{
  "signed_by": "sasame-trust-302a300506032b65",
  "signature": "9KGPVuNiNcqXf+PWxoghsfnR/UKdm5VENffOONOl2wAz7uze/Sy/ekS37d+I8NqRTAeN0ivnPFLhrCv7jH9+Ag==",
  "canonical_json": "{\"criteria\":[{\"evidence_sha256\":\"c128bb097032acd30d1a408f3fd54df521ab7dbd63e60b1b1f85ec4e525a11d0\",\"id\":\"C1\",\"pass\":true},{\"evidence_sha256\":\"b699de03d8cf6b4e362cc50de29feb0aa0b40957e0d7789b102431a36b3067b3\",\"id\":\"C2\",\"pass\":true},{\"evidence_sha256\":\"087f5c3b0b3fdbf8914902631c2adc620740d03fb4bbd0469e4b9f72d8472173\",\"id\":\"C3\",\"pass\":true},{\"evidence_sha256\":\"355d853c7db350024da690d72b87a5502e7da1d4509237c9a2846662321f4391\",\"id\":\"C4\",\"pass\":true},{\"evidence_sha256\":\"6e14b14351d6bf65d305854c642154863167069bb1ce6ad4648700b9fada208b\",\"id\":\"C5\",\"pass\":true},{\"evidence_sha256\":\"7bcf11a5d8fdae8ebf47c7bdc46a7a199c548befa968b817a28d50bac7e9550b\",\"id\":\"C6\",\"pass\":true},{\"evidence_sha256\":\"82d12150ad475d9ed9f9c6ad5011996c950bdb84d7cf2e831a3df511e165a813\",\"id\":\"C7\",\"pass\":true},{\"evidence_sha256\":\"855516d8023371d55c04f50e86b394d5ca40c70ab81c980657fa91ba979e3a06\",\"id\":\"C8\",\"pass\":true},{\"evidence_sha256\":\"160e966d8741a86aebd6d0677eec7eb041848d78bc4c800e9eb445b621d4876f\",\"id\":\"C9\",\"pass\":true},{\"evidence_sha256\":\"234a3363c1a9ce4004355641f95bdea6fe590ca464d6fa5ce841efa551463daa\",\"id\":\"C10\",\"pass\":true}],\"delivery\":\"verified: substantive MCP content[] from read-only tool 'list_tunings'\",\"expires_at\":\"2026-07-02T18:41:58.418Z\",\"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\":\"2026-06-18T18:41:58.418Z\",\"observed_by\":\"SaSame\",\"passes\":\"10/10\",\"probe_set_sha256\":\"22a5da32bb5038252cbc75548afd7fe758abc93d34b5ef481f7406a55b83982c\",\"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\":\"51ba60237e5e6b268aac5c7ecb7d061d95ac12162b0e293c0746f5fe53192932\",\"server_url\":\"https://agent-tune.com/mcp\"},\"unclaimed\":true}"
}