Dziecięce Przeboje
type: MusicGroup
genre: children's music
popularity: 34
followers: 9997
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c690b25e594cbf2ad17d2b47a84264a884001198b08af9db78fbf226a6095d5
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/df3a83d2-aa23-4c5f-8655-45b97b84f68e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/df3a83d2-aa23-4c5f-8655-45b97b84f68e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/df3a83d2-aa23-4c5f-8655-45b97b84f68e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2c690b25e594cbf2ad17d2b47a84264a884001198b08af9db78fbf226a6095d5","name":"Dziecięce Przeboje","registered_at":"2026-06-12T11:45:09Z","symbol":"NIM0287873","token_address":"0xc2e2b2bb3399b391a29a1a66f65d568ddb1dbb4a","type":"artist","uuid":"df3a83d2-aa23-4c5f-8655-45b97b84f68e"}
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 0x2c690b25e594cbf2ad17d2b47a84264a884001198b08af9db78fbf226a6095d5. 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/df3a83d2-aa23-4c5f-8655-45b97b84f68e.json and https://artists.proofprofile.net/proofs/artist/df3a83d2-aa23-4c5f-8655-45b97b84f68e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x2c690b25e594cbf2ad17d2b47a84264a884001198b08af9db78fbf226a6095d5","name":"Dziecięce Przeboje","registered_at":"2026-06-12T11:45:09Z","symbol":"NIM0287873","token_address":"0xc2e2b2bb3399b391a29a1a66f65d568ddb1dbb4a","type":"artist","uuid":"df3a83d2-aa23-4c5f-8655-45b97b84f68e"}
album: Dziecięce Przeboje
  type: MusicAlbum
  date published: 2013-01-01
  track: Gdzie są moje cukierki
    type: MusicRecording
    duration: PT2M43S
    duration ms: 163133
    explicit: false
    by artist: Dziecięce Przeboje
    in album: Dziecięce Przeboje
      type: MusicAlbum
      date published: 2013-01-01
    genre: children's music
    isrc code: PLC061302524
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T13:31:52+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x279fa15e1b22a40b037accb749328ce82408c54b69d4c78e2ae39455da558c4e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958166
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958166
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC061302524
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T15:55:19Z
    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 0x279fa15e1b22a40b037accb749328ce82408c54b69d4c78e2ae39455da558c4e. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/PLC061302524.
      date published: 2026-07-15T15:55:19Z
    audio: Gdzie są moje cukierki
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 137.005
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.94
      additional property: Energy
        type: PropertyValue
        value: 0.567
      additional property: Speechiness
        type: PropertyValue
        value: 0.35
      additional property: Acousticness
        type: PropertyValue
        value: 0.497
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.314
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.705
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.479
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Kołysanka Księżniczki Loli
    type: MusicRecording
    duration: PT2M39S
    duration ms: 159626
    explicit: false
    by artist: Dziecięce Przeboje
    in album: Dziecięce Przeboje
      type: MusicAlbum
      date published: 2013-01-01
    genre: children's music
    isrc code: PLC061302525
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T23:19:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6747be4fd7cff7931a8ed54648b7a01b816da28c379db93fe0acdf6142010277
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956634
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956634
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC061302525
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x6747be4fd7cff7931a8ed54648b7a01b816da28c379db93fe0acdf6142010277. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC061302525.
      date published: 2026-07-04T10:04:33Z
    audio: Kołysanka Księżniczki Loli
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 105.051
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.538
      additional property: Energy
        type: PropertyValue
        value: 0.25
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.942
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.071
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.253
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Owocowa piosenka
  track: Nasz szkolny zespół
  track: Trele morele
album: Dziecięce przeboje 2013
album: Dziecięce Przeboje Kids Party
album: The Best of - Diamentowa Edycja
album: Najlepsze Hity!
album: Urodzinki Małpiej Rodzinki
album: Luli Laj
album: Barka
album: Krówka
album: Malutkie pingwinki (Karaoke)
album: Myszkowanie (Karaoke)
album: Zoo
album: Małpy (Karaoke)
album: Mały lew
album: Miś
album: Bańka mydlana (Karaoke)
album: Baran
album: To jest dance, super dance
album: Echo, echo
album: Piesek
album: Harcerze (Karaoke)
album: Harcerze
album: Ballada o złotej rybce
album: Słonik (Karaoke)
album: Małpy
album: Mały lew (Karaoke)
album: Lemur
album: Myszkowanie
album: Słonik
album: Piesenka
album: Kotek
album: Bańka mydlana
album: Malutkie pingwinki
album: Papużki nierozłączki
album: Pan policjant
album: Lemur (Karaoke)
album: Kwiatowa piosenka
album: Śpij Maleńki
album: Mikołaj
album: Samochód
album: Samochód (Karaoke)
album: Strażak
album: Strażak (Karaoke)
album: Hipopotam
album: Hipopotam DUPLIKAT (Karaoke)
album: Papuga
album: Konik
album: Pszczółka Bzz
album: Pszczółka Bzz (Karaoke)
album: Świnka Chrum Chrum
album: Rudy Lis
album: Rudy Lis (Karaoke)
album: Znikaj Wirusie
album: Znikaj Wirusie (karaoke)
album: Magiczna Maseczka
album: Magiczna Maseczka (Karaoke)
album: Dzieci
album: Bajki dla dzieci (Karaoke)
album: Bajki dla dzieci
album: Jedziemy na wakacje (Karaoke)
album: Jedziemy na wakacje
album: Jamnik (Karaoke)
album: Jamnik
album: Śpiąca Rybka

