Elz Bakker
type: MusicGroup
popularity: 17
followers: 1960
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x051e7ce9f79ec2336e2b3c9d2a0aac55b9a8e2276c01cf0b6671a452b961e572
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953758
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953758
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b134d722-6b06-453d-a7a0-ef5e55de9e8c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b134d722-6b06-453d-a7a0-ef5e55de9e8c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b134d722-6b06-453d-a7a0-ef5e55de9e8c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T07:48:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x051e7ce9f79ec2336e2b3c9d2a0aac55b9a8e2276c01cf0b6671a452b961e572","name":"Elz Bakker","registered_at":"2026-06-14T23:04:08Z","symbol":"NIM0604642","token_address":"0xaf7c405041cae4cd2fe2f65e43d64e67e42a2a56","type":"artist","uuid":"b134d722-6b06-453d-a7a0-ef5e55de9e8c"}
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 0x051e7ce9f79ec2336e2b3c9d2a0aac55b9a8e2276c01cf0b6671a452b961e572. 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/b134d722-6b06-453d-a7a0-ef5e55de9e8c.json and https://artists.proofprofile.net/proofs/artist/b134d722-6b06-453d-a7a0-ef5e55de9e8c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0x051e7ce9f79ec2336e2b3c9d2a0aac55b9a8e2276c01cf0b6671a452b961e572","name":"Elz Bakker","registered_at":"2026-06-14T23:04:08Z","symbol":"NIM0604642","token_address":"0xaf7c405041cae4cd2fe2f65e43d64e67e42a2a56","type":"artist","uuid":"b134d722-6b06-453d-a7a0-ef5e55de9e8c"}
album: Mijn Kind
  type: MusicAlbum
  date published: 2006
album: Mijn Kind
  type: MusicAlbum
  date published: 2006-05-22
album: Ik wil m'n tranen nu vergeten
  type: MusicAlbum
  date published: 2008-05-27
album: Honderdduizend Jaren
  type: MusicAlbum
  date published: 2008-10-01
album: Honderdduizend jaren
  type: MusicAlbum
  date published: 2008-10-07
album: Zoveel Mooie Woorden
  type: MusicAlbum
  date published: 2009-11-18
album: Met Zoveel Woorden
  type: MusicAlbum
  date published: 2009-12-08
album: Je Kan Niet Eens Fatsoenlijk Liegen
  type: MusicAlbum
  date published: 2011-04-21
album: Je Kan Niet Eens Fatsoenlijk Liegen
  type: MusicAlbum
  date published: 2011-04-21
  track: Je Kan Niet Eens Fatsoenlijk Liegen
    type: MusicRecording
    duration: PT3M25S
    duration ms: 205000
    explicit: false
    by artist: Elz Bakker
    in album: Je Kan Niet Eens Fatsoenlijk Liegen
      type: MusicAlbum
      date published: 2011-04-21
    isrc code: NLQ271100025
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T07:11:20+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x989890415eff51d046192391353c503d8a8e8f1a180dfec6a62f884ada37da81
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958517
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958517
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQ271100025
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T07:54:29Z
    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 0x989890415eff51d046192391353c503d8a8e8f1a180dfec6a62f884ada37da81. Chain 2 (Bitcoin): anchored in block 958517 (2026-07-18T07:54:29Z), 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/NLQ271100025.
      date published: 2026-07-18T07:54:29Z
    audio: Je Kan Niet Eens Fatsoenlijk Liegen
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 121.01
      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: 0.703
      additional property: Energy
        type: PropertyValue
        value: 0.872
      additional property: Speechiness
        type: PropertyValue
        value: 0.04
      additional property: Acousticness
        type: PropertyValue
        value: 0.237
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.094
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.863
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.232
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Laat Mij Voor Jou De Laatste Zijn
  type: MusicAlbum
  date published: 2011-08-25
album: Laat Mij Voor Jou De Laatste Zijn
  type: MusicAlbum
  date published: 2011-08-25
album: Met Jou Alleen
  type: MusicAlbum
  date published: 2012-03-15
album: Met Jou Alleen
  type: MusicAlbum
  date published: 2012-04-11
album: Alles Komt Goed
  type: MusicAlbum
  date published: 2012-04-24
  track: Je Hebt Wel 1000x Gelogen
    type: MusicRecording
    duration: PT3M21S
    duration ms: 201000
    explicit: false
    by artist: Elz Bakker
    in album: Alles Komt Goed
      type: MusicAlbum
      date published: 2012-04-24
    isrc code: NLD980300003
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T16:53:10+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf4e9287e579ad91d2f1090314c9e80c0ce384eb5be6da1e1cfaabc85c83c3748
    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/NLD980300003
    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 0xf4e9287e579ad91d2f1090314c9e80c0ce384eb5be6da1e1cfaabc85c83c3748. 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/NLD980300003.
      date published: 2026-07-05T19:27:56Z
    audio: Je Hebt Wel 1000x Gelogen
  track: Kleine Jongen, Speel Voor Mij Viool
album: Een Tweede Kans
album: Als Je Gaat
album: Een Kater
album: Draai Maar In 't Rond
album: Draai Maar In `t Rond
album: het Is Klaar
album: Toch blijf ik altijd dromen
album: Lieveling
album: Kijk me Aan
album: Laat Ze Maar Praten
album: Ik Dacht Dat Ik Iets Moois Bezat
album: 'N Heel Klein Sterretje

