Zanger Alex
type: MusicGroup
popularity: 42
followers: 3156
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9c04dce615a2260fff21d65baf300595ce36c6f2183a00e39884dc32852b0f01
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/b97de3d2-493b-4b8c-b0b0-47145fb9ceaf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b97de3d2-493b-4b8c-b0b0-47145fb9ceaf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b97de3d2-493b-4b8c-b0b0-47145fb9ceaf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9c04dce615a2260fff21d65baf300595ce36c6f2183a00e39884dc32852b0f01","name":"Zanger Alex","registered_at":"2026-06-12T08:16:37Z","symbol":"NIM0239477","token_address":"0x3cf6e65916f8b1e0b49e1e3f393e26e042827e0b","type":"artist","uuid":"b97de3d2-493b-4b8c-b0b0-47145fb9ceaf"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c04dce615a2260fff21d65baf300595ce36c6f2183a00e39884dc32852b0f01. 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/b97de3d2-493b-4b8c-b0b0-47145fb9ceaf.json and https://artists.proofprofile.net/proofs/artist/b97de3d2-493b-4b8c-b0b0-47145fb9ceaf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x9c04dce615a2260fff21d65baf300595ce36c6f2183a00e39884dc32852b0f01","name":"Zanger Alex","registered_at":"2026-06-12T08:16:37Z","symbol":"NIM0239477","token_address":"0x3cf6e65916f8b1e0b49e1e3f393e26e042827e0b","type":"artist","uuid":"b97de3d2-493b-4b8c-b0b0-47145fb9ceaf"}
album: De Liefde
  type: MusicAlbum
  date published: 2005
album: Jij en Ik
  type: MusicAlbum
  date published: 2012-06-07
album: Nooit Meer Naar Huis
  type: MusicAlbum
  date published: 2012-11-23
album: Het Beste Van
  type: MusicAlbum
  date published: 2013-03-13
  track: Nooit Meer Naar Huis
    type: MusicRecording
    duration: PT3M24S
    duration ms: 204000
    explicit: false
    by artist: Zanger Alex
    in album: Het Beste Van
      type: MusicAlbum
      date published: 2013-03-13
    isrc code: NLE871253801
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T01:40:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9469956c981da39ccbf4e742d6d957833b06472b84f414493e8574756968abcd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871253801
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9469956c981da39ccbf4e742d6d957833b06472b84f414493e8574756968abcd. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/NLE871253801.
      date published: 2026-07-04T10:04:33Z
    audio: Nooit Meer Naar Huis
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 130.056
      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: 0.779
      additional property: Energy
        type: PropertyValue
        value: 0.923
      additional property: Speechiness
        type: PropertyValue
        value: 0.039
      additional property: Acousticness
        type: PropertyValue
        value: 0.06
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.64
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.915
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.268
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Een Bossie Rooie Rozen
    type: MusicRecording
    duration: PT3M36S
    duration ms: 216000
    explicit: false
    by artist: Zanger Alex
    in album: Het Beste Van
      type: MusicAlbum
      date published: 2013-03-13
    isrc code: NLE871318502
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-29T17:00:43+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1c1bb437bb2c1d28acd58a220b57802a6b14b5dd360b3bd2678c3596439cbb46
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956375
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956375
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871318502
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c1bb437bb2c1d28acd58a220b57802a6b14b5dd360b3bd2678c3596439cbb46. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/NLE871318502.
      date published: 2026-07-02T16:51:38Z
    audio: Een Bossie Rooie Rozen
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.043
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.543
      additional property: Energy
        type: PropertyValue
        value: 0.994
      additional property: Speechiness
        type: PropertyValue
        value: 0.075
      additional property: Acousticness
        type: PropertyValue
        value: 0.149
      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: Jij En Ik
album: Kijk De Zon Eens Schijnen
album: De Nachten Van M'n Dromen
album: Feest Zonder Grenzen
album: Hoezo Al Getrouwd
album: Maak Er Een Mooie Dag Van
album: De Nacht Is Nog Zo Lang
album: Toppe Bob
album: Lala Medley
album: Het Leven Is Mooi (DJ Edit)
album: Het Leven Is Mooi
album: Het Leven Is Mooi (DJ Coenio Remix)
album: Met Feestelijke Groet
album: Adio Amore (Golddiggers Remix)
album: Anita
album: Jij Bent Veel Te Mooi
album: Het Begon Ooit Met Een Bossie Rooie Rozen
album: Meissie Meissie (Golddiggers Remix)
album: Ik Schreeuw 't Van De Daken
album: Kus Me Snel
album: Nee Je Hoeft Me Niet Te Zeggen
album: Liefde In De Nacht
album: Laat De Zon Maar Komen
album: Mag Ik Naar Je Kijken
album: Kerstmis Oh Kerstmis
album: Stamcafé
album: Karma Heeft Geen Klokkie
album: Oude Vrienden Te Koop
album: S.J.C. Voetballied
album: Even Aan M'n Moeder Vragen
album: Ik Drink Een Borrel Met Jou
album: Hoe Dan
album: Curaçao Curaçao
album: Mama Maria
album: Adio Amore (Hardstyle Remix)
album: Blikkendag
album: Honkie-Tonkie Pianissie
album: Klojo
album: Au Revoir (Het Is Klaar)
track: Mag Ik Naar Je Kijken
track: Nederland Wordt Kampioen
track: Stamcafé
track: Curaçao Curaçao

