ZWIJMEL
type: MusicGroup
genre: nederpop
popularity: 9
followers: 686
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9fe8a9af9844cf166fa5e66db06075c6006748e3131fedb7eca95a069187bd9e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953841
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953841
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/00167d8a-6266-48b0-9f41-566aebd53418.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/00167d8a-6266-48b0-9f41-566aebd53418.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/00167d8a-6266-48b0-9f41-566aebd53418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T22:20:26Z
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 0x9fe8a9af9844cf166fa5e66db06075c6006748e3131fedb7eca95a069187bd9e. Chain 2 (Bitcoin): anchored in block 953877 (2026-06-16T02:39:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/00167d8a-6266-48b0-9f41-566aebd53418.json and https://artists.proofprofile.net/proofs/artist/00167d8a-6266-48b0-9f41-566aebd53418.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T02:39:16Z
album: PARADIJS
  type: MusicAlbum
  date published: 2020-06-12
album: Ligt Het Aan Mij
  type: MusicAlbum
  date published: 2020-10-02
album: Bitterzoet
  type: MusicAlbum
  date published: 2020-10-23
album: Ander Geluid
  type: MusicAlbum
  date published: 2021-06-25
  track: Ander Geluid
    type: MusicRecording
    duration: PT2M53S
    duration ms: 173987
    explicit: false
    by artist: ZWIJMEL
    in album: Ander Geluid
      type: MusicAlbum
      date published: 2021-06-25
    genre: nederpop
    isrc code: SEYOK2123175
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T15:53:02+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0159ea254db7f4fe5fd7624412f1d2ead9171ccf9be80afdf11ce346d4d459aa
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958169
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958169
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEYOK2123175
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T18:56:01Z
    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 0x0159ea254db7f4fe5fd7624412f1d2ead9171ccf9be80afdf11ce346d4d459aa. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T18:56:01Z), 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/SEYOK2123175.
      date published: 2026-07-15T18:56:01Z
    audio: Ander Geluid
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 150.016
      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
        type: PropertyValue
        value: 0.793
      additional property: Energy
        type: PropertyValue
        value: 0.526
      additional property: Speechiness
        type: PropertyValue
        value: 0.083
      additional property: Acousticness
        type: PropertyValue
        value: 0.471
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.086
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.58
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.021
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Ander Geluid
  type: MusicAlbum
  date published: 2021-06-25
album: Groen
  type: MusicAlbum
  date published: 2021-07-30
album: Tot De Bodem
  type: MusicAlbum
  date published: 2021-09-24
album: Tot De Bodem
  type: MusicAlbum
  date published: 2021-09-24
album: Vloedgolf
  type: MusicAlbum
  date published: 2021-10-29
album: Vloedgolf
  type: MusicAlbum
  date published: 2021-10-29
album: Bitterzoet Pt. 2
  type: MusicAlbum
  date published: 2021-12-03
album: Bitterzoet Pt. 2
  type: MusicAlbum
  date published: 2021-12-03
album: Morgen
  type: MusicAlbum
  date published: 2022-04-01
album: Morgen
  type: MusicAlbum
  date published: 2022-04-01
album: Gezichtsverlies
  type: MusicAlbum
  date published: 2022-05-13
album: Gezichtsverlies
  type: MusicAlbum
  date published: 2022-05-13
album: Overhoop
  type: MusicAlbum
  date published: 2022-07-08
album: Overhoop
  type: MusicAlbum
  date published: 2022-07-08
album: Als Ik Dans
  type: MusicAlbum
  date published: 2022-10-28
album: Rood Licht
  type: MusicAlbum
  date published: 2023-03-17
album: Haast
  type: MusicAlbum
  date published: 2023-06-30
album: Open Raam
  type: MusicAlbum
  date published: 2023-09-15
album: Open Raam
  type: MusicAlbum
  date published: 2023-09-15
album: Tussen De Lakens
  type: MusicAlbum
  date published: 2025-05-02
album: Tafel Voor 2
  type: MusicAlbum
  date published: 2025-06-06
  track: Tafel Voor 2
    type: MusicRecording
    duration: PT2M15S
    duration ms: 135483
    explicit: false
    by artist: ZWIJMEL
    in album: Tafel Voor 2
    genre: nederpop
    isrc code: NL6NV2500002
    additional property: CopyrightID
    additional property: CopyrightStatus
    additional property: CopyrightRegisteredAt
    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: Tafel Voor 2
album: Tunnelvisie

ZWIJMEL
type: MusicGroup

Tafel Voor 2
type: MusicAlbum
date published: 2025-06-06

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-18T01:34:49+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xa384439fb73dc5caab4b51d5af5cec5aa2f9130107b90bafcaf44605a71503d0

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 958480

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958480

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL6NV2500002

OTSTimestamp
type: PropertyValue
value: 2026-07-18T02:58:58Z

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 0xa384439fb73dc5caab4b51d5af5cec5aa2f9130107b90bafcaf44605a71503d0. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/NL6NV2500002.
date published: 2026-07-18T02:58:58Z

Tafel Voor 2
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 123.997
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: 0.864
additional property: Energy
  type: PropertyValue
  value: 0.45
additional property: Speechiness
  type: PropertyValue
  value: 0.058
additional property: Acousticness
  type: PropertyValue
  value: 0.149
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.14
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.878
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.354
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Minor

Tunnelvisie
type: MusicAlbum
date published: 2025-10-03
track: Tunnelvisie
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154838
  explicit: false
  by artist: ZWIJMEL
  in album: Tunnelvisie
    type: MusicAlbum
    date published: 2025-10-03
  genre: nederpop
  isrc code: NL6NV2500003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T12:40:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xec69dfb32756e841e2c953bc7ba9b075aefacfa2c57ec776f4f8201028913fb7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL6NV2500003
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  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 0xec69dfb32756e841e2c953bc7ba9b075aefacfa2c57ec776f4f8201028913fb7. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/NL6NV2500003.
    date published: 2026-07-05T19:27:56Z
  audio: Tunnelvisie
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.007
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.819
    additional property: Energy
      type: PropertyValue
      value: 0.774
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.002
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.29
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.901
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.004
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor