Willem Huisman
type: MusicGroup
popularity: 23
followers: 896
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x09078e39020ee2d943f3df953426fbd4f33bed15f4114cda333610f28f83b56b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b3b83260-9187-4137-b14b-ad948c22982d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b3b83260-9187-4137-b14b-ad948c22982d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b3b83260-9187-4137-b14b-ad948c22982d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x09078e39020ee2d943f3df953426fbd4f33bed15f4114cda333610f28f83b56b","name":"Willem Huisman","registered_at":"2026-06-12T07:43:44Z","symbol":"NIM0231842","token_address":"0xca67f7870e952ad41176d565b79438ea37c9fbc0","type":"artist","uuid":"b3b83260-9187-4137-b14b-ad948c22982d"}
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 0x09078e39020ee2d943f3df953426fbd4f33bed15f4114cda333610f28f83b56b. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b3b83260-9187-4137-b14b-ad948c22982d.json and https://artists.proofprofile.net/proofs/artist/b3b83260-9187-4137-b14b-ad948c22982d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x09078e39020ee2d943f3df953426fbd4f33bed15f4114cda333610f28f83b56b","name":"Willem Huisman","registered_at":"2026-06-12T07:43:44Z","symbol":"NIM0231842","token_address":"0xca67f7870e952ad41176d565b79438ea37c9fbc0","type":"artist","uuid":"b3b83260-9187-4137-b14b-ad948c22982d"}
album: Hey Waar Ga Je Heen
  type: MusicAlbum
  date published: 2008-05-05
  track: Hey Waar Ga Je Heen
    type: MusicRecording
    duration: PT3M15S
    duration ms: 195053
    explicit: false
    by artist: Willem Huisman
    in album: Hey Waar Ga Je Heen
      type: MusicAlbum
      date published: 2008-05-05
    isrc code: NLP421700005
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T09:54:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9a1f4e1054ab63877ff7222965ea1b6a2d053fd5b952831a4a6e77f1331593b8
    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/NLP421700005
    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 0x9a1f4e1054ab63877ff7222965ea1b6a2d053fd5b952831a4a6e77f1331593b8. 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/NLP421700005.
      date published: 2026-07-03T19:59:51Z
    audio: Hey Waar Ga Je Heen
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 115.024
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.46
      additional property: Energy
        type: PropertyValue
        value: 0.912
      additional property: Speechiness
        type: PropertyValue
        value: 0.081
      additional property: Acousticness
        type: PropertyValue
        value: 0.348
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.162
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.911
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.314
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Voor jou
  type: MusicAlbum
  date published: 2008-05-05
  track: Voor jou
    type: MusicRecording
    duration: PT3M20S
    duration ms: 200428
    explicit: false
    by artist: Willem Huisman
    in album: Voor jou
      type: MusicAlbum
      date published: 2008-05-05
    isrc code: NLW2R1720649
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T13:35:16+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2b2e7a8c6a179d3143b55085d717115f10b898794d3220bd683e5949cee0195e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLW2R1720649
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    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 0x2b2e7a8c6a179d3143b55085d717115f10b898794d3220bd683e5949cee0195e. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/NLW2R1720649.
      date published: 2026-07-05T01:12:41Z
    audio: Voor jou
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 99.993
      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: 0.778
      additional property: Energy
        type: PropertyValue
        value: 0.89
      additional property: Speechiness
        type: PropertyValue
        value: 0.052
      additional property: Acousticness
        type: PropertyValue
        value: 0.454
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.096
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.933
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Elke roos
album: In Ons Café
album: Jij Laat De Zon Voor Me Schijnen
album: Liefste
album: Ik voel de liefde
album: hey waar ga je heen
album: Voorbij
album: Lailo
album: Zomerzon
album: Holland Olé
album: M'n kleine meid
album: Laat Je lekker Gaan
album: Waar Ben Jij
album: Hey Schat
album: Baila Señorita
album: Kom Maar Bij Mij
album: Liefde
album: Hey Lekkerding

