Artur Sikorski
type: MusicGroup
popularity: 40
followers: 18944
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x79bd3c6e20202931d303aea0b8e719a260f6987188a3a7cb7d508731edefbc7f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953408
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953408
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cd0876ec-630c-4bfe-80ad-75c96f7a1a05.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cd0876ec-630c-4bfe-80ad-75c96f7a1a05.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/cd0876ec-630c-4bfe-80ad-75c96f7a1a05
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x79bd3c6e20202931d303aea0b8e719a260f6987188a3a7cb7d508731edefbc7f","name":"Artur Sikorski","registered_at":"2026-06-12T10:06:23Z","symbol":"NIM0264968","token_address":"0x777597ae4a04131c3e52779270368671c6c7c79a","type":"artist","uuid":"cd0876ec-630c-4bfe-80ad-75c96f7a1a05"}
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 → block must exist at that height 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 0x79bd3c6e20202931d303aea0b8e719a260f6987188a3a7cb7d508731edefbc7f. 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/cd0876ec-630c-4bfe-80ad-75c96f7a1a05.json and https://artists.proofprofile.net/proofs/artist/cd0876ec-630c-4bfe-80ad-75c96f7a1a05.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x79bd3c6e20202931d303aea0b8e719a260f6987188a3a7cb7d508731edefbc7f","name":"Artur Sikorski","registered_at":"2026-06-12T10:06:23Z","symbol":"NIM0264968","token_address":"0x777597ae4a04131c3e52779270368671c6c7c79a","type":"artist","uuid":"cd0876ec-630c-4bfe-80ad-75c96f7a1a05"}
album: Ogień
  type: MusicAlbum
  date published: 2017-01-01
  track: Ogień
    type: MusicRecording
    duration: PT3M11S
    duration ms: 191590
    explicit: false
    by artist: Artur Sikorski
    in album: Ogień
      type: MusicAlbum
      date published: 2017-01-01
album: Będę walczył
  type: MusicAlbum
  date published: 2017-01-01
  track: Będę walczył
    type: MusicRecording
    duration: PT3M47S
    duration ms: 227520
    explicit: false
    by artist: Artur Sikorski
    in album: Będę walczył
      type: MusicAlbum
      date published: 2017-01-01
album: Ogień
  type: MusicAlbum
  date published: 2017-01-01
  track: Ogień - Radio Edit
    type: MusicRecording
    duration: PT3M11S
    duration ms: 191590
    explicit: false
    by artist: Artur Sikorski
    in album: Ogień
      type: MusicAlbum
      date published: 2017-01-01
album: Ogień (Radio Edit)
  type: MusicAlbum
  date published: 2017-11-03
  track: Ogień - Radio Edit
    type: MusicRecording
    duration: PT3M11S
    duration ms: 191590
    explicit: false
    by artist: Artur Sikorski
    in album: Ogień (Radio Edit)
      type: MusicAlbum
      date published: 2017-11-03
album: Okrąg
  type: MusicAlbum
  date published: 2017-12-01
  track: Każda Chwila
    type: MusicRecording
    duration: PT3M12S
    duration ms: 192480
    explicit: false
    by artist: Artur Sikorski
    in album: Okrąg
      type: MusicAlbum
      date published: 2017-12-01
  track: Wir
    type: MusicRecording
    duration: PT3M12S
    duration ms: 192786
    explicit: false
    by artist: Artur Sikorski
    in album: Okrąg
      type: MusicAlbum
      date published: 2017-12-01
  track: Element
    type: MusicRecording
    duration: PT3M4S
    duration ms: 184653
    explicit: false
    by artist: Artur Sikorski
    in album: Okrąg
      type: MusicAlbum
      date published: 2017-12-01
  track: Będę walczył
    type: MusicRecording
    duration: PT3M47S
    duration ms: 227520
    explicit: false
    by artist: Artur Sikorski
    in album: Okrąg
      type: MusicAlbum
      date published: 2017-12-01
    isrc code: PLC061705757
  track: Gwiazdy
    type: MusicRecording
    duration: PT4M1S
    duration ms: 241880
    explicit: false
    by artist: Artur Sikorski
    in album: Okrąg
      type: MusicAlbum
      date published: 2017-12-01
  track: Uciekam
    type: MusicRecording
    duration: PT2M50S
    duration ms: 170306
    explicit: false
    by artist: Artur Sikorski
    in album: Okrąg
      type: MusicAlbum
      date published: 2017-12-01
  track: Przez Łzy
    type: MusicRecording
    duration: PT3M57S
    duration ms: 237186
    explicit: false
    by artist: Artur Sikorski
    in album: Okrąg
      type: MusicAlbum
      date published: 2017-12-01
    isrc code: PLC061706280
  track: Ogień
    type: MusicRecording
    duration: PT3M11S
    duration ms: 191590
    explicit: false
    by artist: Artur Sikorski
    in album: Okrąg
      type: MusicAlbum
      date published: 2017-12-01
    isrc code: PLC061706281
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T01:05:11+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x97727d206a6cca661dc35b9be6c35db7ecf84664c99fd103706cfa48dc4f9a64
    additional property: OTSHash
    additional property: OTSBitcoinBlock
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      value: 956656
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956656
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC061706281
    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 → block OTSBitcoinBlock must exist at that height 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 0x97727d206a6cca661dc35b9be6c35db7ecf84664c99fd103706cfa48dc4f9a64. 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/PLC061706281.
      date published: 2026-07-04T14:03:39Z
  track: Wiatr
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214693
    explicit: false
    by artist: Artur Sikorski
    in album: Okrąg
      type: MusicAlbum
      date published: 2017-12-01
  track: Za Dużo Myśli za Mało Słów
  track: Przepraszam Cię
  track: Nie poddam się
album: Za dużo myśli za mało słów
album: Ja Wiem
album: 18
album: Mrok
album: Oli
album: The only one I see
album: Byki
album: Szampanik
album: Gust
album: Będę Ci Śpiewał
album: Pijemy Jak W Bułgarii
album: Kochanie
album: Nie gniewaj się
album: Dla Ciebie
album: Mądrzejsi
album: ilo
album: Adoruje
album: Kolejny Marzec
album: Ona jest niebywała
album: obyś to była Ty

