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 0xfcc292b22a8a3431d906bcf9a274edcabaf07a6ca15ecdff92ea11a4bdd5cc8d. 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/ba022f9f-eadd-4c50-8252-d407d6efdb46.json and https://artists.proofprofile.net/proofs/artist/ba022f9f-eadd-4c50-8252-d407d6efdb46.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
It's Been A Long Long Time - Single Version
My 2 Arms - You = Tears - Cellarful Of Motown Version
Life Can Be Beautiful When You're In Love
Heaven Must Have Sent You - The Best of the Elgins
SoulBoy - Original Motion Picture Soundtrack
{"copyright_id":"0x369b80083dc5cf08372854fcad548b32a3b244479da390483f6774fb0711f4db","isrc":"USUM70501395","name":"Heaven Must Have Sent You","registered_at":"2026-06-04T13:41:15Z","spotify_id":"1MpSJECFG0zMGSNrdbvmQ4","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 0x369b80083dc5cf08372854fcad548b32a3b244479da390483f6774fb0711f4db. 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/1MpSJECFG0zMGSNrdbvmQ4.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/1MpSJECFG0zMGSNrdbvmQ4.
Hitsville USA - The Motown Singles Collection 1959-1971
{"copyright_id":"0xc709fca5f31cda4d0292bfe9aac1f8a159f7e6db8a7cbd724547ca8e04047d46","isrc":"USMO16500474","name":"Darling Baby","registered_at":"2026-06-04T06:34:57Z","spotify_id":"10u9028SSfRyIKxV4xrzsg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc709fca5f31cda4d0292bfe9aac1f8a159f7e6db8a7cbd724547ca8e04047d46. 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/10u9028SSfRyIKxV4xrzsg.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/10u9028SSfRyIKxV4xrzsg.
Heaven Must Have Sent You - Stereo Promo Version
Out Of Sight: More Sounds From The In Crowd