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 0x02c9077c6fb442b5e51f468bee00a7d5d412664226c6373c14e313bde3138d72. 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/36fd92d2-3626-4298-8e85-886f26cbd29c.json and https://artists.proofprofile.net/proofs/artist/36fd92d2-3626-4298-8e85-886f26cbd29c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x8712ee23b331e6da8e9dd862fd0d6d051444cfc92c9ecc017167a88f13d07655","isrc":"QZEWT2400020","name":"Eternal Horizons - Tahüm Remix","registered_at":"2026-06-21T04:35:50Z","spotify_id":"2p2gVcIIIURCUkp7dM9cDX","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 0x8712ee23b331e6da8e9dd862fd0d6d051444cfc92c9ecc017167a88f13d07655. 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/2p2gVcIIIURCUkp7dM9cDX.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/2p2gVcIIIURCUkp7dM9cDX.
{"copyright_id":"0x8b9fd8b30a5b4ad5a0ff36702dc7ce71f985d2487f3aaa015b99537389b4ad3c","isrc":"QZEWT2400021","name":"Heart of the Mother - Cyma Remix","registered_at":"2026-06-20T07:48:49Z","spotify_id":"03QLG6NGCG9ygmprFCWv13","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b9fd8b30a5b4ad5a0ff36702dc7ce71f985d2487f3aaa015b99537389b4ad3c. 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/03QLG6NGCG9ygmprFCWv13.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/03QLG6NGCG9ygmprFCWv13.
Path of Illumination - Janax Pacha Remix
{"copyright_id":"0x80d0013c4d61a55c2885be6d335fa935dc88b050542d1c9d7f77d66fb9cfc005","isrc":"QZEWT2400022","name":"Path of Illumination - Janax Pacha Remix","registered_at":"2026-06-19T13:00:04Z","spotify_id":"3Nflp4abZWcKlBFcF14n1m","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80d0013c4d61a55c2885be6d335fa935dc88b050542d1c9d7f77d66fb9cfc005. 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/3Nflp4abZWcKlBFcF14n1m.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/3Nflp4abZWcKlBFcF14n1m.
Eternal Horizons - Temple Step Project Remix
{"copyright_id":"0x52277741ce7b425b22249e8c1b22eec3ca713bb00b48709458a1b534322e7916","isrc":"QZEWT2400023","name":"Eternal Horizons - Temple Step Project Remix","registered_at":"2026-06-08T12:59:37Z","spotify_id":"6lmdu5DIbjIkl2k4eKIW5w","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52277741ce7b425b22249e8c1b22eec3ca713bb00b48709458a1b534322e7916. 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/6lmdu5DIbjIkl2k4eKIW5w.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/6lmdu5DIbjIkl2k4eKIW5w.
Path of Illumination - Iyakuh & Steffen Ki Remix
{"copyright_id":"0xa0dad148ad8f6eb389b63cf2f592719d2281c6f8de0f8f7cd0761cd13b35eb98","isrc":"QZEWT2400024","name":"Path of Illumination - Iyakuh & Steffen Ki Remix","registered_at":"2026-06-20T07:51:58Z","spotify_id":"5kafoPpV71KxlfNXLXKq1q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0dad148ad8f6eb389b63cf2f592719d2281c6f8de0f8f7cd0761cd13b35eb98. 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/5kafoPpV71KxlfNXLXKq1q.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/5kafoPpV71KxlfNXLXKq1q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb49a43465ba646f3489221a86ee0354257b66904d3801fd729e5c4a87326b604. 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/43tc8oJyIPdg0SHSmaMeND.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/43tc8oJyIPdg0SHSmaMeND.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb48284c9df10ad2b8a815aa8ad7ba32879b1a306704064e1894108e163506478. 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/07T0t5a8PX8KVo7fc6N49H.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/07T0t5a8PX8KVo7fc6N49H.
