Bertolf
type: MusicGroup
genre: nederpop
genre: singer-songwriter
popularity: 31
followers: 11290
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6c086e745abb5ed90a2a98db40b273b02addfe3806a7f4d6298eb3551b8a87d1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c2a7095-36b9-4355-8d78-3478fed5dd82.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7c2a7095-36b9-4355-8d78-3478fed5dd82.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7c2a7095-36b9-4355-8d78-3478fed5dd82
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c086e745abb5ed90a2a98db40b273b02addfe3806a7f4d6298eb3551b8a87d1. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7c2a7095-36b9-4355-8d78-3478fed5dd82.json and https://artists.proofprofile.net/proofs/artist/7c2a7095-36b9-4355-8d78-3478fed5dd82.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Another Day
  type: MusicAlbum
  date published: 2008-11-14
album: For Life
  type: MusicAlbum
  date published: 2009-01-02
  track: Mr. Light
    type: MusicRecording
    duration: PT3M24S
    duration ms: 204920
    explicit: false
    by artist: Bertolf
    in album: For Life
      type: MusicAlbum
      date published: 2009-01-02
    genre: nederpop
    genre: singer-songwriter
    isrc code: NLZ290800065
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T23:40:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x58946f5b0df3b613f0d5e1dacc3df146b9c5535549319515b262f7b708e7444c
    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/NLZ290800065
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58946f5b0df3b613f0d5e1dacc3df146b9c5535549319515b262f7b708e7444c. 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/NLZ290800065.
      date published: 2026-07-04T11:19:20Z
    audio: Mr. Light
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 139.993
      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: 0.466
      additional property: Energy
        type: PropertyValue
        value: 0.808
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.002
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.249
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.468
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.483
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Don't Wanna Lose You Yet
    type: MusicRecording
    duration: PT2M51S
    duration ms: 171520
    explicit: false
    by artist: Bertolf
    in album: For Life
      type: MusicAlbum
      date published: 2009-01-02
    genre: nederpop
    genre: singer-songwriter
    isrc code: NLZ290800070
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T02:10:41+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3b8be1b3920de981db6741357c9b83312b5054e13966f083207fae0bf8211601
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958349
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958349
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLZ290800070
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T02:28:59Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b8be1b3920de981db6741357c9b83312b5054e13966f083207fae0bf8211601. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T02:28:59Z), 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/NLZ290800070.
      date published: 2026-07-17T02:28:59Z
    audio: Don't Wanna Lose You Yet
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 82.021
      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: 0.519
      additional property: Energy
        type: PropertyValue
        value: 0.22
      additional property: Speechiness
        type: PropertyValue
        value: 0.029
      additional property: Acousticness
        type: PropertyValue
        value: 0.829
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.293
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Mr. Light
album: Beggin'
album: Feel You
album: For Life (X-Mas Bonus Track Version)
album: Two In A Million
album: Snakes & Ladders
album: Snakes & Ladders (Bonus Track Version)
album: Cut Me Loose
album: English Roses
album: Mary
album: Bertolf
album: Jericho
album: Help Me Stand
album: First & Then (Bonustrack Edition)
album: First & Then
album: Track by Track First & Then
album: Already Down
album: Wintertime #2
album: Please Come Back In My Life
album: Please Come Back in My Life
album: Big Shadows of Small Things
album: Love (Concertgebouw Sessions)
album: Passover
album: Don't Look Up, Don't Look Down
album: Back to the Garden
album: Happy in Hindsight
album: Only Together
album: Team Hoover
album: Before The Storm
album: The Way I Love You Now
album: Bluefinger
album: Hysteria
album: Tell It To The Kids
album: Ain't No Running Around It
track: Won't You Let Me Have My Way With You

Valence (Positivity)
type: PropertyValue
value: 0.608

Loudness (dB)
type: PropertyValue
value: -14.279

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

For Life
type: MusicAlbum
date published: 2009-03-23

Mr. Light
type: MusicAlbum
date published: 2009-06-05

Beggin'
type: MusicAlbum
date published: 2009-07-27
track: Beggin' - Live @ Giel 3FM
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220943
  explicit: false
  by artist: Bertolf
  in album: Beggin'
    type: MusicAlbum
    date published: 2009-07-27
  genre: nederpop
  genre: singer-songwriter
  isrc code: NLZ290900024
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T16:48:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x52aa8fedb168821222a578865fd0cf9a6a7709483f709b1bf543670e4342e3b4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958316
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958316
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLZ290900024
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T19:42:29Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52aa8fedb168821222a578865fd0cf9a6a7709483f709b1bf543670e4342e3b4. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/NLZ290900024.
    date published: 2026-07-16T19:42:29Z
  audio: Beggin' - Live @ Giel 3FM
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.065
    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: 0.694
    additional property: Energy
      type: PropertyValue
      value: 0.601
    additional property: Speechiness
      type: PropertyValue
      value: 0.066
    additional property: Acousticness
      type: PropertyValue
      value: 0.632
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.086
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.528
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.551
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Feel You
type: MusicAlbum
date published: 2009-11-06

