Roosbeef
type: MusicGroup
genre: nederpop
description: Roosbeef is a Dutch band from Duiven formed around singer-songwriter Roos Rebergen. They are acclaimed for their original lyrics and musical style. Rebergen describes their style as melodic pop music
popularity: 27
followers: 15421
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63e5b5deb6f5276d5df316546647c06480e7c07bb342f761c456e93d73016c9f
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/73e512ee-656e-4e3f-b6b4-5237411d3605.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/73e512ee-656e-4e3f-b6b4-5237411d3605.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/73e512ee-656e-4e3f-b6b4-5237411d3605
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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 0x63e5b5deb6f5276d5df316546647c06480e7c07bb342f761c456e93d73016c9f. 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/73e512ee-656e-4e3f-b6b4-5237411d3605.json and https://artists.proofprofile.net/proofs/artist/73e512ee-656e-4e3f-b6b4-5237411d3605.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Ze Willen Wel Je Hond Aaien Maar Niet Met Je Praten
  type: MusicAlbum
  date published: 2008
album: Ze willen wel je hond aaien maar niet met je praten
  type: MusicAlbum
  date published: 2008
album: Ze Willen Wel Je Hond Aaien Maar Niet Met Je Praten
  type: MusicAlbum
  date published: 2008-01-01
  track: Onder Invloed
    type: MusicRecording
    duration: PT5M21S
    duration ms: 321760
    explicit: false
    by artist: Roosbeef
    in album: Ze Willen Wel Je Hond Aaien Maar Niet Met Je Praten
      type: MusicAlbum
      date published: 2008-01-01
    genre: nederpop
    isrc code: NLYC61700001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T03:39:31+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1019768639ebb858bbf66e5460fc9ebb9acf8d08b99ba28c05a731d88378fb05
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958363
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958363
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC61700001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T04:34:46Z
    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 0x1019768639ebb858bbf66e5460fc9ebb9acf8d08b99ba28c05a731d88378fb05. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/NLYC61700001.
      date published: 2026-07-17T04:34:46Z
    audio: Onder Invloed
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 74.919
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.586
      additional property: Energy
        type: PropertyValue
        value: 0.466
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0.687
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.111
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.339
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.045
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Jongens Gaan Het Leger In
    type: MusicRecording
    duration: PT3M17S
    duration ms: 197173
    explicit: false
    by artist: Roosbeef
    in album: Ze Willen Wel Je Hond Aaien Maar Niet Met Je Praten
      type: MusicAlbum
      date published: 2008-01-01
    genre: nederpop
    isrc code: NLYC61700003
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T00:33:48+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xadb65b905a6f0b122b5879cbaa4d328104d659fe1dd5515ee1d4e4e799cdc395
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958340
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958340
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC61700003
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T03:35:34Z
    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 0xadb65b905a6f0b122b5879cbaa4d328104d659fe1dd5515ee1d4e4e799cdc395. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T03:35:34Z), 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/NLYC61700003.
      date published: 2026-07-17T03:35:34Z
    audio: Jongens Gaan Het Leger In
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 93.944
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.505
      additional property: Energy
        type: PropertyValue
        value: 0.399
      additional property: Speechiness
        type: PropertyValue
        value: 0.042
      additional property: Acousticness
        type: PropertyValue
        value: 0.939
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Volle Magen
  track: Meisjes
  track: Boerderij
album: Twijfelaar
album: Twijfelaar - Single
album: Omdat ik dat wil
album: Omdat Ik Dat Wil
album: Warüm
album: Kalf
album: KALF
album: De Schelde
album: Raak mij aan
album: Raak Mij Aan
album: Emoticons
album: Menselijke Mensen
album: In mijnen tijd
album: In Mijnen Tijd
album: Lucky
album: Rodeo
album: Dichtbij
album: Antwerpen (Live)
album: Arme slechterik
album: Mandola
album: Ik heb je rug
album: Zomer in Nederland
album: Allemans
album: TOM
track: Hij Is Alleen