Liveness
type: PropertyValue
value: 0.958

Valence (Positivity)
type: PropertyValue
value: 0.786

Loudness (dB)
type: PropertyValue
value: -3.08

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major

Jij En Ik
type: MusicRecording
duration: PT2M57S
duration ms: 177000
explicit: false
by artist: Zanger Alex
in album: Het Beste Van
  type: MusicAlbum
  date published: 2013-03-13
isrc code: NLE871266001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T00:43:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba070cddf78fbd07312be34e026db020a7cbaa9cb186f426618e26f6741c9ef3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958633
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958633
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871266001
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T00:54:50Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba070cddf78fbd07312be34e026db020a7cbaa9cb186f426618e26f6741c9ef3. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/NLE871266001.
  date published: 2026-07-19T00:54:50Z
audio: Jij En Ik
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 138.027
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.747
  additional property: Energy
    type: PropertyValue
    value: 0.905
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.235
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.735
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.722
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kijk De Zon Eens Schijnen
type: MusicAlbum
date published: 2013-07-08

De Nachten Van M'n Dromen
type: MusicAlbum
date published: 2013-11-22

Feest Zonder Grenzen
type: MusicAlbum
date published: 2013-11-29
track: Een Bossie Rooie Rozen - Remix
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195000
  explicit: false
  by artist: Zanger Alex
  in album: Feest Zonder Grenzen
    type: MusicAlbum
    date published: 2013-11-29
  isrc code: NLE871314802
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T20:46:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x78e1494a24e56846e4f178ace8d6e8db66d693fc3b9baad421c0dc97b1dd550a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871314802
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78e1494a24e56846e4f178ace8d6e8db66d693fc3b9baad421c0dc97b1dd550a. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/NLE871314802.
    date published: 2026-07-04T10:04:33Z
  audio: Een Bossie Rooie Rozen - Remix
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.079
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.654
    additional property: Energy
      type: PropertyValue
      value: 0.942
    additional property: Speechiness
      type: PropertyValue
      value: 0.069
    additional property: Acousticness
      type: PropertyValue
      value: 0.017
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.854
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.892
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.706
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Kijk De Zon Eens Schijnen
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160000
  explicit: false
  by artist: Zanger Alex
  in album: Feest Zonder Grenzen
    type: MusicAlbum
    date published: 2013-11-29
  isrc code: NLE871314801
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T05:35:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4e864ee0ec2a96af6f0f96810a958a8c4d4139609357e8a5fe817d6f2975cb96
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959103
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959103
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871314801
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T05:56:21Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e864ee0ec2a96af6f0f96810a958a8c4d4139609357e8a5fe817d6f2975cb96. Chain 2 (Bitcoin): anchored in block 959103 (2026-07-22T05:56:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871314801.
    date published: 2026-07-22T05:56:21Z
  audio: Kijk De Zon Eens Schijnen
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 206.85
    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: 0.521
    additional property: Energy
      type: PropertyValue
      value: 0.839
    additional property: Speechiness
      type: PropertyValue
      value: 0.089
    additional property: Acousticness
      type: PropertyValue
      value: 0.276
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.197
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.96
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.604
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Hoezo Al Getrouwd
type: MusicAlbum
date published: 2014-02-07

