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 0x29a00d5be59a4076c9480ab9d0de2bab5712215ec2b3d5ac2f997e046028de77. 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/468b6733-9222-48d5-9908-6640f21a1ba5.json and https://artists.proofprofile.net/proofs/artist/468b6733-9222-48d5-9908-6640f21a1ba5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hollywoodland (Original Motion Picture Score)
The Good Shepherd (Original Motion Picture Soundtrack)
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 0x78d2276a8fbbbd158099f28553d10fba4b9d5021555129b74693818eab402e75. 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/4q1ZdfNAC0gOAQSOj65ux0.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/4q1ZdfNAC0gOAQSOj65ux0.
H.M.S. Pinafore: Act 1: Hail! Men O'War's Men... I'm Called Little Buttercup (Edit)
What Just Happened ? (Original Motion Picture Soundtrack)
16 One Upon a Time in the West _ Man with the Harmonica
Sin Nombre (Original Motion Picture Score)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f8cfe77f6c2383c877455be145db083d8994034043343afc5474f9af00701a9. 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/7fYzWQump73LL3rfa5RBrQ.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/7fYzWQump73LL3rfa5RBrQ.
{"copyright_id":"0x58ebe3d0c650c83a26c29b15317eba2b10e76e566792141a66e2d550ada30bf8","isrc":"US3M50994721","name":"I Want You To Have This - Reprise","registered_at":"2026-06-18T18:55:54Z","spotify_id":"1YvwshZMmEzGZBNi4Oyte9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58ebe3d0c650c83a26c29b15317eba2b10e76e566792141a66e2d550ada30bf8. 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/1YvwshZMmEzGZBNi4Oyte9.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/1YvwshZMmEzGZBNi4Oyte9.
{"copyright_id":"0xfcd7e5411973213e51f77d819bdcf7ef522621a6cdbb9daafbebf4f7c8623b59","isrc":"USVG20802035","name":"Comes And Goes (In Waves)","registered_at":"2026-06-04T09:04:43Z","spotify_id":"2quT99GW7R3wyBffAcA4oR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcd7e5411973213e51f77d819bdcf7ef522621a6cdbb9daafbebf4f7c8623b59. 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/2quT99GW7R3wyBffAcA4oR.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/2quT99GW7R3wyBffAcA4oR.
Please Give (Original Motion Picture Score)
Brooklyn's Finest (Original Motion Picture Soundtrack)
Remember Me (Original Motion Picture Score)
Too Big To Fail (Music From The HBO Film)
The Beaver Original Motion Picture Score
The Bay (Original Motion Picture Soundtrack)
The Words (Original Motion Picture Soundtrack)
Won't Back Down (Original Motion Picture Soundtrack)
Reaching for the Moon (Original Motion Picture Soundtrack)
Enough Said (Original Motion Picture Score)
Face Of Love (Original Motion Picture Soundtrack)
The Face of Love (Original Motion Picture Soundtrack)
American Ultra (Original Motion Picture Soundtrack)
The Affair (Music From The Showtime Original Series)
Our Kind of Traitor (Original Motion Picture Soundtrack)
Cell (Original Motion Picture Soundtrack)
The Affair: Season 2 (Music From The Showtime Original Series)
Z: The Beginning Of Everything (Music From The Amazon Original)
Wonder (Original Motion Picture Soundtrack)
The Best of Enemies (Original Motion Picture Soundtrack)
Breakthrough (Original Motion Picture Score)
What's My Name: Muhammad Ali (Original Motion Picture Soundtrack)
Dark Waters (Original Motion Picture Soundtrack)
A Journal for Jordan (Original Motion Picture Soundtrack)
Emancipation (Soundtrack from the Apple Original Film)
Big George Foreman: The Miraculous Story of the Once and Future Heavyweight Champion of the World (Original Motion Picture Soundtrack)
White Men Can't Jump (Original Soundtrack)
Arrival At the Factory - Started At the Very Bottom
The Equalizer 3 (Original Motion Picture Soundtrack)
Cassandro (Amazon Original Motion Picture Soundtrack)
May December (Soundtrack from the Netflix Film)
The Front Room (Original Motion Picture Soundtrack)
The Diplomat: Season 2 (Soundtrack from the Netflix Series)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78f78001552669aa41e0fa4b4e243ed63537a3506b64e3c03383dbe3d4534eb7. 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/7CxhNayfpOW4NfqHPMpIGA.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/7CxhNayfpOW4NfqHPMpIGA.
Good American Family (Original Soundtrack)
Nonnas (Soundtrack from the Netflix Film)
The Diplomat: Season 3 (Soundtrack from the Netflix Series)
For the Birds: The Birdsong Project, Vol. III