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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x626f14d7b6cb2d379b2d3cb858a0137ce32a126b46fd8fcabc7403dfb79fe188. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fb4b4097-cc0d-47b9-bbdd-28caad5866b7.json and https://artists.proofprofile.net/proofs/artist/fb4b4097-cc0d-47b9-bbdd-28caad5866b7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Música Relajante Para La Noche: El Viaje De La Canción De Cuna Para Dormir Al Bebé
Sueños Suaves: Melodías Para Dormir Del Bebé
Guardería Oceánica: Melodías Alegres Para Bebés
Oscuridad De Terciopelo: Quietud Para Dormir Bebés
Canción De Cuna Nocturna: Ritmos Relajantes Para El Tiempo De Sueño Del Bebé
Renovación De La Primavera: Melodías Para El Sueño Del Bebé
Calma Bajo Las Estrellas: Armonías Para Dormir Al Bebé
Cuidado Nocturno: Oasis De Canciones De Cuna Del Bebé
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8679d1c2c1a13b96c446395cfecf11b432dad8fbf02dc6a5181abd56705f7988. 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/QZTRX2409860.
Sueño De La Noche Estrellada Melodía Serena
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc176980f75c95b240f69260828cb1dc40c00133445d3838dbd2707eb99ccee3c. 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/QZTRX2409867.
Murmullo De La Brisa Nocturna Descanso Del Bebé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c10f65ad5e09f58e46399683670e711d32f88f5f2b9e2f8eac29ddc7a7ed231. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/QZTRX2409874.
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 0x40242c52f9c43b30f4bc948cefb160cd3ff6af4cef0305df885b7ee506d521fe. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/QZTRX2409882.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58c31b2eaf78641b510eb710c8194abe3d3536c9f1642cf4e7e4a6dbf25d9a44. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/QZTRX2409889.
Estrellitas Durmiendo: Música Relajante Para Dormir Al Bebé
Música Para Dormir De Bebés: Quietud Y Calma