HDFM
type: MusicGroup
popularity: 19
followers: 194
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41dfa9146df5308edd5643960f93ff0a831c29925dbc568885d1008e866c7f88
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953633
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953633
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/31f92208-14f3-4957-bcc5-e013aa5c8a43.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/31f92208-14f3-4957-bcc5-e013aa5c8a43.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/31f92208-14f3-4957-bcc5-e013aa5c8a43
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T12:47:11Z
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 0x41dfa9146df5308edd5643960f93ff0a831c29925dbc568885d1008e866c7f88. Chain 2 (Bitcoin): anchored in block 953633 (2026-06-14T12:47:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/31f92208-14f3-4957-bcc5-e013aa5c8a43.json and https://artists.proofprofile.net/proofs/artist/31f92208-14f3-4957-bcc5-e013aa5c8a43.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T12:47:11Z
album: Benzo Hart / SCHEUREN
  type: MusicAlbum
  date published: 2025-06-07
  track: Benzo Hart / SCHEUREN
    type: MusicRecording
    duration: PT3M0S
    duration ms: 180679
    explicit: false
    by artist: HDFM
    in album: Benzo Hart / SCHEUREN
      type: MusicAlbum
      date published: 2025-06-07
    isrc code: QZTAY2534559
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T06:37:19+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4896fb8d3d88848d68903e698d44204880532eeff78842aea2641fee397fedf8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958383
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958383
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534559
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T08:20:01Z
    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 0x4896fb8d3d88848d68903e698d44204880532eeff78842aea2641fee397fedf8. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/QZTAY2534559.
      date published: 2026-07-17T08:20:01Z
    audio: Benzo Hart / SCHEUREN
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 155.99
      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: 0.533
      additional property: Energy
        type: PropertyValue
        value: 0.713
      additional property: Speechiness
        type: PropertyValue
        value: 0.043
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.002
      additional property: Liveness
        type: PropertyValue
        value: 0.373
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.711
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.189
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: bobenjos / Inflatie
  type: MusicAlbum
  date published: 2025-06-07
  track: bobenjos / Inflatie
    type: MusicRecording
    duration: PT3M24S
    duration ms: 204959
    explicit: false
    by artist: HDFM
    in album: bobenjos / Inflatie
      type: MusicAlbum
      date published: 2025-06-07
    isrc code: QZTAY2534584
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T12:49:22+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x086dbf56df7ff445914fc8a3ecc23c80745ee635a5e237db764cdc72b8167977
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956560
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956560
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534584
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T23:28:02Z
    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 0x086dbf56df7ff445914fc8a3ecc23c80745ee635a5e237db764cdc72b8167977. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QZTAY2534584.
      date published: 2026-07-03T23:28:02Z
    audio: bobenjos / Inflatie
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 91.392
      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: 0.642
      additional property: Energy
        type: PropertyValue
        value: 0.594
      additional property: Speechiness
        type: PropertyValue
        value: 0.053
      additional property: Acousticness
        type: PropertyValue
        value: 0.074
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.09
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.698
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.588
      additional property: Key Name
      additional property: Mode Name
album: Victor / Kabinetje
album: Paul Hespo / Stageplek
album: Stinky Steef & Blinde Bart / Roadtrip
album: Sleepy Animal / Patat
album: DJ Duke the Nuke / Mijn Bidon
album: Markexx / Ster
album: Miss Zenela / Mugje
album: Vrije Parkvogels / Jan Parkiet
album: Zilband / Atlantis
album: Alles Designer / Online
album: TOONTJE / Zwaartekracht
album: Don Haarlijn / Istanboel
album: Lydia / Hemelvaart
album: AIV2 / Schover
album: Michella / Voor Altijd
album: Michella / De Druppel
album: Tramadino / Pannekoekenboot
album: Bryan D'ord-Recht / Hernia
album: Bart Gerstens / Wekker
album: Drizzo / Sanka Fabriek
album: Flember / Overkant
album: Bryan D'ord-Recht / In De Ban
album: Laurens Bruinsma / Bolletjes
album: Ruben Borbeek / Specialist
album: アニメ ヨハン / Zalm Anime
album: Harry Stootelis / Wie Heeft Dit Gedaan
album: Glenn / Om Het Even
album: Kristy / Alles
album: Simpele Sieb / Bruh
album: Connie en Ad Timmermans / Vergeten Groenten
album: Veertje Voorrang / Klikken
album: BENИE / Zitplaats
album: NYTJE / Dry Scoop
album: Silverton / Kanonnen
album: Boyd Davis / Verleden
album: Bart Gerstens / Wil je geven
album: Emiel / Morse
album: Clubbo / Rennen
album: Paulius Ramswijk / De Wind
album: Touw / Vlieg Joop
album: Hans / Lief
album: Trude Tenorie / Uit De Mouw
album: Mickey Rijsveld / Plakkerig
album: Swingclub / Altijd Thuis
album: SERDA / Zelf Gejat
album: Bryan D'ord-Recht / De Zuster
album: Vlees Verraders / Robot Beats
album: Elliot Stevens / De Schepping
album: Fizzi / Proefrit
album: Sprinters / Juiste Been
album: Flexey / Freaky
album: De Mengroep / Drie Rode Lampjes
album: Ellen Lang / Rustig Wachten
album: Bounsa / Dommy Mommy
album: Atomic Passion / Kookeiland
album: FeetHunterz / Kip of het Ei
album: Anoniempje / Altijd
album: De Knip / De Snelste
album: Bennie Chelonioidea / Oceaan
album: Baylo Baby / Diep
album: Bas Overzwaan / Geruchten (van Doofpot de Musical)
album: Backflip Boys / Zo Verliefd
album: Connie en Ad Timmermans / Groenteboer Hermans