Maak Er Een Mooie Dag Van
type: MusicAlbum
date published: 2014-10-17

De Nacht Is Nog Zo Lang
type: MusicAlbum
date published: 2015-01-23

Toppe Bob
type: MusicAlbum
date published: 2015-05-08

Lala Medley
type: MusicAlbum
date published: 2015-07-10

Het Leven Is Mooi (DJ Edit)
type: MusicAlbum
date published: 2015-08-28

Het Leven Is Mooi
type: MusicAlbum
date published: 2015-08-28

Het Leven Is Mooi (DJ Coenio Remix)
type: MusicAlbum
date published: 2015-09-18

Met Feestelijke Groet
type: MusicAlbum
date published: 2015-11-27

Adio Amore (Golddiggers Remix)
type: MusicAlbum
date published: 2016-04-01
track: Adio Amore - Golddiggers Remix
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194000
  explicit: false
  by artist: Zanger Alex
  in album: Adio Amore (Golddiggers Remix)
    type: MusicAlbum
    date published: 2016-04-01
  isrc code: NLE871544601
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x173ae7ab3ac02e1132d90b9037f97a7e5895e395915e23e770f568815723ea49
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959024
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959024
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871544601
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T15:31:18Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x173ae7ab3ac02e1132d90b9037f97a7e5895e395915e23e770f568815723ea49. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T15:31:18Z), 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/NLE871544601.
    date published: 2026-07-21T15:31:18Z
  audio: Adio Amore - Golddiggers Remix
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 130.509
    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: 0.798
    additional property: Energy
      type: PropertyValue
      value: 0.925
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.141
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.287
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.971
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.988
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Anita
type: MusicAlbum
date published: 2017-02-17
track: Anita
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184000
  explicit: false
  by artist: Zanger Alex
  in album: Anita
    type: MusicAlbum
    date published: 2017-02-17
  isrc code: NLE871710901
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T18:59:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc5d6dceb828ec8faf78bd86b445558465842eb163d7a058e7760d6b4abd99595
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958194
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958194
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871710901
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T20:32:27Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5d6dceb828ec8faf78bd86b445558465842eb163d7a058e7760d6b4abd99595. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/NLE871710901.
    date published: 2026-07-15T20:32:27Z
  audio: Anita
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 133.989
    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: 0.807
    additional property: Energy
      type: PropertyValue
      value: 0.964
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.088
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.969
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.3
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Jij Bent Veel Te Mooi
type: MusicAlbum
date published: 2017-06-23

Het Begon Ooit Met Een Bossie Rooie Rozen
type: MusicAlbum
date published: 2017-10-12

