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 0x43a8f55a663e3bf2753f580f88bd58206d3c1b6cc098b746c498dd9ed41d212e. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/85740c3b-3947-4951-9d90-145f3098b778.json and https://artists.proofprofile.net/proofs/artist/85740c3b-3947-4951-9d90-145f3098b778.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Desperation (From the Motion Picture "Red Hook Summer")
Red Hook Summer (Songs from Original Motion Picture Soundtrack)
What A Girl Wants (The Voice Performance)
What A Girl Wants - The Voice Performance
Always On My Mind (The Voice Performance)
Always On My Mind - The Voice Performance
You've Got A Friend (The Voice Performance)
You've Got A Friend - The Voice Performance
It’s A Man’s Man’s Man’s World (The Voice Performance)
It’s A Man’s Man’s Man’s World - The Voice Performance
The Way You Make Me Feel (The Voice Performance)
The Way You Make Me Feel - The Voice Performance
In the Air Tonight (From "Little Fires Everywhere")
In the Air Tonight - From "Little Fires Everywhere"
{"copyright_id":"0x5f4b6ec03788720a2dfa89fb1dcae787de6b8c74ae44a104cd9150059c73c8eb","isrc":"QM2VX1500001","name":"MILLION $ SHOW","registered_at":"2026-06-19T02:04:15Z","spotify_id":"3Xs8d9U7satgCgOUjfm7UW","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 0x5f4b6ec03788720a2dfa89fb1dcae787de6b8c74ae44a104cd9150059c73c8eb. 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/3Xs8d9U7satgCgOUjfm7UW.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/3Xs8d9U7satgCgOUjfm7UW.
{"copyright_id":"0xb5272e7d1dadb5175b0c3cc1b6fa581271bb5cbcc551fe2a4fa5f6ac3c80e06a","isrc":"USWB11702300","name":"When I Fall in Love (feat. Judith Hill)","registered_at":"2026-06-24T08:08:26Z","spotify_id":"2Yku5mp23HHFcft9MR03KH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5272e7d1dadb5175b0c3cc1b6fa581271bb5cbcc551fe2a4fa5f6ac3c80e06a. 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/2Yku5mp23HHFcft9MR03KH.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/2Yku5mp23HHFcft9MR03KH.
You Are so Beautiful (feat. Judith Hill)
{"copyright_id":"0xcedec0871aa364c546b28f5699b8a85bdf180d6ea64f9446cf6bc72d08cc13d5","isrc":"USWB11702302","name":"You Are so Beautiful (feat. Judith Hill)","registered_at":"2026-06-11T04:08:34Z","spotify_id":"1nQbCbHfEc9TuhLSKCR8no","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcedec0871aa364c546b28f5699b8a85bdf180d6ea64f9446cf6bc72d08cc13d5. 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/1nQbCbHfEc9TuhLSKCR8no.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/1nQbCbHfEc9TuhLSKCR8no.
{"copyright_id":"0x0548ba18c09e9d828dc806b0048fa84713dedab25b956c98e1881f8cf6e585f7","isrc":"USC4R1100587","name":"I'll Take Romance (feat. Judith Hill)","registered_at":"2026-06-19T17:44:16Z","spotify_id":"0VDHqkNuK6QZ8KOxuGaXVe","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0548ba18c09e9d828dc806b0048fa84713dedab25b956c98e1881f8cf6e585f7. 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/0VDHqkNuK6QZ8KOxuGaXVe.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/0VDHqkNuK6QZ8KOxuGaXVe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b7a8e41372a1dd6e98d72a2e096b212c191eb711b64c3408f1948da111d4ea7. 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/5CnYANVCwx6HrqDIrTLM6J.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/5CnYANVCwx6HrqDIrTLM6J.
{"copyright_id":"0xeb6cb90a0cdf566a313a7ebc70673f8f4503e44dd69c6fe05ca69df0edbd0eb3","isrc":"QZGWX2006713","name":"Walk This Way","registered_at":"2026-06-09T06:17:52Z","spotify_id":"76uKC9WO7EiM59zPHh1R6t","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb6cb90a0cdf566a313a7ebc70673f8f4503e44dd69c6fe05ca69df0edbd0eb3. 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/76uKC9WO7EiM59zPHh1R6t.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/76uKC9WO7EiM59zPHh1R6t.