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Victor / Kabinetje
type: MusicAlbum
date published: 2025-06-07
track: Victor / Kabinetje
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171728
  explicit: false
  by artist: HDFM
  in album: Victor / Kabinetje
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2534582
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T00:00:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x11509a23f1a9a82a04146e7d3d862cfddce05103fc44ac8e9a31d401b9f4c349
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957778
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957778
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534582
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T00:08:48Z
  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 0x11509a23f1a9a82a04146e7d3d862cfddce05103fc44ac8e9a31d401b9f4c349. Chain 2 (Bitcoin): anchored in block 957778 (2026-07-13T00:08:48Z), 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/QZTAY2534582.
    date published: 2026-07-13T00:08:48Z
  audio: Victor / Kabinetje
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 179.983
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.727
    additional property: Energy
      type: PropertyValue
      value: 0.644
    additional property: Speechiness
      type: PropertyValue
      value: 0.1
    additional property: Acousticness
      type: PropertyValue
      value: 0.338
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.104
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.607
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.138
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Paul Hespo / Stageplek
type: MusicAlbum
date published: 2025-06-07
track: Paul Hespo / Stageplek
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151959
  explicit: false
  by artist: HDFM
  in album: Paul Hespo / Stageplek
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2534581
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T18:31:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbdf3e12179ec27684d42d929084c386f371e0657f1ede4f684463a3ca74863e1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958448
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958448
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534581
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T19:49:21Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdf3e12179ec27684d42d929084c386f371e0657f1ede4f684463a3ca74863e1. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZTAY2534581.
    date published: 2026-07-17T19:49:21Z
  audio: Paul Hespo / Stageplek
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 160.982
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.632
    additional property: Energy
      type: PropertyValue
      value: 0.717
    additional property: Speechiness
      type: PropertyValue
      value: 0.058
    additional property: Acousticness
      type: PropertyValue
      value: 0.002
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.222
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.503
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.83
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Stinky Steef & Blinde Bart / Roadtrip
type: MusicAlbum
date published: 2025-06-07
track: Stinky Steef & Blinde Bart / Roadtrip
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201080
  explicit: false
  by artist: HDFM
  in album: Stinky Steef & Blinde Bart / Roadtrip
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2534555
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T17:13:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8436215d328730e8d3fb70f5a88f08841197c32f59ac63d4c015ba3d0c3e3464
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958594
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958594
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534555
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T18:05:01Z
  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 0x8436215d328730e8d3fb70f5a88f08841197c32f59ac63d4c015ba3d0c3e3464. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/QZTAY2534555.
    date published: 2026-07-18T18:05:01Z
  audio: Stinky Steef & Blinde Bart / Roadtrip
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 170.011
    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: 0.6
    additional property: Energy
      type: PropertyValue
      value: 0.72
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.326
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.697
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.597
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Sleepy Animal / Patat
type: MusicAlbum
date published: 2025-06-07
track: Sleepy Animal / Patat
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158543
  explicit: false
  by artist: HDFM
  in album: Sleepy Animal / Patat
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2534628
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T02:30:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd17c3db6f688354d00ea2fdab79476b8e52382171de2e7aabb2389dc95921451
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958823
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958823
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534628
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T05:33:42Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd17c3db6f688354d00ea2fdab79476b8e52382171de2e7aabb2389dc95921451. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T05:33:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534628.
    date published: 2026-07-20T05:33:42Z
  audio: Sleepy Animal / Patat
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 177.989
    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: 0.62
    additional property: Energy
      type: PropertyValue
      value: 0.66
    additional property: Speechiness
      type: PropertyValue
      value: 0.071
    additional property: Acousticness
      type: PropertyValue
      value: 0.008
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.143
    additional property: Liveness
      type: PropertyValue
      value: 0.243
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.699
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.761
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

