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 0x6fbc72ef56c58576f8bfa553590378a0419ab8bc606440b620b59e02de8668a2. 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/1f2da49d-3b86-458a-86f5-62050310318c.json and https://artists.proofprofile.net/proofs/artist/1f2da49d-3b86-458a-86f5-62050310318c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Love Theme from the Film "Michael and Helga"
In the Blue of the Evening - Remastered 2014
Turn Around Look at Me - Remastered 2014
While the Angelus Was Ringing - Remastered 2014
You Never Told Me (Titoli) - Versione Album
The Best of Piero Piccioni - The Greatest Hits
{"copyright_id":"0xc7eb01c571c876fc9acc93e7e4ef9af1c1abca7301eeee91b34251cac46acaff","isrc":"ITD060300550","name":"Richmond Bridge - Vocale","registered_at":"2026-06-10T04:33:46Z","spotify_id":"2jjBmP0UsexLEJCjakqgJj","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 0xc7eb01c571c876fc9acc93e7e4ef9af1c1abca7301eeee91b34251cac46acaff. 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/2jjBmP0UsexLEJCjakqgJj.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/2jjBmP0UsexLEJCjakqgJj.
Right Back Where We Started From: Female Pop And Soul In Seventies Britain
Richmond Bridge (From "Fumo di Londra") - Vocale
{"copyright_id":"0xce3ecebfcc8c8d0073f852f620051531dd795946842bd28f2c14d7d4cf3f336c","isrc":"GBHGA1527932","name":"Richmond Bridge (From \"Fumo di Londra\") - Vocale","registered_at":"2026-06-22T03:09:02Z","spotify_id":"4pL1NYwYiPYAbNjVwA5fnv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce3ecebfcc8c8d0073f852f620051531dd795946842bd28f2c14d7d4cf3f336c. 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/4pL1NYwYiPYAbNjVwA5fnv.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/4pL1NYwYiPYAbNjVwA5fnv.
Piero Piccioni 100 - 100 Greatest Soundtracks & Movie Scores
Beautiful Voices in Movies (The Italian Cinema Music)
{"copyright_id":"0xce3ecebfcc8c8d0073f852f620051531dd795946842bd28f2c14d7d4cf3f336c","isrc":"GBHGA1527932","name":"Richmond Bridge (From \"Fumo di Londra\") - Vocale","registered_at":"2026-06-22T03:09:02Z","spotify_id":"1rrK0VxVDTU44z5JTX9AIv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce3ecebfcc8c8d0073f852f620051531dd795946842bd28f2c14d7d4cf3f336c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1rrK0VxVDTU44z5JTX9AIv.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/1rrK0VxVDTU44z5JTX9AIv.
You Never Told me (From "Smoke Over London") - Remastered
You Never Told Me - Titoli - Versione Album
Fumo di Londra (Original Motion Picture Soundtrack) [Deluxe Edition]
{"copyright_id":"0x42134471d342ec61afa5fd4cc7be7e6d36d629d693cbf2c6cf46cf46572de916","isrc":"ITD060200493","name":"You Never Told Me - Titoli - Versione Album","registered_at":"2026-06-21T03:59:35Z","spotify_id":"2w8gxHuqPrQXBl8AbZOCOO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42134471d342ec61afa5fd4cc7be7e6d36d629d693cbf2c6cf46cf46572de916. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2w8gxHuqPrQXBl8AbZOCOO.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/2w8gxHuqPrQXBl8AbZOCOO.
{"copyright_id":"0xc7eb01c571c876fc9acc93e7e4ef9af1c1abca7301eeee91b34251cac46acaff","isrc":"ITD060300550","name":"Richmond Bridge - Vocale","registered_at":"2026-06-10T04:33:46Z","spotify_id":"5YKSmjspcjc4WjzeAkxgkH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7eb01c571c876fc9acc93e7e4ef9af1c1abca7301eeee91b34251cac46acaff. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5YKSmjspcjc4WjzeAkxgkH.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/5YKSmjspcjc4WjzeAkxgkH.