Mendes (, gen.: ), the Greek name of the ancient Egyptian city of Djedet, also known in ancient Egypt as Per-Banebdjedet ("The Domain of the Ram Lord of Djedet") and Anpet, is known today as Tell El-R
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 0xc363445017934d0edd7b6fe5f99e733d7b7eaf729adc540689ac960b278166c3. 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/5f5cb0a5-fe33-4b9b-b55b-a0cf2682f29b.json and https://artists.proofprofile.net/proofs/artist/5f5cb0a5-fe33-4b9b-b55b-a0cf2682f29b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).