Kasia Stankiewicz
type: MusicGroup
description: Kasia Maria Stankiewicz (born 2 June 1977, Działdowo, Poland) is a Polish pop singer. She started her career in 1995 singing a song by Varius Manx, a multi-platinum Polish band, in the TV song contes
popularity: 42
followers: 16160
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9828c0187b085208799dab769962c3fb1fb15e19b8e14de46038a00d76de4aaa
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/49ec3439-c4a3-49d9-b601-f6f4569df161.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/49ec3439-c4a3-49d9-b601-f6f4569df161.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/49ec3439-c4a3-49d9-b601-f6f4569df161
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9828c0187b085208799dab769962c3fb1fb15e19b8e14de46038a00d76de4aaa","name":"Kasia Stankiewicz","registered_at":"2026-06-11T19:12:23Z","symbol":"NIM0096305","token_address":"0xd69053791db974414d9662c966d9f56c1356a395","type":"artist","uuid":"49ec3439-c4a3-49d9-b601-f6f4569df161"}
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 0x9828c0187b085208799dab769962c3fb1fb15e19b8e14de46038a00d76de4aaa. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/49ec3439-c4a3-49d9-b601-f6f4569df161.json and https://artists.proofprofile.net/proofs/artist/49ec3439-c4a3-49d9-b601-f6f4569df161.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x9828c0187b085208799dab769962c3fb1fb15e19b8e14de46038a00d76de4aaa","name":"Kasia Stankiewicz","registered_at":"2026-06-11T19:12:23Z","symbol":"NIM0096305","token_address":"0xd69053791db974414d9662c966d9f56c1356a395","type":"artist","uuid":"49ec3439-c4a3-49d9-b601-f6f4569df161"}
album: Mimikra
  type: MusicAlbum
  date published: 2006-11-24
  track: Marzec
    type: MusicRecording
    duration: PT4M29S
    duration ms: 269773
    explicit: false
    by artist: Kasia Stankiewicz
    in album: Mimikra
      type: MusicAlbum
      date published: 2006-11-24
    isrc code: PLA550600160
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T07:01:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x830a4d760368c199d722e1e974f70cf673a84a53afbb09687c04f195d85ae706
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956656
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA550600160
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T14:03:39Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x830a4d760368c199d722e1e974f70cf673a84a53afbb09687c04f195d85ae706. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/PLA550600160.
      date published: 2026-07-04T14:03:39Z
    audio: Marzec
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 175.99
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.62
      additional property: Energy
        type: PropertyValue
        value: 0.548
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.165
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.744
      additional property: Liveness
        type: PropertyValue
        value: 0.049
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.473
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.067
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Extrapop
  type: MusicAlbum
  date published: 2012-01-01
album: Extrapop: Reedycja
  type: MusicAlbum
  date published: 2012-12-03
album: Extrapop
  type: MusicAlbum
  date published: 2012-12-03
album: Lucy And The Loop
  type: MusicAlbum
  date published: 2014-10-10
album: 25 Live
  type: MusicAlbum
  date published: 2016-10-21
track: 700 nocy
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192960
  explicit: false
  by artist: Pawbeats
  by artist: Kasia Stankiewicz
  by artist: VNM
  in album: DZIENNA
    type: MusicAlbum
    date published: 2024-01-19
  isrc code: PL22G2300016
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T02:12:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x442e9df9ae8ca7ade484837626c97dabebb34f15137be195c330d741386a3cc7
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  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953528
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL22G2300016
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  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 0x442e9df9ae8ca7ade484837626c97dabebb34f15137be195c330d741386a3cc7. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/PL22G2300016.
    date published: 2026-06-13T15:41:10Z
  audio: 700 nocy
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 98.531
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.413
    additional property: Energy
    additional property: Speechiness
    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

Energy
type: PropertyValue
value: 0.673

Speechiness
type: PropertyValue
value: 0.095

Acousticness
type: PropertyValue
value: 0.371

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.085

Valence (Positivity)
type: PropertyValue
value: 0.402

Loudness (dB)
type: PropertyValue
value: -11.885

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Minor

700 nocy
type: MusicRecording
duration: PT3M12S
duration ms: 192511
explicit: false
by artist: Pawbeats
by artist: Kasia Stankiewicz
by artist: VNM
in album: 700 nocy
  type: MusicAlbum
  date published: 2024-01-05
isrc code: PL22G2300016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:12:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x442e9df9ae8ca7ade484837626c97dabebb34f15137be195c330d741386a3cc7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL22G2300016
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x442e9df9ae8ca7ade484837626c97dabebb34f15137be195c330d741386a3cc7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL22G2300016.
  date published: 2026-06-13T13:32:09Z
audio: 700 nocy
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 148.595
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.431
  additional property: Energy
    type: PropertyValue
    value: 0.714
  additional property: Speechiness
    type: PropertyValue
    value: 0.087
  additional property: Acousticness
    type: PropertyValue
    value: 0.541
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.18
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.481
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.858
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor