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 0x7a0c8606d5fddba51cd09c8df343297a2b2d3b9e69b329c30696022af0a4c419. 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/b781657e-e9ac-4561-8b4f-f045cd649d1a.json and https://artists.proofprofile.net/proofs/artist/b781657e-e9ac-4561-8b4f-f045cd649d1a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x2ea51595acacff08a2d218e5dd0fc216e7a5dbde45647b904f1a6dad8abb197d","isrc":"ITAD82100011","name":"Tell Me One More Time","registered_at":"2026-06-18T03:18:20Z","spotify_id":"4HKxak7ZgBNjJYVEa43J5P","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 0x2ea51595acacff08a2d218e5dd0fc216e7a5dbde45647b904f1a6dad8abb197d. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4HKxak7ZgBNjJYVEa43J5P.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/4HKxak7ZgBNjJYVEa43J5P.
Deep House Lounge, Vol. 2 (Chill Out Mix)
{"copyright_id":"0x45b168859440f9558cfc89d02deb63bc03d33c8b806e1c9cdec95c679830c87e","isrc":"ITAD81800106","name":"Look Me in the Eyes","registered_at":"2026-06-08T01:13:44Z","spotify_id":"3p7psY9TbyVxzhfeHo7thf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45b168859440f9558cfc89d02deb63bc03d33c8b806e1c9cdec95c679830c87e. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3p7psY9TbyVxzhfeHo7thf.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/3p7psY9TbyVxzhfeHo7thf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45b168859440f9558cfc89d02deb63bc03d33c8b806e1c9cdec95c679830c87e. 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/1ECuml7OCDS3W8qwCBT4w9.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/1ECuml7OCDS3W8qwCBT4w9.
House Relax, Vol. 6 (Deep and Chill Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45b168859440f9558cfc89d02deb63bc03d33c8b806e1c9cdec95c679830c87e. 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/0GgWGz05Hx2l9QzMuCXDPT.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/0GgWGz05Hx2l9QzMuCXDPT.
House Relax, Vol. 2 (Deep and Chill Session)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc20c9a4286a5bbc808bfe7b197884e5bfd1e09256909b9e6d812db1350a6a863. 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/3a6rd8DTAymqLTeNRPGarK.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/3a6rd8DTAymqLTeNRPGarK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f71d8a634b28267216383209010440585afaa707b2d6a1c85095b5c8439c430. 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/6GytM1pT6pF3lWVtA5xWUs.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/6GytM1pT6pF3lWVtA5xWUs.
Deep House Vibes, Vol. 5 (Chillout Session)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x152982a6874ebebb6aa56be316a59cb6e2095978cc4b791918d55ec0780aa637. 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/0CuWCx8JrJA3MJ8DMfa1XS.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/0CuWCx8JrJA3MJ8DMfa1XS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc20c9a4286a5bbc808bfe7b197884e5bfd1e09256909b9e6d812db1350a6a863. 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/4XEzjvjf6yFux3vRTIZiWr.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/4XEzjvjf6yFux3vRTIZiWr.
Feeling Deep, Vol. 3 (Best of Vocal Deep House - Chillout Set)
Feeling Deep, Vol. 2 (Best of Vocal Deep House - Chillout Set)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f71d8a634b28267216383209010440585afaa707b2d6a1c85095b5c8439c430. 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/03pfY2IiN0MBk4zDXVojw8.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/03pfY2IiN0MBk4zDXVojw8.
Winter Vibes (Relaxed Laidback Beats Finest Collection)
House Relax, Vol. 10 (Sunset Deep Session)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f71d8a634b28267216383209010440585afaa707b2d6a1c85095b5c8439c430. 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/6z5uVp4v71sxQaJOY0Eutj.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/6z5uVp4v71sxQaJOY0Eutj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f71d8a634b28267216383209010440585afaa707b2d6a1c85095b5c8439c430. 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/2Fb2Pr9cy8cGZrRLRxPOrN.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/2Fb2Pr9cy8cGZrRLRxPOrN.
Deep House Club, Vol. 2 (Chill Out Session)