Za Dużo Myśli za Mało Słów
type: MusicRecording
duration: PT2M57S
duration ms: 177080
explicit: false
by artist: Artur Sikorski
in album: Okrąg
  type: MusicAlbum
  date published: 2017-12-01

Przepraszam Cię
type: MusicRecording
duration: PT4M6S
duration ms: 246059
explicit: false
by artist: Artur Sikorski
in album: Okrąg
  type: MusicAlbum
  date published: 2017-12-01

Nie poddam się
type: MusicRecording
duration: PT3M31S
duration ms: 211253
explicit: false
by artist: Artur Sikorski
in album: Okrąg
  type: MusicAlbum
  date published: 2017-12-01

Okrąg
type: MusicAlbum
date published: 2017-12-01
track: Każda chwila
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192480
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Wir
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191211
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Element
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183820
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Będę walczył
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226162
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Gwiazdy
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237777
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Uciekam
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169404
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Przez łzy
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234126
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Ogień
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191105
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Wiatr
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210277
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Za dużo myśli za mało słów
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171735
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Przepraszam Cię
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242087
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Nie poddam się
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210062
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01

Okrąg
type: MusicAlbum
date published: 2017-12-01
track: Każda Chwila
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192480
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Wir
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192786
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Element
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184653
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Będę Walczył
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227520
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Gwiazdy
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241880
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Uciekam
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170306
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Przez Łzy
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237186
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Ogień
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191720
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Wiatr
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214693
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Za Dużo Myśli za Mało Słów
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177080
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Przepraszam Cię
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246186
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01
track: Nie Poddam Się
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211266
  explicit: false
  by artist: Artur Sikorski
  in album: Okrąg
    type: MusicAlbum
    date published: 2017-12-01

Za dużo myśli za mało słów
type: MusicAlbum
date published: 2018-03-10
track: Za Dużo Myśli za Mało Słów
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177080
  explicit: false
  by artist: Artur Sikorski
  in album: Za dużo myśli za mało słów
    type: MusicAlbum
    date published: 2018-03-10

Ja Wiem
type: MusicAlbum
date published: 2018-06-23
track: Ja Wiem
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236956
  explicit: false
  by artist: Artur Sikorski
  in album: Ja Wiem
    type: MusicAlbum
    date published: 2018-06-23