For Life (X-Mas Bonus Track Version)
type: MusicAlbum
date published: 2009-11-26

Two In A Million
type: MusicAlbum
date published: 2010-03-05

Snakes & Ladders
type: MusicAlbum
date published: 2010-04-23

Snakes & Ladders (Bonus Track Version)
type: MusicAlbum
date published: 2010-04-23

Cut Me Loose
type: MusicAlbum
date published: 2010-06-11

Snakes & Ladders
type: MusicAlbum
date published: 2010-10-01

English Roses
type: MusicAlbum
date published: 2011-12-09

Mary
type: MusicAlbum
date published: 2012-03-16

Bertolf
type: MusicAlbum
date published: 2012-03-23

Bertolf
type: MusicAlbum
date published: 2012-03-23
track: Mary
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217074
  explicit: false
  by artist: Bertolf
  in album: Bertolf
    type: MusicAlbum
    date published: 2012-03-23
  genre: nederpop
  genre: singer-songwriter
  isrc code: NLZ291200049
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T22:57:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4c4cb7b1ff1fdedcc4207585eb46f5563e4b40f09b09ddca61eae6419ca865b1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956420
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956420
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLZ291200049
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T00:42:11Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c4cb7b1ff1fdedcc4207585eb46f5563e4b40f09b09ddca61eae6419ca865b1. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/NLZ291200049.
    date published: 2026-07-03T00:42:11Z
  audio: Mary
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 176.543
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.412
    additional property: Energy
      type: PropertyValue
      value: 0.147
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.909
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.113
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.662
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.206
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Jericho
type: MusicAlbum
date published: 2015-06-24

Help Me Stand
type: MusicAlbum
date published: 2015-08-28

Help Me Stand
type: MusicAlbum
date published: 2015-08-28

First & Then (Bonustrack Edition)
type: MusicAlbum
date published: 2015-09-18

First & Then
type: MusicAlbum
date published: 2015-09-18
track: First & Then
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188308
  explicit: false
  by artist: Bertolf
  in album: First & Then
    type: MusicAlbum
    date published: 2015-09-18
  genre: nederpop
  genre: singer-songwriter
  isrc code: NLZ291500075
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T05:41:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x10ccde0c33ef2e804baee2446d03a06dc6087401d08afb1646d750e99228f1f3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLZ291500075
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10ccde0c33ef2e804baee2446d03a06dc6087401d08afb1646d750e99228f1f3. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLZ291500075.
    date published: 2026-07-02T16:51:38Z
  audio: First & Then
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.043
    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: 0.605
    additional property: Energy
      type: PropertyValue
      value: 0.374
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.685
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.085
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.307
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.902
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

