HOLLOWFY
type: MusicGroup
genre: deathstep
popularity: 13
followers: 645
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf1e5e85b44a1b14689348f2264255dd35d703c5510b86c92e1e2be02155305de
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953741
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953741
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/99d1813d-f067-42a8-a7cb-b063959bef10.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/99d1813d-f067-42a8-a7cb-b063959bef10.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/99d1813d-f067-42a8-a7cb-b063959bef10
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:44:49Z
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 0xf1e5e85b44a1b14689348f2264255dd35d703c5510b86c92e1e2be02155305de. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/99d1813d-f067-42a8-a7cb-b063959bef10.json and https://artists.proofprofile.net/proofs/artist/99d1813d-f067-42a8-a7cb-b063959bef10.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
album: Voices
  type: MusicAlbum
  date published: 2024-09-13
album: DAMNATION
  type: MusicAlbum
  date published: 2024-10-30
album: Buff It Out
  type: MusicAlbum
  date published: 2024-12-04
album: Malediction
  type: MusicAlbum
  date published: 2025-01-08
album: Levitate
  type: MusicAlbum
  date published: 2025-02-04
  track: Levitate
    type: MusicRecording
    duration: PT2M51S
    duration ms: 171676
    explicit: false
    by artist: HOLLOWFY
    in album: Levitate
      type: MusicAlbum
      date published: 2025-02-04
    genre: deathstep
    isrc code: QZPEW2531785
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-02T21:25:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x17f68c9221e61030d466c1709f45c5f82800bba45dff928c8f5126c4f70eb300
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956405
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956405
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZPEW2531785
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T22:22:35Z
    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 0x17f68c9221e61030d466c1709f45c5f82800bba45dff928c8f5126c4f70eb300. Chain 2 (Bitcoin): anchored in block 956405 (2026-07-02T22:22:35Z), 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/QZPEW2531785.
      date published: 2026-07-02T22:22:35Z
    audio: Levitate
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 139.972
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.325
      additional property: Energy
        type: PropertyValue
        value: 0.995
      additional property: Speechiness
        type: PropertyValue
        value: 0.242
      additional property: Acousticness
        type: PropertyValue
        value: 0.002
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.27
      additional property: Liveness
        type: PropertyValue
        value: 0.712
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.053
      additional property: Loudness (dB)
        type: PropertyValue
        value: -2.344
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: SOUL REAPER
  type: MusicAlbum
  date published: 2025-04-09
  track: SOUL REAPER
    type: MusicRecording
    duration: PT3M53S
    duration ms: 233142
    explicit: false
    by artist: HOLLOWFY
    in album: SOUL REAPER
      type: MusicAlbum
      date published: 2025-04-09
    genre: deathstep
    isrc code: QZVEM2536081
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T01:46:36+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x73ad000f37a1043a8449b6b084823325e8170646b39c3f9b9aa049db6ced33db
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956474
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956474
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZVEM2536081
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T08:56:35Z
    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 0x73ad000f37a1043a8449b6b084823325e8170646b39c3f9b9aa049db6ced33db. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZVEM2536081.
      date published: 2026-07-03T08:56:35Z
    audio: SOUL REAPER
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 139.983
      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: 0.577
      additional property: Energy
        type: PropertyValue
        value: 0.997
      additional property: Speechiness
        type: PropertyValue
        value: 0.146
      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: BERSERKER
album: SMILE

Acousticness
type: PropertyValue
value: 0.002

Instrumentalness
type: PropertyValue
value: 0.898

Liveness
type: PropertyValue
value: 0.905

Valence (Positivity)
type: PropertyValue
value: 0.112

Loudness (dB)
type: PropertyValue
value: -2.447

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

BERSERKER
type: MusicAlbum
date published: 2025-08-27
track: BERSERKER
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177777
  explicit: false
  by artist: HOLLOWFY
  in album: BERSERKER
    type: MusicAlbum
    date published: 2025-08-27
  genre: deathstep
  isrc code: QT4K42522545
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T03:47:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2d4c94be6813e9a55fae2779f3109212c368e80d06c6a65744eeb16a9783fa3b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956889
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT4K42522545
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  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 0x2d4c94be6813e9a55fae2779f3109212c368e80d06c6a65744eeb16a9783fa3b. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QT4K42522545.
    date published: 2026-07-06T06:56:49Z
  audio: BERSERKER
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 134.912
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.372
    additional property: Energy
      type: PropertyValue
      value: 0.994
    additional property: Speechiness
      type: PropertyValue
      value: 0.452
    additional property: Acousticness
      type: PropertyValue
      value: 0.009
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.03
    additional property: Liveness
      type: PropertyValue
      value: 0.448
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.148
    additional property: Loudness (dB)
      type: PropertyValue
      value: -1.107
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor

SMILE
type: MusicAlbum
date published: 2025-10-30