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 0xae895246ef9f144904890ba68429e744615b2fc8685c43cc76582e732281db49. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2dd72eae-1244-4423-92a1-b5e1133b03d3.json and https://artists.proofprofile.net/proofs/artist/2dd72eae-1244-4423-92a1-b5e1133b03d3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x3474b6946ab43afaa49cd8da51703d1f04ead1d9d46ac66fee8c7805fb5e632f","isrc":"QZ2J21513914","name":"Sí y Amén - Live","registered_at":"2026-06-04T08:05:46Z","spotify_id":"3tVfyOcfHoO68RRRKwz9t4","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 0x3474b6946ab43afaa49cd8da51703d1f04ead1d9d46ac66fee8c7805fb5e632f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3tVfyOcfHoO68RRRKwz9t4.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/3tVfyOcfHoO68RRRKwz9t4.
{"copyright_id":"0x50621da0a06e284ac9f94b458c75122be5092b9aad794001ee54b0445ec746bc","isrc":"QZAYX1700072","name":"Incontrolable Amor","registered_at":"2026-06-04T16:41:56Z","spotify_id":"6gC1f3S8JdxFHcOTlz1sLC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50621da0a06e284ac9f94b458c75122be5092b9aad794001ee54b0445ec746bc. 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/6gC1f3S8JdxFHcOTlz1sLC.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/6gC1f3S8JdxFHcOTlz1sLC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60f8247c92d342da569e05c073380276028112056efcded72193dfa9be9219dc. 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/6c4jNSDWZ0zIlbShrBuVQN.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/6c4jNSDWZ0zIlbShrBuVQN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe77730be7bc88b001475e1f2bf4051a623f5b2f40ad8387518c07c3a8ee72441. 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/1QtFI51G4DdY9HsDtn2GI8.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/1QtFI51G4DdY9HsDtn2GI8.
{"copyright_id":"0x362d9c9bbe28f99141b90f20621709e10b5232cbdd617e491a6a195bc60accfc","isrc":"USWFE2391122","name":"Nothing Else (Spontaneous) [Live]","registered_at":"2026-06-04T08:55:07Z","spotify_id":"0Kt7R8V7dWWQTQXvTI0xTL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x362d9c9bbe28f99141b90f20621709e10b5232cbdd617e491a6a195bc60accfc. 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/0Kt7R8V7dWWQTQXvTI0xTL.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/0Kt7R8V7dWWQTQXvTI0xTL.
{"copyright_id":"0xf1272b9801becc97758374c3daaab88c83abdfaf06fd6253c2a6408b4c1f4eb4","isrc":"USWFE2190964","name":"It Is Well","registered_at":"2026-06-04T14:02:23Z","spotify_id":"4arIUdVieHCh6RVbBqCkkv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1272b9801becc97758374c3daaab88c83abdfaf06fd6253c2a6408b4c1f4eb4. 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/4arIUdVieHCh6RVbBqCkkv.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/4arIUdVieHCh6RVbBqCkkv.
{"copyright_id":"0x3ac51f11b424538c6f6d1ff4c51079486c8dc8cb2ccb99ab98aab1dbebbf40e7","isrc":"USWFE2190918","name":"Regreso A Casa","registered_at":"2026-06-08T12:30:17Z","spotify_id":"5x6IMgNU8IdxTXOQFTE1ZI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ac51f11b424538c6f6d1ff4c51079486c8dc8cb2ccb99ab98aab1dbebbf40e7. 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/5x6IMgNU8IdxTXOQFTE1ZI.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/5x6IMgNU8IdxTXOQFTE1ZI.
{"copyright_id":"0xd9c114236f659c8c17dd84dbb0b180a97bbb8c136a2716e7c9c75ed939d9b6cf","isrc":"USWFE2190923","name":"Cómo No Voy A Creer","registered_at":"2026-06-04T09:01:19Z","spotify_id":"1RxTsEdn5cQWdsz8fJrPmC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9c114236f659c8c17dd84dbb0b180a97bbb8c136a2716e7c9c75ed939d9b6cf. 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/1RxTsEdn5cQWdsz8fJrPmC.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/1RxTsEdn5cQWdsz8fJrPmC.
