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 0x8a1d1c3e14318ee8e3efbe2367071b0ff75761f8af68fb0379bbd13add8bee00. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6ff5869c-13fe-4e66-bc50-2079beb32f58.json and https://artists.proofprofile.net/proofs/artist/6ff5869c-13fe-4e66-bc50-2079beb32f58.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Karawlas Sawan Me Ropaniya Tut Gail Nathuniya
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Chal Pe Chavanni Lela Gaal Pe Athanni (Bhojpuri song)
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