1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c322678fae1d36e5fd11547086c291ac62ef7b3501c891a5e8ee1421a43d64e. Chain 2 (Bitcoin): anchored in block 954553 (2026-06-20T11:51:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ad0a5c9e-a294-47ab-b285-b736117d539a.json and https://artists.proofprofile.net/proofs/artist/ad0a5c9e-a294-47ab-b285-b736117d539a.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 → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ccf14869b98a3d712fc6478becaa5787afaeaddcd056a4cf4f6a5a811181823. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/UKXN22365248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53d7a71cbdc16c01c126d860a8da08eef41b14d22e34de987a8f084e4b4ce320. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/UKXN22365249.
Nicolás Guerschberg Trío (Jazz Online Club Sessions)
La base está - Jazz Online Club Sessions
Después de la lluvia - Jazz Online Club Sessions
No soy un extraño - Jazz Online Club Sessions
Danza Criolla N1 - Jazz Online Club Sessions
Song for mi father - Jazz Online Club Sessions
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37bee94bde6ad30ce6408dae609d18e04f9c205d113ee91f1905be34c07a68fc. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/ARHXW1902313.