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 0xbb8b439ce6fd4ae2cea669d3d841353686c85ccf3ba8eb19f92d187649a32067. 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/87138808-1611-43da-8de5-080005720814.json and https://artists.proofprofile.net/proofs/artist/87138808-1611-43da-8de5-080005720814.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x32c0bc7da1113da95dc9fe5bf51b778b618360fbb98e51e2c72f88a75535f05d","isrc":"UYM122400113","name":"No Te Vayas - Balada Remix","registered_at":"2026-06-04T13:18:40Z","spotify_id":"5VF7ZMcWjiVne6bCbJ44TH","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 0x32c0bc7da1113da95dc9fe5bf51b778b618360fbb98e51e2c72f88a75535f05d. 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/5VF7ZMcWjiVne6bCbJ44TH.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/5VF7ZMcWjiVne6bCbJ44TH.
{"copyright_id":"0x7a26819add58e625b8be829b68ce7472f5065550de454185f542ba9c324f91ba","isrc":"BRLR62000003","name":"Resistiré - Un Abrazo Latinoamericano","registered_at":"2026-06-07T13:06:36Z","spotify_id":"00o8dXNRNF6HAi0qqeyfJZ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a26819add58e625b8be829b68ce7472f5065550de454185f542ba9c324f91ba. 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/00o8dXNRNF6HAi0qqeyfJZ.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/00o8dXNRNF6HAi0qqeyfJZ.
{"copyright_id":"0x9f8a1a0a2f1b1f37af2c6bcade9db94802d3727f78750f5f35d3306eacfa18c5","isrc":"USSD12000134","name":"Lo Que en Ti Veo","registered_at":"2026-06-01T21:50:33Z","spotify_id":"2cLOSF54zDP52z6ma8mivK","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f8a1a0a2f1b1f37af2c6bcade9db94802d3727f78750f5f35d3306eacfa18c5. 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/2cLOSF54zDP52z6ma8mivK.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/2cLOSF54zDP52z6ma8mivK.
Universo Paralelo (Vivo en Buenos Aires) (feat. Nahuel Pennisi)
Corazón Guerrero / Universo Paralelo (Vivo en Buenos Aires)
{"copyright_id":"0xaaae8e200456d6f3374be9b33167d9823814242d7981acde8eec8620c3a243d5","isrc":"CLPP22300108","name":"Universo Paralelo (Vivo en Buenos Aires) (feat. Nahuel Pennisi)","registered_at":"2026-06-07T06:42:45Z","spotify_id":"3MwjYriKWx26vP1upGreeJ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaae8e200456d6f3374be9b33167d9823814242d7981acde8eec8620c3a243d5. 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/3MwjYriKWx26vP1upGreeJ.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/3MwjYriKWx26vP1upGreeJ.
{"copyright_id":"0x05cdb0abf9ec547c348dda1b4eaae063b498f675f79528e3cc74e91ff40d4dbb","isrc":"ARF102200230","name":"La Noche","registered_at":"2026-06-04T10:22:17Z","spotify_id":"1WyoLJHC6VJKX9DeLUEaTr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05cdb0abf9ec547c348dda1b4eaae063b498f675f79528e3cc74e91ff40d4dbb. 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/1WyoLJHC6VJKX9DeLUEaTr.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/1WyoLJHC6VJKX9DeLUEaTr.
{"copyright_id":"0x8caabb3dcdba3a592495ac8b6758ed3dd045befd4948c7f462c37dfe4dd3d7cf","isrc":"ARF102300111","name":"Mercedes Florecida","registered_at":"2026-06-05T12:31:34Z","spotify_id":"2t3gWLQHM4ef0aOREBvcNA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8caabb3dcdba3a592495ac8b6758ed3dd045befd4948c7f462c37dfe4dd3d7cf. 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/2t3gWLQHM4ef0aOREBvcNA.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/2t3gWLQHM4ef0aOREBvcNA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7700f17e8026e3e724659a96a835443c1fe7d499c2cadacc7e63279bf043c51e. 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/51Q1X0elmzjYQ9WJHVP3eB.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/51Q1X0elmzjYQ9WJHVP3eB.
