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 0x8420864924a5c6b30015418e7d9db163aee29d6a9faa03481291b7e8d284561b. Chain 2 (Bitcoin): anchored in block 954573 (2026-06-20T15:45:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b5d269a5-9b68-4e2d-a92c-c5fd622e96ee.json and https://artists.proofprofile.net/proofs/artist/b5d269a5-9b68-4e2d-a92c-c5fd622e96ee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ya Robbi Solli Ala Muhammad (Amal Busker)
Betapa Bahagianya Bertemu Nabi (Amal Busker)
Ya Rasulullah Salamun Alaik (Amal Busker)
Ilahi Taubatan Qoblal Mamati (Amal Busker)
Ya Hanana ver Amal Busker (Maulid 1446H)