Harbinger
type: MusicGroup
genre: deathcore
description: A harbinger is a forerunner or forewarning, but may also refer to: Companies Harbinger (company), an American automotive manufacturing company Harbinger Corp., an Internet-oriented business Harb
popularity: 22
followers: 14620
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x226516146a41c038aa4885af757a484e83d0a5b73f9e72af80aa1a4d51aea129
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5989e526-2cac-4129-9d16-56c526cb5e7e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5989e526-2cac-4129-9d16-56c526cb5e7e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5989e526-2cac-4129-9d16-56c526cb5e7e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0x226516146a41c038aa4885af757a484e83d0a5b73f9e72af80aa1a4d51aea129. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5989e526-2cac-4129-9d16-56c526cb5e7e.json and https://artists.proofprofile.net/proofs/artist/5989e526-2cac-4129-9d16-56c526cb5e7e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Cassiopeia
  type: MusicAlbum
  date published: 2013-03-07
album: Human Wisdom
  type: MusicAlbum
  date published: 2015-10-23
album: Paroxysm
  type: MusicAlbum
  date published: 2016-06-03
album: The End of Time
  type: MusicAlbum
  date published: 2017-04-12
album: Human Dust
  type: MusicAlbum
  date published: 2017-06-16
album: Human Dust
  type: MusicAlbum
  date published: 2017-06-16
album: Darkest Days
  type: MusicAlbum
  date published: 2018-03-23
album: Burn It Down
  type: MusicAlbum
  date published: 2018-06-04
album: The Awakening
  type: MusicAlbum
  date published: 2019-03-11
album: Compelled to Suffer
  type: MusicAlbum
  date published: 2019-04-26
album: Descendants
  type: MusicAlbum
  date published: 2019-05-17
album: Compelled to Suffer
  type: MusicAlbum
  date published: 2019-05-17
album: Desperation Dear
  type: MusicAlbum
  date published: 2019-05-17
album: Compelled To Suffer (Instrumental)
  type: MusicAlbum
  date published: 2021-06-04
  track: Compelled To Suffer - Instrumental
    type: MusicRecording
    duration: PT4M15S
    duration ms: 255744
    explicit: false
    by artist: Harbinger
    in album: Compelled To Suffer (Instrumental)
      type: MusicAlbum
      date published: 2021-06-04
    genre: deathcore
    isrc code: GBMJG2110035
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T09:21:10+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x33852c18a79587b5fb6fbee751540612d460887d56180718f37fedc52c088bf3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958711
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958711
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG2110035
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T09:26:32Z
    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 0x33852c18a79587b5fb6fbee751540612d460887d56180718f37fedc52c088bf3. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/GBMJG2110035.
      date published: 2026-07-19T09:26:32Z
    audio: Compelled To Suffer - Instrumental
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 141.024
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.402
      additional property: Energy
        type: PropertyValue
        value: 0.981
      additional property: Speechiness
        type: PropertyValue
        value: 0.116
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.88
      additional property: Liveness
        type: PropertyValue
        value: 0.079
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.102
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.987
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Hate File
  type: MusicAlbum
  date published: 2021-12-10
album: Guiltless
  type: MusicAlbum
  date published: 2022-01-21
album: Guile
  type: MusicAlbum
  date published: 2022-03-09
  track: Guile
    type: MusicRecording
    duration: PT4M32S
    duration ms: 272866
    explicit: false
    by artist: Harbinger
    in album: Guile
      type: MusicAlbum
      date published: 2022-03-09
    genre: deathcore
    isrc code: GBMJG2124630
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T13:27:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x78e055592b149341855ad51e4e0328e2f5f519319c25872c90d3f24b0cc7e666
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958166
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958166
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Guile
album: Prayer Of Deliverance
album: A Letter To Anguish
album: No Vermin

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG2124630

OTSTimestamp
type: PropertyValue
value: 2026-07-15T16:29:59Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78e055592b149341855ad51e4e0328e2f5f519319c25872c90d3f24b0cc7e666. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T16:29:59Z), 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/GBMJG2124630.
date published: 2026-07-15T16:29:59Z

Guile
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 175.098
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.168
additional property: Energy
  type: PropertyValue
  value: 0.98
additional property: Speechiness
  type: PropertyValue
  value: 0.177
additional property: Acousticness
  type: PropertyValue
  value: 0
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.056
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.136
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.126
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Major

Prayer Of Deliverance
type: MusicAlbum
date published: 2022-04-13

A Letter To Anguish
type: MusicAlbum
date published: 2022-05-25
track: Prayer Of Deliverance
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279080
  explicit: false
  by artist: Harbinger
  in album: A Letter To Anguish
    type: MusicAlbum
    date published: 2022-05-25
  genre: deathcore
  isrc code: GBMJG2124629
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T21:44:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1518d3a78c4c25f32fde600223fb66734dce2a569e3e0d8fe2c161a3d316d5c9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958074
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958074
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG2124629
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T22:45:25Z
  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 0x1518d3a78c4c25f32fde600223fb66734dce2a569e3e0d8fe2c161a3d316d5c9. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/GBMJG2124629.
    date published: 2026-07-14T22:45:25Z
  audio: Prayer Of Deliverance
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 90.029
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.464
    additional property: Energy
      type: PropertyValue
      value: 0.965
    additional property: Speechiness
      type: PropertyValue
      value: 0.125
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.283
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.287
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.262
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Hate File
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203613
  explicit: false
  by artist: Harbinger
  in album: A Letter To Anguish
    type: MusicAlbum
    date published: 2022-05-25
  genre: deathcore
  isrc code: GBMJG2123017
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T02:23:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7473348fa03f6a2e90dda0ee6826e9172956a87e419af1a1db75eebe09f85887
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958484
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958484
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG2123017
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T03:34:53Z
  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 0x7473348fa03f6a2e90dda0ee6826e9172956a87e419af1a1db75eebe09f85887. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/GBMJG2123017.
    date published: 2026-07-18T03:34:53Z
  audio: Hate File
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.214
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.284
    additional property: Energy
      type: PropertyValue
      value: 0.977
    additional property: Speechiness
      type: PropertyValue
      value: 0.208
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.188
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.274
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.263
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: A Letter To Anguish
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211253
  explicit: false
  by artist: Harbinger
  in album: A Letter To Anguish
    type: MusicAlbum
    date published: 2022-05-25
  genre: deathcore
  isrc code: GBMJG2124632
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T21:04:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc2efd76a75e6f4477f0f9ead2c483e31eca5272929d151cc8de8cf5de16ef785
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956402
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956402
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: A Letter To Anguish

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG2124632

OTSTimestamp
type: PropertyValue
value: 2026-07-17T03:42:27Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2efd76a75e6f4477f0f9ead2c483e31eca5272929d151cc8de8cf5de16ef785. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T03:42:27Z), 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/GBMJG2124632.
date published: 2026-07-17T03:42:27Z

A Letter To Anguish
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 150.045
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.35
additional property: Energy
  type: PropertyValue
  value: 0.988
additional property: Speechiness
  type: PropertyValue
  value: 0.169
additional property: Acousticness
  type: PropertyValue
  value: 0
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.279
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.113
additional property: Loudness (dB)
  type: PropertyValue
  value: -3.882
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

No Vermin
type: MusicAlbum
date published: 2025-01-29