Zaid or Zayd (; ) is an Arabic given name and surname. Zaid Given name Zaid Abbas (born 1983), Jordanian basketball player Zaid Abdul-Aziz (born 1946), American basketball player Zaid Al-Harb (188
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 0x9089278f0001d48679661e075b0d8a215a45d576f48d156b06f2f1b4f8c1fd2a. Chain 2 (Bitcoin): anchored in block 953610 (2026-06-14T07:58:09Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1378f979-2b2a-495e-8725-af33d58bca28.json and https://artists.proofprofile.net/proofs/artist/1378f979-2b2a-495e-8725-af33d58bca28.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).