Dehm is a surname of German origin; people having the surname include: Diether Dehm (born 1950), German The Left-politician Jannik Dehm (born 2 May 1996), German professional footballer Patrick De
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 0x0d3a6ac64b868a7b142c9aa0b3fb6628542ed8ac5877f6fe42695de3b06e6937. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7c83cc0e-c9e1-4a8f-92a2-bb85d69242e0.json and https://artists.proofprofile.net/proofs/artist/7c83cc0e-c9e1-4a8f-92a2-bb85d69242e0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).