DJ Duke the Nuke / Mijn Bidon
type: MusicAlbum
date published: 2025-06-07
track: DJ Duke the Nuke / Mijn Bidon
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147748
  explicit: false
  by artist: HDFM
  in album: DJ Duke the Nuke / Mijn Bidon
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2534557
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T11:56:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xda572f0c7c40516196626c315e970fe5ac01077a160f29d2c774bfdf29af4c10
  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/QZTAY2534557
  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 0xda572f0c7c40516196626c315e970fe5ac01077a160f29d2c774bfdf29af4c10. 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/QZTAY2534557.
    date published: 2026-07-16T12:43:37Z
  audio: DJ Duke the Nuke / Mijn Bidon
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.997
    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: 0.867
    additional property: Energy
      type: PropertyValue
      value: 0.499
    additional property: Speechiness
      type: PropertyValue
      value: 0.081
    additional property: Acousticness
      type: PropertyValue
      value: 0.167
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.008
    additional property: Liveness
      type: PropertyValue
      value: 0.081
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.722
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.856
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Markexx / Ster
type: MusicAlbum
date published: 2025-06-07
track: Markexx / Ster
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155559
  explicit: true
  by artist: HDFM
  in album: Markexx / Ster
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2534580
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T16:09:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9e41dd3680e34ed2696aa40195725b8b97205a638e9ffd046a30146162902680
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958448
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958448
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534580
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T19:49:21Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e41dd3680e34ed2696aa40195725b8b97205a638e9ffd046a30146162902680. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZTAY2534580.
    date published: 2026-07-17T19:49:21Z
  audio: Markexx / Ster
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 125.009
    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: 0.772
    additional property: Energy
      type: PropertyValue
      value: 0.715
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.003
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.144
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.721
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.166
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Miss Zenela / Mugje
type: MusicAlbum
date published: 2025-06-07
track: Miss Zenela / Mugje
  type: MusicRecording
  duration: PT2M3S
  duration ms: 123680
  explicit: false
  by artist: HDFM
  in album: Miss Zenela / Mugje
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2534558
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T18:35:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf760b71a2c5acb6533961202adaacc59463769cb111003a5c88cc42a7dd4d459
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958771
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958771
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534558
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T21:38:11Z
  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 0xf760b71a2c5acb6533961202adaacc59463769cb111003a5c88cc42a7dd4d459. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T21:38:11Z), 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/QZTAY2534558.
    date published: 2026-07-19T21:38:11Z
  audio: Miss Zenela / Mugje
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 155.021
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.686
    additional property: Energy
      type: PropertyValue
      value: 0.824
    additional property: Speechiness
      type: PropertyValue
      value: 0.061
    additional property: Acousticness
      type: PropertyValue
      value: 0.026
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.318
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.471
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.615
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

Vrije Parkvogels / Jan Parkiet
type: MusicAlbum
date published: 2025-06-07
track: Vrije Parkvogels / Jan Parkiet
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162873
  explicit: false
  by artist: HDFM
  in album: Vrije Parkvogels / Jan Parkiet
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2534551
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T04:31:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x23a448eb151e185b266c6f5ad66e509357413204d8d735f106832e60ec36b2e0
  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/QZTAY2534551
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23a448eb151e185b266c6f5ad66e509357413204d8d735f106832e60ec36b2e0. 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/QZTAY2534551.
    date published: 2026-07-03T08:56:35Z
  audio: Vrije Parkvogels / Jan Parkiet
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.028
    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: 0.893
    additional property: Energy
      type: PropertyValue
      value: 0.501
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.008
    additional property: Liveness
      type: PropertyValue
      value: 0.106
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.79
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.721
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Zilband / Atlantis
type: MusicAlbum
date published: 2025-06-07
track: Zilband / Atlantis
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206520
  explicit: false
  by artist: HDFM
  in album: Zilband / Atlantis
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2572117
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T15:31:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdaa94093f7186aee4132d18f608f46b9a114072742ea2331a767d2248b2119a0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958300
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958300
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2572117
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T16:14:30Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaa94093f7186aee4132d18f608f46b9a114072742ea2331a767d2248b2119a0. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2572117.
    date published: 2026-07-16T16:14:30Z
  audio: Zilband / Atlantis
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 137.985
    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: 0.893
    additional property: Energy
      type: PropertyValue
      value: 0.401
    additional property: Speechiness
      type: PropertyValue
      value: 0.072
    additional property: Acousticness
      type: PropertyValue
      value: 0.09
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.1
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.925
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.844
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Alles Designer / Online
type: MusicAlbum
date published: 2025-06-07

