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 0xff7d586cf4f6cd46941586e20220af0252e5e059d679fa99f2312e0ff85fd236. 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/5b80e179-eb94-4896-8889-bfe71b3aa9e5.json and https://artists.proofprofile.net/proofs/artist/5b80e179-eb94-4896-8889-bfe71b3aa9e5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Have Yourself A Merry Little Christmas / Silent Night
Fighting For Me - Ruslan & Julie Odnoralov Remix
Over And Over - RUSLAN & Julie Lov Remix
Never Been A Winter So Cold: The Collection
Spring Was Around the Corner: The Collection
{"copyright_id":"0x21b5b8c448a7cf43184222af3870695b5a051d74c8c61bba65dc84487a183558","isrc":"USUM72204181","name":"Irreplaceable - Piano Vocal Version","registered_at":"2026-06-29T08:06:05Z","spotify_id":"2RiMrGUIDaONKp1SOB0Esx","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 0x21b5b8c448a7cf43184222af3870695b5a051d74c8c61bba65dc84487a183558. 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/2RiMrGUIDaONKp1SOB0Esx.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/2RiMrGUIDaONKp1SOB0Esx.
When This Life Cuts Deep: The Collection
When The Wounds Have All Healed: The Collection
{"copyright_id":"0xdbd0194fbe700310d536ef066a2ce8d1f5c5bbe3b481b1512a1412a39678c67d","isrc":"USUM72108462","name":"Without You - Abe Parker Remix","registered_at":"2026-06-09T05:07:44Z","spotify_id":"0HoGM5pwIyQir9uy4Kearl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbd0194fbe700310d536ef066a2ce8d1f5c5bbe3b481b1512a1412a39678c67d. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0HoGM5pwIyQir9uy4Kearl.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/0HoGM5pwIyQir9uy4Kearl.
Christian Rap and R&B (That's Actually Good)
{"copyright_id":"0x56f59bbd4f1190dc26eaa49f4814d524676c24dcf648beb07075eb50c98c3be7","isrc":"USUG11700397","name":"Misfit Anthem - Radio Version","registered_at":"2026-06-07T18:07:20Z","spotify_id":"1o8K7dUbsjIT5OMdvPMliV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56f59bbd4f1190dc26eaa49f4814d524676c24dcf648beb07075eb50c98c3be7. 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/1o8K7dUbsjIT5OMdvPMliV.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/1o8K7dUbsjIT5OMdvPMliV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c3797a452d0b1809cb9296409e960d148236daad38b7abcc0b5087033013117. 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/5gdiTtT4acVSQb092WK7BH.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/5gdiTtT4acVSQb092WK7BH.
{"copyright_id":"0x7dbba3f617248cc52493f17071036cfba5863bba5c9f965d9019cbe3f662a057","isrc":"USUG11601607","name":"Misfit Anthem","registered_at":"2026-06-09T17:59:26Z","spotify_id":"3ZPTMJyhXtMB9lFYXLrwfV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dbba3f617248cc52493f17071036cfba5863bba5c9f965d9019cbe3f662a057. 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/3ZPTMJyhXtMB9lFYXLrwfV.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/3ZPTMJyhXtMB9lFYXLrwfV.
{"copyright_id":"0xdbd0194fbe700310d536ef066a2ce8d1f5c5bbe3b481b1512a1412a39678c67d","isrc":"USUM72108462","name":"Without You - Abe Parker Remix","registered_at":"2026-06-09T05:07:44Z","spotify_id":"0tM1GylEAL8KN0GdGzNJNH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbd0194fbe700310d536ef066a2ce8d1f5c5bbe3b481b1512a1412a39678c67d. 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/0tM1GylEAL8KN0GdGzNJNH.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/0tM1GylEAL8KN0GdGzNJNH.
{"copyright_id":"0xdbd0194fbe700310d536ef066a2ce8d1f5c5bbe3b481b1512a1412a39678c67d","isrc":"USUM72108462","name":"Without You - Abe Parker Remix","registered_at":"2026-06-09T05:07:44Z","spotify_id":"4zSnb8fvewyGGV1U4R9Dx0","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbd0194fbe700310d536ef066a2ce8d1f5c5bbe3b481b1512a1412a39678c67d. 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/4zSnb8fvewyGGV1U4R9Dx0.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/4zSnb8fvewyGGV1U4R9Dx0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c3797a452d0b1809cb9296409e960d148236daad38b7abcc0b5087033013117. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5p5fRidbmhKgEPHqKs0ZxQ.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/5p5fRidbmhKgEPHqKs0ZxQ.
{"copyright_id":"0x56f59bbd4f1190dc26eaa49f4814d524676c24dcf648beb07075eb50c98c3be7","isrc":"USUG11700397","name":"Misfit Anthem - Radio Version","registered_at":"2026-06-07T18:07:20Z","spotify_id":"4ANQRqqLODCRRdozBvsm5S","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56f59bbd4f1190dc26eaa49f4814d524676c24dcf648beb07075eb50c98c3be7. 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/4ANQRqqLODCRRdozBvsm5S.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/4ANQRqqLODCRRdozBvsm5S.