Nidingr
type: MusicGroup
genre: black metal
popularity: 7
followers: 6532
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc4be7c9d3b7f50677495b6c9659147019409ece0e9648bbbdd643f44fbf3860
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6f67852f-b44d-4814-a815-896dac6b43de.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6f67852f-b44d-4814-a815-896dac6b43de.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6f67852f-b44d-4814-a815-896dac6b43de
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
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 0xcc4be7c9d3b7f50677495b6c9659147019409ece0e9648bbbdd643f44fbf3860. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6f67852f-b44d-4814-a815-896dac6b43de.json and https://artists.proofprofile.net/proofs/artist/6f67852f-b44d-4814-a815-896dac6b43de.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: Sorrow Infinite and Darkness
  type: MusicAlbum
  date published: 2005-06-27
album: Sorrow Infinite And Darkness
  type: MusicAlbum
  date published: 2005-06-27
album: Sorrow Infinite And Darkness
  type: MusicAlbum
  date published: 2005-06-27
album: Wolf-Father
  type: MusicAlbum
  date published: 2010-07-17
album: Wolf-Father
  type: MusicAlbum
  date published: 2010-07-17
album: Greatest Of Deceivers
  type: MusicAlbum
  date published: 2012-11-16
album: Greatest of Deceivers
  type: MusicAlbum
  date published: 2012-11-19
album: Greatest of Deceivers
  type: MusicAlbum
  date published: 2012-11-20
album: Greatest of Deceivers
  type: MusicAlbum
  date published: 2012-11-20
album: Greatest of Deceivers
  type: MusicAlbum
  date published: 2012-11-20
album: Surtr
  type: MusicAlbum
  date published: 2016-11-22
album: Surtr
  type: MusicAlbum
  date published: 2016-11-25
album: Ash Yggdrasil
  type: MusicAlbum
  date published: 2017-01-04
album: Ash Yggdrasil
  type: MusicAlbum
  date published: 2017-01-06
album: On Dead Body Shore
  type: MusicAlbum
  date published: 2017-01-19
album: On Dead Body Shore
  type: MusicAlbum
  date published: 2017-02-10
album: The High Heat Licks Against Heaven
  type: MusicAlbum
  date published: 2017-02-10
album: The High Heat Licks Against Heaven
  type: MusicAlbum
  date published: 2017-02-10
album: The High Heat Licks Against Heaven
  type: MusicAlbum
  date published: 2017-02-10
album: The High Heat Licks Against Heaven
  type: MusicAlbum
  date published: 2017-02-10