TOONTJE / Zwaartekracht
type: MusicAlbum
date published: 2025-06-07
track: TOONTJE / Frietzaak
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198159
  explicit: false
  by artist: HDFM
  in album: TOONTJE / Zwaartekracht
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2534629
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T21:02:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf6e63ef79fd0c74989bf6b44ba6d7d9315b4866c72e76c3eaa404b1481b36277
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534629
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6e63ef79fd0c74989bf6b44ba6d7d9315b4866c72e76c3eaa404b1481b36277. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534629.
    date published: 2026-07-04T11:19:20Z
  audio: TOONTJE / Frietzaak
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 122.042
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.887
    additional property: Energy
      type: PropertyValue
      value: 0.381
    additional property: Speechiness
      type: PropertyValue
      value: 0.056
    additional property: Acousticness
      type: PropertyValue
      value: 0.222
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.151
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.731
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.331
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: TOONTJE / Niet Alleen
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217599
  explicit: false
  by artist: HDFM
  in album: TOONTJE / Zwaartekracht
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2534630
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T17:43:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x34513766ce8e30fdd00a55d61cf5f9b35bf6067e62825ad214e9809b48b4b97f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958761
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958761
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534630
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T20:45:19Z
  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 0x34513766ce8e30fdd00a55d61cf5f9b35bf6067e62825ad214e9809b48b4b97f. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:45:19Z), 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/QZTAY2534630.
    date published: 2026-07-19T20:45:19Z
  audio: TOONTJE / Niet Alleen
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.92
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.829
    additional property: Energy
      type: PropertyValue
      value: 0.409
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.259
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.14
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.661
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.047
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: TOONTJE / Zwaartekracht
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160839
  explicit: false
  by artist: HDFM
  in album: TOONTJE / Zwaartekracht
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2534631
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T09:39:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf570a8f5de58af7cd8df8b1a84df30b15f54be1fb6ed24d4f33085f0d751ad57
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958857
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958857
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534631
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: TOONTJE / Zwaartekracht

OTSTimestamp
type: PropertyValue
value: 2026-07-20T09:45:25Z

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 0xf570a8f5de58af7cd8df8b1a84df30b15f54be1fb6ed24d4f33085f0d751ad57. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/QZTAY2534631.
date published: 2026-07-20T09:45:25Z

TOONTJE / Zwaartekracht
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 101.981
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: 0.851
additional property: Energy
  type: PropertyValue
  value: 0.343
additional property: Speechiness
  type: PropertyValue
  value: 0.063
additional property: Acousticness
  type: PropertyValue
  value: 0.495
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.189
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.717
additional property: Loudness (dB)
  type: PropertyValue
  value: -13.504
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

Don Haarlijn / Istanboel
type: MusicAlbum
date published: 2025-06-07
track: Don Haarlijn / Istanboel
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193199
  explicit: false
  by artist: HDFM
  in album: Don Haarlijn / Istanboel
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2534603
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T07:08:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x783212aff42ac1214fbe8afae65538b7cbf7cfb3e73cb25cece397ab3a7e02b2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958388
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958388
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534603
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T09:14:21Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x783212aff42ac1214fbe8afae65538b7cbf7cfb3e73cb25cece397ab3a7e02b2. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/QZTAY2534603.
    date published: 2026-07-17T09:14:21Z
  audio: Don Haarlijn / Istanboel
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 150.006
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.768
    additional property: Energy
      type: PropertyValue
      value: 0.549
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.144
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.872
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.284
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Lydia / Hemelvaart
type: MusicAlbum
date published: 2025-06-07
track: Lydia / Hemelvaart
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191764
  explicit: false
  by artist: HDFM
  in album: Lydia / Hemelvaart
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2534589
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T02:03:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe29fdb1dcbdcf0cbe1a738947783b2acf1dc666c29491e576a07f57534f6c6fc
  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/QZTAY2534589
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe29fdb1dcbdcf0cbe1a738947783b2acf1dc666c29491e576a07f57534f6c6fc. 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/QZTAY2534589.
    date published: 2026-07-04T10:04:33Z
  audio: Lydia / Hemelvaart
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.011
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.886
    additional property: Energy
      type: PropertyValue
      value: 0.438
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.027
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.483
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.449
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

AIV2 / Schover
type: MusicAlbum
date published: 2025-06-07
track: AIV2 / Schover
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209919
  explicit: false
  by artist: HDFM
  in album: AIV2 / Schover
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2534539
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T04:35:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4f41840860a8a26b26e5e960deb2ff743cb3c76b0bc68fe77b888a675c3e18a0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958245
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958245
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2534539
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T07:38:34Z
  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 0x4f41840860a8a26b26e5e960deb2ff743cb3c76b0bc68fe77b888a675c3e18a0. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:38:34Z), 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/QZTAY2534539.
    date published: 2026-07-16T07:38:34Z
  audio: AIV2 / Schover
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 90.003
    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: 0.749
    additional property: Energy
      type: PropertyValue
      value: 0.73
    additional property: Speechiness
      type: PropertyValue
      value: 0.067
    additional property: Acousticness
      type: PropertyValue
      value: 0.196
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.665
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.038
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Michella / Voor Altijd
type: MusicAlbum
date published: 2025-06-07
track: Michella / Voor Altijd
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190223
  explicit: false
  by artist: HDFM
  in album: Michella / Voor Altijd
    type: MusicAlbum
    date published: 2025-06-07
  isrc code: QZTAY2569986
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T01:48:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0f312f79aefb8d084e161efe07a0586b1c9c6ba47ec9edb1cbe6fd22abe3b524
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956790
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956790
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2569986
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T00:28:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f312f79aefb8d084e161efe07a0586b1c9c6ba47ec9edb1cbe6fd22abe3b524. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-20T00:28:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAY2569986.
    date published: 2026-07-20T00:28:20Z
  audio: Michella / Voor Altijd
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 138.006
    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: 0.794
    additional property: Energy
      type: PropertyValue
      value: 0.567
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.085
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.112
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.369
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.489
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Michella / De Druppel
type: MusicAlbum
date published: 2025-06-07