Loudness (dB)
type: PropertyValue
value: -10.847

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Owocowa piosenka
type: MusicRecording
duration: PT2M49S
duration ms: 169866
explicit: false
by artist: Dziecięce Przeboje
in album: Dziecięce Przeboje
  type: MusicAlbum
  date published: 2013-01-01
genre: children's music
isrc code: PLC061302527
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T23:26:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x180a8b9cbb814031aa08a8e142f4eb6b4083a59cc92e84ee61a506d521e7836d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC061302527
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
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 0x180a8b9cbb814031aa08a8e142f4eb6b4083a59cc92e84ee61a506d521e7836d. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/PLC061302527.
  date published: 2026-07-06T01:25:57Z
audio: Owocowa piosenka
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 79.528
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.799
  additional property: Energy
    type: PropertyValue
    value: 0.761
  additional property: Speechiness
    type: PropertyValue
    value: 0.165
  additional property: Acousticness
    type: PropertyValue
    value: 0.357
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.134
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.878
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.23
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Nasz szkolny zespół
type: MusicRecording
duration: PT2M22S
duration ms: 142400
explicit: false
by artist: Dziecięce Przeboje
in album: Dziecięce Przeboje
  type: MusicAlbum
  date published: 2013-01-01
genre: children's music
isrc code: PLC061302529
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T22:04:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe29be6f4b5eb995bc2fb09fe6fa533933c5c2eda3e1839f29a3222ee6d038fb2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958942
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958942
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC061302529
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T00:24:07Z
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 0xe29be6f4b5eb995bc2fb09fe6fa533933c5c2eda3e1839f29a3222ee6d038fb2. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/PLC061302529.
  date published: 2026-07-21T00:24:07Z
audio: Nasz szkolny zespół
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.998
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.804
  additional property: Energy
    type: PropertyValue
    value: 0.823
  additional property: Speechiness
    type: PropertyValue
    value: 0.242
  additional property: Acousticness
    type: PropertyValue
    value: 0.239
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.32
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.605
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.239
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Trele morele
type: MusicRecording
duration: PT2M41S
duration ms: 161133
explicit: false
by artist: Dziecięce Przeboje
in album: Dziecięce Przeboje
  type: MusicAlbum
  date published: 2013-01-01
genre: children's music
isrc code: PLC061302530
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T19:58:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3ae8521c59fe712f3448044502a3a4945b5a6bb10b33bf88f5e9fe2a90c98a70
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958931
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958931
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC061302530
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T21:15:01Z
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 0x3ae8521c59fe712f3448044502a3a4945b5a6bb10b33bf88f5e9fe2a90c98a70. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/PLC061302530.
  date published: 2026-07-20T21:15:01Z
audio: Trele morele
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 184.166
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.776
  additional property: Energy
    type: PropertyValue
    value: 0.575
  additional property: Speechiness
    type: PropertyValue
    value: 0.352
  additional property: Acousticness
    type: PropertyValue
    value: 0.066
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.364
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.007
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dziecięce Przeboje
type: MusicAlbum
date published: 2013-01-01

