1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d506255f9c6f43ad5a8619cdff937d3a9f997cd83e5e62d3ad26f50de30e78a. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8ba92bcb-a03a-48e9-9ccc-6d55ae775f2f.json and https://artists.proofprofile.net/proofs/artist/8ba92bcb-a03a-48e9-9ccc-6d55ae775f2f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x934d9bbd7ceebdae8131b3f5fe9390fbbdae9d5f6d232f22a6d3449ab67350ea. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB72455892.
Solo quiero verte sonriente (Techengue Edit)
Los iluminados de San Fernando 2 (El corso de la familia)
Los iluminados de San Fernando (El corso de la familia)
Talento y humildad (El corso de la familia)
Los Tigres de Crisol (El corso de la familia)
Los Fantoches de San Isidro (El corso de la familia)
Comparsa Yeimara (El corso de la familia)
Los Guerreros del compas Toma 1 (El corso de la familia)
Los Guerreros del compas Toma 2 (El corso de la familia)
Centro cultural Locos por el ritmo (El corso de la familia)
Los Apasionados de Manuel Alberti (El corso de la familia)