John Murphy
type: MusicGroup
description: John Murphy may refer to: Arts and entertainment John Francis Murphy (1853–1921), American landscape painter John Murphy (fiddler) (1875–1955), Irish fiddle player John Cullen Murphy (1919–2004), Ame
popularity: 3
followers: 1190
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x33cfa4047587efbf073de4c27959e215207669ebdac9ff0d4c746f24fc8d0250
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954014
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954014
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2d0c9cf8-ef1d-41e2-a887-379f55dae33c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2d0c9cf8-ef1d-41e2-a887-379f55dae33c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2d0c9cf8-ef1d-41e2-a887-379f55dae33c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T22:46:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x33cfa4047587efbf073de4c27959e215207669ebdac9ff0d4c746f24fc8d0250","name":"John Murphy","registered_at":"2026-06-16T05:32:29Z","symbol":"NIM0952787","token_address":"0x6b892a17d34aa45eff8e15fb3588a73d73bec62a","type":"artist","uuid":"2d0c9cf8-ef1d-41e2-a887-379f55dae33c"}
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 0x33cfa4047587efbf073de4c27959e215207669ebdac9ff0d4c746f24fc8d0250. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2d0c9cf8-ef1d-41e2-a887-379f55dae33c.json and https://artists.proofprofile.net/proofs/artist/2d0c9cf8-ef1d-41e2-a887-379f55dae33c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0x33cfa4047587efbf073de4c27959e215207669ebdac9ff0d4c746f24fc8d0250","name":"John Murphy","registered_at":"2026-06-16T05:32:29Z","symbol":"NIM0952787","token_address":"0x6b892a17d34aa45eff8e15fb3588a73d73bec62a","type":"artist","uuid":"2d0c9cf8-ef1d-41e2-a887-379f55dae33c"}
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