Dziecięce przeboje 2013
type: MusicAlbum
date published: 2013-05-24

Dziecięce Przeboje Kids Party
type: MusicAlbum
date published: 2015-01-01

Dziecięce Przeboje Kids Party
type: MusicAlbum
date published: 2015-01-01

The Best of - Diamentowa Edycja
type: MusicAlbum
date published: 2017-05-19

Najlepsze Hity!
type: MusicAlbum
date published: 2018-01-01
track: Farma Dziadka
  type: MusicRecording
  duration: PT1M53S
  duration ms: 113972
  explicit: false
  by artist: Dziecięce Przeboje
  in album: Najlepsze Hity!
    type: MusicAlbum
    date published: 2018-01-01
  genre: children's music
  isrc code: PLC061807241
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T07:23:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaba919bb195f79d63ec1fa0ed168eee41e1b73bbc29a837a8d2d59c5c3e12966
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959114
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959114
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC061807241
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T08:41:42Z
  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 0xaba919bb195f79d63ec1fa0ed168eee41e1b73bbc29a837a8d2d59c5c3e12966. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/PLC061807241.
    date published: 2026-07-22T08:41:42Z
  audio: Farma Dziadka
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.955
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.692
    additional property: Energy
      type: PropertyValue
      value: 0.798
    additional property: Speechiness
      type: PropertyValue
      value: 0.052
    additional property: Acousticness
      type: PropertyValue
      value: 0.425
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.614
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.847
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.939
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Lululanka
  type: MusicRecording
  duration: PT1M27S
  duration ms: 87823
  explicit: false
  by artist: Dziecięce Przeboje
  in album: Najlepsze Hity!
    type: MusicAlbum
    date published: 2018-01-01
  genre: children's music
  isrc code: PLC061807248
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T19:00:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x98bb13d5d2cc41d5efaafee00570cefbef18787e2667d57ccf1060ad5caf7e13
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957747
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957747
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC061807248
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T19:35:06Z
  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 0x98bb13d5d2cc41d5efaafee00570cefbef18787e2667d57ccf1060ad5caf7e13. Chain 2 (Bitcoin): anchored in block 957747 (2026-07-12T19:35:06Z), 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/PLC061807248.
    date published: 2026-07-12T19:35:06Z
  audio: Lululanka
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 160.612
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.314
    additional property: Energy
      type: PropertyValue
      value: 0.103
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.978
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.113
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.553
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.166
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Przedszkolna Dyskoteka
  type: MusicRecording
  duration: PT1M44S
  duration ms: 104568
  explicit: false
  by artist: Dziecięce Przeboje
  in album: Najlepsze Hity!
    type: MusicAlbum
    date published: 2018-01-01
  genre: children's music
  isrc code: PLC061807251
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T22:10:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x26649917a2d5b4f8b1c1652cee3345832dd5e5eba4a8a07c963f74b894de2ec3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956856
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956856
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Przedszkolna Dyskoteka
track: Koala-La
track: Kocisanka

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC061807251

OTSTimestamp
type: PropertyValue
value: 2026-07-06T01:25:57Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26649917a2d5b4f8b1c1652cee3345832dd5e5eba4a8a07c963f74b894de2ec3. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/PLC061807251.
date published: 2026-07-06T01:25:57Z

