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 0xdb301d004aa095ee4bf744faf96b67f8c92ed749ec42ea2f0f4239edb44f5f6f. Chain 2 (Bitcoin): anchored in block 954717 (2026-06-21T15:47:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f2e973c5-a9aa-4fb5-9ed9-8c7284565efd.json and https://artists.proofprofile.net/proofs/artist/f2e973c5-a9aa-4fb5-9ed9-8c7284565efd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Chalo Khambat Chalo Urs e Shah e Miran Me
Jaan E Batool O Haider Lakho Salam Tum Par
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Aye Shah E Najaf Mai Tere Darbar K Sadqe
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Ashraf E Simna Ka Jabse Main Diwana Ho Gaya