Tramadino / Pannekoekenboot
type: MusicAlbum
date published: 2025-06-18
track: Tramadino / Pannekoekenboot
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159759
  explicit: false
  by artist: HDFM
  in album: Tramadino / Pannekoekenboot
    type: MusicAlbum
    date published: 2025-06-18
  isrc code: QZTB52570640
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T20:53:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xee3729fbb2f9cf601621e4904f69f24c8e5d208ed1a8a81a7b268c7804d7bd12
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB52570640
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  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 0xee3729fbb2f9cf601621e4904f69f24c8e5d208ed1a8a81a7b268c7804d7bd12. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZTB52570640.
    date published: 2026-07-05T01:43:49Z
  audio: Tramadino / Pannekoekenboot
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 141.998
    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: 0.803
    additional property: Energy
      type: PropertyValue
      value: 0.525
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.16
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.45
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.817
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.679
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Bryan D'ord-Recht / Hernia
type: MusicAlbum
date published: 2025-06-20
track: Bryan D'ord-Recht / Hernia
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236329
  explicit: true
  by artist: HDFM
  in album: Bryan D'ord-Recht / Hernia
    type: MusicAlbum
    date published: 2025-06-20
  isrc code: QZTB62565515
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T21:00:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4e0b64aea00517f0b0bfcabe035c722758a5e489e056697819959b43d7ce8377
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB62565515
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e0b64aea00517f0b0bfcabe035c722758a5e489e056697819959b43d7ce8377. 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/QZTB62565515.
    date published: 2026-07-05T01:12:41Z
  audio: Bryan D'ord-Recht / Hernia
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.806
    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: 0.717
    additional property: Energy
      type: PropertyValue
      value: 0.708
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.08
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.94
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.357
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

Bart Gerstens / Wekker
type: MusicAlbum
date published: 2025-06-20

Drizzo / Sanka Fabriek
type: MusicAlbum
date published: 2025-06-20
track: Drizzo / Sanka Fabriek
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158519
  explicit: true
  by artist: HDFM
  in album: Drizzo / Sanka Fabriek
    type: MusicAlbum
    date published: 2025-06-20
  isrc code: QZTB62529055
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T21:17:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc44337d2ebfb0c82b86d861c9d1e39cceb940bcf6a050a1032d773f0335a16ea
  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/QZTB62529055
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T00:12:29Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc44337d2ebfb0c82b86d861c9d1e39cceb940bcf6a050a1032d773f0335a16ea. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-20T00:12:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB62529055.
    date published: 2026-07-20T00:12:29Z
  audio: Drizzo / Sanka Fabriek
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.978
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.872
    additional property: Energy
      type: PropertyValue
      value: 0.417
    additional property: Speechiness
      type: PropertyValue
      value: 0.098
    additional property: Acousticness
      type: PropertyValue
      value: 0.244
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.069
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.643
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.778
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Flember / Overkant
type: MusicAlbum
date published: 2025-06-20

Bryan D'ord-Recht / In De Ban
type: MusicAlbum
date published: 2025-06-20

Laurens Bruinsma / Bolletjes
type: MusicAlbum
date published: 2025-06-20

Ruben Borbeek / Specialist
type: MusicAlbum
date published: 2025-06-20

アニメ ヨハン / Zalm Anime
type: MusicAlbum
date published: 2025-06-20
track: アニメ ヨハン / Zalm Anime
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171959
  explicit: false
  by artist: HDFM
  in album: アニメ ヨハン / Zalm Anime
    type: MusicAlbum
    date published: 2025-06-20
  isrc code: QZTB62567467
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T07:35:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x65f2fa508c3076058a4d5029d39570b518a9ece55f3f98282d3fa90b1f66392e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB62567467
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0x65f2fa508c3076058a4d5029d39570b518a9ece55f3f98282d3fa90b1f66392e. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZTB62567467.
    date published: 2026-07-05T10:01:46Z
  audio: アニメ ヨハン / Zalm Anime
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 157.085
    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: 0.559
    additional property: Energy
      type: PropertyValue
      value: 0.592
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.261
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.57
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.195
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Harry Stootelis / Wie Heeft Dit Gedaan
type: MusicAlbum
date published: 2025-06-20

Glenn / Om Het Even
type: MusicAlbum
date published: 2025-06-20

Kristy / Alles
type: MusicAlbum
date published: 2025-06-20

Simpele Sieb / Bruh
type: MusicAlbum
date published: 2025-06-20

Connie en Ad Timmermans / Vergeten Groenten
type: MusicAlbum
date published: 2025-06-20

