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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0266584d4ed0745f0878e36d29d3dd5e383cc3bfb9defdfbb77f408dde9936f4. 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/3996deda-2b05-4c8a-89be-c4a49e4ddf7f.json and https://artists.proofprofile.net/proofs/artist/3996deda-2b05-4c8a-89be-c4a49e4ddf7f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Chansons d'hier et d'aujourd'hui, Vol. 1