Semmy Van Heusden
type: MusicGroup
popularity: 9
followers: 83
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x186da3b721f6dea5f8e0ca7f25b013a05e3e7c8bedf8044b045be7059a9b989b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/949f28a8-7eb4-4c27-b88c-bde3ee826257.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/949f28a8-7eb4-4c27-b88c-bde3ee826257.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/949f28a8-7eb4-4c27-b88c-bde3ee826257
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x186da3b721f6dea5f8e0ca7f25b013a05e3e7c8bedf8044b045be7059a9b989b","name":"Semmy Van Heusden","registered_at":"2026-06-17T17:17:06Z","symbol":"NIM1464392","token_address":"0xa0b59859a8a0576ab39ec13210bd749d46ff3872","type":"artist","uuid":"949f28a8-7eb4-4c27-b88c-bde3ee826257"}
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 0x186da3b721f6dea5f8e0ca7f25b013a05e3e7c8bedf8044b045be7059a9b989b. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/949f28a8-7eb4-4c27-b88c-bde3ee826257.json and https://artists.proofprofile.net/proofs/artist/949f28a8-7eb4-4c27-b88c-bde3ee826257.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0x186da3b721f6dea5f8e0ca7f25b013a05e3e7c8bedf8044b045be7059a9b989b","name":"Semmy Van Heusden","registered_at":"2026-06-17T17:17:06Z","symbol":"NIM1464392","token_address":"0xa0b59859a8a0576ab39ec13210bd749d46ff3872","type":"artist","uuid":"949f28a8-7eb4-4c27-b88c-bde3ee826257"}
album: Mijn Story
  type: MusicAlbum
  date published: 2022-10-11
album: Sterren in De Nacht
  type: MusicAlbum
  date published: 2023-12-10
album: Heet Gemaakt
  type: MusicAlbum
  date published: 2024-01-06
album: Sleepy Guy
  type: MusicAlbum
  date published: 2024-01-15
album: Better Days
  type: MusicAlbum
  date published: 2024-01-24
album: Therapy
  type: MusicAlbum
  date published: 2024-02-12
album: The Last Laugh
  type: MusicAlbum
  date published: 2024-02-29
album: Cancelled
  type: MusicAlbum
  date published: 2024-03-27
album: Love Is Fake
  type: MusicAlbum
  date published: 2024-04-29
album: Fuck You
  type: MusicAlbum
  date published: 2024-06-14
album: Coco Plaza
  type: MusicAlbum
  date published: 2024-07-22
album: Zaza
  type: MusicAlbum
  date published: 2024-08-23
album: Mystery Flight
  type: MusicAlbum
  date published: 2024-10-09
album: Private Island
  type: MusicAlbum
  date published: 2024-11-14
album: Confession
  type: MusicAlbum
  date published: 2024-12-01
album: Lara
  type: MusicAlbum
  date published: 2024-12-04
album: De Glazen Omhoog
  type: MusicAlbum
  date published: 2024-12-22
  track: De Glazen Omhoog
    type: MusicRecording
    duration: PT2M10S
    duration ms: 130526
    explicit: false
    by artist: Semmy Van Heusden
    in album: De Glazen Omhoog
      type: MusicAlbum
      date published: 2024-12-22
    isrc code: TCAJC2420709
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T04:25:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x87a5a89519d382f0642ffdc99e943e50499e9131d92eb4376c76f35c3a8ec410
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956891
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956891
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJC2420709
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T07:16:32Z
    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 0x87a5a89519d382f0642ffdc99e943e50499e9131d92eb4376c76f35c3a8ec410. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/TCAJC2420709.
      date published: 2026-07-06T07:16:32Z
    audio: De Glazen Omhoog
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 155.018
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.587
      additional property: Energy
        type: PropertyValue
        value: 0.742
      additional property: Speechiness
        type: PropertyValue
        value: 0.062
      additional property: Acousticness
        type: PropertyValue
        value: 0.048
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.318
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.67
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.957
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Miami
  type: MusicAlbum
  date published: 2024-12-31
album: Daydream
  type: MusicAlbum
  date published: 2025-02-12
album: Hard to Be Friendly
  type: MusicAlbum
  date published: 2025-02-23
album: Fading Light
  type: MusicAlbum
  date published: 2025-03-10
  track: Fading Light
    type: MusicRecording
    duration: PT2M44S
    duration ms: 164210
    explicit: false
    by artist: Semmy Van Heusden
    in album: Fading Light
      type: MusicAlbum
      date published: 2025-03-10
    isrc code: TCAJI2588611
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T05:53:51+00:00
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Fading Light
album: Paradise
album: Walk Away
album: Things U Said
album: No Good
album: Touch the Sky
album: Ctrl

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xd94136228d2e395b489a7d6556a4a50e2f2069f466f804960abbddfca6e2e239

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956790

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956790

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJI2588611

OTSTimestamp
type: PropertyValue
value: 2026-07-05T12:31:54Z

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 0xd94136228d2e395b489a7d6556a4a50e2f2069f466f804960abbddfca6e2e239. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/TCAJI2588611.
date published: 2026-07-05T12:31:54Z

Fading Light
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 152.014
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: 0.687
additional property: Energy
  type: PropertyValue
  value: 0.507
additional property: Speechiness
  type: PropertyValue
  value: 0.035
additional property: Acousticness
  type: PropertyValue
  value: 0.019
additional property: Instrumentalness
  type: PropertyValue
  value: 0.001
additional property: Liveness
  type: PropertyValue
  value: 0.108
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.228
additional property: Loudness (dB)
  type: PropertyValue
  value: -10.948
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Paradise
type: MusicAlbum
date published: 2025-03-17
track: Paradise
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188630
  explicit: false
  by artist: Semmy Van Heusden
  in album: Paradise
    type: MusicAlbum
    date published: 2025-03-17
  isrc code: TCAJI2588443
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T02:50:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1aed73d80a5a732da3c7636d9873250ef8662e49a9c57ed6344336d44d88f6fa
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958955
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958955
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJI2588443
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T03:03:40Z
  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 0x1aed73d80a5a732da3c7636d9873250ef8662e49a9c57ed6344336d44d88f6fa. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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/TCAJI2588443.
    date published: 2026-07-21T03:03:40Z
  audio: Paradise
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 84.038
    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: 0.681
    additional property: Energy
      type: PropertyValue
      value: 0.635
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.294
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.727
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.083
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Walk Away
type: MusicAlbum
date published: 2025-04-01
track: Walk Away
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173807
  explicit: false
  by artist: Semmy Van Heusden
  in album: Walk Away
    type: MusicAlbum
    date published: 2025-04-01
  isrc code: TCAJM2592255
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T03:53:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7dd59af5d2fb0b2bbb93054db5a1f50c84e550ef288c571a71614001696da9fd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956476
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956476
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJM2592255
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T09:04:44Z
  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 0x7dd59af5d2fb0b2bbb93054db5a1f50c84e550ef288c571a71614001696da9fd. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/TCAJM2592255.
    date published: 2026-07-03T09:04:44Z
  audio: Walk Away
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 172.921
    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: 0.56
    additional property: Energy
      type: PropertyValue
      value: 0.686
    additional property: Speechiness
      type: PropertyValue
      value: 0.056
    additional property: Acousticness
      type: PropertyValue
      value: 0.035
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.087
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.637
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.387
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Things U Said
type: MusicAlbum
date published: 2025-06-12

No Good
type: MusicAlbum
date published: 2025-07-15

Touch the Sky
type: MusicAlbum
date published: 2025-08-18

Ctrl
type: MusicAlbum
date published: 2025-10-14