Prophecy of Doom
type: MusicGroup
genre: death metal
genre: grindcore
genre: hardcore punk
popularity: 4
followers: 1049
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a7f6fe758e6935adc3f6f801ca07ec864c95acdfcfdb7090e01749ee6617e2d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/54b3bcc6-4d01-4e44-94ec-3b558ccfb4d8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/54b3bcc6-4d01-4e44-94ec-3b558ccfb4d8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/54b3bcc6-4d01-4e44-94ec-3b558ccfb4d8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9a7f6fe758e6935adc3f6f801ca07ec864c95acdfcfdb7090e01749ee6617e2d","name":"Prophecy of Doom","registered_at":"2026-06-16T19:02:40Z","symbol":"NIM1146123","token_address":"0xb7cacb5b6a079b7c7cb43e7a5028a968c5b7c0e6","type":"artist","uuid":"54b3bcc6-4d01-4e44-94ec-3b558ccfb4d8"}
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 0x9a7f6fe758e6935adc3f6f801ca07ec864c95acdfcfdb7090e01749ee6617e2d. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/54b3bcc6-4d01-4e44-94ec-3b558ccfb4d8.json and https://artists.proofprofile.net/proofs/artist/54b3bcc6-4d01-4e44-94ec-3b558ccfb4d8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x9a7f6fe758e6935adc3f6f801ca07ec864c95acdfcfdb7090e01749ee6617e2d","name":"Prophecy of Doom","registered_at":"2026-06-16T19:02:40Z","symbol":"NIM1146123","token_address":"0xb7cacb5b6a079b7c7cb43e7a5028a968c5b7c0e6","type":"artist","uuid":"54b3bcc6-4d01-4e44-94ec-3b558ccfb4d8"}
album: Prophecy of Doom
  type: MusicAlbum
  date published: 1990-01-01
album: Retrospective 1988-1991
  type: MusicAlbum
  date published: 2019-08-30