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 0x67e3378382c013b756f3c76fe58a758b3094f6619c1f0531d7746df84e0b4e26. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/30d3e882-1815-4091-9219-5a5df8f9ca60.json and https://artists.proofprofile.net/proofs/artist/30d3e882-1815-4091-9219-5a5df8f9ca60.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xd03dc9c1029a9e95fa104c908d7275a21d0d5a3df9effd3e605bcea5913739b1. 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/1QUFpPMzzO0iCHnBcwyBvy.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/1QUFpPMzzO0iCHnBcwyBvy.
Past the Buliding (ginla Remix) (ginla Remix)
When It Rains (Digital Exclusive) - Original Mix
If You Only Knew Remixes / When It Rains
{"copyright_id":"0xfcb4845a40c22054ad8cf626e03f3c128349ed2060363095e38b0bea1e803ad0","isrc":"GBKQU1217948","name":"When It Rains (Digital Exclusive) - Original Mix","registered_at":"2026-06-06T11:16:24Z","spotify_id":"234P0kWibWunAZlDW1L0VW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcb4845a40c22054ad8cf626e03f3c128349ed2060363095e38b0bea1e803ad0. 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/234P0kWibWunAZlDW1L0VW.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/234P0kWibWunAZlDW1L0VW.
{"copyright_id":"0xb3374f3fe647b4188beda538637239ed5ae330d108de46dafc8bf5230546dcb0","isrc":"GBTVG1000181","name":"Footsteps (Original)","registered_at":"2026-06-06T10:25:58Z","spotify_id":"0WgGftpBnxwdoh2YsyxM8L","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3374f3fe647b4188beda538637239ed5ae330d108de46dafc8bf5230546dcb0. 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/0WgGftpBnxwdoh2YsyxM8L.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/0WgGftpBnxwdoh2YsyxM8L.
Alone in the Night - BSB's Stella Polaris Remix