Hope Hall
type: MusicGroup
genre: lullaby
description: Hope Hall, Hope, Flintshire, Wales was a country house, built in 1740 and demolished in 1960. The building alt=The Former Site of Hope Hall (Hope House Farm)|thumb|200x200px|The Former Site of Hope
popularity: 36
followers: 136
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x28e8fa3d3417b01e87dbc644ea76966b4266b1653ba5cc29d7df7c66c91d033e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/86d4ae29-5114-4750-afa3-30e5bd2ccd8e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/86d4ae29-5114-4750-afa3-30e5bd2ccd8e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/86d4ae29-5114-4750-afa3-30e5bd2ccd8e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x28e8fa3d3417b01e87dbc644ea76966b4266b1653ba5cc29d7df7c66c91d033e","name":"Hope Hall","registered_at":"2026-06-12T03:36:38Z","symbol":"NIM0174976","token_address":"0xbaf3624873acb1ced8d364aff001ed591928395e","type":"artist","uuid":"86d4ae29-5114-4750-afa3-30e5bd2ccd8e"}
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 0x28e8fa3d3417b01e87dbc644ea76966b4266b1653ba5cc29d7df7c66c91d033e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/86d4ae29-5114-4750-afa3-30e5bd2ccd8e.json and https://artists.proofprofile.net/proofs/artist/86d4ae29-5114-4750-afa3-30e5bd2ccd8e.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x28e8fa3d3417b01e87dbc644ea76966b4266b1653ba5cc29d7df7c66c91d033e","name":"Hope Hall","registered_at":"2026-06-12T03:36:38Z","symbol":"NIM0174976","token_address":"0xbaf3624873acb1ced8d364aff001ed591928395e","type":"artist","uuid":"86d4ae29-5114-4750-afa3-30e5bd2ccd8e"}
album: Lullaby and Goodnight
  type: MusicAlbum
  date published: 2022-10-07
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