thumb|Jai Singh I of Amber receiving Shivaji a day before concluding the Treaty of Purandar (12 June 1665), Shivaji was later conferred with the title of Raja by emperor Aurangzeb. Raja (; from IAST
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 0x7793948a5bea6226dedf74884730b2c0ba3d7312b4abe2e412912138bd82d1bc. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bab47b1c-0fc9-4e5b-93b1-268b1d818e0f.json and https://artists.proofprofile.net/proofs/artist/bab47b1c-0fc9-4e5b-93b1-268b1d818e0f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).