Leng Tch'e
type: MusicGroup
genre: death metal
genre: grindcore
description: Leng Tch'e is a Belgian grindcore band. The band describes their style as "razorgrind", a combination of grindcore with death metal, stoner rock and metalcore. The band's name is an alternate romanisa
popularity: 9
followers: 8729
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/e33a94be-54cc-49a8-89f9-f90281cf92e0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e33a94be-54cc-49a8-89f9-f90281cf92e0.json
additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8e008bf307b9f3ac671cdc3871dfd13a684712fa2340100f7fc7d66ae12108a0","name":"Leng Tch'e","registered_at":"2026-06-21T07:35:01Z","symbol":"NIM1863876","token_address":"0xed8df728d6f3020ad971a4d2ac913a36f87cb6ba","type":"artist","uuid":"e33a94be-54cc-49a8-89f9-f90281cf92e0"}
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 0x8e008bf307b9f3ac671cdc3871dfd13a684712fa2340100f7fc7d66ae12108a0. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e33a94be-54cc-49a8-89f9-f90281cf92e0.json and https://artists.proofprofile.net/proofs/artist/e33a94be-54cc-49a8-89f9-f90281cf92e0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x8e008bf307b9f3ac671cdc3871dfd13a684712fa2340100f7fc7d66ae12108a0","name":"Leng Tch'e","registered_at":"2026-06-21T07:35:01Z","symbol":"NIM1863876","token_address":"0xed8df728d6f3020ad971a4d2ac913a36f87cb6ba","type":"artist","uuid":"e33a94be-54cc-49a8-89f9-f90281cf92e0"}
album: Man Made Predator
  type: MusicAlbum
  date published: 2003
album: The Process of Elimination
  type: MusicAlbum
  date published: 2005-06-28
  track: The Fist of the Leng Tch'e
    type: MusicRecording
    duration: PT1M50S
    duration ms: 110586
    explicit: true
    by artist: Leng Tch'e
    in album: The Process of Elimination
      type: MusicAlbum
      date published: 2005-06-28
    genre: death metal
    genre: grindcore
    isrc code: US2640564801
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958838
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2640564801
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T09:24:20Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b95c9dad2dbfafc893055488e4057ae5c924fea1f4f42567fe77e46df9b6d5a. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T09:24:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2640564801.
      date published: 2026-07-20T09:24:20Z
    audio: The Fist of the Leng Tch'e
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 110.71
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.295
      additional property: Energy
        type: PropertyValue
        value: 0.958
      additional property: Speechiness
        type: PropertyValue
        value: 0.176
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.475
      additional property: Liveness
        type: PropertyValue
        value: 0.654
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.197
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.977
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Marasmus
  type: MusicAlbum
  date published: 2007-03-12
album: The Hand That Strangles
  type: MusicAlbum
  date published: 2009
album: Hypomanic
  type: MusicAlbum
  date published: 2010
album: Hypomanic
  type: MusicAlbum
  date published: 2010
album: Hypomanic
  type: MusicAlbum
  date published: 2010-05-24
album: Gundog Allegiance
  type: MusicAlbum
  date published: 2017-05-25
album: Gundog Allegiance
  type: MusicAlbum
  date published: 2017-06-09
album: Cirrhosis
  type: MusicAlbum
  date published: 2017-06-23
album: Cirrhosis
  type: MusicAlbum
  date published: 2017-06-23
album: Stentor of Doom
  type: MusicAlbum
  date published: 2017-07-28
album: Stentor of Doom
  type: MusicAlbum
  date published: 2017-08-01
album: Razorgrind
  type: MusicAlbum
  date published: 2017-08-25
album: Razorgrind
  type: MusicAlbum
  date published: 2017-08-25