kieras
type: MusicGroup
popularity: 28
followers: 1367
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b65d27369a95b87e4143f5c098601bac63444a67c9a46cd018944234610d468
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/c4790796-afa0-44f5-80d0-738a188ba1dd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c4790796-afa0-44f5-80d0-738a188ba1dd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c4790796-afa0-44f5-80d0-738a188ba1dd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b65d27369a95b87e4143f5c098601bac63444a67c9a46cd018944234610d468. 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/c4790796-afa0-44f5-80d0-738a188ba1dd.json and https://artists.proofprofile.net/proofs/artist/c4790796-afa0-44f5-80d0-738a188ba1dd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Powroty
  type: MusicAlbum
  date published: 2019-02-03
album: Przeloty
  type: MusicAlbum
  date published: 2019-12-01
album: Żyję GDY Umieram
  type: MusicAlbum
  date published: 2020-02-16
album: Kieras Wrotas presents
  type: MusicAlbum
  date published: 2020-08-02
album: Przechadzki
  type: MusicAlbum
  date published: 2021-01-22
album: 4POLA
  type: MusicAlbum
  date published: 2021-06-25
album: Nałogowe wschody słońca Jana Okupacji
  type: MusicAlbum
  date published: 2021-07-23
  track: Nałogowe wschody słońca Jana Okupacji
    type: MusicRecording
    duration: PT3M24S
    duration ms: 204347
    explicit: false
    by artist: kieras
    in album: Nałogowe wschody słońca Jana Okupacji
      type: MusicAlbum
      date published: 2021-07-23
    isrc code: FRX282164207
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T19:40:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb0beb43f95b477c3f618fc67f672893f878671ee431a00596dc4df0c3d477e7f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958196
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958196
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX282164207
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T22:42:12Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0beb43f95b477c3f618fc67f672893f878671ee431a00596dc4df0c3d477e7f. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:42:12Z), 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/FRX282164207.
      date published: 2026-07-15T22:42:12Z
    audio: Nałogowe wschody słońca Jana Okupacji
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 138.041
      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: 0.541
      additional property: Energy
        type: PropertyValue
        value: 0.721
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.27
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.078
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.655
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.14
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Nałogowe wschody słońca Jana Okupacji
  type: MusicAlbum
  date published: 2021-07-23
album: Mewa Towarzyska
  type: MusicAlbum
  date published: 2021-07-30
album: Mewa Towarzyska
  type: MusicAlbum
  date published: 2021-07-30
album: CIERPLIWOŚCI
  type: MusicAlbum
  date published: 2021-09-10
album: CIERPLIWOŚCI
  type: MusicAlbum
  date published: 2021-10-08
  track: CIERPLIWOŚCI
    type: MusicRecording
    duration: PT2M20S
    duration ms: 140719
    explicit: false
    by artist: kieras
    in album: CIERPLIWOŚCI
      type: MusicAlbum
      date published: 2021-10-08
    isrc code: FRX762142862
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T06:55:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc0c62e85b460c4b6ced55dadb864dd055eb7b3ee3cf9baa0036d3c9fd89b1a37
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956772
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX762142862
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0c62e85b460c4b6ced55dadb864dd055eb7b3ee3cf9baa0036d3c9fd89b1a37. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX762142862.
      date published: 2026-07-05T10:01:46Z
    audio: CIERPLIWOŚCI
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 139.025
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Brudne Motyle
album: AEIOUY
album: Promocje
album: Nie klepie
album: Pobudki
album: Harpagan
album: Grymasy
album: Schodząc na Ziemię
album: Palec
album: ERA DISCO
album: Prysznic
album: nie rozumie NIC
album: NIC nie rozumie MNIE
album: znowu ZNOWU
album: real
album: Marzenia Ściętej Głowy
album: Skleroza
album: Jogurt i Banan
album: tylko ŁEB (feat. Piotr Prońko)
album: LWK
album: MIŁOŚĆ Zawady
album: MARZENIA ŚCIĘTEJ GŁOWY
album: Miłe RZECZY (feat. Emilia Kiraga)
album: Co Ty Tutaj Robisz (Cover)
album: MARZENIA ŚCIĘTEJ GŁOWY (deluxe)
album: buzia (chyba że płaczesz)
track: Ruski Rok
track: COCOFEDRON
track: MAŁY ŚWIAT
track: Masz farta
track: Och, jak to brzmiało
track: Strzyga

