Usurper
type: MusicGroup
genre: black metal
genre: death metal
genre: jungle
genre: thrash metal
description: A usurper is an illegitimate or controversial claimant to power, often but not always in a monarchy. In other words, one who takes the power of a country, city, or established region for oneself, with
popularity: 7
followers: 3091
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x10ead43f0e4a2988808b7005cd03c82ff14c5eeae15ee042123d21a1828a8e92
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ca491e32-d57b-40ba-872e-41060374d0ad.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ca491e32-d57b-40ba-872e-41060374d0ad.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ca491e32-d57b-40ba-872e-41060374d0ad
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
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 0x10ead43f0e4a2988808b7005cd03c82ff14c5eeae15ee042123d21a1828a8e92. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ca491e32-d57b-40ba-872e-41060374d0ad.json and https://artists.proofprofile.net/proofs/artist/ca491e32-d57b-40ba-872e-41060374d0ad.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
album: Diabolisis
  type: MusicAlbum
  date published: 1995
album: Diabolisis
  type: MusicAlbum
  date published: 1995
album: Threshold Of The Usurper
  type: MusicAlbum
  date published: 1997-01-01
album: Usurper II: Skeletal Season
  type: MusicAlbum
  date published: 1999-01-01
album: Visions From The Gods
  type: MusicAlbum
  date published: 2000
album: Visions From The Gods
  type: MusicAlbum
  date published: 2000
album: Necronemesis
  type: MusicAlbum
  date published: 2000
album: Necronemesis
  type: MusicAlbum
  date published: 2000
album: Twilight Dominion
  type: MusicAlbum
  date published: 2003
album: Cryptobeast
  type: MusicAlbum
  date published: 2009-03-25
album: Twilight Dominion
  type: MusicAlbum
  date published: 2009-03-25
album: Threshold of the Usurper / Skeletal Season
  type: MusicAlbum
  date published: 2016-02-12
album: Lords of the Permafrost
  type: MusicAlbum
  date published: 2019-03-22
album: Lords of the Permafrost
  type: MusicAlbum
  date published: 2019-03-22
album: Dynamic Equilibirium
  type: MusicAlbum
  date published: 2021-11-24
album: Back In Time
  type: MusicAlbum
  date published: 2022-02-25
album: Back In Time Remixes
  type: MusicAlbum
  date published: 2022-03-04
album: Original Fakes
  type: MusicAlbum
  date published: 2022-03-11
album: Militant Activity
  type: MusicAlbum
  date published: 2024-11-22