Loudness (dB)
type: PropertyValue
value: -3.908

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Major

Elke roos
type: MusicAlbum
date published: 2014-07-21

Elke roos
type: MusicAlbum
date published: 2014-07-22

In Ons Café
type: MusicAlbum
date published: 2015-05-01

In Ons Café
type: MusicAlbum
date published: 2015-05-01

Jij Laat De Zon Voor Me Schijnen
type: MusicAlbum
date published: 2015-09-25

Jij Laat De Zon Voor Me Schijnen
type: MusicAlbum
date published: 2015-09-25

Liefste
type: MusicAlbum
date published: 2016-01-07

Liefste
type: MusicAlbum
date published: 2016-01-07

Ik voel de liefde
type: MusicAlbum
date published: 2016-06-25
track: Ik voel de liefde
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184000
  explicit: false
  by artist: Willem Huisman
  in album: Ik voel de liefde
    type: MusicAlbum
    date published: 2016-06-25
  isrc code: NLQ901600036
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T07:51:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x98600f32846bb106c91f0361c26d721f795dc0bd3c2eb9c1ee8db6f58907aae6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLQ901600036
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  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 0x98600f32846bb106c91f0361c26d721f795dc0bd3c2eb9c1ee8db6f58907aae6. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/NLQ901600036.
    date published: 2026-07-04T11:19:20Z
  audio: Ik voel de liefde
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.982
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.719
    additional property: Energy
      type: PropertyValue
      value: 0.96
    additional property: Speechiness
      type: PropertyValue
      value: 0.086
    additional property: Acousticness
      type: PropertyValue
      value: 0.197
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.139
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.8
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.879
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Ik voel de liefde
type: MusicAlbum
date published: 2016-06-25

hey waar ga je heen
type: MusicAlbum
date published: 2017-03-05

Voor jou
type: MusicAlbum
date published: 2017-08-11

Voorbij
type: MusicAlbum
date published: 2018-06-12

Voorbij
type: MusicAlbum
date published: 2018-06-12

Lailo
type: MusicAlbum
date published: 2019-02-09

Lailo
type: MusicAlbum
date published: 2019-02-09

Zomerzon
type: MusicAlbum
date published: 2021-06-04
track: Zomerzon
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183134
  explicit: false
  by artist: Willem Huisman
  in album: Zomerzon
    type: MusicAlbum
    date published: 2021-06-04
  isrc code: NLY8J2100001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T00:47:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe8be1ab106cde86afe238eaef149f2a952ab40a8b52a798a1c089b1e32bd6bba
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958341
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958341
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY8J2100001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T03:48:42Z
  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 0xe8be1ab106cde86afe238eaef149f2a952ab40a8b52a798a1c089b1e32bd6bba. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T03:48:42Z), 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/NLY8J2100001.
    date published: 2026-07-17T03:48:42Z
  audio: Zomerzon
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 128.058
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.696
    additional property: Energy
      type: PropertyValue
      value: 0.925
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.026
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.036
    additional property: Liveness
      type: PropertyValue
      value: 0.075
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.955
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.035
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Holland Olé
type: MusicAlbum
date published: 2021-06-17

M'n kleine meid
type: MusicAlbum
date published: 2021-07-06
track: M'n kleine meid
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182752
  explicit: false
  by artist: Willem Huisman
  in album: M'n kleine meid
    type: MusicAlbum
    date published: 2021-07-06
  isrc code: NL4NG2100003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T11:01:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa630e4842388faf74d883ed6335e906bc7b55b2d4b15c64fbded572d6f148a54
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959002
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959002
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL4NG2100003
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T14:02:28Z
  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 0xa630e4842388faf74d883ed6335e906bc7b55b2d4b15c64fbded572d6f148a54. Chain 2 (Bitcoin): anchored in block 959002 (2026-07-21T14:02:28Z), 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/NL4NG2100003.
    date published: 2026-07-21T14:02:28Z
  audio: M'n kleine meid
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.042
    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: 0.682
    additional property: Energy
      type: PropertyValue
      value: 0.474
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.94
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.113
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.258
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.848
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Laat Je lekker Gaan
type: MusicAlbum
date published: 2021-11-15

Waar Ben Jij
type: MusicAlbum
date published: 2022-05-13
track: Waar Ben Jij
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172500
  explicit: false
  by artist: Willem Huisman
  in album: Waar Ben Jij
    type: MusicAlbum
    date published: 2022-05-13
  isrc code: QZHN52248146
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T04:59:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5cdda226201f6ef16861cd8b1b2af5152d165be4e9b746cb94a3ffe7d1d73206
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958246
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958246
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN52248146
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T08:00:55Z
  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
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Hey Schat
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Baila Señorita
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date published: 2023-06-02

Kom Maar Bij Mij
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    date published: 2026-07-05T01:12:41Z
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Liefde
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date published: 2024-03-01

Holland Olé
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date published: 2024-05-31

Hey Lekkerding
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    date published: 2026-07-03T21:18:05Z
  audio: Hey Lekkerding
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