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

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.576

Energy
type: PropertyValue
value: 0.604

Speechiness
type: PropertyValue
value: 0.051

Acousticness
type: PropertyValue
value: 0.003

Instrumentalness
type: PropertyValue
value: 0.594

Liveness
type: PropertyValue
value: 0.589

Valence (Positivity)
type: PropertyValue
value: 0.443

Loudness (dB)
type: PropertyValue
value: -10.8

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Major

Brudne Motyle
type: MusicAlbum
date published: 2021-10-15

Brudne Motyle
type: MusicAlbum
date published: 2021-10-15

AEIOUY
type: MusicAlbum
date published: 2022-01-07

AEIOUY
type: MusicAlbum
date published: 2022-01-07

Promocje
type: MusicAlbum
date published: 2022-01-21

Nie klepie
type: MusicAlbum
date published: 2022-02-04

Pobudki
type: MusicAlbum
date published: 2022-02-14

Harpagan
type: MusicAlbum
date published: 2022-02-18
track: Harpagan
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204774
  explicit: false
  by artist: kieras
  in album: Harpagan
    type: MusicAlbum
    date published: 2022-02-18
  isrc code: FR2X42205927
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T13:10:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe03e76e49010e02dc92042e74332a30be8fb1f6b88990373091b6336dfdb80a7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958303
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958303
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X42205927
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T16:39:24Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe03e76e49010e02dc92042e74332a30be8fb1f6b88990373091b6336dfdb80a7. Chain 2 (Bitcoin): anchored in block 958303 (2026-07-16T16:39:24Z), 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/FR2X42205927.
    date published: 2026-07-16T16:39:24Z
  audio: Harpagan
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 77.506
    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: 0.629
    additional property: Energy
      type: PropertyValue
      value: 0.757
    additional property: Speechiness
      type: PropertyValue
      value: 0.146
    additional property: Acousticness
      type: PropertyValue
      value: 0.029
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.085
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.64
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.769
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Harpagan
type: MusicAlbum
date published: 2022-02-18

Grymasy
type: MusicAlbum
date published: 2022-02-25

Grymasy
type: MusicAlbum
date published: 2022-02-25

Schodząc na Ziemię
type: MusicAlbum
date published: 2022-06-17

Palec
type: MusicAlbum
date published: 2022-08-19

ERA DISCO
type: MusicAlbum
date published: 2022-11-24

Prysznic
type: MusicAlbum
date published: 2023-05-05

ERA DISCO
type: MusicAlbum
date published: 2023-12-30

nie rozumie NIC
type: MusicAlbum
date published: 2024-02-01

NIC nie rozumie MNIE
type: MusicAlbum
date published: 2024-05-23

znowu ZNOWU
type: MusicAlbum
date published: 2024-06-13

real
type: MusicAlbum
date published: 2024-06-26

Marzenia Ściętej Głowy
type: MusicAlbum
date published: 2024-08-08

Skleroza
type: MusicAlbum
date published: 2024-08-29

Jogurt i Banan
type: MusicAlbum
date published: 2024-09-19

tylko ŁEB (feat. Piotr Prońko)
type: MusicAlbum
date published: 2024-10-03

LWK
type: MusicAlbum
date published: 2024-10-17

MIŁOŚĆ Zawady
type: MusicAlbum
date published: 2024-10-31

MARZENIA ŚCIĘTEJ GŁOWY
type: MusicAlbum
date published: 2024-11-15
track: znowu ZNOWU
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223011
  explicit: false
  by artist: kieras
  in album: MARZENIA ŚCIĘTEJ GŁOWY
    type: MusicAlbum
    date published: 2024-11-15
  isrc code: PLA552400465
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T21:32:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdedb849243a6984e7b32d0799646ee6f537e5cfd42b5f83384c6482dacefe54c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958788
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958788
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA552400465
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T22:07:06Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdedb849243a6984e7b32d0799646ee6f537e5cfd42b5f83384c6482dacefe54c. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/PLA552400465.
    date published: 2026-07-19T22:07:06Z
  audio: znowu ZNOWU
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 143.876
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.618
    additional property: Energy
      type: PropertyValue
      value: 0.687
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.008
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.64
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.378
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

