John Paul may refer to: People Given name John Paul (given name), a list of bearers of the name, and equivalent names in other languages Pope John Paul I (1912–1978) Pope John Paul II (1920–2005)
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 0x233f583d1e68127025f4b5281cd4a78d5b4629eee0bbd14a318c8ca31d9d5b7e. Chain 2 (Bitcoin): anchored in block 954125 (2026-06-17T18:27:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7bd99c2d-6141-43e4-8972-289a481ca166.json and https://artists.proofprofile.net/proofs/artist/7bd99c2d-6141-43e4-8972-289a481ca166.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).