Leopoldo Mastelloni (born 12 July 1945) is an Italian actor, comedian and singer. Biography Born in Naples, Mastelloni made his debut in his hometown, performing in theatre and cabaret. He got his fi
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 0x07a4ea0bb62d24cfbda9ff1c822890cd587c3e831e951fa72537f9109d806ce9. Chain 2 (Bitcoin): anchored in block 954174 (2026-06-18T03:01:36Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7beb7fdc-d03c-4885-9a22-605eea6586c0.json and https://artists.proofprofile.net/proofs/artist/7beb7fdc-d03c-4885-9a22-605eea6586c0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Quand'ero un neomelodico (Mastelloni Story)
"Cabala" 50 70 12 7 45 (Neapolitan Songs)