MARZENIA ŚCIĘTEJ GŁOWY
type: MusicAlbum
date published: 2024-11-15

Miłe RZECZY (feat. Emilia Kiraga)
type: MusicAlbum
date published: 2024-12-12

Co Ty Tutaj Robisz (Cover)
type: MusicAlbum
date published: 2025-04-11

MARZENIA ŚCIĘTEJ GŁOWY (deluxe)
type: MusicAlbum
date published: 2025-04-30
track: NIC nie rozumie MNIE
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219010
  explicit: false
  by artist: kieras
  in album: MARZENIA ŚCIĘTEJ GŁOWY (deluxe)
    type: MusicAlbum
    date published: 2025-04-30
  isrc code: PLA552400418
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T23:12:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x28767857cedb63165bbffe50fa8d1b6830ea488943dfb8df7f5ae98b845c5476
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956857
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956857
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA552400418
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:26:17Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28767857cedb63165bbffe50fa8d1b6830ea488943dfb8df7f5ae98b845c5476. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/PLA552400418.
    date published: 2026-07-06T01:26:17Z
  audio: NIC nie rozumie MNIE
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.006
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.543
    additional property: Energy
      type: PropertyValue
      value: 0.639
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.247
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.274
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.401
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.963
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: CIERPLIWOŚCI
  type: MusicRecording
  duration: PT2M20S
  duration ms: 140719
  explicit: false
  by artist: kieras
  in album: MARZENIA ŚCIĘTEJ GŁOWY (deluxe)
    type: MusicAlbum
    date published: 2025-04-30
  isrc code: FRX762142862
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T06:55:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc0c62e85b460c4b6ced55dadb864dd055eb7b3ee3cf9baa0036d3c9fd89b1a37
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX762142862
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:16:32Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0c62e85b460c4b6ced55dadb864dd055eb7b3ee3cf9baa0036d3c9fd89b1a37. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/FRX762142862.
    date published: 2026-07-06T07:16:32Z
  audio: CIERPLIWOŚCI
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.008
    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: 0.574
    additional property: Energy
      type: PropertyValue
      value: 0.608
    additional property: Speechiness
      type: PropertyValue
      value: 0.055
    additional property: Acousticness
      type: PropertyValue
      value: 0.003
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.533
    additional property: Liveness
      type: PropertyValue
      value: 0.589
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.46
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.065
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Nałogowe wschody słońca Jana Okupacji
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204347
  explicit: false
  by artist: kieras
  in album: MARZENIA ŚCIĘTEJ GŁOWY (deluxe)
    type: MusicAlbum
    date published: 2025-04-30
  isrc code: FRX282164207
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb0beb43f95b477c3f618fc67f672893f878671ee431a00596dc4df0c3d477e7f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958468
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958468
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX282164207
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T00:27:51Z
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Nałogowe wschody słońca Jana Okupacji
track: Skleroza

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0beb43f95b477c3f618fc67f672893f878671ee431a00596dc4df0c3d477e7f. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), 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/FRX282164207.
date published: 2026-07-18T00:27:51Z

Nałogowe wschody słońca Jana Okupacji
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 137.977
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: 0.545
additional property: Energy
  type: PropertyValue
  value: 0.694
additional property: Speechiness
  type: PropertyValue
  value: 0.04
additional property: Acousticness
  type: PropertyValue
  value: 0.205
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.078
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.579
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.898
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Skleroza
type: MusicRecording
duration: PT4M17S
duration ms: 257989
explicit: false
by artist: kieras
in album: MARZENIA ŚCIĘTEJ GŁOWY (deluxe)
  type: MusicAlbum
  date published: 2025-04-30
isrc code: PLA552400577
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T15:47:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe44ba6073953930f08e69b30df5274828d53fc3767765e0d9969ae42264b8e90
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958756
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958756
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA552400577
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T18:50:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe44ba6073953930f08e69b30df5274828d53fc3767765e0d9969ae42264b8e90. Chain 2 (Bitcoin): anchored in block 958756 (2026-07-19T18:50:27Z), 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/PLA552400577.
  date published: 2026-07-19T18:50:27Z
audio: Skleroza
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.979
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.501
  additional property: Energy
    type: PropertyValue
    value: 0.555
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.315
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.277
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.489
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.121
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

