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 0xe87eaff273b5e6de418e643e3f00527035000043591492357b779438a3832f86. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8dccb22d-1e52-43e8-9632-dfde21e8887a.json and https://artists.proofprofile.net/proofs/artist/8dccb22d-1e52-43e8-9632-dfde21e8887a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x53e4d6f86afaaadf462c237088670a18d0de20341291deed165619c226ef525b","isrc":"UYM120900333","name":"Que Tiene la Noche","registered_at":"2026-06-29T06:23:59Z","spotify_id":"2SqETEPHrJBGIha8QqC1Um","type":"track"}
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53e4d6f86afaaadf462c237088670a18d0de20341291deed165619c226ef525b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2SqETEPHrJBGIha8QqC1Um.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SqETEPHrJBGIha8QqC1Um.
Hablale y Dile (Habla Con Ella) - En Vivo
La Fiesta / Felicítame / Llegó Van Van - En Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bbec0d1f1c722cf1379d03857e88bfd297897ed551e496943edca6d68b82ee7. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/53zH4POzUai6ZGV1vw2xm9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/53zH4POzUai6ZGV1vw2xm9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0cf8778af6d8d77eec9aa94bf12233393758b61e18001bf09e74a5895a61ae6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5gB3xPqVR4m24E5sjrmmtR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5gB3xPqVR4m24E5sjrmmtR.
Qué Tiene la Noche (Montevideo Music Sessions)
Qué Tiene la Noche - Montevideo Music Sessions
Háblale y Dile (Montevideo Music Sessions)
Háblale y Dile - Montevideo Music Sessions
Vida Parrandera - Montevideo Music Sessions
Llamada Urbana - Montevideo Music Sessions
Que Tiene la Noche (En Vivo En El Antel Arena)
Que Tiene la Noche - En Vivo en el Antel Area
Para Que un Día Vuelvas (En Vivo En El Antel Arena)
Para Que un Día Vuelvas - En Vivo en el Antel Arena
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf501774565ff8ae1acb43d16299312849e3069369f70c3d4a41fb072e99e3990. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2qrlCezQmUNKTL7nCpEfhP.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qrlCezQmUNKTL7nCpEfhP.
{"copyright_id":"0xf1ccfa5120b1218fa38d0372d6bdaf8122fae7f73d075370ed88e989df5d772e","isrc":"ARG991025591","name":"Me Busca y Me Llama","registered_at":"2026-06-20T22:23:11Z","spotify_id":"0QeKxSYme5dIfbESPiGudr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1ccfa5120b1218fa38d0372d6bdaf8122fae7f73d075370ed88e989df5d772e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0QeKxSYme5dIfbESPiGudr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0QeKxSYme5dIfbESPiGudr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0cf8778af6d8d77eec9aa94bf12233393758b61e18001bf09e74a5895a61ae6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3U33QRwEd3IQbkBAoMQLE4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3U33QRwEd3IQbkBAoMQLE4.
{"copyright_id":"0xf1ccfa5120b1218fa38d0372d6bdaf8122fae7f73d075370ed88e989df5d772e","isrc":"ARG991025591","name":"Me Busca y Me Llama","registered_at":"2026-06-20T22:23:11Z","spotify_id":"0X6ewoJX5bsMxaVp4ic0pf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1ccfa5120b1218fa38d0372d6bdaf8122fae7f73d075370ed88e989df5d772e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0X6ewoJX5bsMxaVp4ic0pf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0X6ewoJX5bsMxaVp4ic0pf.
{"copyright_id":"0x540b97da27c13d0f99845ed6950dbb94a45db60ff510a386296b667f5e8ceccc","isrc":"UYM121701504","name":"Eres Mi Obsesión -","registered_at":"2026-06-21T21:28:42Z","spotify_id":"7cV0JHmP8FaipkvqnVMuaY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x540b97da27c13d0f99845ed6950dbb94a45db60ff510a386296b667f5e8ceccc. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7cV0JHmP8FaipkvqnVMuaY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7cV0JHmP8FaipkvqnVMuaY.
He Nevers Wants To See You (Once Agains)