Ja Wiem
type: MusicAlbum
date published: 2018-06-23
track: Ja Wiem
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236956
  explicit: false
  by artist: Artur Sikorski
  in album: Ja Wiem
    type: MusicAlbum
    date published: 2018-06-23

18
type: MusicAlbum
date published: 2019-05-09
track: 18
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175055
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-05-09

18
type: MusicAlbum
date published: 2019-05-09
track: 18
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175055
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-05-09

Mrok
type: MusicAlbum
date published: 2019-05-24
track: Mrok
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183451
  explicit: false
  by artist: Artur Sikorski
  in album: Mrok
    type: MusicAlbum
    date published: 2019-05-24

Mrok
type: MusicAlbum
date published: 2019-05-24
track: Mrok
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183451
  explicit: false
  by artist: Artur Sikorski
  in album: Mrok
    type: MusicAlbum
    date published: 2019-05-24

18
type: MusicAlbum
date published: 2019-06-21
track: 18
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175055
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Moje Miejsce
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191401
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Zagubiona
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222329
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Autosave
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202200
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
  isrc code: PLC061907951
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T13:03:16+00:00
track: Dziwne Uczucie
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208530
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Mrok
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183451
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
  isrc code: PLC061907953
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T10:25:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x663fa449f0d7b2481edcc76482c3c859207c90652dff6012440e5f3aa51e0adb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC061907953
  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 → block OTSBitcoinBlock must exist at that height 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 0x663fa449f0d7b2481edcc76482c3c859207c90652dff6012440e5f3aa51e0adb. 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/PLC061907953.
    date published: 2026-07-02T16:51:38Z
track: Czasoprzestrzeń
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185027
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Będzie Jak Jest
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194563
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Morze
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194967
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: M
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236828
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
  isrc code: PLC061907957
track: Ja Wiem
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236822
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  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Jesteś W Nim
  type: MusicRecording
  duration: PT3M45S
  duration ms: 225655
  explicit: false
  by artist: Artur Sikorski
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    type: MusicAlbum
    date published: 2019-06-21

18
type: MusicAlbum
date published: 2019-06-21
track: 18
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175055
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Moje Miejsce
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  duration ms: 191401
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  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Zagubiona
  type: MusicRecording
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  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Autosave
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202200
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Dziwne Uczucie
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208530
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Mrok
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183451
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Czasoprzestrzeń
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185027
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Będzie Jak Jest
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194563
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Morze
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194967
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: M
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236828
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Ja Wiem
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236822
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21
track: Jesteś W Nim
  type: MusicRecording
  duration: PT3M45S
  duration ms: 225655
  explicit: false
  by artist: Artur Sikorski
  in album: 18
    type: MusicAlbum
    date published: 2019-06-21

Oli
type: MusicAlbum
date published: 2020-05-09
track: Oli
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154838
  explicit: false
  by artist: Artur Sikorski
  in album: Oli
    type: MusicAlbum
    date published: 2020-05-09

The only one I see
type: MusicAlbum
date published: 2020-08-18
track: The only one I see
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199578
  explicit: false
  by artist: Artur Sikorski
  in album: The only one I see
    type: MusicAlbum
    date published: 2020-08-18
  isrc code: PLC062010677
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T09:09:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa35c7796ea33c7a8f2edb8955ca8f6f7f1e9fec287b2e95935be2d5336cdf9ce
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956790
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956790
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC062010677
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T12:31:54Z
  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 → block OTSBitcoinBlock must exist at that height 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 0xa35c7796ea33c7a8f2edb8955ca8f6f7f1e9fec287b2e95935be2d5336cdf9ce. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/PLC062010677.
    date published: 2026-07-05T12:31:54Z

Byki
type: MusicAlbum
date published: 2021-01-18
track: Byki
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174666
  explicit: false
  by artist: Artur Sikorski
  in album: Byki
    type: MusicAlbum
    date published: 2021-01-18
  isrc code: PLC062112138

Szampanik
type: MusicAlbum
date published: 2021-08-06
track: Szampanik
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159000
  explicit: false
  by artist: Artur Sikorski
  in album: Szampanik
    type: MusicAlbum
    date published: 2021-08-06

