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 0x780350bbe5aed9860fb973ff38e0cb5aaabe1d7f2def8f0c64af3c51ede72600. Chain 2 (Bitcoin): anchored in block 953875 (2026-06-16T02:12:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/08613420-c615-4da0-b1e4-1c08e9116a99.json and https://artists.proofprofile.net/proofs/artist/08613420-c615-4da0-b1e4-1c08e9116a99.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
If I Could (feat. Kharisma & Ehwhenkeem)