The Matthew Herbert Big Band
type: MusicGroup
genre: big band
genre: nu jazz
popularity: 18
followers: 6986
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0313100c6bbee35daeea605d10ba058ad4db152f41830d3e1927a76e7c8602cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953674
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953674
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5a2ebea9-d0d8-48d1-a65b-e01ceb958b57.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5a2ebea9-d0d8-48d1-a65b-e01ceb958b57.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5a2ebea9-d0d8-48d1-a65b-e01ceb958b57
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T19:07:16Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0313100c6bbee35daeea605d10ba058ad4db152f41830d3e1927a76e7c8602cf","name":"The Matthew Herbert Big Band","registered_at":"2026-06-14T13:59:32Z","symbol":"NIM0474756","token_address":"0x635f153d78aca9b41a0ce1869e1d7204438b2afb","type":"artist","uuid":"5a2ebea9-d0d8-48d1-a65b-e01ceb958b57"}
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 0x0313100c6bbee35daeea605d10ba058ad4db152f41830d3e1927a76e7c8602cf. Chain 2 (Bitcoin): anchored in block 953674 (2026-06-14T19:07:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5a2ebea9-d0d8-48d1-a65b-e01ceb958b57.json and https://artists.proofprofile.net/proofs/artist/5a2ebea9-d0d8-48d1-a65b-e01ceb958b57.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T19:07:16Z
  text: {"copyright_id":"0x0313100c6bbee35daeea605d10ba058ad4db152f41830d3e1927a76e7c8602cf","name":"The Matthew Herbert Big Band","registered_at":"2026-06-14T13:59:32Z","symbol":"NIM0474756","token_address":"0x635f153d78aca9b41a0ce1869e1d7204438b2afb","type":"artist","uuid":"5a2ebea9-d0d8-48d1-a65b-e01ceb958b57"}
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