John Hardy
type: MusicGroup
popularity: 2
followers: 172
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8fd259bb3129b73936f0a352d817c241d2f16e4fc063ba6815032c5a516610d8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fb4a624a-15f1-4595-9290-933426050b3f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fb4a624a-15f1-4595-9290-933426050b3f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fb4a624a-15f1-4595-9290-933426050b3f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8fd259bb3129b73936f0a352d817c241d2f16e4fc063ba6815032c5a516610d8","name":"John Hardy","registered_at":"2026-06-21T17:13:03Z","symbol":"NIM1982813","token_address":"0xf5d46c78273c09ce8b8140a2b1570d41cbe6846d","type":"artist","uuid":"fb4a624a-15f1-4595-9290-933426050b3f"}
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 0x8fd259bb3129b73936f0a352d817c241d2f16e4fc063ba6815032c5a516610d8. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fb4a624a-15f1-4595-9290-933426050b3f.json and https://artists.proofprofile.net/proofs/artist/fb4a624a-15f1-4595-9290-933426050b3f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:08:38Z
  text: {"copyright_id":"0x8fd259bb3129b73936f0a352d817c241d2f16e4fc063ba6815032c5a516610d8","name":"John Hardy","registered_at":"2026-06-21T17:13:03Z","symbol":"NIM1982813","token_address":"0xf5d46c78273c09ce8b8140a2b1570d41cbe6846d","type":"artist","uuid":"fb4a624a-15f1-4595-9290-933426050b3f"}
album: Let's Go Nashville
  type: MusicAlbum
  date published: 2007-12-28
album: Let's Go Nashville
  type: MusicAlbum
  date published: 2011-07-01
album: Hinterland / Y Gwyll Series 3 (Original Soundtrack)
  type: MusicAlbum
  date published: 2017-04-05