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lean-transparency-log/latest-sth.json

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Genesis publication: 8 leaves, 4 attested libraries, dogfood-signed head The public face of the Lean Transparency Log: every leaf (including the first run's honest audit-failure attestations), the full STH history (witness channel), per-component receipts, the provider public key, and a standalone stdlib-only verify.py. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-06 14:02:23 +00:00
{
"hash_algorithm": "RFC9162_SHA256",
"log_id": "205e4c389cb143e08f0d2d58bdc8e425e47e3cbe7f2108cc58bbe835d2cc41d7",
log update: leaf 12 - attestation of ltl-accumulator-verified@172a1d0 (mechanized-model scope; KNOWN-GAPS 14/15) The log now carries kernel-checked proofs of its own accumulator machinery. Entry 13 attests the ltl-accumulator-verified corpus at freeze 172a1d0: 61 certificates, all proven with exact axiom cones, single opaque-SHA-256 axiom boundary. Scope (in the leaf): the mechanized recursive model is kernel-checked; deployed-verifier correspondence is finite differential testing; the deployed consistency verifier is not extensionally equal to the model and relies on an unmechanized authentic-size/root invariant (gaps 14/15). tree 12 -> 13, root 3488a2d0; head signed verified-dalek-serial. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-16 18:07:49 +00:00
"root_hash": "3488a2d0ff9f00415bb561d61b01a420e3ca2e0f7b29351ec9ebb3f57319da0d",
Genesis publication: 8 leaves, 4 attested libraries, dogfood-signed head The public face of the Lean Transparency Log: every leaf (including the first run's honest audit-failure attestations), the full STH history (witness channel), per-component receipts, the provider public key, and a standalone stdlib-only verify.py. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-06 14:02:23 +00:00
"schema_version": 1,
"signatures": {
"ed25519": {
log update: leaf 12 - attestation of ltl-accumulator-verified@172a1d0 (mechanized-model scope; KNOWN-GAPS 14/15) The log now carries kernel-checked proofs of its own accumulator machinery. Entry 13 attests the ltl-accumulator-verified corpus at freeze 172a1d0: 61 certificates, all proven with exact axiom cones, single opaque-SHA-256 axiom boundary. Scope (in the leaf): the mechanized recursive model is kernel-checked; deployed-verifier correspondence is finite differential testing; the deployed consistency verifier is not extensionally equal to the model and relies on an unmechanized authentic-size/root invariant (gaps 14/15). tree 12 -> 13, root 3488a2d0; head signed verified-dalek-serial. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-16 18:07:49 +00:00
"payload_digest_sha256": "bd7d61897fd48a9113efa9935c25b6dc9e4ddd078de3561bd710442219bb03d4",
Genesis publication: 8 leaves, 4 attested libraries, dogfood-signed head The public face of the Lean Transparency Log: every leaf (including the first run's honest audit-failure attestations), the full STH history (witness channel), per-component receipts, the provider public key, and a standalone stdlib-only verify.py. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-06 14:02:23 +00:00
"public_key_fingerprint_sha256": "874c8a008a607021528b2493fa1caf059f9d5c123d29193dfabc09a6d1e7a56a",
"scheme": "openssl-ed25519",
log update: leaf 12 - attestation of ltl-accumulator-verified@172a1d0 (mechanized-model scope; KNOWN-GAPS 14/15) The log now carries kernel-checked proofs of its own accumulator machinery. Entry 13 attests the ltl-accumulator-verified corpus at freeze 172a1d0: 61 certificates, all proven with exact axiom cones, single opaque-SHA-256 axiom boundary. Scope (in the leaf): the mechanized recursive model is kernel-checked; deployed-verifier correspondence is finite differential testing; the deployed consistency verifier is not extensionally equal to the model and relies on an unmechanized authentic-size/root invariant (gaps 14/15). tree 12 -> 13, root 3488a2d0; head signed verified-dalek-serial. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-16 18:07:49 +00:00
"signature_base64": "3NM25ZQblJCjp4sjdL3O7wkn5lDYXAZYIsA+jolZqiqAlYf928vOz/3GLQ2d8Oop1tfjAw5SiMTgcVjDEUlxAQ==",
Genesis publication: 8 leaves, 4 attested libraries, dogfood-signed head The public face of the Lean Transparency Log: every leaf (including the first run's honest audit-failure attestations), the full STH history (witness channel), per-component receipts, the provider public key, and a standalone stdlib-only verify.py. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-06 14:02:23 +00:00
"signing_backend": "verified-dalek-serial",
"signing_provenance": {
"self_inclusion": "verified",
"signing_backend": "verified-dalek-serial",
"signing_library_certificates_proven": "16/16",
"signing_library_component": "dalek-ed25519-verified",
log update: leaves 8-11 - re-attestation of all four forks at rewritten repository histories (16/16 boundary-exact each; tree 8 -> 12)
2026-07-07 19:12:41 +00:00
"signing_library_leaf_index": 8,
Genesis publication: 8 leaves, 4 attested libraries, dogfood-signed head The public face of the Lean Transparency Log: every leaf (including the first run's honest audit-failure attestations), the full STH history (witness channel), per-component receipts, the provider public key, and a standalone stdlib-only verify.py. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-06 14:02:23 +00:00
"signing_library_source_commit": "aa0f6abc327ba2a54a534b21608ca8996cf73682"
},
"status": "signed"
},
"ml_dsa": {
"reason": "A backend appears available, but no ML-DSA signing key was configured for this log.",
"scheme": "ML-DSA-65",
"standard": "FIPS 204",
"status": "not_configured"
}
},
log update: leaf 12 - attestation of ltl-accumulator-verified@172a1d0 (mechanized-model scope; KNOWN-GAPS 14/15) The log now carries kernel-checked proofs of its own accumulator machinery. Entry 13 attests the ltl-accumulator-verified corpus at freeze 172a1d0: 61 certificates, all proven with exact axiom cones, single opaque-SHA-256 axiom boundary. Scope (in the leaf): the mechanized recursive model is kernel-checked; deployed-verifier correspondence is finite differential testing; the deployed consistency verifier is not extensionally equal to the model and relies on an unmechanized authentic-size/root invariant (gaps 14/15). tree 12 -> 13, root 3488a2d0; head signed verified-dalek-serial. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-16 18:07:49 +00:00
"timestamp": "2026-07-16T17:55:20Z",
"tree_size": 13,
Genesis publication: 8 leaves, 4 attested libraries, dogfood-signed head The public face of the Lean Transparency Log: every leaf (including the first run's honest audit-failure attestations), the full STH history (witness channel), per-component receipts, the provider public key, and a standalone stdlib-only verify.py. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-07-06 14:02:23 +00:00
"type": "pacta.transparency.signed_tree_head.v1"
}
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