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 0x2fad2cfc9495b183ba39a5a08c9c1ace6437987badd8b0ad058e17d582b67d79. 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/fbb67674-873a-40b8-a119-12108665c00b.json and https://artists.proofprofile.net/proofs/artist/fbb67674-873a-40b8-a119-12108665c00b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Kaisan Ba Piya Maai Ke Mandiriya (Bhojpuri)
Nand Bhaujai Jal Bhare Chalali (Bhojpuri)
Kahwa Naiharwa Kahwa Sasurawa (Bhojpuri)