Lieb is a surname. Notable people with the surname include: Eli Lieb (born 1979), American singer songwriter Elliott H. Lieb (born 1932), American mathematical physicist R. Eric Lieb, American wri
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 0x613aeb4ce66f188b525c8e0dc45529b4729ed277996a5b19f6aba3c669f2aca0. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b1fa0696-34c0-4398-9003-3eec421d5529.json and https://artists.proofprofile.net/proofs/artist/b1fa0696-34c0-4398-9003-3eec421d5529.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).