Farvann
type: MusicGroup
genre: black metal
popularity: 2
followers: 2129
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83050f05a6c265c55f546cabc2377720295e385bcd25183700c55c64a3c34e2f
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/e467c582-4e5d-4f39-840d-e832c624b097.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e467c582-4e5d-4f39-840d-e832c624b097.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e467c582-4e5d-4f39-840d-e832c624b097
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
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 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 0x83050f05a6c265c55f546cabc2377720295e385bcd25183700c55c64a3c34e2f. 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/e467c582-4e5d-4f39-840d-e832c624b097.json and https://artists.proofprofile.net/proofs/artist/e467c582-4e5d-4f39-840d-e832c624b097.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
album: Thrash Black Terror
  type: MusicAlbum
  date published: 2018-05-31
album: Existence
  type: MusicAlbum
  date published: 2018-05-31
album: The Cell Is Outside
  type: MusicAlbum
  date published: 2018-05-31
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  type: MusicAlbum
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  date published: 2019-02-12
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  type: MusicAlbum
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album: His Reign Needs to Fall
  type: MusicAlbum
  date published: 2019-08-13
album: Existence (Remastered)
  type: MusicAlbum
  date published: 2019-09-07
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  type: MusicAlbum
  date published: 2020-02-09
album: Inquisition Song
  type: MusicAlbum
  date published: 2020-02-09
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  date published: 2020-03-22
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  type: MusicAlbum
  date published: 2020-04-11
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  type: MusicAlbum
  date published: 2020-11-29
album: The Big Black Metal Collaboration
  type: MusicAlbum
  date published: 2020-12-20
album: I En Hall Med Flesk Og Mjød (cover in D-Standard)
  type: MusicAlbum
  date published: 2021-01-22
album: Death Metal Song
  type: MusicAlbum
  date published: 2021-03-19
album: Darkthrone Tutorial Song
  type: MusicAlbum
  date published: 2021-11-27
album: Inquisition Style Song (re-recording)
  type: MusicAlbum
  date published: 2021-12-18
album: Death Metal
  type: MusicAlbum
  date published: 2023-01-14
album: Grindcore meets Atmospheric Black Metal
  type: MusicAlbum
  date published: 2023-05-01
album: Black Metal with ONLY BASS
  type: MusicAlbum
  date published: 2023-08-25
album: Thrash Metal Song
  type: MusicAlbum
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  type: MusicAlbum
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album: Capitalist Morning
  type: MusicAlbum
  date published: 2024-03-09
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  type: MusicAlbum
  date published: 2024-05-24
album: Black/Death Metal Song
  type: MusicAlbum
  date published: 2024-09-08