Hij Is Alleen
type: MusicRecording
duration: PT3M22S
duration ms: 202320
explicit: false
by artist: Roosbeef
in album: VOS
  type: MusicAlbum
  date published: 2024-10-18
isrc code: BEK012400409
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T00:28:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb61f3f0a8a2ee7208d05640ea934d46f2ba9c3b8039a493c0f13ee4d44706059
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEK012400409
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb61f3f0a8a2ee7208d05640ea934d46f2ba9c3b8039a493c0f13ee4d44706059. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/BEK012400409.
  date published: 2026-07-02T05:09:12Z
audio: Hij Is Alleen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.59
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.738
  additional property: Energy
    type: PropertyValue
    value: 0.491
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.558
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.024
  additional property: Liveness
    type: PropertyValue
    value: 0.127
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.165
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.356
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Liveness
type: PropertyValue
value: 0.108

Valence (Positivity)
type: PropertyValue
value: 0.241

Loudness (dB)
type: PropertyValue
value: -6.755

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

Volle Magen
type: MusicRecording
duration: PT3M36S
duration ms: 216800
explicit: false
by artist: Roosbeef
in album: Ze Willen Wel Je Hond Aaien Maar Niet Met Je Praten
  type: MusicAlbum
  date published: 2008-01-01
genre: nederpop
isrc code: NLYC61700004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T20:28:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf5a41ad42d43d286a26641a5322c007eb33b896e8e95cd812ea9e78f59858228
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958783
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958783
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC61700004
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T21:20:45Z
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 0xf5a41ad42d43d286a26641a5322c007eb33b896e8e95cd812ea9e78f59858228. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), 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/NLYC61700004.
  date published: 2026-07-19T21:20:45Z
audio: Volle Magen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.442
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.415
  additional property: Energy
    type: PropertyValue
    value: 0.355
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.767
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.165
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.371
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Meisjes
type: MusicRecording
duration: PT3M47S
duration ms: 227293
explicit: false
by artist: Roosbeef
in album: Ze Willen Wel Je Hond Aaien Maar Niet Met Je Praten
  type: MusicAlbum
  date published: 2008-01-01
genre: nederpop
isrc code: NLYC61700005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T19:46:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbf47e4c6c36ac4b13ccfe98ae0fc57fe42f6e133fd2328fef41d0c12258815c4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958774
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958774
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC61700005
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T22:49:38Z
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 0xbf47e4c6c36ac4b13ccfe98ae0fc57fe42f6e133fd2328fef41d0c12258815c4. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T22:49:38Z), 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/NLYC61700005.
  date published: 2026-07-19T22:49:38Z
audio: Meisjes
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.917
  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: 0.618
  additional property: Energy
    type: PropertyValue
    value: 0.665
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.063
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.334
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.34
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.307
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Boerderij
type: MusicRecording
duration: PT3M1S
duration ms: 181106
explicit: false
by artist: Roosbeef
in album: Ze Willen Wel Je Hond Aaien Maar Niet Met Je Praten
  type: MusicAlbum
  date published: 2008-01-01
genre: nederpop
isrc code: NLYC61700007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T19:13:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcafc4c271dd09e48cee08b6dbe15730144dc0b7e025dfb2540de670fb1deed0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958601
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958601
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC61700007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T19:27:02Z
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 0xcafc4c271dd09e48cee08b6dbe15730144dc0b7e025dfb2540de670fb1deed0f. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/NLYC61700007.
  date published: 2026-07-18T19:27:02Z
audio: Boerderij
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.211
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.622
  additional property: Energy
    type: PropertyValue
    value: 0.126
  additional property: Speechiness
    type: PropertyValue
    value: 0.099
  additional property: Acousticness
    type: PropertyValue
    value: 0.947
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.194
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.051
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ze Willen Wel Je Hond Aaien Maar Niet Met Je Praten
type: MusicAlbum
date published: 2008-12-11

Ze Willen Wel Je Hond Aaien Maar Niet Met Je Praten
type: MusicAlbum
date published: 2008-12-12