{"copyright_id":"0x2a7927c0ec1d6e514a84989ccc36b6c8de1db19ac6df3126995db25fb11bb6b9","isrc":"QZEWT2400028","name":"Heart of the Mother - Dillard Remix","registered_at":"2026-06-27T06:08:57Z","spotify_id":"0nJItsPLJYeo9ZEAeviiop","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a7927c0ec1d6e514a84989ccc36b6c8de1db19ac6df3126995db25fb11bb6b9. 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/0nJItsPLJYeo9ZEAeviiop.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/0nJItsPLJYeo9ZEAeviiop.
Path of Illumination (Janax Pacha Remix)
{"copyright_id":"0x80d0013c4d61a55c2885be6d335fa935dc88b050542d1c9d7f77d66fb9cfc005","isrc":"QZEWT2400022","name":"Path of Illumination (Janax Pacha Remix)","registered_at":"2026-06-19T13:00:04Z","spotify_id":"5ryvBhrt5s1GlELzEe2gdR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80d0013c4d61a55c2885be6d335fa935dc88b050542d1c9d7f77d66fb9cfc005. 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/5ryvBhrt5s1GlELzEe2gdR.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/5ryvBhrt5s1GlELzEe2gdR.
{"copyright_id":"0xd13beeb516b2b712983256a7c313308537721e1f1df4bd31a5a7aee50cd6caf8","isrc":"QZEWT2200047","name":"The Call of Dawn - Scott Nice Remix","registered_at":"2026-06-22T05:48:15Z","spotify_id":"36Nw5KmrZzMYjipteIzto8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd13beeb516b2b712983256a7c313308537721e1f1df4bd31a5a7aee50cd6caf8. 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/36Nw5KmrZzMYjipteIzto8.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/36Nw5KmrZzMYjipteIzto8.
Ancestors (Poranguí & Shaman's Dream Remix)
{"copyright_id":"0x108b3406896b5fc9e63f56f48770c6912f9f738abfd90dec69e9b2c2befe5c88","isrc":"QMBE21703001","name":"Ancestors (Poranguí & Shaman's Dream Remix)","registered_at":"2026-06-05T16:31:04Z","spotify_id":"1Y6fAwmGqmRgh9lfl1GI1c","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x108b3406896b5fc9e63f56f48770c6912f9f738abfd90dec69e9b2c2befe5c88. 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/1Y6fAwmGqmRgh9lfl1GI1c.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/1Y6fAwmGqmRgh9lfl1GI1c.
{"copyright_id":"0x1305c12456f459c83044330fe7e7f12d4f966f04e868a37dc264ef8b61e48a4e","isrc":"QMBE21703002","name":"Sueños de la Selva (AtYyA Remix)","registered_at":"2026-06-05T06:27:56Z","spotify_id":"4zv9XU8hxNCZDOLQYPemNr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1305c12456f459c83044330fe7e7f12d4f966f04e868a37dc264ef8b61e48a4e. 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/4zv9XU8hxNCZDOLQYPemNr.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/4zv9XU8hxNCZDOLQYPemNr.
{"copyright_id":"0x4ffc4f4e51ea7d460aaa5e925252f9d55d19abbbd6e9b147b30e0f6b05b0a2c6","isrc":"QMBE21703003","name":"Chakaruna (Drumspyder Remix)","registered_at":"2026-06-06T23:28:18Z","spotify_id":"1LcBb1ePezIFCJm2FPFsxo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ffc4f4e51ea7d460aaa5e925252f9d55d19abbbd6e9b147b30e0f6b05b0a2c6. 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/1LcBb1ePezIFCJm2FPFsxo.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/1LcBb1ePezIFCJm2FPFsxo.
{"copyright_id":"0x84d77502c3457decadfc9802546e21fabe4374c74de4f426d9f080da552233f3","isrc":"QMBE21703004","name":"Arcoiris (Momentology Remix)","registered_at":"2026-06-09T07:01:29Z","spotify_id":"2WS08wwRnT2lXvRBrCzKcT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84d77502c3457decadfc9802546e21fabe4374c74de4f426d9f080da552233f3. 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/2WS08wwRnT2lXvRBrCzKcT.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/2WS08wwRnT2lXvRBrCzKcT.
