Existence Has Failed
type: MusicGroup
genre: deathcore
genre: death metal
popularity: 11
followers: 9559
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2dc1611bcfaa54e99b7753e5547a9b207701cf46ea9aeb86901fd1426c69e145
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953648
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953648
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4131211b-7aa5-444a-a7ad-3a9ca6a6be7e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4131211b-7aa5-444a-a7ad-3a9ca6a6be7e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4131211b-7aa5-444a-a7ad-3a9ca6a6be7e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T15:20:52Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2dc1611bcfaa54e99b7753e5547a9b207701cf46ea9aeb86901fd1426c69e145","name":"Existence Has Failed","registered_at":"2026-06-14T11:19:20Z","symbol":"NIM0436531","token_address":"0x2ac64de3d41c1b512b63b2ff4eb80a5100defbd4","type":"artist","uuid":"4131211b-7aa5-444a-a7ad-3a9ca6a6be7e"}
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 0x2dc1611bcfaa54e99b7753e5547a9b207701cf46ea9aeb86901fd1426c69e145. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4131211b-7aa5-444a-a7ad-3a9ca6a6be7e.json and https://artists.proofprofile.net/proofs/artist/4131211b-7aa5-444a-a7ad-3a9ca6a6be7e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T15:20:52Z
  text: {"copyright_id":"0x2dc1611bcfaa54e99b7753e5547a9b207701cf46ea9aeb86901fd1426c69e145","name":"Existence Has Failed","registered_at":"2026-06-14T11:19:20Z","symbol":"NIM0436531","token_address":"0x2ac64de3d41c1b512b63b2ff4eb80a5100defbd4","type":"artist","uuid":"4131211b-7aa5-444a-a7ad-3a9ca6a6be7e"}
album: Dreadful
  type: MusicAlbum
  date published: 2015
album: Dreadful Eruption from an Unknown World
  type: MusicAlbum
  date published: 2015-02-03
  track: Ruthless Mutilation
    type: MusicRecording
    duration: PT4M47S
    duration ms: 287555
    explicit: true
    by artist: Existence Has Failed
    in album: Dreadful Eruption from an Unknown World
      type: MusicAlbum
      date published: 2015-02-03
    genre: deathcore
    genre: death metal
    isrc code: QZHN31929735
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T22:31:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5d721c76e0891c639baed46a833392e328dfbeae3302da1ec442f9208c2915c9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958340
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958340
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN31929735
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T00:53:26Z
    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 0x5d721c76e0891c639baed46a833392e328dfbeae3302da1ec442f9208c2915c9. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/QZHN31929735.
      date published: 2026-07-17T00:53:26Z
    audio: Ruthless Mutilation
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.624
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.223
      additional property: Energy
        type: PropertyValue
        value: 0.978
      additional property: Speechiness
        type: PropertyValue
        value: 0.317
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.922
      additional property: Liveness
        type: PropertyValue
        value: 0.229
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.034
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.728
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Dreadful
  type: MusicAlbum
  date published: 2015-02-04
album: Begotten
  type: MusicAlbum
  date published: 2015-09-28
album: Begotten
  type: MusicAlbum
  date published: 2015-09-29
album: Grave Spitter
  type: MusicAlbum
  date published: 2019-10-12
  track: Grave Spitter
    type: MusicRecording
    duration: PT3M59S
    duration ms: 239072
    explicit: true
    by artist: Existence Has Failed
    in album: Grave Spitter
      type: MusicAlbum
      date published: 2019-10-12
    genre: deathcore
    genre: death metal
    isrc code: QZHN71979373
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T21:34:22+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf0398d7e62b3606222f1d760519380cba2051bbf46136d720abea2defcc3bb0c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956857
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956857
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN71979373
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:26:17Z
    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 0xf0398d7e62b3606222f1d760519380cba2051bbf46136d720abea2defcc3bb0c. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZHN71979373.
      date published: 2026-07-06T01:26:17Z
    audio: Grave Spitter
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 154.678
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.208
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Birthrite
album: The Family Heirloom
album: Malice
album: In Solace and Suffering

Energy
type: PropertyValue
value: 0.977

Speechiness
type: PropertyValue
value: 0.149

Acousticness
type: PropertyValue
value: 0

Instrumentalness
type: PropertyValue
value: 0.858

Liveness
type: PropertyValue
value: 0.137

Valence (Positivity)
type: PropertyValue
value: 0.077

Loudness (dB)
type: PropertyValue
value: -5.45

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Birthrite
type: MusicAlbum
date published: 2020-06-23

The Family Heirloom
type: MusicAlbum
date published: 2021-01-04

Birthrite
type: MusicAlbum
date published: 2021-02-04
track: The Family Heirloom
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163000
  explicit: false
  by artist: Existence Has Failed
  in album: Birthrite
    type: MusicAlbum
    date published: 2021-02-04
  genre: deathcore
  genre: death metal
  isrc code: QZFYW2136293
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T16:55:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0e77fc098645c5850113e030b5e697d83dc82f5dff2a03a767410eacb93c9918
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958761
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958761
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYW2136293
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T19:57:26Z
  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 0x0e77fc098645c5850113e030b5e697d83dc82f5dff2a03a767410eacb93c9918. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T19:57:26Z), 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/QZFYW2136293.
    date published: 2026-07-19T19:57:26Z
  audio: The Family Heirloom
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 99.651
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.364
    additional property: Energy
      type: PropertyValue
      value: 0.945
    additional property: Speechiness
      type: PropertyValue
      value: 0.097
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.586
    additional property: Liveness
      type: PropertyValue
      value: 0.293
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.265
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.383
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Malice
type: MusicAlbum
date published: 2022-09-17

In Solace and Suffering
type: MusicAlbum
date published: 2025-09-05