Shafin Ahmed (14 February 1961 – 24 July 2024) was a Bangladeshi rock bassist, singer-songwriter, record producer and politician. He was the lead singer, songwriter and bassist for the Bangladeshi roc
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 0xe2e284469d69989bd074d053fae6a23a4b6578975c44595ff9d62aef7d53a27d. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e50177f9-70cc-4725-9d68-796d7694ac93.json and https://artists.proofprofile.net/proofs/artist/e50177f9-70cc-4725-9d68-796d7694ac93.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Din Galo (Firey Elena) [2024 Remastered]
Jatiyo Sangeeter Ditiyo Line (2023 Remastered)