Jack Tuttle (born 2 February 1995) is an Australian rugby union fullback who currently plays for the Queensland Reds in the international Super Rugby competition. Early / provincial career Born and
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 0x309e09333da2c91caf8a067aafdcb1b520d1bb85cb3fbbb405c260de3a5aeaad. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b3bb3d48-c02c-4ff9-96dc-4b877825ff97.json and https://artists.proofprofile.net/proofs/artist/b3bb3d48-c02c-4ff9-96dc-4b877825ff97.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).