Javier Reyes is an American economist who is the 12th and current chancellor of the University of Massachusetts Amherst, as well as Professor of Finance at Isenberg School of Management. Reyes is an e
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 0x90cdf728c87692795e28bdb6ee5ef88dc0b4b53f52f97f19ea2d68467b61e5f9. Chain 2 (Bitcoin): anchored in block 953588 (2026-06-14T04:52:46Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/02561d28-0fe3-447f-9fdd-15a019532ef9.json and https://artists.proofprofile.net/proofs/artist/02561d28-0fe3-447f-9fdd-15a019532ef9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).