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 0xe667b6210ea76378f1dd06fc74d9bcede899a663b3078542483833c9fb00cbf5. 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/d61f6362-2583-4876-b92b-a333dae71eba.json and https://artists.proofprofile.net/proofs/artist/d61f6362-2583-4876-b92b-a333dae71eba.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Wasted All Of My Time - Low Steppa Remix
Your Moment To Shine - Original Spotify Edit
{"copyright_id":"0x1660844cf899cdd5f1d7f3db2da1c64a2540803bbbbfc90e955d66571fd04c09","isrc":"GBKQU1937142","name":"Izinque - Alessio Cala' Remix - Edit","registered_at":"2026-06-20T08:33:29Z","spotify_id":"5j7jQH0OiBX7cilDyMlKPn","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 0x1660844cf899cdd5f1d7f3db2da1c64a2540803bbbbfc90e955d66571fd04c09. 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/5j7jQH0OiBX7cilDyMlKPn.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/5j7jQH0OiBX7cilDyMlKPn.
Defected presents Most Rated Ibiza 2018 (Mixed)
Defected Radio Episode 108 (hosted by Sam Divine)
Just To My Mind - Alessio Cala' Dark Jackin Mix
Defected Radio Episode 134 (hosted by Sam Divine)
Nothing But... Essential House Music, Vol. 15
No More - Angelo Ferreri & Alessio Cala' Remix - Radio Edit
{"copyright_id":"0x1660844cf899cdd5f1d7f3db2da1c64a2540803bbbbfc90e955d66571fd04c09","isrc":"GBKQU1937142","name":"Izinque - Alessio Cala' Remix","registered_at":"2026-06-20T08:33:29Z","spotify_id":"7uMpXdDJnI8gWn3bBbWtr1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1660844cf899cdd5f1d7f3db2da1c64a2540803bbbbfc90e955d66571fd04c09. 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/7uMpXdDJnI8gWn3bBbWtr1.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/7uMpXdDJnI8gWn3bBbWtr1.