Jamz () is a village in Montazeriyeh Rural District, in the Central District of Tabas County, South Khorasan Province, Iran. At the 2006 census, its population was 525, in 138 families. References
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 0x68222af0f95777c8ed9b6deb1e42963eb7723dc5ec264dda3a142e6cf0c4a065. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aa380299-5a5c-43be-a0a2-75a110aa28a2.json and https://artists.proofprofile.net/proofs/artist/aa380299-5a5c-43be-a0a2-75a110aa28a2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).