Przedszkolna Dyskoteka
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 175.148
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.72
additional property: Energy
  type: PropertyValue
  value: 0.963
additional property: Speechiness
  type: PropertyValue
  value: 0.251
additional property: Acousticness
  type: PropertyValue
  value: 0.391
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.325
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.699
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.393
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Koala-La
type: MusicRecording
duration: PT3M12S
duration ms: 192522
explicit: false
by artist: Dziecięce Przeboje
in album: Najlepsze Hity!
  type: MusicAlbum
  date published: 2018-01-01
genre: children's music
isrc code: PLC061807257
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T17:21:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x98e3ce93ed1ff2ce7ab582b1db35a26de35f5be0258a98ee4bb15e4232f2a95c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956826
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956826
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC061807257
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T19:27:56Z
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 0x98e3ce93ed1ff2ce7ab582b1db35a26de35f5be0258a98ee4bb15e4232f2a95c. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/PLC061807257.
  date published: 2026-07-05T19:27:56Z
audio: Koala-La
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 150.076
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.742
  additional property: Energy
    type: PropertyValue
    value: 0.723
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.196
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.515
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.081
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kocisanka
type: MusicRecording
duration: PT1M58S
duration ms: 118517
explicit: false
by artist: Dziecięce Przeboje
in album: Najlepsze Hity!
  type: MusicAlbum
  date published: 2018-01-01
genre: children's music
isrc code: PLC061807258
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T01:00:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7849680708d3fbb3a4261c29ffcfb6c3ea29717404d627963de98ff9eaeca81c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956422
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956422
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC061807258
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T01:01:38Z
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 → 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 0x7849680708d3fbb3a4261c29ffcfb6c3ea29717404d627963de98ff9eaeca81c. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/PLC061807258.
  date published: 2026-07-03T01:01:38Z
audio: Kocisanka
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.065
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.66
  additional property: Energy
    type: PropertyValue
    value: 0.26
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.835
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.403
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.662
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.133
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Urodzinki Małpiej Rodzinki
type: MusicAlbum
date published: 2018-01-01

