Geen Stempel
type: MusicGroup
popularity: 18
followers: 1245
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4d8fdce839e5786683ad3ed248153c6e2bc558efbfffcbe68d9db3598a8db5d8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953791
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953791
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dc3e034a-825c-4609-9c73-b84da466fa90.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dc3e034a-825c-4609-9c73-b84da466fa90.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dc3e034a-825c-4609-9c73-b84da466fa90
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T13:40:30Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4d8fdce839e5786683ad3ed248153c6e2bc558efbfffcbe68d9db3598a8db5d8","name":"Geen Stempel","registered_at":"2026-06-15T03:40:19Z","symbol":"NIM0670614","token_address":"0x7dd7804e1a8e615521fd07a1439e443c1c22bc83","type":"artist","uuid":"dc3e034a-825c-4609-9c73-b84da466fa90"}
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 0x4d8fdce839e5786683ad3ed248153c6e2bc558efbfffcbe68d9db3598a8db5d8. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dc3e034a-825c-4609-9c73-b84da466fa90.json and https://artists.proofprofile.net/proofs/artist/dc3e034a-825c-4609-9c73-b84da466fa90.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T13:40:30Z
  text: {"copyright_id":"0x4d8fdce839e5786683ad3ed248153c6e2bc558efbfffcbe68d9db3598a8db5d8","name":"Geen Stempel","registered_at":"2026-06-15T03:40:19Z","symbol":"NIM0670614","token_address":"0x7dd7804e1a8e615521fd07a1439e443c1c22bc83","type":"artist","uuid":"dc3e034a-825c-4609-9c73-b84da466fa90"}
album: Sjansen
  type: MusicAlbum
  date published: 2013-12-15
album: Dansen tot 's morgens vroeg
  type: MusicAlbum
  date published: 2014-07-07
album: Sjansen
  type: MusicAlbum
  date published: 2014-08-18
album: Brabo
  type: MusicAlbum
  date published: 2015-01-10
album: De Kroegbaas
  type: MusicAlbum
  date published: 2015-03-13
album: Leef!
  type: MusicAlbum
  date published: 2015-07-03
album: De brugwachter
  type: MusicAlbum
  date published: 2015-12-15
album: Als ze danst
  type: MusicAlbum
  date published: 2016-07-17
album: Blondine
  type: MusicAlbum
  date published: 2017-02-10
album: Confetti
  type: MusicAlbum
  date published: 2018-01-14
  track: Confetti
    type: MusicRecording
    duration: PT2M52S
    duration ms: 172734
    explicit: false
    by artist: Geen Stempel
    in album: Confetti
      type: MusicAlbum
      date published: 2018-01-14
    isrc code: NLKY51800001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T14:28:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x07fe5b7f500116e3e47f34fe388318ee088543d2207ffc80a7298e9a9565b4ff
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956545
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956545
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLKY51800001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    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 0x07fe5b7f500116e3e47f34fe388318ee088543d2207ffc80a7298e9a9565b4ff. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/NLKY51800001.
      date published: 2026-07-03T19:59:51Z
    audio: Confetti
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 145.005
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.762
      additional property: Energy
        type: PropertyValue
        value: 0.935
      additional property: Speechiness
        type: PropertyValue
        value: 0.043
      additional property: Acousticness
        type: PropertyValue
        value: 0.122
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.327
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.816
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.994
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Een manier
  type: MusicAlbum
  date published: 2023-01-19
  track: Een manier
    type: MusicRecording
    duration: PT2M33S
    duration ms: 153515
    explicit: false
    by artist: Geen Stempel
    in album: Een manier
      type: MusicAlbum
      date published: 2023-01-19
    isrc code: NLKY52300001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T10:09:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf844a898c73b6180ee3112db518a7038b1c63c5a676f5e73d0c7c800ea05c157
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956545
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956545
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLKY52300001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    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 0xf844a898c73b6180ee3112db518a7038b1c63c5a676f5e73d0c7c800ea05c157. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/NLKY52300001.
      date published: 2026-07-03T19:59:51Z
    audio: Een manier
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 145.036
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      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

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.665

Energy
type: PropertyValue
value: 0.899

Speechiness
type: PropertyValue
value: 0.045

Acousticness
type: PropertyValue
value: 0.286

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.341

Valence (Positivity)
type: PropertyValue
value: 0.769

Loudness (dB)
type: PropertyValue
value: -4.37

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major