Meissie Meissie (Golddiggers Remix)
type: MusicAlbum
date published: 2018-02-23

Ik Schreeuw 't Van De Daken
type: MusicAlbum
date published: 2018-07-27

Kus Me Snel
type: MusicAlbum
date published: 2019-01-23
track: Kus Me Snel
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171000
  explicit: false
  by artist: Zanger Alex
  in album: Kus Me Snel
    type: MusicAlbum
    date published: 2019-01-23
  isrc code: NLE871745101
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T03:02:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x652c082d024dca30eb7cc1f846fb0de4d16f3215694c2d9ec392097b8b0df987
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956474
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956474
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871745101
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T08:56:35Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x652c082d024dca30eb7cc1f846fb0de4d16f3215694c2d9ec392097b8b0df987. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/NLE871745101.
    date published: 2026-07-03T08:56:35Z
  audio: Kus Me Snel
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 133.975
    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: 0.795
    additional property: Energy
      type: PropertyValue
      value: 0.935
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.192
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.367
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.973
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.003
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Nee Je Hoeft Me Niet Te Zeggen
type: MusicAlbum
date published: 2019-06-28
track: Nee Je Hoeft Me Niet Te Zeggen
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183012
  explicit: false
  by artist: Zanger Alex
  in album: Nee Je Hoeft Me Niet Te Zeggen
    type: MusicAlbum
    date published: 2019-06-28
  isrc code: NLE871915200
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T03:02:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4fe60cc9681dfac3f18385ed69e99b99bbf9eadd75acc6af1ebd6bbd4c8fdda7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956474
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956474
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871915200
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T08:56:35Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fe60cc9681dfac3f18385ed69e99b99bbf9eadd75acc6af1ebd6bbd4c8fdda7. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/NLE871915200.
    date published: 2026-07-03T08:56:35Z
  audio: Nee Je Hoeft Me Niet Te Zeggen
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 134.155
    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: 0.776
    additional property: Energy
      type: PropertyValue
      value: 0.962
    additional property: Speechiness
      type: PropertyValue
      value: 0.077
    additional property: Acousticness
      type: PropertyValue
      value: 0.136
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.293
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.874
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.549
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Liefde In De Nacht
type: MusicAlbum
date published: 2019-11-15
track: Liefde In De Nacht
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190860
  explicit: false
  by artist: Zanger Alex
  in album: Liefde In De Nacht
    type: MusicAlbum
    date published: 2019-11-15
  isrc code: NLE871924000
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T01:06:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x91991f85c2aa4cb4ff4a005335f25914b3aa5b02081cc90854a2d881c2771896
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871924000
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91991f85c2aa4cb4ff4a005335f25914b3aa5b02081cc90854a2d881c2771896. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/NLE871924000.
    date published: 2026-07-04T10:04:33Z
  audio: Liefde In De Nacht
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 128.012
    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: 0.695
    additional property: Energy
      type: PropertyValue
      value: 0.923
    additional property: Speechiness
      type: PropertyValue
      value: 0.07
    additional property: Acousticness
      type: PropertyValue
      value: 0.01
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.619
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.921
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.168
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Laat De Zon Maar Komen
type: MusicAlbum
date published: 2020-05-08
track: Laat De Zon Maar Komen
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164105
  explicit: false
  by artist: Zanger Alex
  in album: Laat De Zon Maar Komen
    type: MusicAlbum
    date published: 2020-05-08
  isrc code: NLE871934700
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T07:56:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7087a270b782764a9e47b76e1d6e12d27108f237e8e5bcf3457595107265adcb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956474
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956474
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871934700
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T08:56:35Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7087a270b782764a9e47b76e1d6e12d27108f237e8e5bcf3457595107265adcb. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/NLE871934700.
    date published: 2026-07-03T08:56:35Z
  audio: Laat De Zon Maar Komen
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.053
    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: 0.839
    additional property: Energy
      type: PropertyValue
      value: 0.93
    additional property: Speechiness
      type: PropertyValue
      value: 0.111
    additional property: Acousticness
      type: PropertyValue
      value: 0.178
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.078
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.956
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.27
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Mag Ik Naar Je Kijken
type: MusicAlbum
date published: 2020-10-16