Najlepsze Hity!
type: MusicAlbum
date published: 2018-10-25

Luli Laj
type: MusicAlbum
date published: 2019-01-01

Barka
type: MusicAlbum
date published: 2019-01-01

Krówka
type: MusicAlbum
date published: 2019-11-08

Malutkie pingwinki (Karaoke)
type: MusicAlbum
date published: 2019-11-08

Myszkowanie (Karaoke)
type: MusicAlbum
date published: 2019-11-08

Zoo
type: MusicAlbum
date published: 2019-11-08

Małpy (Karaoke)
type: MusicAlbum
date published: 2019-11-08

Mały lew
type: MusicAlbum
date published: 2019-11-08

Miś
type: MusicAlbum
date published: 2019-11-08

Bańka mydlana (Karaoke)
type: MusicAlbum
date published: 2019-11-08

Baran
type: MusicAlbum
date published: 2019-11-08

To jest dance, super dance
type: MusicAlbum
date published: 2019-11-08

Echo, echo
type: MusicAlbum
date published: 2019-11-08

Piesek
type: MusicAlbum
date published: 2019-11-08

Harcerze (Karaoke)
type: MusicAlbum
date published: 2019-11-08

Harcerze
type: MusicAlbum
date published: 2019-11-08

Ballada o złotej rybce
type: MusicAlbum
date published: 2019-11-08

Słonik (Karaoke)
type: MusicAlbum
date published: 2019-11-08

Małpy
type: MusicAlbum
date published: 2019-11-08

Echo, echo
type: MusicAlbum
date published: 2019-11-08

Mały lew (Karaoke)
type: MusicAlbum
date published: 2019-11-08

Lemur
type: MusicAlbum
date published: 2019-11-08

Myszkowanie
type: MusicAlbum
date published: 2019-11-08

Słonik
type: MusicAlbum
date published: 2019-11-08

Piesenka
type: MusicAlbum
date published: 2019-11-08

Kotek
type: MusicAlbum
date published: 2019-11-08

Bańka mydlana
type: MusicAlbum
date published: 2019-11-08

Malutkie pingwinki
type: MusicAlbum
date published: 2019-11-08

Piesek
type: MusicAlbum
date published: 2019-11-08

Piesenka
type: MusicAlbum
date published: 2019-11-08

Kotek
type: MusicAlbum
date published: 2019-11-08

Papużki nierozłączki
type: MusicAlbum
date published: 2019-11-08

Pan policjant
type: MusicAlbum
date published: 2019-11-08

Lemur (Karaoke)
type: MusicAlbum
date published: 2019-11-08

Kwiatowa piosenka
type: MusicAlbum
date published: 2019-11-08

Śpij Maleńki
type: MusicAlbum
date published: 2019-11-25

Mikołaj
type: MusicAlbum
date published: 2019-12-09

Samochód
type: MusicAlbum
date published: 2020-01-07

Samochód (Karaoke)
type: MusicAlbum
date published: 2020-01-07

Strażak
type: MusicAlbum
date published: 2020-01-17

Strażak (Karaoke)
type: MusicAlbum
date published: 2020-01-17

Hipopotam
type: MusicAlbum
date published: 2020-02-03

Hipopotam DUPLIKAT (Karaoke)
type: MusicAlbum
date published: 2020-02-03

Papuga
type: MusicAlbum
date published: 2020-02-24

Konik
type: MusicAlbum
date published: 2020-03-04

Pszczółka Bzz
type: MusicAlbum
date published: 2020-03-18

Pszczółka Bzz (Karaoke)
type: MusicAlbum
date published: 2020-03-18

Świnka Chrum Chrum
type: MusicAlbum
date published: 2020-04-02

Rudy Lis
type: MusicAlbum
date published: 2020-04-20

Rudy Lis (Karaoke)
type: MusicAlbum
date published: 2020-04-20

Znikaj Wirusie
type: MusicAlbum
date published: 2020-04-28

Znikaj Wirusie (karaoke)
type: MusicAlbum
date published: 2020-04-28

Magiczna Maseczka
type: MusicAlbum
date published: 2020-05-15

Magiczna Maseczka (Karaoke)
type: MusicAlbum
date published: 2020-05-15

Dzieci
type: MusicAlbum
date published: 2020-06-10

Bajki dla dzieci (Karaoke)
type: MusicAlbum
date published: 2020-06-16

Bajki dla dzieci
type: MusicAlbum
date published: 2020-06-16

Jedziemy na wakacje (Karaoke)
type: MusicAlbum
date published: 2020-07-15

Jedziemy na wakacje
type: MusicAlbum
date published: 2020-07-15

Jamnik (Karaoke)
type: MusicAlbum
date published: 2020-08-20

Jamnik
type: MusicAlbum
date published: 2020-08-20

Śpiąca Rybka
type: MusicAlbum
date published: 2020-09-18

Śpiąca Rybka (Karaoke)
type: MusicAlbum
date published: 2020-09-18

Żółta koparka (Karaoke)
type: MusicAlbum
date published: 2020-10-16

Żółta koparka
type: MusicAlbum
date published: 2020-10-16
track: Żółta koparka
  type: MusicRecording
  duration: PT1M39S
  duration ms: 99056
  explicit: false
  by artist: Dziecięce Przeboje
  in album: Żółta koparka
    type: MusicAlbum
    date published: 2020-10-16
  genre: children's music
  isrc code: PLC062011146
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T22:46:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd9c23934e0345a557534890d80965ec6e7663bf33aee97d101db3ed432909398
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958079
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958079
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC062011146
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T00:21:05Z
  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
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    date published: 2026-07-15T00:21:05Z
  audio: Żółta koparka
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.927
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
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    additional property: Time Signature
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    additional property: Energy
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Ciuchcia
type: MusicAlbum
date published: 2020-11-19

