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 0x8d13a97d80b914c3a7ad4d1b4a94efb359de4c0ae6a14678cee78f7586f6490e. 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/1926088f-1f07-485e-8763-733e9810faa5.json and https://artists.proofprofile.net/proofs/artist/1926088f-1f07-485e-8763-733e9810faa5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xc2c2cf49dbb536a1516f49627cf4881632edbd8ad389c75fb2dfece97586c30c","isrc":"ART0G1207386","name":"La nueva ley","registered_at":"2026-06-29T10:31:34Z","spotify_id":"03lSLgowkVS4tQnwPTpc1u","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 0xc2c2cf49dbb536a1516f49627cf4881632edbd8ad389c75fb2dfece97586c30c. 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/03lSLgowkVS4tQnwPTpc1u.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/03lSLgowkVS4tQnwPTpc1u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2c2cf49dbb536a1516f49627cf4881632edbd8ad389c75fb2dfece97586c30c. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6c0zoDwDvJA68LCz4EBwd9.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/6c0zoDwDvJA68LCz4EBwd9.
{"copyright_id":"0x9529245bfccd490ac0ca2b361e9b36718a5c2420afbe70b10ffaf3566326b13a","isrc":"ART0G1207227","name":"El Juego de la Luna","registered_at":"2026-06-29T10:31:09Z","spotify_id":"6uTIaOg60ZzW9rbW6yi5sR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9529245bfccd490ac0ca2b361e9b36718a5c2420afbe70b10ffaf3566326b13a. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6uTIaOg60ZzW9rbW6yi5sR.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/6uTIaOg60ZzW9rbW6yi5sR.
{"copyright_id":"0x9529245bfccd490ac0ca2b361e9b36718a5c2420afbe70b10ffaf3566326b13a","isrc":"ART0G1207227","name":"El Juego de la Luna","registered_at":"2026-06-29T10:31:09Z","spotify_id":"6hitvkUHpIAxPEudZqeLi7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9529245bfccd490ac0ca2b361e9b36718a5c2420afbe70b10ffaf3566326b13a. 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/6hitvkUHpIAxPEudZqeLi7.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/6hitvkUHpIAxPEudZqeLi7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x881c3f112ae4d23e74c8baeef7afdd4884319f4914c00b06b3077df81110421a. 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/3wcEwDA1uqW1OfqYGFLQtS.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/3wcEwDA1uqW1OfqYGFLQtS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x777f6e41ced8063a96fd6b9a650ea17f8ed3b162388a5d8603fafab9f4856f9c. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6jZAa85hGgrtvtq1umyjsg.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/6jZAa85hGgrtvtq1umyjsg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8b422bf8e4bb49b51a5c0c42e0ae99057f094f250b92107163a7c3ef05048de. 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/6IBsEQ2yZGac7U576TFFYG.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/6IBsEQ2yZGac7U576TFFYG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61f6997e0cc1cadf2a8acc426f90f3926ea60169c8a73d9cc7b989bfda8d587e. 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/4qtpiFZnBluAPyziWtBMxx.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/4qtpiFZnBluAPyziWtBMxx.
{"copyright_id":"0xfe88fa02a218a352453b9b6f9d8454dc02bd83b5e64dc01aef830c62115cff3a","isrc":"ART0G1802301","name":"Movimiento Social El Deseo","registered_at":"2026-06-07T21:29:39Z","spotify_id":"472rEjoaAh2bjB6p9mlLVy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe88fa02a218a352453b9b6f9d8454dc02bd83b5e64dc01aef830c62115cff3a. 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/472rEjoaAh2bjB6p9mlLVy.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/472rEjoaAh2bjB6p9mlLVy.
{"copyright_id":"0x436a0d72362d46579cbed8235e508b85962fb3ac22eb9afcaa673b77c86b22b1","isrc":"ART0G1802306","name":"El Marginal - Bonus Track","registered_at":"2026-06-25T10:31:56Z","spotify_id":"6OgY1v3DgT2XzzPREMKU3i","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x436a0d72362d46579cbed8235e508b85962fb3ac22eb9afcaa673b77c86b22b1. 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/6OgY1v3DgT2XzzPREMKU3i.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/6OgY1v3DgT2XzzPREMKU3i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0913915c2b1828b4990412940216e5d946ea8cea52ca12e45ecbbc31a889e09. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/55bd4KmdD0m1o4cmreo5uJ.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/55bd4KmdD0m1o4cmreo5uJ.