Veertje Voorrang / Klikken
type: MusicAlbum
date published: 2025-06-20

BENИE / Zitplaats
type: MusicAlbum
date published: 2025-06-20

NYTJE / Dry Scoop
type: MusicAlbum
date published: 2025-06-20
track: NYTJE / Dry Scoop
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226319
  explicit: false
  by artist: HDFM
  in album: NYTJE / Dry Scoop
    type: MusicAlbum
    date published: 2025-06-20
  isrc code: QZTB62527018
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T09:26:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8ebc2f261a7734e0b8a930d38d714d7c8fcb55c0fdac39c6ef8b57e8c548772c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB62527018
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ebc2f261a7734e0b8a930d38d714d7c8fcb55c0fdac39c6ef8b57e8c548772c. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB62527018.
    date published: 2026-07-04T11:19:20Z
  audio: NYTJE / Dry Scoop
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 153.034
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.729
    additional property: Energy
      type: PropertyValue
      value: 0.593
    additional property: Speechiness
      type: PropertyValue
      value: 0.058
    additional property: Acousticness
      type: PropertyValue
      value: 0.013
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.019
    additional property: Liveness
      type: PropertyValue
      value: 0.211
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.578
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.403
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Silverton / Kanonnen
type: MusicAlbum
date published: 2025-06-20
track: Silverton / Kanonnen
  type: MusicRecording
  duration: PT3M59S
  duration ms: 239999
  explicit: false
  by artist: HDFM
  in album: Silverton / Kanonnen
    type: MusicAlbum
    date published: 2025-06-20
  isrc code: QZTB62534882
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T06:45:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7b1d3ce9ee07f827bdc9fb5fb7343fc02041e6bc66eae5a2af95cfa8fc654075
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB62534882
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0x7b1d3ce9ee07f827bdc9fb5fb7343fc02041e6bc66eae5a2af95cfa8fc654075. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZTB62534882.
    date published: 2026-07-05T10:01:46Z
  audio: Silverton / Kanonnen
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 116.404
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.67
    additional property: Energy
      type: PropertyValue
      value: 0.832
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.011
    additional property: Liveness
      type: PropertyValue
      value: 0.137
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.864
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.185
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Boyd Davis / Verleden
type: MusicAlbum
date published: 2025-06-20

Bart Gerstens / Wil je geven
type: MusicAlbum
date published: 2025-06-20

Emiel / Morse
type: MusicAlbum
date published: 2025-06-21

Clubbo / Rennen
type: MusicAlbum
date published: 2025-06-21
track: Clubbo / Rennen
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191679
  explicit: false
  by artist: HDFM
  in album: Clubbo / Rennen
    type: MusicAlbum
    date published: 2025-06-21
  isrc code: QZTB72510268
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T03:16:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5ddbdcdcb3149eb09192ccb4e31da7f7c4205689e9b546ba86c6f99069b2d635
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956889
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB72510268
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  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 0x5ddbdcdcb3149eb09192ccb4e31da7f7c4205689e9b546ba86c6f99069b2d635. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/QZTB72510268.
    date published: 2026-07-06T06:56:49Z
  audio: Clubbo / Rennen
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.994
    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: 0.759
    additional property: Energy
      type: PropertyValue
      value: 0.571
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.002
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.008
    additional property: Liveness
      type: PropertyValue
      value: 0.13
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.616
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.351
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Paulius Ramswijk / De Wind
type: MusicAlbum
date published: 2025-06-21

Touw / Vlieg Joop
type: MusicAlbum
date published: 2025-06-21

Hans / Lief
type: MusicAlbum
date published: 2025-06-21

Trude Tenorie / Uit De Mouw
type: MusicAlbum
date published: 2025-06-21

Mickey Rijsveld / Plakkerig
type: MusicAlbum
date published: 2025-06-21

Swingclub / Altijd Thuis
type: MusicAlbum
date published: 2025-06-21

SERDA / Zelf Gejat
type: MusicAlbum
date published: 2025-06-21

Bryan D'ord-Recht / De Zuster
type: MusicAlbum
date published: 2025-06-21

Vlees Verraders / Robot Beats
type: MusicAlbum
date published: 2025-06-21
track: Vlees Verraders / Robot Beats
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199479
  explicit: false
  by artist: HDFM
  in album: Vlees Verraders / Robot Beats
    type: MusicAlbum
    date published: 2025-06-21
  isrc code: QZTB72501973
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T08:20:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x97afbfa6305d3e98cec276b73be1ef23eb39531d20aa96b19f1a028cc4a1abed
  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/QZTB72501973
  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 0x97afbfa6305d3e98cec276b73be1ef23eb39531d20aa96b19f1a028cc4a1abed. 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/QZTB72501973.
    date published: 2026-07-05T10:59:37Z
  audio: Vlees Verraders / Robot Beats
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.035
    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: 0.926
    additional property: Energy
      type: PropertyValue
      value: 0.365
    additional property: Speechiness
      type: PropertyValue
      value: 0.08
    additional property: Acousticness
      type: PropertyValue
      value: 0.308
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.046
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.778
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.335
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Elliot Stevens / De Schepping
type: MusicAlbum
date published: 2025-06-21