Gust
type: MusicAlbum
date published: 2022-06-09
track: Gust
  type: MusicRecording
  duration: PT2M26S
  duration ms: 146526
  explicit: false
  by artist: Artur Sikorski
  in album: Gust
    type: MusicAlbum
    date published: 2022-06-09
  isrc code: PLUM72200437
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T19:12:36+00:00

Będę Ci Śpiewał
type: MusicAlbum
date published: 2022-07-07
track: Będę Ci Śpiewał
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155887
  explicit: true
  by artist: Artur Sikorski
  in album: Będę Ci Śpiewał
    type: MusicAlbum
    date published: 2022-07-07
  isrc code: PLUM72200532
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T23:01:05+00:00

Pijemy Jak W Bułgarii
type: MusicAlbum
date published: 2022-07-21
track: Pijemy Jak W Bułgarii
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158571
  explicit: true
  by artist: Artur Sikorski
  in album: Pijemy Jak W Bułgarii
    type: MusicAlbum
    date published: 2022-07-21

Kochanie
type: MusicAlbum
date published: 2022-09-08
track: Kochanie
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151000
  explicit: true
  by artist: Artur Sikorski
  in album: Kochanie
    type: MusicAlbum
    date published: 2022-09-08

Nie gniewaj się
type: MusicAlbum
date published: 2023-02-13
track: Nie gniewaj się
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155593
  explicit: false
  by artist: Artur Sikorski
  in album: Nie gniewaj się
    type: MusicAlbum
    date published: 2023-02-13

Dla Ciebie
type: MusicAlbum
date published: 2023-07-13
track: Dla Ciebie
  type: MusicRecording
  duration: PT2M7S
  duration ms: 127285
  explicit: false
  by artist: Artur Sikorski
  in album: Dla Ciebie
    type: MusicAlbum
    date published: 2023-07-13

Mądrzejsi
type: MusicAlbum
date published: 2023-08-03
track: Mądrzejsi
  type: MusicRecording
  duration: PT2M3S
  duration ms: 123776
  explicit: false
  by artist: Artur Sikorski
  in album: Mądrzejsi
    type: MusicAlbum
    date published: 2023-08-03
  isrc code: PL2DY2301471
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T14:42:54+00:00

ilo
type: MusicAlbum
date published: 2023-08-24
track: Oli
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154838
  explicit: false
  by artist: Artur Sikorski
  in album: ilo
    type: MusicAlbum
    date published: 2023-08-24
  isrc code: PLC062009881
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T06:14:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3a853758ca436586933ad9ff933581f3296e6035917af41c223fc47127bb4ae1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC062009881
  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 → block OTSBitcoinBlock must exist at that height 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 0x3a853758ca436586933ad9ff933581f3296e6035917af41c223fc47127bb4ae1. 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/PLC062009881.
    date published: 2026-06-13T13:32:09Z
track: Gust
  type: MusicRecording
  duration: PT2M26S
  duration ms: 146526
  explicit: false
  by artist: Artur Sikorski
  in album: ilo
    type: MusicAlbum
    date published: 2023-08-24
  isrc code: PLUM72200437
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T19:12:36+00:00
track: Mądrzejsi
  type: MusicRecording
  duration: PT2M3S
  duration ms: 123776
  explicit: false
  by artist: Artur Sikorski
  in album: ilo
    type: MusicAlbum
    date published: 2023-08-24
  isrc code: PL2DY2301471
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T14:42:54+00:00
track: Nie Gniewaj Się
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156610
  explicit: false
  by artist: Artur Sikorski
  in album: ilo
    type: MusicAlbum
    date published: 2023-08-24
  isrc code: PL2DY2300485
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-17T10:24:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8ab77b7950bd1cd40e03ba260cfe1ad37c98386cbeaec95f8cc35566726b5855
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 954130
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/954130
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL2DY2300485
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-17T19:07:14Z
  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 → block OTSBitcoinBlock must exist at that height 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 0x8ab77b7950bd1cd40e03ba260cfe1ad37c98386cbeaec95f8cc35566726b5855. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/PL2DY2300485.
    date published: 2026-06-17T19:07:14Z
track: Seks i wino
  type: MusicRecording
  duration: PT2M14S
  duration ms: 134193
  explicit: false
  by artist: Artur Sikorski
  in album: ilo
    type: MusicAlbum
    date published: 2023-08-24
  isrc code: PL2DY2301474
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T06:12:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1f40171fa874ae4ccb2f612ba502457885ba78eb77d9e360ae5fe4a4bfde7a80
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL2DY2301474
  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 → block OTSBitcoinBlock must exist at that height 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 0x1f40171fa874ae4ccb2f612ba502457885ba78eb77d9e360ae5fe4a4bfde7a80. 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/PL2DY2301474.
    date published: 2026-06-13T13:32:09Z
track: Toksyczny
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147000
  explicit: false
  by artist: Artur Sikorski
  in album: ilo
    type: MusicAlbum
    date published: 2023-08-24
  isrc code: PL2DY2301475
track: Dama w opałach
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153000
  explicit: false
  by artist: Artur Sikorski
  in album: ilo
    type: MusicAlbum
    date published: 2023-08-24
  isrc code: PL2DY2301476
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T07:18:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xabf562a64101f2b73b1d55cfdc35c41d0baf6d36da210aec7eba5776fb76de07
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL2DY2301476
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Liceum
track: Szklanka Whiskey
track: Szampanik
track: Nagi
track: Będę Ci śpiewał
track: Dla Ciebie
track: Kochanie
track: Pijemy Jak w Bułgarii

