Sudhir Kumar
type: MusicGroup
popularity: 12
followers: 191
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x665b5d441bf69e8fdc49429fc58e80824d5b6183e1d4ae6cc353cadbfc7aa70f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953717
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953717
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8747cf39-1db6-40c1-93d5-87a009e02072.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8747cf39-1db6-40c1-93d5-87a009e02072.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8747cf39-1db6-40c1-93d5-87a009e02072
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T01:05:33Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x665b5d441bf69e8fdc49429fc58e80824d5b6183e1d4ae6cc353cadbfc7aa70f","name":"Sudhir Kumar","registered_at":"2026-06-14T18:44:09Z","symbol":"NIM0542625","token_address":"0xea3924826f795eea6298cf54b46bc9303337dfd7","type":"artist","uuid":"8747cf39-1db6-40c1-93d5-87a009e02072"}
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x665b5d441bf69e8fdc49429fc58e80824d5b6183e1d4ae6cc353cadbfc7aa70f. Chain 2 (Bitcoin): anchored in block 953717 (2026-06-15T01:05:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8747cf39-1db6-40c1-93d5-87a009e02072.json and https://artists.proofprofile.net/proofs/artist/8747cf39-1db6-40c1-93d5-87a009e02072.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-15T01:05:33Z
  text: {"copyright_id":"0x665b5d441bf69e8fdc49429fc58e80824d5b6183e1d4ae6cc353cadbfc7aa70f","name":"Sudhir Kumar","registered_at":"2026-06-14T18:44:09Z","symbol":"NIM0542625","token_address":"0xea3924826f795eea6298cf54b46bc9303337dfd7","type":"artist","uuid":"8747cf39-1db6-40c1-93d5-87a009e02072"}
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