POL1Z1STENS0HN a.k.a. Jan Böhmermann
type: MusicGroup
genre: german hip hop
popularity: 34
followers: 47119
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xaeff3ea75e8827b8322e7b972aded202bf51cfdeeccf036fe2cf2c7b3dcdf8f0
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/10d7b471-acd9-47e1-84d3-bd649f090a0f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/10d7b471-acd9-47e1-84d3-bd649f090a0f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/10d7b471-acd9-47e1-84d3-bd649f090a0f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
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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 0xaeff3ea75e8827b8322e7b972aded202bf51cfdeeccf036fe2cf2c7b3dcdf8f0. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/10d7b471-acd9-47e1-84d3-bd649f090a0f.json and https://artists.proofprofile.net/proofs/artist/10d7b471-acd9-47e1-84d3-bd649f090a0f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0xaeff3ea75e8827b8322e7b972aded202bf51cfdeeccf036fe2cf2c7b3dcdf8f0","name":"POL1Z1STENS0HN a.k.a. Jan Böhmermann","registered_at":"2026-06-12T18:22:37Z","symbol":"NIM0335000","token_address":"0xdb9c0f756a824d0b7feeac316ada8036035c5dd4","type":"artist","uuid":"10d7b471-acd9-47e1-84d3-bd649f090a0f"}
album: Ich hab Polizei
  type: MusicAlbum
  date published: 2015-11-26
  track: Ich hab Polizei - Instrumental
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    duration: PT3M46S
    duration ms: 226031
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    by artist: POL1Z1STENS0HN a.k.a. Jan Böhmermann
    in album: Ich hab Polizei
      type: MusicAlbum
      date published: 2015-11-26
    genre: german hip hop
    isrc code: DEPI81503897
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      type: PropertyValue
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      type: PropertyValue
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    additional property: OTSHash
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      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI81503897
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T08:05:26Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3572e3e0ded3413b04131e6e5cb19bff0182d9cbb229b4f9d71be7d03e60ecbc. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T08:05:26Z), 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/DEPI81503897.
      date published: 2026-07-16T08:05:26Z
    audio: Ich hab Polizei - Instrumental
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 115.993
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.68
      additional property: Energy
        type: PropertyValue
        value: 0.52
      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.911
      additional property: Liveness
        type: PropertyValue
        value: 0.094
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.427
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.496
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Blasserdünnerjunge macht sein Job
  type: MusicAlbum
  date published: 2016-08-26
album: Recht kommt (K.O. in KA) [feat. Justice]
  type: MusicAlbum
  date published: 2018-02-01
  track: Recht kommt (K.O... in KA) - Cleaned Version
    type: MusicRecording
    duration: PT4M8S
    duration ms: 248231
    explicit: false
    by artist: POL1Z1STENS0HN a.k.a. Jan Böhmermann
    in album: Recht kommt (K.O. in KA) [feat. Justice]
      type: MusicAlbum
      date published: 2018-02-01
    genre: german hip hop
    isrc code: DEPI81703762
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T17:17:27+00:00
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      value: https://explorer.copyrightchains.com/tx/0x6b73ead918055063de84689b0ab5ccef8facb12c88c1f9cfb9b782d394b81a27
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958448
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI81703762
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T19:49:21Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b73ead918055063de84689b0ab5ccef8facb12c88c1f9cfb9b782d394b81a27. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI81703762.
      date published: 2026-07-17T19:49:21Z
    audio: Recht kommt (K.O... in KA) - Cleaned Version
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 91.672
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.494
      additional property: Energy
        type: PropertyValue
        value: 0.871
      additional property: Speechiness
        type: PropertyValue
        value: 0.55
      additional property: Acousticness
        type: PropertyValue
        value: 0.211
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: herz und faust und zwinkerzwinker
album: Bürgermeister

Liveness
type: PropertyValue
value: 0.32

Valence (Positivity)
type: PropertyValue
value: 0.46

Loudness (dB)
type: PropertyValue
value: -5.494

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

herz und faust und zwinkerzwinker
type: MusicAlbum
date published: 2019-09-19

Bürgermeister
type: MusicAlbum
date published: 2020-12-04