Track by Track First & Then
type: MusicAlbum
date published: 2015-09-25

Track by Track First & Then
type: MusicAlbum
date published: 2015-09-25

Already Down
type: MusicAlbum
date published: 2018-11-16

Already Down
type: MusicAlbum
date published: 2018-11-16

Wintertime #2
type: MusicAlbum
date published: 2018-12-21

Wintertime #2
type: MusicAlbum
date published: 2018-12-21

Please Come Back In My Life
type: MusicAlbum
date published: 2019-01-11

Please Come Back in My Life
type: MusicAlbum
date published: 2019-01-11

Big Shadows of Small Things
type: MusicAlbum
date published: 2019-01-25

Big Shadows of Small Things
type: MusicAlbum
date published: 2019-01-25

Love (Concertgebouw Sessions)
type: MusicAlbum
date published: 2019-03-25

Passover
type: MusicAlbum
date published: 2019-04-05

Passover
type: MusicAlbum
date published: 2019-04-05

Don't Look Up, Don't Look Down
type: MusicAlbum
date published: 2021-02-05

Back to the Garden
type: MusicAlbum
date published: 2021-03-19

Happy in Hindsight
type: MusicAlbum
date published: 2021-04-23

Happy in Hindsight
type: MusicAlbum
date published: 2021-05-28
track: Don't Look up, Don't Look Down
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176857
  explicit: false
  by artist: Bertolf
  in album: Happy in Hindsight
    type: MusicAlbum
    date published: 2021-05-28
  genre: nederpop
  genre: singer-songwriter
  isrc code: NLB602100023
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T15:41:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x53d2f9bb4470d808510ad0220d64e594c977b9f4290485051adf3b985c3ce505
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958905
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958905
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB602100023
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T16:14:34Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53d2f9bb4470d808510ad0220d64e594c977b9f4290485051adf3b985c3ce505. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/NLB602100023.
    date published: 2026-07-20T16:14:34Z
  audio: Don't Look up, Don't Look Down
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 80.031
    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: 0.66
    additional property: Energy
      type: PropertyValue
      value: 0.659
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.698
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.265
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.876
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.132
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

Only Together
type: MusicAlbum
date published: 2021-07-02

Team Hoover
type: MusicAlbum
date published: 2023-04-14
track: Team Hoover
  type: MusicRecording
  duration: PT5M41S
  duration ms: 341546
  explicit: false
  by artist: Bertolf
  in album: Team Hoover
    type: MusicAlbum
    date published: 2023-04-14
  genre: nederpop
  genre: singer-songwriter
  isrc code: NLB602200164
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T15:01:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x957d6e82a2867eede534c67cc9bce6d35ee676ea5165d7859e70d0aeffa30c1d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957872
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957872
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB602200164
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T15:39:45Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x957d6e82a2867eede534c67cc9bce6d35ee676ea5165d7859e70d0aeffa30c1d. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB602200164.
    date published: 2026-07-13T15:39:45Z
  audio: Team Hoover
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 125.996
    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: 0.55
    additional property: Energy
      type: PropertyValue
      value: 0.609
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.758
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.907
    additional property: Liveness
      type: PropertyValue
      value: 0.129
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.674
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.134
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

Before The Storm
type: MusicAlbum
date published: 2023-05-19
track: Before The Storm
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191760
  explicit: false
  by artist: Bertolf
  in album: Before The Storm
    type: MusicAlbum
    date published: 2023-05-19
  genre: nederpop
  genre: singer-songwriter
  isrc code: NLB602200158
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x28804a0de4420507b05d15b0daf890a45ab2b085612f752034fdb691691b9766
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958373
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958373
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB602200158
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T06:09:33Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28804a0de4420507b05d15b0daf890a45ab2b085612f752034fdb691691b9766. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/NLB602200158.
    date published: 2026-07-17T06:09:33Z
  audio: Before The Storm
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 136.126
    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: 0.607
    additional property: Energy
      type: PropertyValue
      value: 0.535
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.772
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.149
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.654
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.261
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

The Way I Love You Now
type: MusicAlbum
date published: 2023-07-07

Another Day
type: MusicAlbum
date published: 2023-08-04

Bluefinger
type: MusicAlbum
date published: 2023-08-25

Bluefinger
type: MusicAlbum
date published: 2023-09-08
track: Bluefinger
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208440
  explicit: false
  by artist: Bertolf
  in album: Bluefinger
    type: MusicAlbum
    date published: 2023-09-08
  genre: nederpop
  genre: singer-songwriter
  isrc code: NLB602200157
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T04:12:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf0d832c620ad6d3c7f64019a1c65fa2768a09f3bf30ae801a9b9d2c47e9936cc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958491
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958491
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB602200157
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T04:29:42Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0d832c620ad6d3c7f64019a1c65fa2768a09f3bf30ae801a9b9d2c47e9936cc. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/NLB602200157.
    date published: 2026-07-18T04:29:42Z
  audio: Bluefinger
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.063
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.524
    additional property: Energy
      type: PropertyValue
      value: 0.822
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.648
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.963
    additional property: Liveness
      type: PropertyValue
      value: 0.307
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.893
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.103
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Before The Storm
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191760
  explicit: false
  by artist: Bertolf
  in album: Bluefinger
    type: MusicAlbum
    date published: 2023-09-08
  genre: nederpop
  genre: singer-songwriter
  isrc code: NLB602200158
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T10:21:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x28804a0de4420507b05d15b0daf890a45ab2b085612f752034fdb691691b9766
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957851
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957851
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB602200158
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T11:26:33Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28804a0de4420507b05d15b0daf890a45ab2b085612f752034fdb691691b9766. Chain 2 (Bitcoin): anchored in block 957851 (2026-07-13T11:26:33Z), 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/NLB602200158.
    date published: 2026-07-13T11:26:33Z
  audio: Before The Storm
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 136.126
    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: 0.607
    additional property: Energy
      type: PropertyValue
      value: 0.535
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.772
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.149
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.654
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.261
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: The Way I Love You Now
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249986
  explicit: false
  by artist: Bertolf
  in album: Bluefinger
    type: MusicAlbum
    date published: 2023-09-08
  genre: nederpop
  genre: singer-songwriter
  isrc code: NLB602200159
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T12:45:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x54ffd80efd91d6d17706235b483f8bd50da11ed653176749397aeeef1e25b388
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958552
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: The Way I Love You Now
track: Another Day
track: Cut Me Loose
track: Patty Lane
track: Mary
track: Team Hoover
track: Even The Bad Ends Badly
track: Jericho
track: Don't Look Up

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958552

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB602200159

OTSTimestamp
type: PropertyValue
value: 2026-07-18T13:15:29Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54ffd80efd91d6d17706235b483f8bd50da11ed653176749397aeeef1e25b388. Chain 2 (Bitcoin): anchored in block 958552 (2026-07-18T13:15:29Z), 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/NLB602200159.
date published: 2026-07-18T13:15:29Z

The Way I Love You Now
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 172.043
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.483
additional property: Energy
  type: PropertyValue
  value: 0.454
additional property: Speechiness
  type: PropertyValue
  value: 0.033
additional property: Acousticness
  type: PropertyValue
  value: 0.827
additional property: Instrumentalness
  type: PropertyValue
  value: 0.003
additional property: Liveness
  type: PropertyValue
  value: 0.112
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.644
additional property: Loudness (dB)
  type: PropertyValue
  value: -11.896
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Another Day
type: MusicRecording
duration: PT5M40S
duration ms: 340226
explicit: false
by artist: Bertolf
in album: Bluefinger
  type: MusicAlbum
  date published: 2023-09-08
genre: nederpop
genre: singer-songwriter
isrc code: NLB602200160
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T04:09:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x796530f59754354543b3b8c7b2c436d0dc5dabcbc10e0f3fdca2c6861b16705a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958491
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958491
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB602200160
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T04:29:42Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x796530f59754354543b3b8c7b2c436d0dc5dabcbc10e0f3fdca2c6861b16705a. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/NLB602200160.
  date published: 2026-07-18T04:29:42Z
audio: Another Day
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 163.881
  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: 0.529
  additional property: Energy
    type: PropertyValue
    value: 0.506
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.765
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.615
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.884
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.714
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cut Me Loose
type: MusicRecording
duration: PT4M31S
duration ms: 271426
explicit: false
by artist: Bertolf
in album: Bluefinger
  type: MusicAlbum
  date published: 2023-09-08
genre: nederpop
genre: singer-songwriter
isrc code: NLB602200161
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T22:29:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8f08e0a02abae93d07590cb6e6f7a6dbfb61ebbd7e1ffe7ee41b8da4b32cc876
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958942
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958942
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB602200161
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T00:24:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f08e0a02abae93d07590cb6e6f7a6dbfb61ebbd7e1ffe7ee41b8da4b32cc876. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/NLB602200161.
  date published: 2026-07-21T00:24:07Z
audio: Cut Me Loose
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.037
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 1
  additional property: Danceability
    type: PropertyValue
    value: 0.631
  additional property: Energy
    type: PropertyValue
    value: 0.456
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.863
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.042
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.643
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.258
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Patty Lane
type: MusicRecording
duration: PT3M59S
duration ms: 239560
explicit: false
by artist: Bertolf
in album: Bluefinger
  type: MusicAlbum
  date published: 2023-09-08
genre: nederpop
genre: singer-songwriter
isrc code: NLB602200162
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T03:30:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb01635140a007b2357d838d1567d50a168dc265e3a68de5d3af840ee89fcd969
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/NLB602200162
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb01635140a007b2357d838d1567d50a168dc265e3a68de5d3af840ee89fcd969. 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/NLB602200162.
  date published: 2026-07-05T10:01:46Z
audio: Patty Lane
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 171.869
  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: 0.498
  additional property: Energy
    type: PropertyValue
    value: 0.447
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.764
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.025
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.801
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.515
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mary
type: MusicRecording
duration: PT3M35S
duration ms: 215013
explicit: false
by artist: Bertolf
in album: Bluefinger
  type: MusicAlbum
  date published: 2023-09-08
genre: nederpop
genre: singer-songwriter
isrc code: NLB602200163
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T23:24:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e2288a4354b677d562e5f2a0dbeefd5564cb3dbe8e0f7266fc80793dd578e95
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/NLB602200163
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e2288a4354b677d562e5f2a0dbeefd5564cb3dbe8e0f7266fc80793dd578e95. 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/NLB602200163.
  date published: 2026-07-05T01:12:41Z
audio: Mary
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 175.551
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.475
  additional property: Energy
    type: PropertyValue
    value: 0.324
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.743
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.741
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.166
