Zunar may refer to: Zulkiflee Anwar Haque, Malaysian cartoonist Zunnar, a belt won by Christians in Jerusalem Zonnar, a village in Iran
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0049fa26ec5b0415f88488e3f3a54f88bfe245f7a926bd0a7d44c7a5c31ae5dc. Chain 2 (Bitcoin): anchored in block 954023 (2026-06-16T23:57:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/381bf5e0-4704-4db4-a0e0-9f65f7e89644.json and https://artists.proofprofile.net/proofs/artist/381bf5e0-4704-4db4-a0e0-9f65f7e89644.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).