Świąteczna piosenka (karaoke)
type: MusicAlbum
date published: 2020-12-16

Świąteczna piosenka
type: MusicAlbum
date published: 2020-12-16

Zielona śmieciarka (Karaoke)
type: MusicAlbum
date published: 2021-01-15

Zielona Śmieciarka
type: MusicAlbum
date published: 2021-01-15

Układ Słoneczny
type: MusicAlbum
date published: 2021-02-16

Układ Słoneczny (Karaoke)
type: MusicAlbum
date published: 2021-02-16

Kot i mysz
type: MusicAlbum
date published: 2021-03-11

Kot i mysz (Karaoke)
type: MusicAlbum
date published: 2021-03-11

Lecimy samolotem (Karaoke)
type: MusicAlbum
date published: 2021-03-31

Lecimy samolotem
type: MusicAlbum
date published: 2021-03-31

Zgaduj Kolory
type: MusicAlbum
date published: 2021-04-23

Zgaduj Kolory (karaoke)
type: MusicAlbum
date published: 2021-04-23

Jeż Tup Tup
type: MusicAlbum
date published: 2021-05-11

Jeż Tup Tup (karaoke)
type: MusicAlbum
date published: 2021-05-11

Wróbelek Ćwirk (karaoke)
type: MusicAlbum
date published: 2021-06-01

Wróbelek Ćwirk
type: MusicAlbum
date published: 2021-06-01

Gimnastyka Smyka
type: MusicAlbum
date published: 2021-06-29

Gimnastyka Smyka (karaoke)
type: MusicAlbum
date published: 2021-06-29

Nasza Klasa
type: MusicAlbum
date published: 2021-09-10

Nasza Klasa (Karaoke)
type: MusicAlbum
date published: 2021-09-10

Dzielny Przedszkolak (Karaoke)
type: MusicAlbum
date published: 2021-10-05

Dzielny Przedszkolak
type: MusicAlbum
date published: 2021-10-05

Lepimy Bałwana
type: MusicAlbum
date published: 2021-12-03

Lepimy Bałwana (Karaoke)
type: MusicAlbum
date published: 2021-12-03

Kosmo Żabka wita Ziemię
type: MusicAlbum
date published: 2022-01-07

Kosmo Żabka wita Ziemię (Karaoke)
type: MusicAlbum
date published: 2022-01-07

Lisek Łakomczuszek (Karaoke)
type: MusicAlbum
date published: 2022-01-18

Lisek Łakomczuszek
type: MusicAlbum
date published: 2022-01-18

Ziemianie, Kosmo Żabka tu zostanie! (Karaoke)
type: MusicAlbum
date published: 2022-02-09

Ziemianie, Kosmo Żabka tu zostanie!
type: MusicAlbum
date published: 2022-02-09

Kosmo Żabka w zoo (Karaoke)
type: MusicAlbum
date published: 2022-03-17

Król Lew (Karaoke)
type: MusicAlbum
date published: 2022-03-17

Kosmo Żabka w zoo
type: MusicAlbum
date published: 2022-03-17

Król Lew
type: MusicAlbum
date published: 2022-03-17

Dinozaury (Karaoke)
type: MusicAlbum
date published: 2022-04-20

Dinozaury
type: MusicAlbum
date published: 2022-04-20
track: Dinozaury
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    date published: 2022-04-20
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-16T02:28:43Z
  audio: Dinozaury
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Acousticness
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    additional property: Instrumentalness
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Tak, Potrafię! (Karaoke)
type: MusicAlbum
date published: 2022-05-19