Je Hebt Wel 1000x Gelogen
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 117.905
additional property: Musical Key
  type: PropertyValue
  value: 10
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.651
additional property: Energy
  type: PropertyValue
  value: 0.746
additional property: Speechiness
  type: PropertyValue
  value: 0.028
additional property: Acousticness
  type: PropertyValue
  value: 0.071
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.179
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.568
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.653
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Major

Kleine Jongen, Speel Voor Mij Viool
type: MusicRecording
duration: PT3M56S
duration ms: 236000
explicit: false
by artist: Elz Bakker
in album: Alles Komt Goed
  type: MusicAlbum
  date published: 2012-04-24
isrc code: NLD980300016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T19:45:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ed60e77b657f57da13bdf4ae9304c08f63042cc0fdbc5eefa4ea7e98a525c42
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956738
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956738
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLD980300016
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T04:47:21Z
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 0x8ed60e77b657f57da13bdf4ae9304c08f63042cc0fdbc5eefa4ea7e98a525c42. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/NLD980300016.
  date published: 2026-07-05T04:47:21Z
audio: Kleine Jongen, Speel Voor Mij Viool
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.06
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.591
  additional property: Energy
    type: PropertyValue
    value: 0.622
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.366
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.533
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.128
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Alles Komt Goed
type: MusicAlbum
date published: 2012-04-25

Een Tweede Kans
type: MusicAlbum
date published: 2012-10-18

Een Tweede Kans
type: MusicAlbum
date published: 2012-10-24

Als Je Gaat
type: MusicAlbum
date published: 2012-12-07

Een Kater
type: MusicAlbum
date published: 2013-06-13

Een Kater
type: MusicAlbum
date published: 2013-06-13

Draai Maar In 't Rond
type: MusicAlbum
date published: 2014-11-06

Draai Maar In `t Rond
type: MusicAlbum
date published: 2014-11-06

het Is Klaar
type: MusicAlbum
date published: 2016-06-16

het Is Klaar
type: MusicAlbum
date published: 2016-06-16

Toch blijf ik altijd dromen
type: MusicAlbum
date published: 2017-03-30
track: Toch blijf ik altijd dromen
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202000
  explicit: false
  by artist: Elz Bakker
  in album: Toch blijf ik altijd dromen
    type: MusicAlbum
    date published: 2017-03-30
  isrc code: NLQ271700357
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T05:31:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb6019a6fca58ca31c0af931aa3fa93a139bc59896d4cf682faf756af1376af74
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958110
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958110
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQ271700357
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T06:57:12Z
  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 0xb6019a6fca58ca31c0af931aa3fa93a139bc59896d4cf682faf756af1376af74. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/NLQ271700357.
    date published: 2026-07-15T06:57:12Z
  audio: Toch blijf ik altijd dromen
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.038
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.627
    additional property: Energy
      type: PropertyValue
      value: 0.936
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.081
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.327
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.732
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.486
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Toch blijf ik altijd dromen
type: MusicAlbum
date published: 2017-03-30

Lieveling
type: MusicAlbum
date published: 2018-03-29

Lieveling
type: MusicAlbum
date published: 2018-03-29

Kijk me Aan
type: MusicAlbum
date published: 2018-09-20

Kijk me Aan
type: MusicAlbum
date published: 2018-09-20
track: Kijk Me Aan
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172000
  explicit: false
  by artist: Elz Bakker
  in album: Kijk me Aan
    type: MusicAlbum
    date published: 2018-09-20
  isrc code: NLQ271800104
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T20:09:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb5d2583d84ddbff8dc013d198dad269474f1443c764f5bd3179ed8e00e7974a1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958060
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958060
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQ271800104
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T20:39:42Z
  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 0xb5d2583d84ddbff8dc013d198dad269474f1443c764f5bd3179ed8e00e7974a1. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/NLQ271800104.
    date published: 2026-07-14T20:39:42Z
  audio: Kijk Me Aan
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.145
    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: 0.697
    additional property: Energy
      type: PropertyValue
      value: 0.861
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.104
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.085
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.967
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.964
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Laat Ze Maar Praten
type: MusicAlbum
date published: 2019-11-06

Laat Ze Maar Praten
type: MusicAlbum
date published: 2019-11-06

Ik Dacht Dat Ik Iets Moois Bezat
type: MusicAlbum
date published: 2020-05-06
track: Ik Dacht Dat Ik Iets Moois Bezat
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226979
  explicit: false
  by artist: Elz Bakker
  in album: Ik Dacht Dat Ik Iets Moois Bezat
    type: MusicAlbum
    date published: 2020-05-06
  isrc code: NLZ292000095
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T15:29:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6b61cf25ae0fe3e26e9ca9272174a3feaf7c46d9d8c612266997aebc0044c5d1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958300
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958300
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLZ292000095
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T16:14:30Z
  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 0x6b61cf25ae0fe3e26e9ca9272174a3feaf7c46d9d8c612266997aebc0044c5d1. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/NLZ292000095.
    date published: 2026-07-16T16:14:30Z
  audio: Ik Dacht Dat Ik Iets Moois Bezat
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 96.031
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.608
    additional property: Energy
      type: PropertyValue
      value: 0.876
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.021
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.421
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.903
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.599
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

Ik Dacht Dat Ik Iets Moois Bezat
type: MusicAlbum
date published: 2020-05-06

'N Heel Klein Sterretje
type: MusicAlbum
date published: 2022-05-04

'N Heel Klein Sterretje
type: MusicAlbum
date published: 2022-05-04