Youtie is a surname. Notable people with the surname include: Herbert Youtie (1904–1980), American papyrologist Louise Youtie (1909–2004), American papyrologist
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 0x93ba935c41a7945d18ce662c0f26b55c6937618e8ca25bfae6c74d5e4154c6d5. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/42afc632-9df5-4b9a-bf8d-9d4c6308d178.json and https://artists.proofprofile.net/proofs/artist/42afc632-9df5-4b9a-bf8d-9d4c6308d178.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).