thumb|Dyrholm being interviewed by Nordisk Film along with Flora Ofelia about their work on the 2024 film "Birthday Girl" Flora Ofelia Hofmann Lindahl (born July 14, 2005), better known as Flora Ofeli
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x4e12be40021d77135f34ef04dc85e79ea1d4a16d43bab267f886d10f4e2c463d. 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/88c3589c-c660-4761-a67c-7afb805d0107.json and https://artists.proofprofile.net/proofs/artist/88c3589c-c660-4761-a67c-7afb805d0107.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).