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 0x54826b84dfce916ce759277d6d18c24fa9a828ab540cfd36bcb655abf8186714. Chain 2 (Bitcoin): anchored in block 953932 (2026-06-16T11:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1f9fa71b-40b9-4f1e-b955-3256c9de8513.json and https://artists.proofprofile.net/proofs/artist/1f9fa71b-40b9-4f1e-b955-3256c9de8513.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Òscar Briz Al Teatre Principal De València. Retrospectiva
Explore And Fall Into The Arms Of Love (Live)
Al Barnasants (Totes les cançons del món)
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 0xb15345055331665ffc4c9a5ec4cca35ddc97f7f5fa2b6a958a8f927022289a1e. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/ES61B1300136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd54ff507e6beaba3481de0c6305baf8fd66eed574f96b28fe6fb649d7d99a0b0. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/ES61B1000052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ae53d5c3563d1fe8dd91a7e0debada955e1ca8c8f963d03073b21a1cbdf2a22. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ES5061000611.
Amb Música Ho Escoltaries Potser Millor (Del Centenari de Salvador Espriu)
Marcel Casellas I La Principal De La Nit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x926359fbe64380030c998f3c079cc09edda75d5388988645ae8aba074dd5b7a1. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ES5061303417.
Amb Música Ho Escoltaries Potser Millor - Bonus Track
Assaig de Càntic en el Temple - Segona Versió
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x487e9a979373ef0f62a2ff241d0b795767a5da54179e0f4151035d7e0f85b18e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/ES6102000887.
Una Vida Es Demasiado Poco... Homenaje a Doctor Divago