Kerstmis Oh Kerstmis
type: MusicAlbum
date published: 2020-11-27

Stamcafé
type: MusicAlbum
date published: 2021-07-30

Karma Heeft Geen Klokkie
type: MusicAlbum
date published: 2022-03-25
track: Karma Heeft Geen Klokkie
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170459
  explicit: false
  by artist: Zanger Alex
  in album: Karma Heeft Geen Klokkie
    type: MusicAlbum
    date published: 2022-03-25
  isrc code: NLE872203301
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T04:53:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1d0419d31204bd02bd656b3f22518b0e9fc45d100b56420a4aef0775939504a7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958366
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958366
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE872203301
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T04:59:09Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d0419d31204bd02bd656b3f22518b0e9fc45d100b56420a4aef0775939504a7. Chain 2 (Bitcoin): anchored in block 958366 (2026-07-17T04:59:09Z), 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/NLE872203301.
    date published: 2026-07-17T04:59:09Z
  audio: Karma Heeft Geen Klokkie
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.545
    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: 0.74
    additional property: Energy
      type: PropertyValue
      value: 0.922
    additional property: Speechiness
      type: PropertyValue
      value: 0.212
    additional property: Acousticness
      type: PropertyValue
      value: 0.074
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.352
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.762
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.681
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Oude Vrienden Te Koop
type: MusicAlbum
date published: 2022-07-15
track: Oude Vrienden Te Koop
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201796
  explicit: false
  by artist: Zanger Alex
  in album: Oude Vrienden Te Koop
    type: MusicAlbum
    date published: 2022-07-15
  isrc code: NLE872213301
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T11:52:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc17d85c8155898025bd3c9f509ef4e1ed00006b800ff989b985cd7de74a32a10
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE872213301
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T12:24:55Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc17d85c8155898025bd3c9f509ef4e1ed00006b800ff989b985cd7de74a32a10. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/NLE872213301.
    date published: 2026-07-19T12:24:55Z
  audio: Oude Vrienden Te Koop
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.854
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.702
    additional property: Energy
      type: PropertyValue
      value: 0.902
    additional property: Speechiness
      type: PropertyValue
      value: 0.133
    additional property: Acousticness
      type: PropertyValue
      value: 0.323
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.077
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.703
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.916
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

S.J.C. Voetballied
type: MusicAlbum
date published: 2022-10-28
track: S.J.C. Voetballied
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190000
  explicit: false
  by artist: Zanger Alex
  in album: S.J.C. Voetballied
    type: MusicAlbum
    date published: 2022-10-28
  isrc code: NLE872219501
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T22:14:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x270d3057109a17d24b918a21b2b5ede2f06e7555b178916c71aa209b94678fe0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956856
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956856
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE872219501
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:25:57Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x270d3057109a17d24b918a21b2b5ede2f06e7555b178916c71aa209b94678fe0. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/NLE872219501.
    date published: 2026-07-06T01:25:57Z
  audio: S.J.C. Voetballied
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 121.512
    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: 0.626
    additional property: Energy
      type: PropertyValue
      value: 0.791
    additional property: Speechiness
      type: PropertyValue
      value: 0.147
    additional property: Acousticness
      type: PropertyValue
      value: 0.062
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.91
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.658
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.77
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

Even Aan M'n Moeder Vragen
type: MusicAlbum
date published: 2023-01-18

Ik Drink Een Borrel Met Jou
type: MusicAlbum
date published: 2023-08-04

Hoe Dan
type: MusicAlbum
date published: 2023-11-24

Curaçao Curaçao
type: MusicAlbum
date published: 2023-12-15
track: Curaçao Curaçao
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137686
  explicit: false
  by artist: Zanger Alex
  in album: Curaçao Curaçao
    type: MusicAlbum
    date published: 2023-12-15
  isrc code: NLE872310301
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T18:15:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc83a9eb0c35790a2622fe18320e91ffb1c4ac9999a39b1c32f6c1f3201f3c878
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958194
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958194
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE872310301
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T20:32:27Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc83a9eb0c35790a2622fe18320e91ffb1c4ac9999a39b1c32f6c1f3201f3c878. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/NLE872310301.
    date published: 2026-07-15T20:32:27Z
  audio: Curaçao Curaçao
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 141.774
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.47
    additional property: Energy
      type: PropertyValue
      value: 0.973
    additional property: Speechiness
      type: PropertyValue
      value: 0.091
    additional property: Acousticness
      type: PropertyValue
      value: 0.057
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.317
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.841
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.999
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Mama Maria
type: MusicAlbum
date published: 2024-03-22