{"copyright_id":"0xeb6cb90a0cdf566a313a7ebc70673f8f4503e44dd69c6fe05ca69df0edbd0eb3","isrc":"QZGWX2006713","name":"Walk This Way","registered_at":"2026-06-09T06:17:52Z","spotify_id":"0UbigyCrqGy43a2qV00Dlo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb6cb90a0cdf566a313a7ebc70673f8f4503e44dd69c6fe05ca69df0edbd0eb3. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0UbigyCrqGy43a2qV00Dlo.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/0UbigyCrqGy43a2qV00Dlo.
The Music of Ray Charles: Live in Los Angeles, Complete Collection
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe71aaeb303ff72735ad6395ba511b6c867894d099e2467ab7bb12181877477af. 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/14okfXp6OZoktQeMRZaIc2.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/14okfXp6OZoktQeMRZaIc2.
{"copyright_id":"0xfb2744307e8d71d439e5696febf6fcb111710488c9f237958fda6999fbd0f212","isrc":"QM2PV1872950","name":"You Shook Me All Night Long","registered_at":"2026-06-06T09:55:20Z","spotify_id":"5PPkKLQ7bB4i1py90XnhkA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb2744307e8d71d439e5696febf6fcb111710488c9f237958fda6999fbd0f212. 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/5PPkKLQ7bB4i1py90XnhkA.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/5PPkKLQ7bB4i1py90XnhkA.
{"copyright_id":"0x4065145ea8d9023314e1ff2a2bf3ee6d421b625318ca0a6efc664d71f5458ac8","isrc":"QZGWX2229834","name":"We Can Work it Out","registered_at":"2026-06-29T01:02:39Z","spotify_id":"1PwUT1RyVnVpVQm2WVzul2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4065145ea8d9023314e1ff2a2bf3ee6d421b625318ca0a6efc664d71f5458ac8. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1PwUT1RyVnVpVQm2WVzul2.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/1PwUT1RyVnVpVQm2WVzul2.
Happy Feet Two (Original Motion Picture Soundtrack)
{"copyright_id":"0x7f8647c91a027f0b91476f44c625620b7f28ff04a603e1bd4957ee24a74cff35","isrc":"USNLR1100718","name":"Lovelace Preshow (feat. Judith Hill)","registered_at":"2026-06-21T05:19:25Z","spotify_id":"0ZfA5f9oIexy4YrFkel9tU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f8647c91a027f0b91476f44c625620b7f28ff04a603e1bd4957ee24a74cff35. 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/0ZfA5f9oIexy4YrFkel9tU.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/0ZfA5f9oIexy4YrFkel9tU.
Happy Feet Two (Music from The Motion Picture) [Deluxe Edition]
{"copyright_id":"0x7f8647c91a027f0b91476f44c625620b7f28ff04a603e1bd4957ee24a74cff35","isrc":"USNLR1100718","name":"Lovelace Preshow (feat. Judith Hill)","registered_at":"2026-06-21T05:19:25Z","spotify_id":"3JNJXfbrV93AI8otKdfqDd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f8647c91a027f0b91476f44c625620b7f28ff04a603e1bd4957ee24a74cff35. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3JNJXfbrV93AI8otKdfqDd.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/3JNJXfbrV93AI8otKdfqDd.
Unity: The Latin Tribute to Michael Jackson (Live Concert Special)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x644ea1367630091d8969945f4ab50cfab160d0c253ba073d3f6134ace4fa06f7. 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/7FR3A5HsCF8yZuQD534P4i.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/7FR3A5HsCF8yZuQD534P4i.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x733bcaf85547a4232797e2de79e05c283243c8cf2fca4635e969b84ed5ccad20. 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/1zli67UD7idwyX5A0p7fcw.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/1zli67UD7idwyX5A0p7fcw.
Give Your Love to Someone Else (with Eric Gales) - Live at Crypto.com Arena, Los Angeles, CA, 9/23/2023
{"copyright_id":"0x8a7a76903797e31e6866800001b6ba8fcb088b2b42bd41d4ab64f774780be0ed","isrc":"USRH12402582","name":"Give Your Love to Someone Else (with Eric Gales) - Live at Crypto.com Arena, Los Angeles, CA, 9/23/2023","registered_at":"2026-06-17T21:22:44Z","spotify_id":"5HUWJFQvAAIVjbRokl2M1W","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a7a76903797e31e6866800001b6ba8fcb088b2b42bd41d4ab64f774780be0ed. 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/5HUWJFQvAAIVjbRokl2M1W.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/5HUWJFQvAAIVjbRokl2M1W.
How Could We Know (with Judith Hill) - Live at Crypto.com Arena, Los Angeles, CA, 9/24/2023