Twijfelaar
type: MusicAlbum
date published: 2011-08-15

Twijfelaar - Single
type: MusicAlbum
date published: 2011-08-15

Twijfelaar
type: MusicAlbum
date published: 2011-08-15

Twijfelaar
type: MusicAlbum
date published: 2011-08-15

Omdat ik dat wil
type: MusicAlbum
date published: 2011-09-02

Omdat ik dat wil
type: MusicAlbum
date published: 2011-09-02

Omdat Ik Dat Wil
type: MusicAlbum
date published: 2011-09-02
track: Twijfelaar
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219213
  explicit: false
  by artist: Roosbeef
  in album: Omdat Ik Dat Wil
    type: MusicAlbum
    date published: 2011-09-02
  genre: nederpop
  isrc code: NLB601100109
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T02:02:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbf5cdb57866f44c3b28848a40d715fe7fc57eb674391468393f9b8c8dd5cce61
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958350
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958350
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB601100109
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T02:31:22Z
  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 0xbf5cdb57866f44c3b28848a40d715fe7fc57eb674391468393f9b8c8dd5cce61. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T02:31:22Z), 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/NLB601100109.
    date published: 2026-07-17T02:31:22Z
  audio: Twijfelaar
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 131.948
    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: 0.715
    additional property: Energy
      type: PropertyValue
      value: 0.66
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.786
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.094
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.558
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.138
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Iets Te Veel Wij(n)
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260773
  explicit: false
  by artist: Roosbeef
  in album: Omdat Ik Dat Wil
    type: MusicAlbum
    date published: 2011-09-02
  genre: nederpop
  isrc code: NLB601100110
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T19:34:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x61615e1e7bd69f42a70b42e344c5da299a6bd1615caccb809d6a873f1fab2bc0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957754
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957754
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB601100110
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T21:26:22Z
  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 0x61615e1e7bd69f42a70b42e344c5da299a6bd1615caccb809d6a873f1fab2bc0. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/NLB601100110.
    date published: 2026-07-12T21:26:22Z
  audio: Iets Te Veel Wij(n)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 177.968
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.589
    additional property: Energy
      type: PropertyValue
      value: 0.556
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.111
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.005
    additional property: Liveness
      type: PropertyValue
      value: 0.142
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.447
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.429
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Nachtauto
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204800
  explicit: false
  by artist: Roosbeef
  in album: Omdat Ik Dat Wil
    type: MusicAlbum
    date published: 2011-09-02
  genre: nederpop
  isrc code: NLB601100111
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T07:16:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf2e80b864f5be67252fbacde2502cb8232e7ea7ded4a35eb3d2e15fc17a274e8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958987
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958987
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Nachtauto
track: Niet Uitmaken

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB601100111

OTSTimestamp
type: PropertyValue
value: 2026-07-21T09:04:56Z

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 0xf2e80b864f5be67252fbacde2502cb8232e7ea7ded4a35eb3d2e15fc17a274e8. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T09:04:56Z), 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/NLB601100111.
date published: 2026-07-21T09:04:56Z

Nachtauto
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 139.99
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.724
additional property: Energy
  type: PropertyValue
  value: 0.545
additional property: Speechiness
  type: PropertyValue
  value: 0.034
additional property: Acousticness
  type: PropertyValue
  value: 0.507
additional property: Instrumentalness
  type: PropertyValue
  value: 0.311
additional property: Liveness
  type: PropertyValue
  value: 0.118
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.958
additional property: Loudness (dB)
  type: PropertyValue
  value: -11.162
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

Niet Uitmaken
type: MusicRecording
duration: PT4M27S
duration ms: 267626
explicit: false
by artist: Roosbeef
in album: Omdat Ik Dat Wil
  type: MusicAlbum
  date published: 2011-09-02
genre: nederpop
isrc code: NLB601100112
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T15:54:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x56bef623f6bc2b307fb256296ffcc40d8d750510cebb5d8f32abbe8dda2baea7
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/NLB601100112
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 0x56bef623f6bc2b307fb256296ffcc40d8d750510cebb5d8f32abbe8dda2baea7. 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/NLB601100112.
  date published: 2026-07-05T19:27:56Z
audio: Niet Uitmaken
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.947
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.612
  additional property: Energy
    type: PropertyValue
    value: 0.83
  additional property: Speechiness
    type: PropertyValue
    value: 0.083
  additional property: Acousticness
    type: PropertyValue
    value: 0.289
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.155
  additional property: Liveness
    type: PropertyValue
    value: 0.223
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.797
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.882
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Omdat Ik Dat Wil
type: MusicAlbum
date published: 2011-09-02