{"copyright_id":"0xd7d8dde0c7d3a8210835db34d67a3231497c7ad9cd96300d373b011cdd9847e4","isrc":"QMBE21703005","name":"Sachamama (Kaminanda Remix)","registered_at":"2026-06-10T16:25:55Z","spotify_id":"0fvVFo6TkhGgbqqSLHXL1J","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7d8dde0c7d3a8210835db34d67a3231497c7ad9cd96300d373b011cdd9847e4. 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/0fvVFo6TkhGgbqqSLHXL1J.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/0fvVFo6TkhGgbqqSLHXL1J.
Ayahuasca (Liquid Bloom & Poranguí Remix)
{"copyright_id":"0x6f51fee508937e69f68b9c66f92834d916aa2ba4647fd5584aeea6bf864be00a","isrc":"QMBE21703006","name":"Ayahuasca (Liquid Bloom & Poranguí Remix)","registered_at":"2026-06-07T13:01:21Z","spotify_id":"24RDfe8xBXdnCOgE1EZ5Uw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f51fee508937e69f68b9c66f92834d916aa2ba4647fd5584aeea6bf864be00a. 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/24RDfe8xBXdnCOgE1EZ5Uw.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/24RDfe8xBXdnCOgE1EZ5Uw.
{"copyright_id":"0x0763fe7ea4c5de6ecc9e1a6fd0012be711f6733ee3c09e9d6bf46318102ebd18","isrc":"QMBE21703007","name":"Sachamama (SOOHAN Remix)","registered_at":"2026-06-10T03:09:12Z","spotify_id":"7uAzWfnY3rTFJEJfgoM4H2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0763fe7ea4c5de6ecc9e1a6fd0012be711f6733ee3c09e9d6bf46318102ebd18. 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/7uAzWfnY3rTFJEJfgoM4H2.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/7uAzWfnY3rTFJEJfgoM4H2.
{"copyright_id":"0xb4c633424b39ece4fe027c05c4e78c9791bfd32626af8503038099ae3b4cd3a1","isrc":"QMBE21703008","name":"Arcoiris (Mose Remix)","registered_at":"2026-06-11T06:08:06Z","spotify_id":"1Fx8pJWvQ3EjfdJgN1mMQX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4c633424b39ece4fe027c05c4e78c9791bfd32626af8503038099ae3b4cd3a1. 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/1Fx8pJWvQ3EjfdJgN1mMQX.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/1Fx8pJWvQ3EjfdJgN1mMQX.
{"copyright_id":"0xdfb1625d795a830c1a5991fd91a2800c5e63fdb478879404aaaca93586835a6b","isrc":"QMBE21703009","name":"Sachamama (Numatik Remix)","registered_at":"2026-06-09T16:49:12Z","spotify_id":"6NdcWrY9aimlof0q3huqaE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfb1625d795a830c1a5991fd91a2800c5e63fdb478879404aaaca93586835a6b. 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/6NdcWrY9aimlof0q3huqaE.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/6NdcWrY9aimlof0q3huqaE.
{"copyright_id":"0xe7621875137ea39976a4003de96e48622ddd1c9536fecb6d84829a98292378e5","isrc":"QMBE21703010","name":"Sueños de la Selva (Yaima Remix)","registered_at":"2026-06-17T03:59:41Z","spotify_id":"4MfXhbwl3eTuPh0xSOiimr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7621875137ea39976a4003de96e48622ddd1c9536fecb6d84829a98292378e5. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:29:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4MfXhbwl3eTuPh0xSOiimr.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/4MfXhbwl3eTuPh0xSOiimr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x868382cd166fb20f60c1ac2155a9b4cfd72007480294169d6bced960c92a2e13. 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/4S2llmZWS6r8zZp7W9J9lS.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/4S2llmZWS6r8zZp7W9J9lS.