{"copyright_id":"0x07ca5c3322a168180cd85d96da0561eaec7eee1fa7c1aa17c14be3c013c801dc","isrc":"ARIXB2200894","name":"Almacén de Datos","registered_at":"2026-06-06T23:52:00Z","spotify_id":"58ZAoRmXWnP5pXKD23Ymi7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07ca5c3322a168180cd85d96da0561eaec7eee1fa7c1aa17c14be3c013c801dc. 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/58ZAoRmXWnP5pXKD23Ymi7.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/58ZAoRmXWnP5pXKD23Ymi7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1340c98a8650415402d074ffef8e4ac11352522020e82d6f79438bf97b20fee5. 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/0T1vs3R6GhApy0FBJnd2Xi.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/0T1vs3R6GhApy0FBJnd2Xi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x323bc4b84055ab2e66e507f38bfa0f595bc239aacfad17b3408cd52cb41002fe. 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/49E37A5Pd17EntEMJxV0cI.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/49E37A5Pd17EntEMJxV0cI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc28f8886dddece08b7b1122548240b3cf5e302f52e4d6e482ad6ce7771b01519. 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/4DmBL39a2fcSyAkZwrYS82.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/4DmBL39a2fcSyAkZwrYS82.
{"copyright_id":"0xad19bfc45891af6f87ed3e6d1e9c9fd3de93af750be2a55e0e2fcbd003e0555e","isrc":"ARIXB2201552","name":"Cheto Mal","registered_at":"2026-06-17T23:44:12Z","spotify_id":"6a9PcNsrUr5kYOKPPCjkTe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad19bfc45891af6f87ed3e6d1e9c9fd3de93af750be2a55e0e2fcbd003e0555e. 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/6a9PcNsrUr5kYOKPPCjkTe.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/6a9PcNsrUr5kYOKPPCjkTe.
{"copyright_id":"0x07ca5c3322a168180cd85d96da0561eaec7eee1fa7c1aa17c14be3c013c801dc","isrc":"ARIXB2200894","name":"Almacén de Datos","registered_at":"2026-06-06T23:52:00Z","spotify_id":"4zAsC9RcHL36oTPVoTO4Vp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07ca5c3322a168180cd85d96da0561eaec7eee1fa7c1aa17c14be3c013c801dc. 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/4zAsC9RcHL36oTPVoTO4Vp.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/4zAsC9RcHL36oTPVoTO4Vp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0913915c2b1828b4990412940216e5d946ea8cea52ca12e45ecbbc31a889e09. 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/0mzigoLzGdfMg5GY3Y0Dm6.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/0mzigoLzGdfMg5GY3Y0Dm6.
{"copyright_id":"0x23bfd4a598ae814e9678e6bf2a18f05eff394efb0d94427a5d7fded939404f6e","isrc":"ARIXB2201553","name":"Que Hablen","registered_at":"2026-06-21T00:49:08Z","spotify_id":"32oD2rIQ9rJhbiaZT7Ud1y","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23bfd4a598ae814e9678e6bf2a18f05eff394efb0d94427a5d7fded939404f6e. 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/32oD2rIQ9rJhbiaZT7Ud1y.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/32oD2rIQ9rJhbiaZT7Ud1y.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51f43c484759a7e737fe31707a93b2d432f15ee110e4e564f18398cf3709e4b4. 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/0AQelEkdoDQnX0rQq1QkTG.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/0AQelEkdoDQnX0rQq1QkTG.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefde3683500f203b45fd722cee578cf104cbc1f4b32cf5b680358d69456d675b. 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/6hyDaDmPSQlpK9POIaQdz3.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/6hyDaDmPSQlpK9POIaQdz3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a3abdf3f7949df3b696e413bfe4973abe3231cb790df7fa27c417a250335e4f. 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/6SdWOOGf5rXzPnFjMDUKsw.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/6SdWOOGf5rXzPnFjMDUKsw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc52abc602f5e3df1cad0c6abad2cf2eee6c876ce964a2cdc1cf2b3540b1f8848. 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/4DwBNhLObGIyBfZ59eStyx.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/4DwBNhLObGIyBfZ59eStyx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbccf226c8e1fad69cd62604d1bf38d9e9c97e0ff05b667437b2962dd366f8834. 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/2vVW2wR01MCpRhOA6IP2fh.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/2vVW2wR01MCpRhOA6IP2fh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4a7667c0544b0a2e779d66490fe5cbb829b165b1d8df2bf20f82580c93e786f. 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/2DQqWaEFYbY2q4b2zy5eag.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/2DQqWaEFYbY2q4b2zy5eag.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8273ef910357453a7ee82a3a1981e3fc5031b655e4bbe495c885c2b357831377. 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/7FIEwiGJgaVH2VrKRUKC7S.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/7FIEwiGJgaVH2VrKRUKC7S.