Warüm
type: MusicAlbum
date published: 2012-09-12
track: Onder invloed
  type: MusicRecording
  duration: PT5M16S
  duration ms: 316520
  explicit: false
  by artist: Roosbeef
  in album: Warüm
    type: MusicAlbum
    date published: 2012-09-12
  genre: nederpop
  isrc code: NLB601200228
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T09:48:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2f974138d7cad34e832124683e0e0ed9b18d3dbfcc8ccb48adb07cb06a99d7c2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956776
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956776
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB601200228
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:59:37Z
  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 0x2f974138d7cad34e832124683e0e0ed9b18d3dbfcc8ccb48adb07cb06a99d7c2. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/NLB601200228.
    date published: 2026-07-05T10:59:37Z
  audio: Onder invloed
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 70.966
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.571
    additional property: Energy
      type: PropertyValue
      value: 0.196
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.828
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.086
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.274
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.78
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Warüm
type: MusicAlbum
date published: 2012-09-21

Warüm
type: MusicAlbum
date published: 2012-09-21

Warüm
type: MusicAlbum
date published: 2012-09-21

Kalf
type: MusicAlbum
date published: 2014-10-31

Kalf
type: MusicAlbum
date published: 2014-10-31

KALF
type: MusicAlbum
date published: 2015-02-20

Kalf
type: MusicAlbum
date published: 2015-02-20
track: Controleer Mij
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178853
  explicit: false
  by artist: Roosbeef
  in album: Kalf
    type: MusicAlbum
    date published: 2015-02-20
  genre: nederpop
  isrc code: NLYC61400213
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T01:52:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x495a7e2f45dfc8225891521ceac0c7f8239c9e23ba52ac6d614fb584f380c3ac
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958228
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958228
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC61400213
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T02:46:47Z
  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 0x495a7e2f45dfc8225891521ceac0c7f8239c9e23ba52ac6d614fb584f380c3ac. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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/NLYC61400213.
    date published: 2026-07-16T02:46:47Z
  audio: Controleer Mij
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.944
    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: 0.699
    additional property: Energy
      type: PropertyValue
      value: 0.42
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.897
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.084
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.516
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.073
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Kalf
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186040
  explicit: false
  by artist: Roosbeef
  in album: Kalf
    type: MusicAlbum
    date published: 2015-02-20
  genre: nederpop
  isrc code: NLYC61400207
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T10:44:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4b62514360a44bffa4bcb193c7d2bbec2c903f05ba1422c0722e6c6810c9f2e9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958286
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958286
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC61400207
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T12:43:37Z
  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 0x4b62514360a44bffa4bcb193c7d2bbec2c903f05ba1422c0722e6c6810c9f2e9. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/NLYC61400207.
    date published: 2026-07-16T12:43:37Z
  audio: Kalf
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 137.994
    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: 0.646
    additional property: Energy
      type: PropertyValue
      value: 0.694
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.353
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.003
    additional property: Liveness
      type: PropertyValue
      value: 0.059
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.837
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.596
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: We Hebben Alles
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233346
  explicit: false
  by artist: Roosbeef
  in album: Kalf
    type: MusicAlbum
    date published: 2015-02-20
  genre: nederpop
  isrc code: NLYC61400216
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T00:06:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x85c0a80042cd6aa852aeb970abb3d5d93ea888ea0e805c1b91852045313725b7
  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
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: We Hebben Alles
track: De Schelde

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC61400216

OTSTimestamp
type: PropertyValue
value: 2026-07-05T01:12:41Z

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 0x85c0a80042cd6aa852aeb970abb3d5d93ea888ea0e805c1b91852045313725b7. 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/NLYC61400216.
date published: 2026-07-05T01:12:41Z

