Anup Kunwar
type: MusicGroup
popularity: 26
followers: 465
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b577fe7149584a757e4e920ba2ac51b5c8b1c3cd8d7cffbcba4cc949a42bf69
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/26384c60-9228-498d-bbfd-b78ee00e1dcd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/26384c60-9228-498d-bbfd-b78ee00e1dcd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/26384c60-9228-498d-bbfd-b78ee00e1dcd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5b577fe7149584a757e4e920ba2ac51b5c8b1c3cd8d7cffbcba4cc949a42bf69","name":"Anup Kunwar","registered_at":"2026-06-11T14:33:48Z","symbol":"NIM0050397","token_address":"0x13d79685e2263642217d23b97f9b49409c77de8c","type":"artist","uuid":"26384c60-9228-498d-bbfd-b78ee00e1dcd"}
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 0x5b577fe7149584a757e4e920ba2ac51b5c8b1c3cd8d7cffbcba4cc949a42bf69. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/26384c60-9228-498d-bbfd-b78ee00e1dcd.json and https://artists.proofprofile.net/proofs/artist/26384c60-9228-498d-bbfd-b78ee00e1dcd.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x5b577fe7149584a757e4e920ba2ac51b5c8b1c3cd8d7cffbcba4cc949a42bf69","name":"Anup Kunwar","registered_at":"2026-06-11T14:33:48Z","symbol":"NIM0050397","token_address":"0x13d79685e2263642217d23b97f9b49409c77de8c","type":"artist","uuid":"26384c60-9228-498d-bbfd-b78ee00e1dcd"}
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  date published: 2018-06-11
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  date published: 2019-08-29
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