Fizzi / Proefrit
type: MusicAlbum
date published: 2025-06-21

Sprinters / Juiste Been
type: MusicAlbum
date published: 2025-06-21

Flexey / Freaky
type: MusicAlbum
date published: 2025-06-21

De Mengroep / Drie Rode Lampjes
type: MusicAlbum
date published: 2025-08-01

Ellen Lang / Rustig Wachten
type: MusicAlbum
date published: 2025-08-01

Bounsa / Dommy Mommy
type: MusicAlbum
date published: 2025-08-01

Atomic Passion / Kookeiland
type: MusicAlbum
date published: 2025-08-01

FeetHunterz / Kip of het Ei
type: MusicAlbum
date published: 2025-08-01

Anoniempje / Altijd
type: MusicAlbum
date published: 2025-08-01

De Knip / De Snelste
type: MusicAlbum
date published: 2025-08-01

Bennie Chelonioidea / Oceaan
type: MusicAlbum
date published: 2025-08-01

Baylo Baby / Diep
type: MusicAlbum
date published: 2025-08-01

Bas Overzwaan / Geruchten (van Doofpot de Musical)
type: MusicAlbum
date published: 2025-08-01

Backflip Boys / Zo Verliefd
type: MusicAlbum
date published: 2025-08-01

Connie en Ad Timmermans / Groenteboer Hermans
type: MusicAlbum
date published: 2025-08-01

F&NNA / Jaren 80
type: MusicAlbum
date published: 2025-08-01

Brandweerman Boele / Uitgeblust
type: MusicAlbum
date published: 2025-08-01

A.K. Bill / Bundabuilder
type: MusicAlbum
date published: 2025-08-01

bobenjos / Gevangen
type: MusicAlbum
date published: 2025-08-01

Daisy Mae / Kompas
type: MusicAlbum
date published: 2025-08-01

Clubbo / Uppie
type: MusicAlbum
date published: 2025-08-01

Finnavibe / Lurven
type: MusicAlbum
date published: 2025-08-01

Ansjo & Giebel / De Afsluitdijk
type: MusicAlbum
date published: 2025-08-01

Anton Moot / Zomertijd
type: MusicAlbum
date published: 2025-08-01

Benenwagen / Staken
type: MusicAlbum
date published: 2025-08-01

Blaba / Schatje die kans
type: MusicAlbum
date published: 2025-08-01

Clone / Watersnood
type: MusicAlbum
date published: 2025-08-01

Dr. Clyde & Mr. Bonnie / Jumping is not a Crime
type: MusicAlbum
date published: 2025-08-01

Alles Designer / Club
type: MusicAlbum
date published: 2025-08-01

Bart Elstar / Mummy
type: MusicAlbum
date published: 2025-08-01

Connie en Ad Timmermans / Allerlaatste Feestje
type: MusicAlbum
date published: 2025-08-01

Bob Beune / Nachtbraker (HDFM Official Soundtrack)
type: MusicAlbum
date published: 2025-08-01

Daveje / Bitcoin
type: MusicAlbum
date published: 2025-08-01

Étoile Mauvaise / Frankrijk
type: MusicAlbum
date published: 2025-08-01

Bryan D'ord-Recht / Agressie
type: MusicAlbum
date published: 2025-08-01

De Natte Kastanjes / Guidootje de Pad
type: MusicAlbum
date published: 2025-08-01

De Kromme Spaken / Final_Final_CANCELLED
type: MusicAlbum
date published: 2025-08-01

Lemon / Verboden Grappen
type: MusicAlbum
date published: 2025-08-02

Karsten Peunekom / Het Roer
type: MusicAlbum
date published: 2025-08-02

Leo Spuigat / Weekend
type: MusicAlbum
date published: 2025-08-02

Leo Spuigat / Loyaliteit
type: MusicAlbum
date published: 2025-08-02

Hendricks Hendrickszoon / Kanonnenvoer
type: MusicAlbum
date published: 2025-08-02

