{"domain":"api.quantsynth.net","count":1,"changes":[{"captured_at":"2026-07-06T23:11:58","card_hash":"6f51af9e1e32ac7b5f2e646528cd355f505f56dceb808e6a49ee602e4df4af1e","previous_card_hash":null,"diff":{"skills_added":[{"id":"claim","name":"Claim","description":"Fetch any stamp as a signed claim in in-toto DSSE, A2A, and ERC-8004 form.","tags":null,"inputModes":null,"outputModes":null},{"id":"stamp","name":"Stamp","description":"Commit any data to the Markovian chain; get a tamper-evident provenance receipt.","tags":null,"inputModes":null,"outputModes":null},{"id":"trace","name":"Trace","description":"Walk a stamp's derived_from provenance lineage.","tags":null,"inputModes":null,"outputModes":null},{"id":"verify","name":"Verify","description":"Independently verify a stamp by its merkle_root, no key or account.","tags":null,"inputModes":null,"outputModes":null}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"Markovian Provenance"},{"field":"description","before":null,"after":"Bitcoin-anchored provenance for agent outputs. Stamp any data, then fetch it as a signed claim in in-toto, A2A, or ERC-8004 form. Provenance, not truth."},{"field":"version","before":null,"after":"1.0.0"},{"field":"protocolVersion","before":null,"after":"0.3.0"},{"field":"url","before":null,"after":"https://api.quantsynth.net/mcp/"},{"field":"capabilities","before":null,"after":{"extensions":[{"uri":"https://markovianprotocol.com/ext/provenance/v1","description":"Markovian Bitcoin-anchored provenance service.","params":{"issuer":"did:web:api.quantsynth.net","did":"did:web:api.quantsynth.net","claimEndpoint":"https://api.quantsynth.net/claim/{merkle_root}","verifyEndpoint":"https://api.quantsynth.net/verify/{merkle_root}","credentialEndpoint":"https://api.quantsynth.net/credential","hashes":["sha256","keccak256"],"anchoring":{"stamp":"OpenTimestamps (per-item Bitcoin timestamp)","anchor":"Markovian chain root committed to Bitcoin (protocol OP_RETURN)","note":"stamp and anchor are two distinct Bitcoin functions; a stamp is not the anchor."},"canonicalization":"RFC 8785 (JCS)","dialects":["in-toto DSSE","A2A Agent Card","ERC-8004 evidence"],"assertion":"provenance (timing + integrity), not truth."}}]}},{"field":"provider","before":null,"after":{"organization":"Markovian Protocol","url":"https://markovianprotocol.com"}}],"other_changed":false,"is_empty":false,"human_summary":"added 4 skills · name ∅ → Markovian Provenance · description ∅ → Bitcoin-anchored provenance for agent ou · version ∅ → 1.0.0 · protocolVersion ∅ → 0.3.0 · url ∅ → https://api.quantsynth.net/mcp/ · capabilities ∅ → extensions · provider ∅ → Markovian Protocol"}}]}