Foghorn Duo
type: MusicGroup
genre: bluegrass
genre: country blues
popularity: 2
followers: 219
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e664d2d6f4db031277bc09e9597702d5b5e3c439c5565706701e7ddd8fac73d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954693
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e639e242-0739-4a4f-ad24-0ae0823d12f6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e639e242-0739-4a4f-ad24-0ae0823d12f6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e639e242-0739-4a4f-ad24-0ae0823d12f6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4e664d2d6f4db031277bc09e9597702d5b5e3c439c5565706701e7ddd8fac73d","name":"Foghorn Duo","registered_at":"2026-06-21T08:23:34Z","symbol":"NIM1874312","token_address":"0xcab54bbb159ce9da4765c324dc65c7519def924d","type":"artist","uuid":"e639e242-0739-4a4f-ad24-0ae0823d12f6"}
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 0x4e664d2d6f4db031277bc09e9597702d5b5e3c439c5565706701e7ddd8fac73d. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e639e242-0739-4a4f-ad24-0ae0823d12f6.json and https://artists.proofprofile.net/proofs/artist/e639e242-0739-4a4f-ad24-0ae0823d12f6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
  text: {"copyright_id":"0x4e664d2d6f4db031277bc09e9597702d5b5e3c439c5565706701e7ddd8fac73d","name":"Foghorn Duo","registered_at":"2026-06-21T08:23:34Z","symbol":"NIM1874312","token_address":"0xcab54bbb159ce9da4765c324dc65c7519def924d","type":"artist","uuid":"e639e242-0739-4a4f-ad24-0ae0823d12f6"}
album: Lonesome Song
  type: MusicAlbum
  date published: 2008-01-01
album: Lonesome Song
  type: MusicAlbum
  date published: 2012-10-31