We Hebben Alles
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 110.849
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.584
additional property: Energy
  type: PropertyValue
  value: 0.175
additional property: Speechiness
  type: PropertyValue
  value: 0.033
additional property: Acousticness
  type: PropertyValue
  value: 0.842
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.133
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.076
additional property: Loudness (dB)
  type: PropertyValue
  value: -14.263
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

De Schelde
type: MusicRecording
duration: PT3M40S
duration ms: 220986
explicit: false
by artist: Roosbeef
in album: Kalf
  type: MusicAlbum
  date published: 2015-02-20
genre: nederpop
isrc code: NLYC61400219
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T03:49:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x088242100b484ae5794979b1c5a37670c18a8f927b2746ce3e39075adea9aefe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958363
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958363
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC61400219
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T04:34:46Z
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 0x088242100b484ae5794979b1c5a37670c18a8f927b2746ce3e39075adea9aefe. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/NLYC61400219.
  date published: 2026-07-17T04:34:46Z
audio: De Schelde
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.05
  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: 0.487
  additional property: Energy
    type: PropertyValue
    value: 0.545
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.518
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.097
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.113
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.254
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

De Schelde
type: MusicAlbum
date published: 2015-03-13

De Schelde
type: MusicAlbum
date published: 2015-03-13

Raak mij aan
type: MusicAlbum
date published: 2015-05-01

Raak Mij Aan
type: MusicAlbum
date published: 2015-05-01

Emoticons
type: MusicAlbum
date published: 2015-08-14

Emoticons
type: MusicAlbum
date published: 2015-08-14

Menselijke Mensen
type: MusicAlbum
date published: 2019-10-25

Menselijke Mensen
type: MusicAlbum
date published: 2019-10-25

Menselijke Mensen
type: MusicAlbum
date published: 2019-10-25

In mijnen tijd
type: MusicAlbum
date published: 2020-01-10

In Mijnen Tijd
type: MusicAlbum
date published: 2020-01-10

Lucky
type: MusicAlbum
date published: 2020-01-17
track: Dichtbij
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214506
  explicit: false
  by artist: Roosbeef
  in album: Lucky
    type: MusicAlbum
    date published: 2020-01-17
  genre: nederpop
  isrc code: NLYC61900094
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T02:07:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x010fb34647ad6cf5f71e7e3639d6d6dcb7678e7f76bf901c4ba0e0e84c6bd1ae
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958350
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958350
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC61900094
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T02:31:22Z
  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 0x010fb34647ad6cf5f71e7e3639d6d6dcb7678e7f76bf901c4ba0e0e84c6bd1ae. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T02:31:22Z), 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/NLYC61900094.
    date published: 2026-07-17T02:31:22Z
  audio: Dichtbij
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.055
    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: 0.716
    additional property: Energy
      type: PropertyValue
      value: 0.382
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.848
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.702
    additional property: Liveness
      type: PropertyValue
      value: 0.093
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.492
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.898
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Baby, ik kom eraan
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166080
  explicit: false
  by artist: Roosbeef
  in album: Lucky
    type: MusicAlbum
    date published: 2020-01-17
  genre: nederpop
  isrc code: NLYC61900099
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T11:23:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x28dae4365149f935b232d6e686dbeefe7834f10d0220874f3826496c9ddac4ed
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958286
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958286
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC61900099
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T12:43:37Z
  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 0x28dae4365149f935b232d6e686dbeefe7834f10d0220874f3826496c9ddac4ed. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/NLYC61900099.
    date published: 2026-07-16T12:43:37Z
  audio: Baby, ik kom eraan
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 168.732
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.479
    additional property: Energy
      type: PropertyValue
      value: 0.039
    additional property: Speechiness
      type: PropertyValue
      value: 0.065
    additional property: Acousticness
      type: PropertyValue
      value: 0.952
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.13
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.264
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.818
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Lucky
type: MusicAlbum
date published: 2020-01-17

