Heleen van den Hombergh
type: MusicGroup
popularity: 19
followers: 466
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39366138a5f889f71cc35e029c76484be99cd04eedc334b164920a580ef686d9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953827
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953827
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e01bc6d6-da72-437e-8730-b8fda01ad944.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e01bc6d6-da72-437e-8730-b8fda01ad944.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e01bc6d6-da72-437e-8730-b8fda01ad944
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T19:59:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x39366138a5f889f71cc35e029c76484be99cd04eedc334b164920a580ef686d9","name":"Heleen van den Hombergh","registered_at":"2026-06-15T04:05:37Z","symbol":"NIM0676658","token_address":"0xaf8bde0bd6602a0c2dbb5a87f7ed128175e98707","type":"artist","uuid":"e01bc6d6-da72-437e-8730-b8fda01ad944"}
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 0x39366138a5f889f71cc35e029c76484be99cd04eedc334b164920a580ef686d9. Chain 2 (Bitcoin): anchored in block 953842 (2026-06-15T22:22:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e01bc6d6-da72-437e-8730-b8fda01ad944.json and https://artists.proofprofile.net/proofs/artist/e01bc6d6-da72-437e-8730-b8fda01ad944.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T22:22:30Z
  text: {"copyright_id":"0x39366138a5f889f71cc35e029c76484be99cd04eedc334b164920a580ef686d9","name":"Heleen van den Hombergh","registered_at":"2026-06-15T04:05:37Z","symbol":"NIM0676658","token_address":"0xaf8bde0bd6602a0c2dbb5a87f7ed128175e98707","type":"artist","uuid":"e01bc6d6-da72-437e-8730-b8fda01ad944"}
album: Heard in the Scene
  type: MusicAlbum
  date published: 2002
album: Rush in the Woods! - Songs Inspired by the Tropical Rainforest
  type: MusicAlbum
  date published: 2004
album: Way Back Home
  type: MusicAlbum
  date published: 2011-11-19
album: Songs for a Rainy Day
  type: MusicAlbum
  date published: 2018-02-11
album: Blue Lifeblood
  type: MusicAlbum
  date published: 2018-11-25
album: Orange Blossom Scent (2024 Remix)
  type: MusicAlbum
  date published: 2024-05-31
album: Wherever He Set Foot
  type: MusicAlbum
  date published: 2024-09-20
album: Spy in the Screen
  type: MusicAlbum
  date published: 2024-10-18
  track: Spy in the Screen
    type: MusicRecording
    duration: PT4M11S
    duration ms: 251000
    explicit: false
    by artist: Heleen van den Hombergh
    in album: Spy in the Screen
      type: MusicAlbum
      date published: 2024-10-18
    isrc code: USL4R2454049
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T13:48:10+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8813b65a97279bf85872ec3899bb99b5f8ebca77d85b6cc168aa7b363aca27fd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956551
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956551
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R2454049
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T21:18:05Z
    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 0x8813b65a97279bf85872ec3899bb99b5f8ebca77d85b6cc168aa7b363aca27fd. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/USL4R2454049.
      date published: 2026-07-03T21:18:05Z
    audio: Spy in the Screen
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 135.026
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.627
      additional property: Energy
        type: PropertyValue
        value: 0.583
      additional property: Speechiness
        type: PropertyValue
        value: 0.054
      additional property: Acousticness
        type: PropertyValue
        value: 0.356
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.004
      additional property: Liveness
        type: PropertyValue
        value: 0.058
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.732
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.543
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: The Gorging Gene
  type: MusicAlbum
  date published: 2024-11-15
  track: The Gorging Gene
    type: MusicRecording
    duration: PT3M43S
    duration ms: 223000
    explicit: false
    by artist: Heleen van den Hombergh
    in album: The Gorging Gene
      type: MusicAlbum
      date published: 2024-11-15
    isrc code: USX9P2467676
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-11T12:17:02+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x20007aa158eb14626b887d233a148dc5961935d2cc97d8d5da27686b0c2f86b9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957569
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957569
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P2467676
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-11T12:44:25Z
    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 0x20007aa158eb14626b887d233a148dc5961935d2cc97d8d5da27686b0c2f86b9. Chain 2 (Bitcoin): anchored in block 957569 (2026-07-11T12:44:25Z), 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/USX9P2467676.
      date published: 2026-07-11T12:44:25Z
    audio: The Gorging Gene
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 115.016
      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
      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: Sapiens Unlimited

Danceability
type: PropertyValue
value: 0.866

Energy
type: PropertyValue
value: 0.77

Speechiness
type: PropertyValue
value: 0.048

Acousticness
type: PropertyValue
value: 0.034

Instrumentalness
type: PropertyValue
value: 0.002

Liveness
type: PropertyValue
value: 0.033

Valence (Positivity)
type: PropertyValue
value: 0.628

Loudness (dB)
type: PropertyValue
value: -7.065

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Major

Sapiens Unlimited
type: MusicAlbum
date published: 2024-12-19
track: Wherever He Set Foot: Of Album Sapiens Unlimited
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287480
  explicit: false
  by artist: Heleen van den Hombergh
  in album: Sapiens Unlimited
    type: MusicAlbum
    date published: 2024-12-19
  isrc code: USY242469242
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T01:02:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb572d7de4da068e5b5d17ea81c13036a0e160280bab1bd7dcd34bb3dcb3a69d4
  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/USY242469242
  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 0xb572d7de4da068e5b5d17ea81c13036a0e160280bab1bd7dcd34bb3dcb3a69d4. 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/USY242469242.
    date published: 2026-07-18T03:34:53Z
  audio: Wherever He Set Foot: Of Album Sapiens Unlimited
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.968
    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: 0.743
    additional property: Energy
      type: PropertyValue
      value: 0.422
    additional property: Speechiness
      type: PropertyValue
      value: 0.055
    additional property: Acousticness
      type: PropertyValue
      value: 0.611
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.595
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.047
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: The Gorging Gene
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224000
  explicit: false
  by artist: Heleen van den Hombergh
  in album: Sapiens Unlimited
    type: MusicAlbum
    date published: 2024-12-19
  isrc code: USX9P2467676
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x20007aa158eb14626b887d233a148dc5961935d2cc97d8d5da27686b0c2f86b9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958977
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958977
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P2467676
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T06:27:23Z
  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 0x20007aa158eb14626b887d233a148dc5961935d2cc97d8d5da27686b0c2f86b9. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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/USX9P2467676.
    date published: 2026-07-21T06:27:23Z
  audio: The Gorging Gene
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.008
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.863
    additional property: Energy
      type: PropertyValue
      value: 0.641
    additional property: Speechiness
      type: PropertyValue
      value: 0.067
    additional property: Acousticness
      type: PropertyValue
      value: 0.023
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.003
    additional property: Liveness
      type: PropertyValue
      value: 0.038
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.545
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.709
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor