1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bdfbc4a29d477551102d4de8042ce83afde36fdf5d4fabf0a53f52dfc92366a. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a405206d-97a4-4ae4-b278-e5c20ae3f0d5.json and https://artists.proofprofile.net/proofs/artist/a405206d-97a4-4ae4-b278-e5c20ae3f0d5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rag Koiro Na Moner Manush (Original Motion Picture Soundtrack)
Rag Koiro Na Moner Manush - Original Motion Picture Soundtrack
Konna Jabe Shoshur Bari (Original Motion Picture Soundtrack)
Konna Jabe Shoshur Bari - Original Motion Picture Soundtrack