thumb|Hanns Kneifel Hanns Kneifel (11 July 1936, Gleiwitz – 7 March 2012, Munich) was a German science fiction writer. He is best known for writing 98 Perry Rhodan episodes. References External li
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 0x4a367c2a48be4435357af9f5fb52e2ed31c81dea5972caa56e10a0ec97df43eb. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cf1d0ebe-a832-4d2e-a96f-44f3f5886746.json and https://artists.proofprofile.net/proofs/artist/cf1d0ebe-a832-4d2e-a96f-44f3f5886746.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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