{
  "signed_by": "sasame-trust-302a300506032b65",
  "signature": "nSHnoejtKeUIqzg4Plut2NbvUkDrvGi8uSVEPC1Ox86W+jMQF3xhjsW6VphCsVR44q2oNjlAaQv/54RZCTkVDw==",
  "canonical_json": "{\"criteria\":[{\"evidence_sha256\":\"0adc8a996d43173502625c358a1e73e7016d632cba0b64a61c1ae870463e2bd3\",\"id\":\"C1\",\"pass\":true},{\"evidence_sha256\":\"2eea7a1dba43dc3342e524712f29336f8250bdf5da3264eb7ff1a41f95bc0141\",\"id\":\"C2\",\"pass\":true},{\"evidence_sha256\":\"d835c5cfbc585f413a38995bb4729fc34e613c9bd911307ce0eb5cb8f8cc1ad1\",\"id\":\"C3\",\"pass\":true},{\"evidence_sha256\":\"fdbef3e6e6ef06084250d92879884333e115a59fe7003d66afe2883b130e2926\",\"id\":\"C4\",\"pass\":true},{\"evidence_sha256\":\"cf368adde6340cee1dc8048e9b0e7ff7619f6606e4bccdbea08862e6b9d2c87a\",\"id\":\"C5\",\"pass\":true},{\"evidence_sha256\":\"11121f8733c7861f9ed2a41d157225b4596c99a9d501ebc4f28020b9a5a83b6b\",\"id\":\"C6\",\"pass\":true},{\"evidence_sha256\":\"258e3df3c6e26882cfb6c9bffc9b2d46ac250eef4582f245c7fa6330e172f8bf\",\"id\":\"C7\",\"pass\":true},{\"evidence_sha256\":\"f60c78303f0a884337334d4debf80c7026f38e9a1f3ec11dcb74cff71c3a9d6c\",\"id\":\"C8\",\"pass\":true},{\"evidence_sha256\":\"f1e7a20e3539644460d33cc622f6f17c1be2635f3c7044423bb2becd7e2c346d\",\"id\":\"C9\",\"pass\":true},{\"evidence_sha256\":\"234a3363c1a9ce4004355641f95bdea6fe590ca464d6fa5ce841efa551463daa\",\"id\":\"C10\",\"pass\":true}],\"delivery\":\"verified: substantive MCP content[] from read-only tool 'gribstream_list_datasets'\",\"expires_at\":\"2026-07-02T18:54:53.909Z\",\"grade\":\"A\",\"honesty_cap\":null,\"issuer\":\"SaSame SRL\",\"issuer_pubkey_spki_hex\":\"302a300506032b6570032100439ce47d384c8ceb07c9040aef780cc3a2ba5a63c14027ad77ab458111f20fb6\",\"level\":\"observed\",\"note\":\"Re-verify offline: ed25519.verify(signature, utf8(canonical_json), issuer_pubkey). Then re-run the audit against subject and recompute each evidence_sha256. No callback to SaSame required.\",\"observed_at\":\"2026-06-18T18:54:53.909Z\",\"observed_by\":\"SaSame\",\"passes\":\"10/10\",\"probe_set_sha256\":\"830248bbdd4f16ebe02572dc3632406db75c9a28ba1fc1af4c9e9a9ff429c4e0\",\"spec_pins\":{\"mcp_spec\":\"2025-11-25\",\"registry_schema\":\"2025-12-11\"},\"standard\":\"agent-tool-discoverability-standard/0.2\",\"statement\":\"SaSame OBSERVED this public endpoint from the outside on the date below and it met the criteria. This is NOT an owner-confirmed claim and NOT an official endorsement — it is a third-party observation anyone can re-run.\",\"subject\":{\"endpoint_sha256\":\"54ac11a59fbdb069700973ba3ba42571532ffc6279ed399c047437923c93be92\",\"server_url\":\"https://gribstream.com/mcp\"},\"unclaimed\":true}"
}