KTK Kampen
type: MusicGroup
popularity: 2
followers: 54
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4dc4d0d28894b0938bd5f13ce8c1ebcba0efb889637d300f875e63a01f1667ad
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953932
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953932
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1e3b2b02-706c-4b98-a9b6-27922e66598f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1e3b2b02-706c-4b98-a9b6-27922e66598f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1e3b2b02-706c-4b98-a9b6-27922e66598f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T11:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4dc4d0d28894b0938bd5f13ce8c1ebcba0efb889637d300f875e63a01f1667ad","name":"KTK Kampen","registered_at":"2026-06-16T00:22:36Z","symbol":"NIM0878766","token_address":"0x654ca9558a2747916bc009b8fdc28d458d34f4cf","type":"artist","uuid":"1e3b2b02-706c-4b98-a9b6-27922e66598f"}
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 0x4dc4d0d28894b0938bd5f13ce8c1ebcba0efb889637d300f875e63a01f1667ad. Chain 2 (Bitcoin): anchored in block 953933 (2026-06-16T11:13:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1e3b2b02-706c-4b98-a9b6-27922e66598f.json and https://artists.proofprofile.net/proofs/artist/1e3b2b02-706c-4b98-a9b6-27922e66598f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T11:13:24Z
  text: {"copyright_id":"0x4dc4d0d28894b0938bd5f13ce8c1ebcba0efb889637d300f875e63a01f1667ad","name":"KTK Kampen","registered_at":"2026-06-16T00:22:36Z","symbol":"NIM0878766","token_address":"0x654ca9558a2747916bc009b8fdc28d458d34f4cf","type":"artist","uuid":"1e3b2b02-706c-4b98-a9b6-27922e66598f"}
album: ROXX and Blow
  type: MusicAlbum
  date published: 2025-02-18
album: Engel & Du Hast
  type: MusicAlbum
  date published: 2025-04-07
album: Overture
  type: MusicAlbum
  date published: 2025-07-21
  track: Overture
    type: MusicRecording
    duration: PT1M59S
    duration ms: 119354
    explicit: false
    by artist: KTK Kampen
    in album: Overture
      type: MusicAlbum
      date published: 2025-07-21
    isrc code: QZWFK2597435
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T11:52:07+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9879990d5a9a85b9426b263abd33acb1ae2a9d9d08177e658313968f543d93f9
    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/QZWFK2597435
    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 0x9879990d5a9a85b9426b263abd33acb1ae2a9d9d08177e658313968f543d93f9. 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/QZWFK2597435.
      date published: 2026-07-16T12:43:37Z
    audio: Overture
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 124.031
      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: 0.701
      additional property: Energy
        type: PropertyValue
        value: 0.84
      additional property: Speechiness
        type: PropertyValue
        value: 0.064
      additional property: Acousticness
        type: PropertyValue
        value: 0.166
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.889
      additional property: Liveness
        type: PropertyValue
        value: 0.241
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.715
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.57
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Ritmo Será Mi Vida
  type: MusicAlbum
  date published: 2025-08-05
album: Subsonic Roxx Sequence
  type: MusicAlbum
  date published: 2025-08-05
album: Glimpse of Us
  type: MusicAlbum
  date published: 2025-08-25
  track: Glimpse of Us
    type: MusicRecording
    duration: PT1M53S
    duration ms: 113575
    explicit: false
    by artist: KTK Kampen
    in album: Glimpse of Us
      type: MusicAlbum
      date published: 2025-08-25
    isrc code: QZWFT2589005
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T07:12:11+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9735402fa84ac482f09c1817e71af2d84fd907837b32feebbad107f8db600929
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957819
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957819
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFT2589005
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T07:53:33Z
    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 0x9735402fa84ac482f09c1817e71af2d84fd907837b32feebbad107f8db600929. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/QZWFT2589005.
      date published: 2026-07-13T07:53:33Z
    audio: Glimpse of Us
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 174.046
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.48
      additional property: Energy
        type: PropertyValue
        value: 0.164
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Livin' la Vida Loca
album: Steps

Acousticness
type: PropertyValue
value: 0.977

Instrumentalness
type: PropertyValue
value: 0.933

Liveness
type: PropertyValue
value: 0.111

Valence (Positivity)
type: PropertyValue
value: 0.183

Loudness (dB)
type: PropertyValue
value: -12.71

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Major

Livin' la Vida Loca
type: MusicAlbum
date published: 2025-09-09
track: Livin' la Vida Loca
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158597
  explicit: false
  by artist: KTK Kampen
  in album: Livin' la Vida Loca
    type: MusicAlbum
    date published: 2025-09-09
  isrc code: QZZ782574800
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T00:50:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd3f4c03813982f9ce9bbd7b27fe08657ed20ad010271807ab3263c0f335b8fcd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958484
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958484
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ782574800
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T03:34:53Z
  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 0xd3f4c03813982f9ce9bbd7b27fe08657ed20ad010271807ab3263c0f335b8fcd. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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/QZZ782574800.
    date published: 2026-07-18T03:34:53Z
  audio: Livin' la Vida Loca
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 180.049
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.755
    additional property: Energy
      type: PropertyValue
      value: 0.783
    additional property: Speechiness
      type: PropertyValue
      value: 0.086
    additional property: Acousticness
      type: PropertyValue
      value: 0.283
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.96
    additional property: Liveness
      type: PropertyValue
      value: 0.116
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.954
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.461
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Steps
type: MusicAlbum
date published: 2025-10-22
track: Steps
  type: MusicRecording
  duration: PT1M25S
  duration ms: 85674
  explicit: false
  by artist: KTK Kampen
  in album: Steps
    type: MusicAlbum
    date published: 2025-10-22
  isrc code: QT3FD2501194
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T00:26:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x30e00886f4a0aa93b70ba2de8c89f7348d25d5368fce1210da788b8f1c6523c5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956857
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956857
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3FD2501194
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:26:17Z
  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 0x30e00886f4a0aa93b70ba2de8c89f7348d25d5368fce1210da788b8f1c6523c5. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QT3FD2501194.
    date published: 2026-07-06T01:26:17Z
  audio: Steps
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 117.051
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.792
    additional property: Energy
      type: PropertyValue
      value: 0.979
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.013
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.832
    additional property: Liveness
      type: PropertyValue
      value: 0.087
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.396
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.582
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor