Boran (also spelled Buran, Middle Persian: 45px) was Sasanian queen (banbishn) of Iran from 630 to 632, with an interruption of some months. She was the daughter of king (or shah) Khosrow II () and th
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 0x0c3ca46d7561ee7605a190910e64a95dce49466807f03119af238483c4095e96. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e8141963-1df6-4b05-9950-843ea2cadcea.json and https://artists.proofprofile.net/proofs/artist/e8141963-1df6-4b05-9950-843ea2cadcea.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).