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 0xdea6524a5ef69c19872151bd697e338bdd1a8de04360c7b68961dce29280777b. 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/bd19f5d1-8d8d-43db-b8d7-27c5760ccad4.json and https://artists.proofprofile.net/proofs/artist/bd19f5d1-8d8d-43db-b8d7-27c5760ccad4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Como Suena El Redo (Lalomix) Bonus Track
ESCUCHA / Zapada EN VIVO en UN POCO DE RUIDO
{"copyright_id":"0xc4cb9fc3b4dce33bef56418c330c6de3e65b3fbb025aba9c753ad1f9191f7a1d","isrc":"AR5UH2401706","name":"Triste Palomita","registered_at":"2026-06-05T11:47:52Z","spotify_id":"2jLFbIFRbsbH5pPSjMNK3m","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 0xc4cb9fc3b4dce33bef56418c330c6de3e65b3fbb025aba9c753ad1f9191f7a1d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2jLFbIFRbsbH5pPSjMNK3m.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/2jLFbIFRbsbH5pPSjMNK3m.
{"copyright_id":"0xa2d390713b8afc3f808e89174007dbd5dea1a857b667567cce1d421e57a1f379","isrc":"AR5UH2401707","name":"Será que nunca le sucedió","registered_at":"2026-06-06T02:35:49Z","spotify_id":"6ETbjAtoMUEjjXloHokwEf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa2d390713b8afc3f808e89174007dbd5dea1a857b667567cce1d421e57a1f379. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ETbjAtoMUEjjXloHokwEf.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/6ETbjAtoMUEjjXloHokwEf.
{"copyright_id":"0x26bdd467ec14c9d8630b9ba40340b5beaed34b99419cc7fa00662c586d401318","isrc":"AR5UH2401708","name":"Quiero una chica","registered_at":"2026-06-05T20:58:59Z","spotify_id":"3UpVTEBTVm9rwMkpu6pINV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26bdd467ec14c9d8630b9ba40340b5beaed34b99419cc7fa00662c586d401318. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3UpVTEBTVm9rwMkpu6pINV.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/3UpVTEBTVm9rwMkpu6pINV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaebdde1c752de92133145f497bb712a9a12092653478a4907c7145b31e32693. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/32fw2fhHbeAN1YgjeLcJ3b.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/32fw2fhHbeAN1YgjeLcJ3b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cc209b2bf47f6018b28d59d83d57665676d486e3689d105281aa38aa8fce76f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4o1r8brO58MqWGmPqldJXr.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/4o1r8brO58MqWGmPqldJXr.
{"copyright_id":"0xff1fbd2abea2a704c6d764588631689d3be43321c702b3afb1ae55d990246a88","isrc":"AR5UH2401711","name":"Ya no soy el mismo","registered_at":"2026-06-07T18:49:22Z","spotify_id":"7tlYtA2jC2KMujIBdYkHJE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff1fbd2abea2a704c6d764588631689d3be43321c702b3afb1ae55d990246a88. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7tlYtA2jC2KMujIBdYkHJE.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/7tlYtA2jC2KMujIBdYkHJE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedc1c5a47d63a22058588bed459e0ef69d166fae619ff18a5bb955792fa2da6b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0UllRo0Dulu5sLCBObrHxH.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/0UllRo0Dulu5sLCBObrHxH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd836742430a36a84f62459b832b0bb81cdf9f58d7783949889c7b503d911745c. 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/5PCcv5wMasBMVSlcAj13v0.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/5PCcv5wMasBMVSlcAj13v0.
{"copyright_id":"0x910d8d3e315487c4b2b9b4f49b670f4c1c218b791ca64a3a32d0b617a914b607","isrc":"AR5UH2401714","name":"En este mundo no sería feliz","registered_at":"2026-06-08T01:59:10Z","spotify_id":"4lk8JWmEkaPs4Yrzee9bHj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x910d8d3e315487c4b2b9b4f49b670f4c1c218b791ca64a3a32d0b617a914b607. 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/4lk8JWmEkaPs4Yrzee9bHj.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/4lk8JWmEkaPs4Yrzee9bHj.
{"copyright_id":"0x67ca80589787cf63c6295c13aa88db679a9f8eda6fb1ef0d13c150bee9a2eac9","isrc":"AR5UH2401715","name":"Gracias Mamá","registered_at":"2026-06-08T18:36:27Z","spotify_id":"78JuCJm3YgIMLSKQWd9VtH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67ca80589787cf63c6295c13aa88db679a9f8eda6fb1ef0d13c150bee9a2eac9. 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/78JuCJm3YgIMLSKQWd9VtH.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/78JuCJm3YgIMLSKQWd9VtH.
{"copyright_id":"0x8ec765c26ff7fcce0c959b449a8de8980c7be5b326afa7ebe26c3016336187a4","isrc":"AR5UH2401716","name":"Tu cola redonda","registered_at":"2026-06-09T06:22:04Z","spotify_id":"0W3SHyGjsB8NPoope5fknl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ec765c26ff7fcce0c959b449a8de8980c7be5b326afa7ebe26c3016336187a4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0W3SHyGjsB8NPoope5fknl.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/0W3SHyGjsB8NPoope5fknl.
{"copyright_id":"0xa17903bf3007ec64f7e1b036ef877dbbba5b34f7600083c8157471a73a10ae61","isrc":"AR5UH2401717","name":"Armónica - Sigue bailando","registered_at":"2026-06-08T18:35:09Z","spotify_id":"3vXSyoHu7JW9vPuFNLYxqP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa17903bf3007ec64f7e1b036ef877dbbba5b34f7600083c8157471a73a10ae61. 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/3vXSyoHu7JW9vPuFNLYxqP.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/3vXSyoHu7JW9vPuFNLYxqP.