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 0x1d584a483a128161339dc16b3eebccebe9dde9311a19a6f5fb0b1b1d17db7c67. 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/7d8cdb81-86c7-4262-8218-9cfb37dc3c15.json and https://artists.proofprofile.net/proofs/artist/7d8cdb81-86c7-4262-8218-9cfb37dc3c15.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Pearls - Amii Stewart Sings Ennio Morricone
You Are My Sunshine / Natural Woman / Dr. Feelgood / Respect - Medley
Knock On... - [The Dave Cash Collection]
Pearls (Amii Stewart Sings Ennio Morricone)
Pearls: Amii Stewart Sings Ennio Morricone
You Really Touched My Heart - 1985 7" Remix
Knock on Wood - German Album Edit with Intro
My God Is So High (Christmas at The Vatican) [Live]
Knock on Wood (Extended Mix Remastered 2021)
Knock on Wood - Extended Mix Remastered 2021
Knock on Wood (The Last Days of Disco Remix)
You Really Touched My Heart (1985 7" Remix)
Knock On Wood / Ash 48 (1985 12" Extended Mix)
Knock On Wood / Ash 48 - 1985 12" Extended Mix
Disco Vocals – Soulful Dancefloor Cuts Featuring 23 Of The Best Grooves
{"copyright_id":"0x906030abaa2b740c2fe731bf4d1f40cbb05a41a0ed1d2fc267bd49de3d039bee","isrc":"ITB008400206","name":"Friends - Single Version","registered_at":"2026-06-07T18:44:27Z","spotify_id":"3mqdg7bfTrHz2BQWiEanrf","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 0x906030abaa2b740c2fe731bf4d1f40cbb05a41a0ed1d2fc267bd49de3d039bee. 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/3mqdg7bfTrHz2BQWiEanrf.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/3mqdg7bfTrHz2BQWiEanrf.
{"copyright_id":"0x2d0f192e86f8ea0e1eb0620305b99a9ec62aa7fa5ea5e6fe76763ff0396d53d3","isrc":"GBAJE7900107","name":"Knock on Wood","registered_at":"2026-06-04T13:29:38Z","spotify_id":"7uPY04JODJM6EKFoJp65LL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d0f192e86f8ea0e1eb0620305b99a9ec62aa7fa5ea5e6fe76763ff0396d53d3. 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/7uPY04JODJM6EKFoJp65LL.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/7uPY04JODJM6EKFoJp65LL.