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 → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabf562a64101f2b73b1d55cfdc35c41d0baf6d36da210aec7eba5776fb76de07. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/PL2DY2301476.
date published: 2026-07-02T03:55:08Z

Liceum
type: MusicRecording
duration: PT2M50S
duration ms: 170783
explicit: false
by artist: Artur Sikorski
in album: ilo
  type: MusicAlbum
  date published: 2023-08-24
isrc code: PL2DY2301477
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T17:57:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x57b9ab96fc40ccce5720ac34646bd5dcd9203200f5c445523d4e7090f0ddf0a4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL2DY2301477
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 → block OTSBitcoinBlock must exist at that height 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 0x57b9ab96fc40ccce5720ac34646bd5dcd9203200f5c445523d4e7090f0ddf0a4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/PL2DY2301477.
  date published: 2026-07-02T03:55:08Z

Szklanka Whiskey
type: MusicRecording
duration: PT2M39S
duration ms: 159500
explicit: false
by artist: Artur Sikorski
in album: ilo
  type: MusicAlbum
  date published: 2023-08-24
isrc code: PL2DY2301478

Szampanik
type: MusicRecording
duration: PT2M40S
duration ms: 160714
explicit: false
by artist: Artur Sikorski
in album: ilo
  type: MusicAlbum
  date published: 2023-08-24
isrc code: PLC062115616
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:23:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4c95a4e25e1436ece0ee61c1d0e58be9d322096e9c08c31816fc6da7603e8d90
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957041
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957041
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC062115616
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T13:25:45Z
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 → block OTSBitcoinBlock must exist at that height 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 0x4c95a4e25e1436ece0ee61c1d0e58be9d322096e9c08c31816fc6da7603e8d90. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/PLC062115616.
  date published: 2026-07-07T13:25:45Z

Nagi
type: MusicRecording
duration: PT2M4S
duration ms: 124687
explicit: false
by artist: Artur Sikorski
in album: ilo
  type: MusicAlbum
  date published: 2023-08-24
isrc code: PL2DY2301480
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T17:58:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xefad94c497d2112f67f4951e02467c964b53daa3532b9c72b052f85a05f1cef3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL2DY2301480
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 → block OTSBitcoinBlock must exist at that height 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 0xefad94c497d2112f67f4951e02467c964b53daa3532b9c72b052f85a05f1cef3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/PL2DY2301480.
  date published: 2026-07-02T03:55:08Z

Będę Ci śpiewał
type: MusicRecording
duration: PT2M35S
duration ms: 155887
explicit: true
by artist: Artur Sikorski
in album: ilo
  type: MusicAlbum
  date published: 2023-08-24
isrc code: PLUM72200532
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T23:01:05+00:00

Dla Ciebie
type: MusicRecording
duration: PT2M7S
duration ms: 127285
explicit: false
by artist: Artur Sikorski
in album: ilo
  type: MusicAlbum
  date published: 2023-08-24
isrc code: PL2DY2301481
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T13:10:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a3b626a6df2a0b518a4caed851372d69d09ba5dcad5b149d17e1dc4f589fe6b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PL2DY2301481
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 → block OTSBitcoinBlock must exist at that height 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 0x4a3b626a6df2a0b518a4caed851372d69d09ba5dcad5b149d17e1dc4f589fe6b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/PL2DY2301481.
  date published: 2026-07-02T03:30:09Z