{"copyright_id":"0xad19bfc45891af6f87ed3e6d1e9c9fd3de93af750be2a55e0e2fcbd003e0555e","isrc":"ARIXB2201552","name":"Cheto Mal","registered_at":"2026-06-17T23:44:12Z","spotify_id":"5eyPaqxj6ftdKrZZQCGk0q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad19bfc45891af6f87ed3e6d1e9c9fd3de93af750be2a55e0e2fcbd003e0555e. Chain 2 (Bitcoin): anchored in block 956426 (2026-07-03T01:37:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5eyPaqxj6ftdKrZZQCGk0q.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/5eyPaqxj6ftdKrZZQCGk0q.
{"copyright_id":"0x07ca5c3322a168180cd85d96da0561eaec7eee1fa7c1aa17c14be3c013c801dc","isrc":"ARIXB2200894","name":"Almacén de Datos","registered_at":"2026-06-06T23:52:00Z","spotify_id":"34bmGAutLPl7PvjNNIsGs1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07ca5c3322a168180cd85d96da0561eaec7eee1fa7c1aa17c14be3c013c801dc. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/34bmGAutLPl7PvjNNIsGs1.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/34bmGAutLPl7PvjNNIsGs1.
{"copyright_id":"0x23bfd4a598ae814e9678e6bf2a18f05eff394efb0d94427a5d7fded939404f6e","isrc":"ARIXB2201553","name":"Que Hablen","registered_at":"2026-06-21T00:49:08Z","spotify_id":"5Ui20fQke1KJoQLHm9Xlr3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23bfd4a598ae814e9678e6bf2a18f05eff394efb0d94427a5d7fded939404f6e. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Ui20fQke1KJoQLHm9Xlr3.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/5Ui20fQke1KJoQLHm9Xlr3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51f43c484759a7e737fe31707a93b2d432f15ee110e4e564f18398cf3709e4b4. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6CfgK8HMLGDAs1fv8TmbpA.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/6CfgK8HMLGDAs1fv8TmbpA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4a7667c0544b0a2e779d66490fe5cbb829b165b1d8df2bf20f82580c93e786f. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4TWAqqDMZAzypzbmzpWBRk.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/4TWAqqDMZAzypzbmzpWBRk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1191f6fc6d552b24524116b8b213747f373772d3154af69f5750367b16fb5a00. 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/7tPZdDirnQ7XgpcO7pIHem.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/7tPZdDirnQ7XgpcO7pIHem.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1191f6fc6d552b24524116b8b213747f373772d3154af69f5750367b16fb5a00. 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/3fqUOakqgfsN8dTsglIZI2.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/3fqUOakqgfsN8dTsglIZI2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1191f6fc6d552b24524116b8b213747f373772d3154af69f5750367b16fb5a00. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5OJffIOlkhhUei6Udh81DH.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/5OJffIOlkhhUei6Udh81DH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeba834020a31e6a3ab208a053aca066044da66419c8153b0e8261d26f5e56fcd. 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/1HiQO80Sj9sy7akImGlQtF.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/1HiQO80Sj9sy7akImGlQtF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d0c3937a437482b6cf1487c25f9e40b4af1feca499e3367997a72ad18388796. 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/6QttXVKiA9OIS2dOA1fHrK.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/6QttXVKiA9OIS2dOA1fHrK.