Rodeo
type: MusicAlbum
date published: 2020-03-27

Dichtbij
type: MusicAlbum
date published: 2020-07-17

Antwerpen (Live)
type: MusicAlbum
date published: 2021-11-19

Arme slechterik
type: MusicAlbum
date published: 2022-06-03

Mandola
type: MusicAlbum
date published: 2022-10-07

Ik heb je rug
type: MusicAlbum
date published: 2022-12-09

Zomer in Nederland
type: MusicAlbum
date published: 2023-01-20
track: Mandola
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211320
  explicit: false
  by artist: Roosbeef
  in album: Zomer in Nederland
    type: MusicAlbum
    date published: 2023-01-20
  genre: nederpop
  isrc code: NLYC62200080
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T22:01:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xddaf8b370e258028f1108e3e6d527f678b1d687b4125df636004f0903c97a01b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958074
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958074
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC62200080
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T22:45:25Z
  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 0xddaf8b370e258028f1108e3e6d527f678b1d687b4125df636004f0903c97a01b. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/NLYC62200080.
    date published: 2026-07-14T22:45:25Z
  audio: Mandola
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 125.973
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.785
    additional property: Energy
      type: PropertyValue
      value: 0.374
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.566
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.445
    additional property: Liveness
      type: PropertyValue
      value: 0.096
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.767
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.829
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Arme slechterik
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208520
  explicit: false
  by artist: Roosbeef
  in album: Zomer in Nederland
    type: MusicAlbum
    date published: 2023-01-20
  genre: nederpop
  isrc code: NLYC62200069
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T19:44:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd6ea1607e0bcf9abd1dc5f5aa534df77e36d14b745aa86b56435f046ad7666a2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958775
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958775
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC62200069
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T22:46:27Z
  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 0xd6ea1607e0bcf9abd1dc5f5aa534df77e36d14b745aa86b56435f046ad7666a2. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T22:46:27Z), 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/NLYC62200069.
    date published: 2026-07-19T22:46:27Z
  audio: Arme slechterik
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 99.957
    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: 0.637
    additional property: Energy
      type: PropertyValue
      value: 0.56
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.231
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.009
    additional property: Liveness
      type: PropertyValue
      value: 0.076
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.574
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.418
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Hooitijd
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201853
  explicit: false
  by artist: Roosbeef
  in album: Zomer in Nederland
    type: MusicAlbum
    date published: 2023-01-20
  genre: nederpop
  isrc code: NLYC62200081
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T11:58:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xce7812846ee60a8d45492f97b4f426b9c48b034adb8c98447a99f6471eed9c16
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Hooitijd

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC62200081

OTSTimestamp
type: PropertyValue
value: 2026-07-05T18:48:28Z

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 0xce7812846ee60a8d45492f97b4f426b9c48b034adb8c98447a99f6471eed9c16. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/NLYC62200081.
date published: 2026-07-05T18:48:28Z

Hooitijd
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 131.278
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.583
additional property: Energy
  type: PropertyValue
  value: 0.687
additional property: Speechiness
  type: PropertyValue
  value: 0.057
additional property: Acousticness
  type: PropertyValue
  value: 0.265
additional property: Instrumentalness
  type: PropertyValue
  value: 0.004
additional property: Liveness
  type: PropertyValue
  value: 0.357
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.752
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.628
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Minor

Allemans
type: MusicAlbum
date published: 2023-10-27
track: Allemans
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219280
  explicit: false
  by artist: Roosbeef
  in album: Allemans
    type: MusicAlbum
    date published: 2023-10-27
  genre: nederpop
  isrc code: NLYC62300084
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T22:21:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5b9ad5c87412f47c01b9d746ceb13ba0c3855f4b88d209147efc87b6fd1f593a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958074
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958074
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLYC62300084
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T22:45:25Z
  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 0x5b9ad5c87412f47c01b9d746ceb13ba0c3855f4b88d209147efc87b6fd1f593a. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/NLYC62300084.
    date published: 2026-07-14T22:45:25Z
  audio: Allemans
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.02
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.631
    additional property: Energy
      type: PropertyValue
      value: 0.632
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.575
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.845
    additional property: Liveness
      type: PropertyValue
      value: 0.104
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.407
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.216
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor

TOM
type: MusicAlbum
date published: 2025-08-04