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Team Hoover
type: MusicRecording
duration: PT5M41S
duration ms: 341546
explicit: false
by artist: Bertolf
in album: Bluefinger
  type: MusicAlbum
  date published: 2023-09-08
genre: nederpop
genre: singer-songwriter
isrc code: NLB602200164
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x957d6e82a2867eede534c67cc9bce6d35ee676ea5165d7859e70d0aeffa30c1d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB602200164
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T13:24:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x957d6e82a2867eede534c67cc9bce6d35ee676ea5165d7859e70d0aeffa30c1d. Chain 2 (Bitcoin): anchored in block 958889 (2026-07-20T13:24:39Z), 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/NLB602200164.
  date published: 2026-07-20T13:24:39Z
audio: Team Hoover
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.996
  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: 0.55
  additional property: Energy
    type: PropertyValue
    value: 0.609
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.758
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.907
  additional property: Liveness
    type: PropertyValue
    value: 0.129
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.674
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.134
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Even The Bad Ends Badly
type: MusicRecording
duration: PT3M22S
duration ms: 202906
explicit: false
by artist: Bertolf
in album: Bluefinger
  type: MusicAlbum
  date published: 2023-09-08
genre: nederpop
genre: singer-songwriter
isrc code: NLB602200165
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T03:53:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9aacaf5791cfe538c1497edba0b103e5972f15144d5242861c2ad1a3a2407d6b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958489
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958489
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB602200165
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T04:13:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9aacaf5791cfe538c1497edba0b103e5972f15144d5242861c2ad1a3a2407d6b. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/NLB602200165.
  date published: 2026-07-18T04:13:26Z
audio: Even The Bad Ends Badly
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.05
  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: 0.653
  additional property: Energy
    type: PropertyValue
    value: 0.497
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.703
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.057
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.743
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.197
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Jericho
type: MusicRecording
duration: PT3M58S
duration ms: 238626
explicit: false
by artist: Bertolf
in album: Bluefinger
  type: MusicAlbum
  date published: 2023-09-08
genre: nederpop
genre: singer-songwriter
isrc code: NLB602200166
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T13:08:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9553ae3d55c56017984c9072eee78ce5f411179cde2440e2a1e8431db5457e5b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959008
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959008
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB602200166
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T13:14:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9553ae3d55c56017984c9072eee78ce5f411179cde2440e2a1e8431db5457e5b. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/NLB602200166.
  date published: 2026-07-21T13:14:05Z
audio: Jericho
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.991
  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: 0.593
  additional property: Energy
    type: PropertyValue
    value: 0.49
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.783
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.09
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.564
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.597
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don't Look Up
type: MusicRecording
duration: PT2M58S
duration ms: 178773
explicit: false
by artist: Bertolf
in album: Bluefinger
  type: MusicAlbum
  date published: 2023-09-08
genre: nederpop
genre: singer-songwriter
isrc code: NLB602200168
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T16:56:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf0072e2f27acf3383d0e72246c62088156df4d0fd7e0ca16970682af29b381a6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956826
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956826
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB602200168
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T19:27:56Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0072e2f27acf3383d0e72246c62088156df4d0fd7e0ca16970682af29b381a6. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLB602200168.
  date published: 2026-07-05T19:27:56Z
audio: Don't Look Up
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 159.939
  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: 0.612
  additional property: Energy
    type: PropertyValue
    value: 0.48
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.832
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.265
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.912
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.726
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Hysteria
type: MusicAlbum
date published: 2025-05-28
track: Hysteria
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207253
  explicit: false
  by artist: Bertolf
  in album: Hysteria
    type: MusicAlbum
    date published: 2025-05-28
  genre: nederpop
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Tell It To The Kids
type: MusicAlbum
date published: 2025-09-12

Ain't No Running Around It
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date published: 2025-11-07

Won't You Let Me Have My Way With You
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by artist: Miss Montreal
by artist: Bertolf
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