{"copyright_id":"0x7f3b53f73c2923266a2f6caae390dc7e1d89b5523f037b3c912ac7bc6efeb145","isrc":"ARF392121015","name":"Himno de Mi Corazón - Puente","registered_at":"2026-06-07T07:11:38Z","spotify_id":"63UyilcGdgzxaVCT188W3R","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f3b53f73c2923266a2f6caae390dc7e1d89b5523f037b3c912ac7bc6efeb145. 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/63UyilcGdgzxaVCT188W3R.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/63UyilcGdgzxaVCT188W3R.
Volver A Vivir (feat. Pedro Aznar & Nahuel Pennisi)
{"copyright_id":"0x5172250c5b865ad6817f922b4ecccd2398dc6eb3d50c889b6de936bca5088a5a","isrc":"ARG602100011","name":"Volver A Vivir (feat. Pedro Aznar & Nahuel Pennisi)","registered_at":"2026-06-23T09:18:42Z","spotify_id":"3ISBOI9g34gXfrpxBQFRSt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5172250c5b865ad6817f922b4ecccd2398dc6eb3d50c889b6de936bca5088a5a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3ISBOI9g34gXfrpxBQFRSt.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/3ISBOI9g34gXfrpxBQFRSt.
Pluhar: Orfeo Chamán, Act 1: "O eterno" (Orfeo)
{"copyright_id":"0x48d6e6b41dcac5be0f4ff0484deaac55faf45357884b0e98ba56ea6273ae645e","isrc":"GBPFW1600002","name":"Pluhar: Orfeo Chamán, Act 1: \"O eterno\" (Orfeo)","registered_at":"2026-06-18T17:19:11Z","spotify_id":"0M4ITQv5GcGppf1TkctNEe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48d6e6b41dcac5be0f4ff0484deaac55faf45357884b0e98ba56ea6273ae645e. 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/0M4ITQv5GcGppf1TkctNEe.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/0M4ITQv5GcGppf1TkctNEe.
Aznar / Arr Pennisi: Orfeo Chamán, Act 2: Romance de la luna tucumana (Eurídice, Orfeo)
{"copyright_id":"0xe8ccf1177f5021bc2d3ea9932026494ce53060a8130e9ce8d9020e02931bb315","isrc":"GBPFW1600005","name":"Aznar / Arr Pennisi: Orfeo Chamán, Act 2: Romance de la luna tucumana (Eurídice, Orfeo)","registered_at":"2026-06-22T20:04:34Z","spotify_id":"78GG6pIwRwGPrKJATXuHlH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8ccf1177f5021bc2d3ea9932026494ce53060a8130e9ce8d9020e02931bb315. 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/78GG6pIwRwGPrKJATXuHlH.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/78GG6pIwRwGPrKJATXuHlH.
Pluhar: Orfeo Chamán, Act 2: "Cubrámonos con cenizas" (Orfeo, Nahual, Aristeo)
{"copyright_id":"0x849b9b00b365a3b287532c995122524cb13dfdc140f7b234d14154007abce8eb","isrc":"GBPFW1600009","name":"Pluhar: Orfeo Chamán, Act 2: \"Cubrámonos con cenizas\" (Orfeo, Nahual, Aristeo)","registered_at":"2026-06-10T18:33:10Z","spotify_id":"25uNG5bWEaeyuoXqmyCDL9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x849b9b00b365a3b287532c995122524cb13dfdc140f7b234d14154007abce8eb. 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/25uNG5bWEaeyuoXqmyCDL9.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/25uNG5bWEaeyuoXqmyCDL9.
Pluhar: Orfeo Chamán, Act 4: "Esta barca" (Nahual, Orfeo)
{"copyright_id":"0x650e13ace73d5276094d0b6735b32a66670028a54fa2b732c429aaf204351003","isrc":"GBPFW1600012","name":"Pluhar: Orfeo Chamán, Act 4: \"Esta barca\" (Nahual, Orfeo)","registered_at":"2026-06-27T08:14:54Z","spotify_id":"1RSUMUdAQCi0pKm0isjoGz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x650e13ace73d5276094d0b6735b32a66670028a54fa2b732c429aaf204351003. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1RSUMUdAQCi0pKm0isjoGz.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/1RSUMUdAQCi0pKm0isjoGz.
Pluhar: Orfeo Chamán, Act 4: "Si me escuchara" (Orfeo)
{"copyright_id":"0x71a6bc8190146bd4a6ae50d71d4976897e91e5553001b286328e7ab220a7e930","isrc":"GBPFW1600013","name":"Pluhar: Orfeo Chamán, Act 4: \"Si me escuchara\" (Orfeo)","registered_at":"2026-06-25T22:42:52Z","spotify_id":"5K08zPQTsjxbBGHrjwR1Qp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71a6bc8190146bd4a6ae50d71d4976897e91e5553001b286328e7ab220a7e930. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5K08zPQTsjxbBGHrjwR1Qp.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/5K08zPQTsjxbBGHrjwR1Qp.
Pluhar: Orfeo Chamán, Act 4: "Sigue bbiendo" (Nahual, Orfeo)
{"copyright_id":"0xf843ffbce5d321b3aa06671d223e214bc636ed80b7958b87ea383cf36d1b2db7","isrc":"GBPFW1600014","name":"Pluhar: Orfeo Chamán, Act 4: \"Sigue bbiendo\" (Nahual, Orfeo)","registered_at":"2026-06-24T14:55:17Z","spotify_id":"7yrUqkN8xPb7VfFG9sq7vu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf843ffbce5d321b3aa06671d223e214bc636ed80b7958b87ea383cf36d1b2db7. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7yrUqkN8xPb7VfFG9sq7vu.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/7yrUqkN8xPb7VfFG9sq7vu.
Traditional / Arr Pluhar: Orfeo Chamán, Act 4: Aparición de Eurídice (Nahual, Eurídice, Orfeo)
{"copyright_id":"0x85365182170c2d15ee77b3c98e9a4bbf9ad5e436f6224d4379fa7b484f80e6fd","isrc":"GBPFW1600015","name":"Traditional / Arr Pluhar: Orfeo Chamán, Act 4: Aparición de Eurídice (Nahual, Eurídice, Orfeo)","registered_at":"2026-06-24T14:56:11Z","spotify_id":"2Vcaajp0HPfjRBeHVBmyZv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85365182170c2d15ee77b3c98e9a4bbf9ad5e436f6224d4379fa7b484f80e6fd. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Vcaajp0HPfjRBeHVBmyZv.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/2Vcaajp0HPfjRBeHVBmyZv.
Díaz / Arr Pluhar: Orfeo Chamán, Act 4: Lamento de Orfeo (Orfeo)
Pluhar: Orfeo Chamán, Act 5: La cabeza de Orfeo (Orfeo, Aristeo)
{"copyright_id":"0x939b59675161d903dadbcdf7cfcf0e507fda68a2a3307b4dae48391c5da66519","isrc":"GBPFW1600018","name":"Pluhar: Orfeo Chamán, Act 5: La cabeza de Orfeo (Orfeo, Aristeo)","registered_at":"2026-06-18T17:17:43Z","spotify_id":"1V0zuM2ITHzhPw5tKGh5Ce","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x939b59675161d903dadbcdf7cfcf0e507fda68a2a3307b4dae48391c5da66519. 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/1V0zuM2ITHzhPw5tKGh5Ce.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/1V0zuM2ITHzhPw5tKGh5Ce.