Tak, Potrafię!
type: MusicAlbum
date published: 2022-05-19

Piosenka Kąpielowa Powraca (Karaoke)
type: MusicAlbum
date published: 2022-10-19

Krówka Muuwka Powraca
type: MusicAlbum
date published: 2022-10-19

Wilk i Zając
type: MusicAlbum
date published: 2022-10-19

Miodzio Miś
type: MusicAlbum
date published: 2022-10-19

Wilk i Zając (Karaoke)
type: MusicAlbum
date published: 2022-10-19

Piosenka Kąpielowa Powraca
type: MusicAlbum
date published: 2022-10-19

Miodzio Miś (Karaoke)
type: MusicAlbum
date published: 2022-10-19

Krówka Muuwka Powraca (Karaoke)
type: MusicAlbum
date published: 2022-10-19

Śmieszny Krokodyl (Karaoke)
type: MusicAlbum
date published: 2022-11-08

Śmieszny Krokodyl
type: MusicAlbum
date published: 2022-11-08

Rodzina Kosmo Żabki
type: MusicAlbum
date published: 2022-12-13

Polska Gola
type: MusicAlbum
date published: 2022-12-13

Rodzina Kosmo Żabki (Karaoke)
type: MusicAlbum
date published: 2022-12-13

Polska Gola (Karaoke)
type: MusicAlbum
date published: 2022-12-13

Kosmo Żabka, Kot Staś, Bocian Kle kle
type: MusicAlbum
date published: 2022-12-27

Kosmo Żabka, Kot Staś, Bocian Kle kle (Karaoke)
type: MusicAlbum
date published: 2022-12-27

