Sayan Bhattacharya
type: MusicGroup
genre: bhajan
genre: devotional
popularity: 30
followers: 2129
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a1c621a8e7096e246cca24df625756815d2f8f57c20e284ef980b1bc31eb93a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6a9c4f0f-8bf1-49d0-a88d-f9fda62f3e86.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6a9c4f0f-8bf1-49d0-a88d-f9fda62f3e86.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6a9c4f0f-8bf1-49d0-a88d-f9fda62f3e86
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5a1c621a8e7096e246cca24df625756815d2f8f57c20e284ef980b1bc31eb93a","name":"Sayan Bhattacharya","registered_at":"2026-06-11T23:33:46Z","symbol":"NIM0137878","token_address":"0x5ee7596207a97428f318c5f99de274c42e91e9e2","type":"artist","uuid":"6a9c4f0f-8bf1-49d0-a88d-f9fda62f3e86"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a1c621a8e7096e246cca24df625756815d2f8f57c20e284ef980b1bc31eb93a. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6a9c4f0f-8bf1-49d0-a88d-f9fda62f3e86.json and https://artists.proofprofile.net/proofs/artist/6a9c4f0f-8bf1-49d0-a88d-f9fda62f3e86.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x5a1c621a8e7096e246cca24df625756815d2f8f57c20e284ef980b1bc31eb93a","name":"Sayan Bhattacharya","registered_at":"2026-06-11T23:33:46Z","symbol":"NIM0137878","token_address":"0x5ee7596207a97428f318c5f99de274c42e91e9e2","type":"artist","uuid":"6a9c4f0f-8bf1-49d0-a88d-f9fda62f3e86"}
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