thumb|Peter Kraus. Peter Kraus (born 18 March 1939) is an Austrian-GermanPeter Kraus. Oesterreichisches Musiklexikon singer and actor.For his biography see: Frank Laufenberg / Ingrid Hake: Rock- und
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 0x760dbcbb00ee84ace3db6bfe33cc64f44bd1928e04a8ffb5b18375a6c4d08cb4. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/92aeda07-97ee-4519-b885-4a8b26307bba.json and https://artists.proofprofile.net/proofs/artist/92aeda07-97ee-4519-b885-4a8b26307bba.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).