{"copyright_id":"0x00efb05c2bf459a9100b0acd3cc1acfeac47af4a49aef90a05e3a038a7c05116","isrc":"ARG991043946","name":"El Trucho","registered_at":"2026-06-22T04:56:25Z","spotify_id":"3THuuiiGWE8hze0zpI5Xly","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00efb05c2bf459a9100b0acd3cc1acfeac47af4a49aef90a05e3a038a7c05116. 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/3THuuiiGWE8hze0zpI5Xly.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/3THuuiiGWE8hze0zpI5Xly.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77130de3c87564521fdb3b2154fca44fd466c30724f866893ee248afa4572724. 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/3XbewgEV3pbNuCef9yGVqf.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/3XbewgEV3pbNuCef9yGVqf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ff3992d204c60268a8f44bcbc82b1a5247d13fb6ab572981579e42594f6dddd. 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/61WPqUiqWliDrvNmK7mHbs.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/61WPqUiqWliDrvNmK7mHbs.
{"copyright_id":"0x5ba3938ccae083e3ed0d98a69eb7837057ab9a18838549ee4293a64e2bb7fc6d","isrc":"QM4TW1826027","name":"Los Borbones Son Unos Ladrones","registered_at":"2026-06-05T07:12:56Z","spotify_id":"7BXTCiQvCcfZyFtQ3hXQdh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ba3938ccae083e3ed0d98a69eb7837057ab9a18838549ee4293a64e2bb7fc6d. 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/7BXTCiQvCcfZyFtQ3hXQdh.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/7BXTCiQvCcfZyFtQ3hXQdh.
{"copyright_id":"0x6698dedc8c823006fddab9b4b7e0c3aaf0024fdc05aad00bc34b8b77d38240a0","isrc":"FR10S1673930","name":"Entre Los Dos","registered_at":"2026-06-06T05:20:52Z","spotify_id":"2h1ldahFup45Jdz8pAnpOQ","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6698dedc8c823006fddab9b4b7e0c3aaf0024fdc05aad00bc34b8b77d38240a0. 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/2h1ldahFup45Jdz8pAnpOQ.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/2h1ldahFup45Jdz8pAnpOQ.
{"copyright_id":"0x3ba09595addf98adf3ed6f6fd8c35ed661ef5ba83d9d30c9a63c00453d138d5f","isrc":"ARX2B2100002","name":"Cosas que no pienso controlar","registered_at":"2026-06-24T17:34:48Z","spotify_id":"66kQWs9iNJtbL0PlZ264Qj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ba09595addf98adf3ed6f6fd8c35ed661ef5ba83d9d30c9a63c00453d138d5f. 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/66kQWs9iNJtbL0PlZ264Qj.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/66kQWs9iNJtbL0PlZ264Qj.
{"copyright_id":"0x09e6bac9658522e5a1244e640ed5c1b9ba7cea7c8e8125bb9a4497c46425cdf9","isrc":"AR6B52100071","name":"Trastorno de Personalidad","registered_at":"2026-06-11T16:20:21Z","spotify_id":"4SKn7ZxxqVg0TYgUV6PdAt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09e6bac9658522e5a1244e640ed5c1b9ba7cea7c8e8125bb9a4497c46425cdf9. 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/4SKn7ZxxqVg0TYgUV6PdAt.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/4SKn7ZxxqVg0TYgUV6PdAt.
{"copyright_id":"0x09e6bac9658522e5a1244e640ed5c1b9ba7cea7c8e8125bb9a4497c46425cdf9","isrc":"AR6B52100071","name":"Trastorno de Personalidad","registered_at":"2026-06-11T16:20:21Z","spotify_id":"0GJfrZq7DS46FI133obEnq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09e6bac9658522e5a1244e640ed5c1b9ba7cea7c8e8125bb9a4497c46425cdf9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0GJfrZq7DS46FI133obEnq.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/0GJfrZq7DS46FI133obEnq.
{"copyright_id":"0xe1fd40ab5d4fa1907ef1cb574c5350dfc4d9a0d33b55d2856b0df359049eaeff","isrc":"ARYJX2300003","name":"Hay que Creer en Algo","registered_at":"2026-06-19T14:47:48Z","spotify_id":"6rYcyDesF9ZlScEaeGq9QA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1fd40ab5d4fa1907ef1cb574c5350dfc4d9a0d33b55d2856b0df359049eaeff. 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/6rYcyDesF9ZlScEaeGq9QA.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/6rYcyDesF9ZlScEaeGq9QA.