Anna Kitkowska
type: MusicGroup
popularity: 42
followers: 749
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x984225dcd62468f13d0a398194594189b80deea7a8c1969d8d359e1d532b3849
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/36d45704-3dc8-4eff-9baa-a5bde367f207.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/36d45704-3dc8-4eff-9baa-a5bde367f207.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/36d45704-3dc8-4eff-9baa-a5bde367f207
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x984225dcd62468f13d0a398194594189b80deea7a8c1969d8d359e1d532b3849","name":"Anna Kitkowska","registered_at":"2026-06-11T16:46:14Z","symbol":"NIM0071968","token_address":"0xafabacfee76d5e7fa87cf79325b4ad4324781414","type":"artist","uuid":"36d45704-3dc8-4eff-9baa-a5bde367f207"}
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 0x984225dcd62468f13d0a398194594189b80deea7a8c1969d8d359e1d532b3849. 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/36d45704-3dc8-4eff-9baa-a5bde367f207.json and https://artists.proofprofile.net/proofs/artist/36d45704-3dc8-4eff-9baa-a5bde367f207.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x984225dcd62468f13d0a398194594189b80deea7a8c1969d8d359e1d532b3849","name":"Anna Kitkowska","registered_at":"2026-06-11T16:46:14Z","symbol":"NIM0071968","token_address":"0xafabacfee76d5e7fa87cf79325b4ad4324781414","type":"artist","uuid":"36d45704-3dc8-4eff-9baa-a5bde367f207"}
album: Anna Kitkowska
  type: MusicAlbum
  date published: 2019-06-28
album: drivers license
  type: MusicAlbum
  date published: 2021-04-20
album: A Whole New World
  type: MusicAlbum
  date published: 2021-10-22
album: As It Was
  type: MusicAlbum
  date published: 2022-06-03
album: Reflection
  type: MusicAlbum
  date published: 2022-09-14
album: Lavender haze
  type: MusicAlbum
  date published: 2023-02-02
  track: Lavender haze
    type: MusicRecording
    duration: PT3M17S
    duration ms: 197790
    explicit: false
    by artist: Anna Kitkowska
    in album: Lavender haze
      type: MusicAlbum
      date published: 2023-02-02
    isrc code: SE5IB2303122
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T07:47:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0208bf94de87fd510de56648254b64c5002bc71c4076e53306aa032f73216509
    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/SE5IB2303122
    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 0x0208bf94de87fd510de56648254b64c5002bc71c4076e53306aa032f73216509. 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/SE5IB2303122.
      date published: 2026-07-05T10:01:46Z
    audio: Lavender haze
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 85.907
      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: 0.82
      additional property: Energy
        type: PropertyValue
        value: 0.268
      additional property: Speechiness
        type: PropertyValue
        value: 0.055
      additional property: Acousticness
        type: PropertyValue
        value: 0.892
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.846
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.351
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.885
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Nothing Compares 2 U
  type: MusicAlbum
  date published: 2023-04-21
album: The Hills of Aberfeldy
  type: MusicAlbum
  date published: 2023-06-09
album: Through The Fire
  type: MusicAlbum
  date published: 2023-09-29
album: If You´re Not The One
  type: MusicAlbum
  date published: 2024-02-02
album: Luka
  type: MusicAlbum
  date published: 2024-04-05
  track: Luka
    type: MusicRecording
    duration: PT2M53S
    duration ms: 173906
    explicit: false
    by artist: Anna Kitkowska
    in album: Luka
      type: MusicAlbum
      date published: 2024-04-05
    isrc code: SE69Z2404838
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T04:14:41+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfce7571b8e3acbcf7168ce38d26e5c8bc8180b799c931cf21d9b8d6874196cf4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958662
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958662
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE69Z2404838
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T04:43:15Z
    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 0xfce7571b8e3acbcf7168ce38d26e5c8bc8180b799c931cf21d9b8d6874196cf4. Chain 2 (Bitcoin): anchored in block 958662 (2026-07-19T04:43:15Z), 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/SE69Z2404838.
      date published: 2026-07-19T04:43:15Z
    audio: Luka
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 96.004
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      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
album: Once Upon a Sunday

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.686

Energy
type: PropertyValue
value: 0.266

Speechiness
type: PropertyValue
value: 0.053

Acousticness
type: PropertyValue
value: 0.947

Instrumentalness
type: PropertyValue
value: 0.949

Liveness
type: PropertyValue
value: 0.124

Valence (Positivity)
type: PropertyValue
value: 0.244

Loudness (dB)
type: PropertyValue
value: -13.396

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Major

Once Upon a Sunday
type: MusicAlbum
date published: 2025-04-11