Bautz is a surname. Notable people with this surname include: (born 1972), German biologist and activist Ekkehard Bautz (born 1933), German molecular biologist Erich Bautz (1913–1986), German racing
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 0x5e76b82583421aff21c10699573cd25d122bc6fcdd05f90e8a2a0bae04b4612e. Chain 2 (Bitcoin): anchored in block 954500 (2026-06-20T04:47:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9ba677c9-0791-4f72-9465-3c227a26bff1.json and https://artists.proofprofile.net/proofs/artist/9ba677c9-0791-4f72-9465-3c227a26bff1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).