Lucio Battisti (5 March 1943 – 9 September 1998) was an Italian singer-songwriter and composer. He is widely recognized for songs that defined the late 1960s and 1970s era of Italian songwriting. Bat
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 0xaa77950095807e2201bb33e083c5ec813ffc8ae093c7a2e809f9174d8623191f. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/05c4dcff-ef93-4f41-bd77-3d36e927fcd1.json and https://artists.proofprofile.net/proofs/artist/05c4dcff-ef93-4f41-bd77-3d36e927fcd1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).