Arun Ghosh (born 7 June 1941) is a former Indian football player who represented India internationally. He also played club football for both the Kolkata giants Mohun Bagan and East Bengal Club. He la
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 0x6f8e6c4eb1ddddb3e6dc499ed2ef5b772fa567675a835d17306999b6f58ba732. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d98efc39-47f2-473c-bf43-17cf6f12a7a5.json and https://artists.proofprofile.net/proofs/artist/d98efc39-47f2-473c-bf43-17cf6f12a7a5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Launch! on the Sea with Scotland's Lifeboats (Original Motion Picture Soundtrack)