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 0xd5754580930df68fec90d892d8d2a41bfd45db7fe427e6aebc759c81c269fa97. Chain 2 (Bitcoin): anchored in block 953877 (2026-06-16T02:39:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0541452e-989e-458f-98c8-968b0cf268bd.json and https://artists.proofprofile.net/proofs/artist/0541452e-989e-458f-98c8-968b0cf268bd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Shunno | Sukher Bedona | Bangla New Song
Kalindir Ghate Aisho | Amar Bondhu | Bangla Song
Mard ko apni kami mehsos karwani hai to kya karna | Men Women Sounds