thumb|Popularity of the name Renata Renata is a feminine given name of European origin, and a Maori surname. The name is of Latin origin of Renatus. The cognate names include Renée and Renate. Not
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd31cf684a3167c8b3cbdccd6c6147f10c42ad24c1e232474c107b3fc9390beb8. Chain 2 (Bitcoin): anchored in block 953846 (2026-06-15T22:48:34Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0067df99-4434-4132-a6e5-fb7531c2b6ef.json and https://artists.proofprofile.net/proofs/artist/0067df99-4434-4132-a6e5-fb7531c2b6ef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).