Tushar Joshi (born 3 August 1987, Jabalpur) is an Indian singer, songwriter, and music producer. He has recorded songs predominantly in the Hindi, South and Bangla music industry, but also in the Mara
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 0x713ff977825efd88094603883fc79050ece8d0dfad2c9adf5a60ed1c65553c69. Chain 2 (Bitcoin): anchored in block 954004 (2026-06-16T21:01:04Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/32c570a9-d19b-48a3-a043-ca87fe0eb759.json and https://artists.proofprofile.net/proofs/artist/32c570a9-d19b-48a3-a043-ca87fe0eb759.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.