Grilbroers / Vlees
type: MusicAlbum
date published: 2025-08-02

Hendrik Stapel / Zo'n Dorst
type: MusicAlbum
date published: 2025-08-02

IAM60 / Even Niet
type: MusicAlbum
date published: 2025-08-02

Leo Spuigat / Vakantie
type: MusicAlbum
date published: 2025-08-02

Kings / Jagers Op De Storm
type: MusicAlbum
date published: 2025-08-02

Jango Fandango / Zielig
type: MusicAlbum
date published: 2025-08-02

Hekwerk / Benen
type: MusicAlbum
date published: 2025-08-02

Kladblok / L
type: MusicAlbum
date published: 2025-08-02

Karel Rughte / Klimmen
type: MusicAlbum
date published: 2025-08-02

Lara / Natuurwonder
type: MusicAlbum
date published: 2025-08-02

Hyper Crush / Grote Winst
type: MusicAlbum
date published: 2025-08-02

Gordon Wielsma / Het Wiel
type: MusicAlbum
date published: 2025-08-02

Ken Jay / Verzamelaartje
type: MusicAlbum
date published: 2025-08-02

Frenkie / Frenkie Shuffle
type: MusicAlbum
date published: 2025-08-02

Gerbalso Prano / Oujia
type: MusicAlbum
date published: 2025-08-02

HERRE / KLAGEN
type: MusicAlbum
date published: 2025-08-02

G'woon / Bakkelös'n
type: MusicAlbum
date published: 2025-08-02

G'woon / Fatbike
type: MusicAlbum
date published: 2025-08-02

Ja! Alles Naar Wens
type: MusicAlbum
date published: 2025-08-02

Fizzi / Ballen
type: MusicAlbum
date published: 2025-08-02

Gustav & Jonas / Tirol
type: MusicAlbum
date published: 2025-08-02

Gwenn (om het even)
type: MusicAlbum
date published: 2025-08-02

Smullebak / Mag ik je Consent
type: MusicAlbum
date published: 2025-10-06

Peter Pascal / Euro 95
type: MusicAlbum
date published: 2025-10-06

Minzes / Airco
type: MusicAlbum
date published: 2025-10-06

Vonkyboys / Cool Effect
type: MusicAlbum
date published: 2025-10-06

TOONTJE / Noordpool
type: MusicAlbum
date published: 2025-10-06

Simon de Mees / Slapen is voor Sukkels
type: MusicAlbum
date published: 2025-10-06

Ronnie Rafel / Loodgieter
type: MusicAlbum
date published: 2025-10-06

Randy / In De Club
type: MusicAlbum
date published: 2025-10-06

ROOS / Monopolie
type: MusicAlbum
date published: 2025-10-06

Quasi / Laat je lekker gaan
type: MusicAlbum
date published: 2025-10-06

Polray Remmer / Samen
type: MusicAlbum
date published: 2025-10-06

Marina Braaf / 112
type: MusicAlbum
date published: 2025-10-06

Tenso / Wat zou je ervan denken
type: MusicAlbum
date published: 2025-10-06

Ricky Flow / Mannetje
type: MusicAlbum
date published: 2025-10-06

Randy / Laag
type: MusicAlbum
date published: 2025-10-06

Rook & Roest / De Camping
type: MusicAlbum
date published: 2025-10-06

Rap Dave / Wederopstand
type: MusicAlbum
date published: 2025-10-06

Rap Dave / Upgrade
type: MusicAlbum
date published: 2025-10-06

Stinky Steef / Klusjesman
type: MusicAlbum
date published: 2025-10-06

Rap Dave / Emotioneel
type: MusicAlbum
date published: 2025-10-06

Ronald Darniksveld / Mijn Best
type: MusicAlbum
date published: 2025-10-06

Tenso / Wat zou je ervan vinden
type: MusicAlbum
date published: 2025-10-06

Ned Jordan / Spiegelhuis
type: MusicAlbum
date published: 2025-10-06

Ms. B / Chill
type: MusicAlbum
date published: 2025-10-06

Miss. Zenela / Zoemen
type: MusicAlbum
date published: 2025-10-06

Sef Ranpa / Skeletten
type: MusicAlbum
date published: 2025-10-06

Nol van Paulo / Engeltje
type: MusicAlbum
date published: 2025-10-06

Smullebak / Flora en Fauna
type: MusicAlbum
date published: 2025-10-06

Vilsingers / Arsenaal
type: MusicAlbum
date published: 2025-10-06

Snoepert / De Beurs
type: MusicAlbum
date published: 2025-10-06

S8XY BLUE / Kitten
type: MusicAlbum
date published: 2025-10-06

Lucas Music / Zoetje
type: MusicAlbum
date published: 2025-10-06

TOOMPJE / Epilepsie
type: MusicAlbum
date published: 2025-10-06

Sef Ranpa / Siroop
type: MusicAlbum
date published: 2025-10-06

Lilly Jamey / One Step Forward
type: MusicAlbum
date published: 2025-10-06

Simpele Sieb / Holle Bolle
type: MusicAlbum
date published: 2025-10-06

Ondernemer Kenji / Afwas
type: MusicAlbum
date published: 2025-10-06

Zilband / Zeemeermin
type: MusicAlbum
date published: 2025-10-06

Plien / Denken
type: MusicAlbum
date published: 2025-10-06

Luka / Links, Rechts, Links
type: MusicAlbum
date published: 2025-10-06

Thomes / Discomunt
type: MusicAlbum
date published: 2025-10-06

Alles Designer / Trouwen
type: MusicAlbum
date published: 2025-10-08

John Bangers / Dip
type: MusicAlbum
date published: 2025-10-08

Blaba / Nummers
type: MusicAlbum
date published: 2025-10-08

Boeiem / Stomme Dingen
type: MusicAlbum
date published: 2025-10-08

VnF / Schemer
type: MusicAlbum
date published: 2025-10-08

Kim / De Vloed
type: MusicAlbum
date published: 2025-10-08