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 0x094c0b4fd05e8ffdf45f18d080d7479f96f3dcaf35282237e80078b7bfd5a8ba. 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/5c421797-56f5-4ee8-bc29-5a2481ec8a80.json and https://artists.proofprofile.net/proofs/artist/5c421797-56f5-4ee8-bc29-5a2481ec8a80.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Summer Isles (Reimagined by Philip Daniel)
The Summer Isles - Reimagined by Philip Daniel
{"copyright_id":"0x035bccf961003bdc4805ccc74b9ad7d2134e3ebe8a36eab44dab94d53ec12a0b","isrc":"FRX452333799","name":"The Summer Isles - Reimagined by Philip Daniel","registered_at":"2026-06-10T16:23:39Z","spotify_id":"4ZCsDCLCwC01JGVLi9bs8w","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 0x035bccf961003bdc4805ccc74b9ad7d2134e3ebe8a36eab44dab94d53ec12a0b. 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/4ZCsDCLCwC01JGVLi9bs8w.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/4ZCsDCLCwC01JGVLi9bs8w.
When Meadows Move Like Oceans (solo piano)
Song of Myself : A Chamber Cantata for 3 Baritones and Keyboards
Unfolding the Unknown (original ballet score)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed5a424ac0aa5c46ef70156a2fc55ac707e2093c3496066d578e5fb7f2cb86e5. 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/72pYXek1bpJhHEtV4iAZY8.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/72pYXek1bpJhHEtV4iAZY8.
{"copyright_id":"0x035bccf961003bdc4805ccc74b9ad7d2134e3ebe8a36eab44dab94d53ec12a0b","isrc":"FRX452333799","name":"The Summer Isles - Reimagined by Philip Daniel","registered_at":"2026-06-10T16:23:39Z","spotify_id":"7fZ6ZjqOo0yDPWGar0bNaj","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x035bccf961003bdc4805ccc74b9ad7d2134e3ebe8a36eab44dab94d53ec12a0b. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7fZ6ZjqOo0yDPWGar0bNaj.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/7fZ6ZjqOo0yDPWGar0bNaj.
{"copyright_id":"0x9c4b84ec8b447cd55b8d6ebe9b3f0c84bcfde3b6b84cb91f10465eb2f1c114e2","isrc":"FRX202207195","name":"I Just Love You (Reimagined for Piano)","registered_at":"2026-06-10T02:48:22Z","spotify_id":"35sddvWKYpfdCnbQ3F7zi9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c4b84ec8b447cd55b8d6ebe9b3f0c84bcfde3b6b84cb91f10465eb2f1c114e2. 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/35sddvWKYpfdCnbQ3F7zi9.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/35sddvWKYpfdCnbQ3F7zi9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83580f63c965a58918eb4d8d69420b249588376c492cd52385183b6897e0ff64. 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/5Cvl04shLZ3K8Px6vAzkKk.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/5Cvl04shLZ3K8Px6vAzkKk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83580f63c965a58918eb4d8d69420b249588376c492cd52385183b6897e0ff64. 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/0NRJQn7P89YOHSIgq11WWp.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/0NRJQn7P89YOHSIgq11WWp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4d160bc5d7d8d42314ad6d848eb0eb24c615a50a248785ca3a101b9875262a2. 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/7fIyzIV9JXEBTaBUWFtvtO.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/7fIyzIV9JXEBTaBUWFtvtO.
{"copyright_id":"0x035bccf961003bdc4805ccc74b9ad7d2134e3ebe8a36eab44dab94d53ec12a0b","isrc":"FRX452333799","name":"The Summer Isles - Reimagined by Philip Daniel","registered_at":"2026-06-10T16:23:39Z","spotify_id":"53Ucmri4ZPkYt88truyefw","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x035bccf961003bdc4805ccc74b9ad7d2134e3ebe8a36eab44dab94d53ec12a0b. 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/53Ucmri4ZPkYt88truyefw.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/53Ucmri4ZPkYt88truyefw.