Hoanna
type: MusicGroup
genre: norwegian pop
popularity: 3
followers: 142
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x44ce147a228984e063c48ff7cad4e0e95a8c9b789f00ceb98c383d890ae49e10
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/99633b71-f5c8-463b-8fa0-17bb2dad696f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/99633b71-f5c8-463b-8fa0-17bb2dad696f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/99633b71-f5c8-463b-8fa0-17bb2dad696f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
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 0x44ce147a228984e063c48ff7cad4e0e95a8c9b789f00ceb98c383d890ae49e10. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/99633b71-f5c8-463b-8fa0-17bb2dad696f.json and https://artists.proofprofile.net/proofs/artist/99633b71-f5c8-463b-8fa0-17bb2dad696f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
album: Live from a balcony
  type: MusicAlbum
  date published: 2022-09-30
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  type: MusicAlbum
  date published: 2022-11-05
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  type: MusicAlbum
  date published: 2022-12-12
album: Mermaid song
  type: MusicAlbum
  date published: 2023-01-29
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  type: MusicAlbum
  date published: 2023-07-14
album: Make this city a space of love
  type: MusicAlbum
  date published: 2023-07-16
album: Gje faen
  type: MusicAlbum
  date published: 2024-07-19
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  type: MusicAlbum
  date published: 2025-04-03
album: Lesbøyværing
  type: MusicAlbum
  date published: 2025-06-15