Adio Amore (Hardstyle Remix)
type: MusicAlbum
date published: 2024-08-02

Blikkendag
type: MusicAlbum
date published: 2024-09-23

Honkie-Tonkie Pianissie
type: MusicAlbum
date published: 2025-01-10

Klojo
type: MusicAlbum
date published: 2025-03-21

Au Revoir (Het Is Klaar)
type: MusicAlbum
date published: 2025-10-03

Mag Ik Naar Je Kijken
type: MusicRecording
duration: PT3M52S
duration ms: 232031
explicit: false
by artist: Zanger Alex
in album: Polonaise Vol. 17 (2021)
  type: MusicAlbum
  date published: 2021-01-22
isrc code: NLE871939400
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T18:02:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce14700b3ffbf70586cd1416953f47947e38d5bbbb6cd8da4c572d9a877bb1dd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871939400
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce14700b3ffbf70586cd1416953f47947e38d5bbbb6cd8da4c572d9a877bb1dd. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/NLE871939400.
  date published: 2026-07-29T19:35:34Z
audio: Mag Ik Naar Je Kijken
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.108
  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: 0.736
  additional property: Energy
    type: PropertyValue
    value: 0.951
  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.1
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.889
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.965
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.372
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Nederland Wordt Kampioen
type: MusicRecording
duration: PT3M0S
duration ms: 180000
explicit: false
by artist: Zanger Alex
in album: EK Hits 2021
  type: MusicAlbum
  date published: 2021-06-17
isrc code: NLE871266002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T21:56:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x377324664b5406eacdfe1e5f4d6a60666fbd7ed455b608baf2812a6aaf275c82
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960321
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960321
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871266002
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T22:27:30Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x377324664b5406eacdfe1e5f4d6a60666fbd7ed455b608baf2812a6aaf275c82. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE871266002.
  date published: 2026-07-30T22:27:30Z
audio: Nederland Wordt Kampioen
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.903
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.691
  additional property: Energy
    type: PropertyValue
    value: 0.878
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.227
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.354
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.737
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.016
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Stamcafé
type: MusicRecording
duration: PT2M52S
duration ms: 172205
explicit: false
by artist: Zanger Alex
in album: Polonaise Vol. 18 (2022)
  type: MusicAlbum
  date published: 2022-02-11
isrc code: NLE872170101
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:03:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb103f2a0a6548eccc11636d01d44086b1c632c365a90b35b8f7bd4d86bcd3dc9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE872170101
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb103f2a0a6548eccc11636d01d44086b1c632c365a90b35b8f7bd4d86bcd3dc9. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/NLE872170101.
  date published: 2026-07-31T13:04:34Z
audio: Stamcafé
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.018
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.597
  additional property: Energy
    type: PropertyValue
    value: 0.889
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.164
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.403
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.346
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Curaçao Curaçao
type: MusicRecording
duration: PT2M17S
duration ms: 137686
explicit: false
by artist: Zanger Alex
in album: Polonaise Vol. 20 (2024)
  type: MusicAlbum
  date published: 2024-01-19
isrc code: NLE872310301
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc83a9eb0c35790a2622fe18320e91ffb1c4ac9999a39b1c32f6c1f3201f3c878
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE872310301
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc83a9eb0c35790a2622fe18320e91ffb1c4ac9999a39b1c32f6c1f3201f3c878. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/NLE872310301.
  date published: 2026-07-31T02:19:15Z
audio: Curaçao Curaçao
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.406
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.47
  additional property: Energy
    type: PropertyValue
    value: 0.973
  additional property: Speechiness
    type: PropertyValue
    value: 0.091
  additional property: Acousticness
    type: PropertyValue
    value: 0.057
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.317
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.841
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.307
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor