Hellsingland Underground
type: MusicGroup
genre: arena rock
genre: roots rock
genre: southern rock
popularity: 8
followers: 2395
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac4419cb703d362b8a00f4f98b3ab1ad36b8aa9879602479931e14c9f5e8c7cd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954659
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954659
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dbfb09d5-ad49-4f98-8acc-55097e8db6e9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dbfb09d5-ad49-4f98-8acc-55097e8db6e9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dbfb09d5-ad49-4f98-8acc-55097e8db6e9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T06:14:42Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xac4419cb703d362b8a00f4f98b3ab1ad36b8aa9879602479931e14c9f5e8c7cd","name":"Hellsingland Underground","registered_at":"2026-06-21T05:07:23Z","symbol":"NIM1825320","token_address":"0x06041976f2fff1f9e72807e1a99dd2c1e26b381c","type":"artist","uuid":"dbfb09d5-ad49-4f98-8acc-55097e8db6e9"}
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 0xac4419cb703d362b8a00f4f98b3ab1ad36b8aa9879602479931e14c9f5e8c7cd. Chain 2 (Bitcoin): anchored in block 954659 (2026-06-21T06:14:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dbfb09d5-ad49-4f98-8acc-55097e8db6e9.json and https://artists.proofprofile.net/proofs/artist/dbfb09d5-ad49-4f98-8acc-55097e8db6e9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T06:14:42Z
  text: {"copyright_id":"0xac4419cb703d362b8a00f4f98b3ab1ad36b8aa9879602479931e14c9f5e8c7cd","name":"Hellsingland Underground","registered_at":"2026-06-21T05:07:23Z","symbol":"NIM1825320","token_address":"0x06041976f2fff1f9e72807e1a99dd2c1e26b381c","type":"artist","uuid":"dbfb09d5-ad49-4f98-8acc-55097e8db6e9"}
album: Hellsingland Underground
  type: MusicAlbum
  date published: 2008-03-15
album: Hellsingland Underground
  type: MusicAlbum
  date published: 2008-03-15
album: The Spark That Never Dies
  type: MusicAlbum
  date published: 2010-03-15
album: Madness & Grace
  type: MusicAlbum
  date published: 2010-04-16
album: Madness & Grace
  type: MusicAlbum
  date published: 2010-04-16
album: The Lost River Band
  type: MusicAlbum
  date published: 2012-07-16
album: Evil Will Prevail
  type: MusicAlbum
  date published: 2012-09-17
album: Evil Will Prevail
  type: MusicAlbum
  date published: 2012-10-26
album: Evil Will Prevail
  type: MusicAlbum
  date published: 2012-10-26
album: Earth's Gonna Shake
  type: MusicAlbum
  date published: 2016-01-22
album: Earth's Gonna Shake
  type: MusicAlbum
  date published: 2016-01-22
album: As Dreams Go By (Radio Edit)
  type: MusicAlbum
  date published: 2016-03-25
album: As Dreams Go By (Radio Edit)
  type: MusicAlbum
  date published: 2016-03-25
album: Understanding Gravity
  type: MusicAlbum
  date published: 2016-04-01
album: Understanding Gravity
  type: MusicAlbum
  date published: 2016-04-01
album: Carnival Beyond the Hills
  type: MusicAlbum
  date published: 2019-08-09
album: A Hundred Years is Nothing
  type: MusicAlbum
  date published: 2019-08-30
album: The Blessing & The Curse
  type: MusicAlbum
  date published: 2019-10-31
album: It Started with a Teardrop
  type: MusicAlbum
  date published: 2022-09-09
album: Hustlin' Around
  type: MusicAlbum
  date published: 2022-10-07
album: Endless Optimism
  type: MusicAlbum
  date published: 2022-11-04