Kochanie
type: MusicRecording
duration: PT2M31S
duration ms: 151000
explicit: true
by artist: Artur Sikorski
in album: ilo
  type: MusicAlbum
  date published: 2023-08-24
isrc code: PLUM72200700
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:49:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xafd5bbb6a1962aee664922500c352068533666e40302db807d0264d651b2484b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLUM72200700
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
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 → block OTSBitcoinBlock must exist at that height 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 0xafd5bbb6a1962aee664922500c352068533666e40302db807d0264d651b2484b. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/PLUM72200700.
  date published: 2026-07-06T06:56:49Z

Pijemy Jak w Bułgarii
type: MusicRecording
duration: PT2M38S
duration ms: 158571
explicit: true
by artist: Artur Sikorski
in album: ilo
  type: MusicAlbum
  date published: 2023-08-24
isrc code: PLUM72200568

Adoruje
type: MusicAlbum
date published: 2024-03-22
track: Adoruje
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155121
  explicit: false
  by artist: Artur Sikorski
  in album: Adoruje
    type: MusicAlbum
    date published: 2024-03-22

Kolejny Marzec
type: MusicAlbum
date published: 2024-05-16
track: Kolejny Marzec
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170322
  explicit: false
  by artist: Artur Sikorski
  in album: Kolejny Marzec
    type: MusicAlbum
    date published: 2024-05-16

Ona jest niebywała
type: MusicAlbum
date published: 2024-08-30
track: Ona jest niebywała
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121500
  explicit: false
  by artist: Artur Sikorski
  in album: Ona jest niebywała
    type: MusicAlbum
    date published: 2024-08-30

obyś to była Ty
type: MusicAlbum
date published: 2024-11-22
track: obyś to była Ty
  type: MusicRecording
  duration: PT2M14S
  duration ms: 134988
  explicit: false
  by artist: Artur Sikorski
  in album: obyś to była Ty
    type: MusicAlbum
    date published: 2024-11-22

16: Kiedy Już
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187791
  explicit: false
  by artist: Remo
  by artist: Artur Sikorski
  by artist: Dominika Sozańska
  in album: Sekret
    type: MusicAlbum
    date published: 2018-07-22
  isrc code: PLC061806918
17: Tak Wiele Strat
  type: MusicRecording
  duration: PT4M3S
  duration ms: 243236
  explicit: false
  by artist: Remo
  by artist: Artur Sikorski
  in album: Sekret
    type: MusicAlbum
    date published: 2018-07-22
  isrc code: PLC061806491
18: STO TYSIĘCY ŁEZ
  type: MusicRecording
  duration: PT2M20S
  duration ms: 140281
  explicit: false
  by artist: Eryk Moczko
  by artist: Artur Sikorski
  by artist: Koder
  in album: Dlaczego znowu płaczesz
    type: MusicAlbum
    date published: 2024-08-06
  isrc code: PLB382400567
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T12:08:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8ba24d1066d414d825fc0cfef6db7457908883c8e92e8b5d925253bce1e75b1c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLB382400567
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  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 → block OTSBitcoinBlock must exist at that height 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 0x8ba24d1066d414d825fc0cfef6db7457908883c8e92e8b5d925253bce1e75b1c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/PLB382400567.
    date published: 2026-07-02T03:30:09Z
19: Ale Ty To Wiesz
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185454
  explicit: false
  by artist: Remo
  by artist: Tabb
  by artist: Artur Sikorski
  in album: Ale Ty To Wiesz
    type: MusicAlbum
    date published: 2021-07-23
  isrc code: PLC062115188
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T17:26:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x96b99cbc1b39c63cf15300ffe060297f344cd3f1ae8d5cd1b85894becfcd661d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC062115188
  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 → block OTSBitcoinBlock must exist at that height 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 0x96b99cbc1b39c63cf15300ffe060297f344cd3f1ae8d5cd1b85894becfcd661d. 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/PLC062115188.
    date published: 2026-06-13T15:41:10Z