{"copyright_id":"0xf0c1f99e3efbd256b918dffcf0dbea1f7ba541032b17930979ed42b397f482e8","isrc":"USWFE2190924","name":"Razones Para Adorar","registered_at":"2026-06-08T03:31:09Z","spotify_id":"4XxhedK0VNIWAJQjZORTZB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0c1f99e3efbd256b918dffcf0dbea1f7ba541032b17930979ed42b397f482e8. 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/4XxhedK0VNIWAJQjZORTZB.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/4XxhedK0VNIWAJQjZORTZB.
{"copyright_id":"0x72c2512cd2e5794b6f8dddafd723ca3aa0a8609bfb85682fbc86b4f2f9f71f6e","isrc":"USWFE2190929","name":"Él Es Señor (Espontáneo)","registered_at":"2026-06-20T06:36:40Z","spotify_id":"0vw8e9hH4VptT6dl6nCUxV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72c2512cd2e5794b6f8dddafd723ca3aa0a8609bfb85682fbc86b4f2f9f71f6e. 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/0vw8e9hH4VptT6dl6nCUxV.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/0vw8e9hH4VptT6dl6nCUxV.
{"copyright_id":"0x5a2d0f2df69c9abe49d810031d4b3edb94395e92d558b5595282c3482eb87f8b","isrc":"USWFE2190933","name":"La Túnica Y El Anillo (Bienvenido)","registered_at":"2026-06-19T11:46:50Z","spotify_id":"0QNwZyZOlB0LfNGk7rZlRN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a2d0f2df69c9abe49d810031d4b3edb94395e92d558b5595282c3482eb87f8b. 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/0QNwZyZOlB0LfNGk7rZlRN.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/0QNwZyZOlB0LfNGk7rZlRN.
Hermoso Dios (feat. Edward Rivera & Karen Espinosa)
{"copyright_id":"0x98cbf55a6d0c67fdf4a5971f8cec1c8e6b220e2556ed947c4d870f336a28e5a1","isrc":"QZDA62187749","name":"Hermoso Dios (feat. Edward Rivera & Karen Espinosa)","registered_at":"2026-06-05T06:41:28Z","spotify_id":"5T8RCxoDc9QAjtwiMYEt5Y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98cbf55a6d0c67fdf4a5971f8cec1c8e6b220e2556ed947c4d870f336a28e5a1. 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/5T8RCxoDc9QAjtwiMYEt5Y.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/5T8RCxoDc9QAjtwiMYEt5Y.
Padre de Luz (feat. Edward Rivera & Alexis Ruiz)
{"copyright_id":"0x618e49fc3f14f1e7e1fc6f890fff7986fb2e9d23cd4ab9a4c853b8a6bd429709","isrc":"QZDA62187748","name":"Padre de Luz (feat. Edward Rivera & Alexis Ruiz)","registered_at":"2026-06-06T11:02:13Z","spotify_id":"7ilnLVIIUQ0lIkNX8hA8mJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x618e49fc3f14f1e7e1fc6f890fff7986fb2e9d23cd4ab9a4c853b8a6bd429709. 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/7ilnLVIIUQ0lIkNX8hA8mJ.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/7ilnLVIIUQ0lIkNX8hA8mJ.
Toma Tu Lugar (feat. Edward Rivera & Aaron Moses)
{"copyright_id":"0x1fcac1a62d92aad6392a160f520b48460a3a441d24a114fc08b7f04372ae3faf","isrc":"QZDA62187747","name":"Toma Tu Lugar (feat. Edward Rivera & Aaron Moses)","registered_at":"2026-06-06T17:27:25Z","spotify_id":"4V5TvGORaJYoYqNKL0wQmX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fcac1a62d92aad6392a160f520b48460a3a441d24a114fc08b7f04372ae3faf. 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/4V5TvGORaJYoYqNKL0wQmX.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/4V5TvGORaJYoYqNKL0wQmX.
Emmanuel (feat. Edward Rivera, Johnny Peña & Karen Espinosa)
{"copyright_id":"0x40e10917ed07facbce5c7fdcf084afc0b7fe89c5b0f16b211686b894ee432373","isrc":"QMFME2148516","name":"Emmanuel (feat. Edward Rivera, Johnny Peña & Karen Espinosa)","registered_at":"2026-06-07T07:15:43Z","spotify_id":"3EmpjYeZ4tapPz1geKTybU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40e10917ed07facbce5c7fdcf084afc0b7fe89c5b0f16b211686b894ee432373. 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/3EmpjYeZ4tapPz1geKTybU.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/3EmpjYeZ4tapPz1geKTybU.