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 0xcb17ec943912a35d7bcc94d97d64f49c9dbc9807c1fe44894fc06b3f1f87fddd. 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/45c7fe27-c4d3-44c1-967c-83cc138e1b4b.json and https://artists.proofprofile.net/proofs/artist/45c7fe27-c4d3-44c1-967c-83cc138e1b4b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xd5c10b331e7b4564327ffc78d68641f1a1e96bcb7ed8101db5fce1b34186deb3","isrc":"UST8K1686192","name":"Gözümden Düştüğün An","registered_at":"2026-06-04T05:24:17Z","spotify_id":"1qf8tg55WWLGa9v0bOHKCJ","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 0xd5c10b331e7b4564327ffc78d68641f1a1e96bcb7ed8101db5fce1b34186deb3. 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/1qf8tg55WWLGa9v0bOHKCJ.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/1qf8tg55WWLGa9v0bOHKCJ.