Podróżnik Jaś
type: MusicAlbum
date published: 2023-01-19

Kosmo Żabka ja lubię Cię
type: MusicAlbum
date published: 2023-01-25

Kosmo Żabka ja lubię Cię (Karaoke)
type: MusicAlbum
date published: 2023-01-25

Dobry Czarodziej (Karaoke)
type: MusicAlbum
date published: 2023-02-01

Będę Wróżką (Karaoke)
type: MusicAlbum
date published: 2023-02-01

Walentynki
type: MusicAlbum
date published: 2023-02-01

Walentynki (Karaoke)
type: MusicAlbum
date published: 2023-02-01

Dobry Czarodziej
type: MusicAlbum
date published: 2023-02-01

Pani Pielęgniarka
type: MusicAlbum
date published: 2023-02-01

Lecimy do Zoo (Karaoke)
type: MusicAlbum
date published: 2023-02-01

Kot Staś Powraca (Karaoke)
type: MusicAlbum
date published: 2023-02-01

Hulajnoga
type: MusicAlbum
date published: 2023-02-01

Nowy Rok
type: MusicAlbum
date published: 2023-02-01

Lululanka (Karaoke)
type: MusicAlbum
date published: 2023-02-01

Lecimy Balonem
type: MusicAlbum
date published: 2023-02-01

Lecimy Balonem (Karaoke)
type: MusicAlbum
date published: 2023-02-01

Pani Pielęgniarka (Karaoke)
type: MusicAlbum
date published: 2023-02-01

Mam Marzenia
type: MusicAlbum
date published: 2023-02-01

Kosmo Żabka - Kosmo Taniec
type: MusicAlbum
date published: 2023-02-01

Będę Wróżką
type: MusicAlbum
date published: 2023-02-01

Hulajnoga (Karaoke)
type: MusicAlbum
date published: 2023-02-01

Małpy
type: MusicAlbum
date published: 2023-02-01

Lecimy do Zoo
type: MusicAlbum
date published: 2023-02-01

Lululanka
type: MusicAlbum
date published: 2023-02-01

Jedziemy na Mecz
type: MusicAlbum
date published: 2023-02-01

Mam Marzenia (Karaoke)
type: MusicAlbum
date published: 2023-02-01

Nowy Rok (Karaoke)
type: MusicAlbum
date published: 2023-02-01

Krasnoludki
type: MusicAlbum
date published: 2023-02-01

Kosmo Żabka - Kosmo Taniec (Karaoke)
type: MusicAlbum
date published: 2023-02-01

Pięć Kaczuszek
type: MusicAlbum
date published: 2023-02-01

Pięć Kaczuszek (Karaoke)
type: MusicAlbum
date published: 2023-02-01

Kot Staś Powraca
type: MusicAlbum
date published: 2023-02-01

Goryl Boryl
type: MusicAlbum
date published: 2023-02-21
track: Goryl Boryl
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170057
  explicit: false
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    type: MusicAlbum
    date published: 2023-02-21
  genre: children's music
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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    value: 2026-07-22T02:14:33Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8edd8025db69a0d11f704d463f83d9cb4722c406b9991fb75ba9ef108b7e4047. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T02:14:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLC062257859.
    date published: 2026-07-22T02:14:33Z
  audio: Goryl Boryl
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    additional property: Acousticness
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    additional property: Instrumentalness
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Goryl Boryl (Karaoke)
type: MusicAlbum
date published: 2023-02-21

Kocia Załoga
type: MusicAlbum
date published: 2023-03-14
track: Kocia Załoga
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    date published: 2023-03-14
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    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T01:01:38Z
  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 → 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 0x7bc372ba21fe3d94913ba23fa0edb451ee5584c6f36591f605e60438b119c950. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/PLC062260998.
    date published: 2026-07-03T01:01:38Z
  audio: Kocia Załoga
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
      value: 0.016
    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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Kocia Załoga (Karaoke)
type: MusicAlbum
date published: 2023-03-14

Kot Staś śpiewa idziemy do Zoo
type: MusicAlbum
date published: 2023-05-11

Kot Staś śpiewa idziemy do Zoo (Karaoke)
type: MusicAlbum
date published: 2023-05-11

Kot Staś Śpiewa Kaczuchy
type: MusicAlbum
date published: 2023-06-27

Kot Staś Śpiewa Kaczuchy (Karaoke)
type: MusicAlbum
date published: 2023-06-27

Bananowa Piosenka (Karaoke)
type: MusicAlbum
date published: 2024-01-10

Bananowa Piosenka
type: MusicAlbum
date published: 2024-01-10

Czekolada (karaoke)
type: MusicAlbum
date published: 2024-02-02

Czekolada
type: MusicAlbum
date published: 2024-02-02

Miś Panda (Karaoke)
type: MusicAlbum
date published: 2024-03-04

Miś Panda
type: MusicAlbum
date published: 2024-03-04

Bugi ługi dla papugi (Karaoke)
type: MusicAlbum
date published: 2024-03-04

Bugi ługi dla papugi
type: MusicAlbum
date published: 2024-03-04

Zwierzęta na farmie (karaoke)
type: MusicAlbum
date published: 2024-09-17

Piesek Dingo (karaoke)
type: MusicAlbum
date published: 2024-09-17

Żyrafo, nie chowaj się za szafą (karaoke)
type: MusicAlbum
date published: 2024-09-17

Traktor Jedzie
type: MusicAlbum
date published: 2024-09-17

Wata cukrowa (karaoke)
type: MusicAlbum
date published: 2024-09-17

Wata cukrowa
type: MusicAlbum
date published: 2024-09-17

Traktor Jedzie (karaoke)
type: MusicAlbum
date published: 2024-09-17

Żyrafo, nie chowaj się za szafą
type: MusicAlbum
date published: 2024-09-17

Wesoły smok (karaoke)
type: MusicAlbum
date published: 2024-09-17

Wesoły smok
type: MusicAlbum
date published: 2024-09-17

Piesek Dingo
type: MusicAlbum
date published: 2024-09-17

Zwierzęta na farmie
type: MusicAlbum
date published: 2024-09-17

Mikołaj z prezentami
type: MusicAlbum
date published: 2024-12-03

Misio Pysio (Karaoke)
type: MusicAlbum
date published: 2024-12-03

Surykatki (Karaoke)
type: MusicAlbum
date published: 2024-12-03

Mikołaj z prezentami (Karaoke)
type: MusicAlbum
date published: 2024-12-03

Surykatki
type: MusicAlbum
date published: 2024-12-03

Misio Pysio
type: MusicAlbum
date published: 2024-12-03