Office Instrumental
type: MusicGroup
popularity: 9
followers: 253
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf2cc2cfbf3f8c7a79aae04c1784a75a096d7bc0befed27720c24d7722056ea99
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b1b27c87-0ddb-4331-8817-f7ac146d424c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b1b27c87-0ddb-4331-8817-f7ac146d424c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b1b27c87-0ddb-4331-8817-f7ac146d424c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf2cc2cfbf3f8c7a79aae04c1784a75a096d7bc0befed27720c24d7722056ea99","name":"Office Instrumental","registered_at":"2026-06-20T12:31:44Z","symbol":"NIM1613932","token_address":"0xed8f57181ae848687c0c6f7a68564e500e912a5c","type":"artist","uuid":"b1b27c87-0ddb-4331-8817-f7ac146d424c"}
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 0xf2cc2cfbf3f8c7a79aae04c1784a75a096d7bc0befed27720c24d7722056ea99. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b1b27c87-0ddb-4331-8817-f7ac146d424c.json and https://artists.proofprofile.net/proofs/artist/b1b27c87-0ddb-4331-8817-f7ac146d424c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0xf2cc2cfbf3f8c7a79aae04c1784a75a096d7bc0befed27720c24d7722056ea99","name":"Office Instrumental","registered_at":"2026-06-20T12:31:44Z","symbol":"NIM1613932","token_address":"0xed8f57181ae848687c0c6f7a68564e500e912a5c","type":"artist","uuid":"b1b27c87-0ddb-4331-8817-f7ac146d424c"}
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  date published: 2019-08-06
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