Paul Engemann (born October 15, 1957) is an American former pop singer. He is best known for performing vocals on the 1983 Giorgio Moroder song "Scarface (Push It to the Limit)", which was featured pr
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 0x5f32c8500da4b3e151c92cc3ed4e013fb92ddc2337403552424e9f73849a36a9. Chain 2 (Bitcoin): anchored in block 954131 (2026-06-17T19:19:19Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7c389532-6576-4269-971e-34d02bcc39b3.json and https://artists.proofprofile.net/proofs/artist/7c389532-6576-4269-971e-34d02bcc39b3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).