Bruno Miguel Carapeto Reis (born 20 July 1999) is a Portuguese professional footballer who plays as a midfielder for Luxembourgish club Differdange 03. Career Reis signed his first professional contr
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 0xc8081d987291ffb5fb1a75ec4277371554d7f470d3d4313f73796fa27bd60af1. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/73f72a2c-f981-4c7f-86bb-f27564b6bba0.json and https://artists.proofprofile.net/proofs/artist/73f72a2c-f981-4c7f-86bb-f27564b6bba0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).