buzia (chyba że płaczesz)
type: MusicAlbum
date published: 2025-11-04

Ruski Rok
type: MusicRecording
duration: PT4M33S
duration ms: 273146
explicit: false
by artist: Miły ATZ
by artist: Kuba Knap
by artist: kieras
in album: Czarny Swing
  type: MusicAlbum
  date published: 2020-05-28
genre: polish-alternative-rap
genre: polish-hip-hop
isrc code: PLUM72000246
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T19:39:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9e6548954f82c49722f24d1f4130a374668ffdb385d488637737bcf98e6d8844
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLUM72000246
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e6548954f82c49722f24d1f4130a374668ffdb385d488637737bcf98e6d8844. 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/PLUM72000246.
  date published: 2026-07-02T03:30:09Z
audio: Ruski Rok
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.815
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.738
  additional property: Energy
    type: PropertyValue
    value: 0.814
  additional property: Speechiness
    type: PropertyValue
    value: 0.436
  additional property: Acousticness
    type: PropertyValue
    value: 0.129
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.572
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.411
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

COCOFEDRON
type: MusicRecording
duration: PT4M38S
duration ms: 278683
explicit: false
by artist: UNDADASEA
by artist: Kuba Knap
by artist: Leh
by artist: kieras
in album: DA GROOVEMENT
  type: MusicAlbum
  date published: 2020-09-07
genre: hip-house
isrc code: PLUM72000441
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T05:52:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e8903387fec2b7876a1cb77dc55936ebf9c1da5c222ed5a4489fb06be37418c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLUM72000441
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e8903387fec2b7876a1cb77dc55936ebf9c1da5c222ed5a4489fb06be37418c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/PLUM72000441.
  date published: 2026-06-13T17:25:41Z
audio: COCOFEDRON
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.145
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.785
  additional property: Energy
    type: PropertyValue
    value: 0.776
  additional property: Speechiness
    type: PropertyValue
    value: 0.11
  additional property: Acousticness
    type: PropertyValue
    value: 0.107
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.667
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.729
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.408
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

MAŁY ŚWIAT
type: MusicRecording
duration: PT5M33S
duration ms: 333276
explicit: false
by artist: Kuba Knap
by artist: Ryfa Ri
by artist: Vajjka
by artist: Vera Icon
by artist: kieras
in album: TipiKnapa
  type: MusicAlbum
  date published: 2023-04-21
isrc code: FR59R2324623
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T10:59:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7f2021d668232791ee0818fa7b46600cde4cb26f88fb10cfae663145d8781b57
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R2324623
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f2021d668232791ee0818fa7b46600cde4cb26f88fb10cfae663145d8781b57. 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/FR59R2324623.
  date published: 2026-07-02T03:30:09Z
audio: MAŁY ŚWIAT
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.97
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.691
  additional property: Energy
    type: PropertyValue
    value: 0.728
  additional property: Speechiness
    type: PropertyValue
    value: 0.253
  additional property: Acousticness
    type: PropertyValue
    value: 0.22
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.677
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.917
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Masz farta
type: MusicRecording
duration: PT2M16S
duration ms: 136000
explicit: false
by artist: Kuba Knap
by artist: Bonny Larmes
by artist: DJ Lem
by artist: kieras
in album: Namazane
  type: MusicAlbum
  date published: 2021-03-26
isrc code: FR59R2102713
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:11:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0bc4e4455229f2fafb23744b304cb07a1d09fff9bf6d9e3635fd244f4efb07b5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R2102713
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bc4e4455229f2fafb23744b304cb07a1d09fff9bf6d9e3635fd244f4efb07b5. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/FR59R2102713.
  date published: 2026-07-07T18:39:05Z
audio: Masz farta
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.023
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.687
  additional property: Energy
    type: PropertyValue
    value: 0.51
  additional property: Speechiness
    type: PropertyValue
    value: 0.416
  additional property: Acousticness
    type: PropertyValue
    value: 0.792
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.621
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.3
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Och, jak to brzmiało
type: MusicRecording
duration: PT3M47S
duration ms: 227193
explicit: false
by artist: Kuba Knap
by artist: Bonny Larmes
by artist: DJ Lem
by artist: kieras
in album: Namazane
  type: MusicAlbum
  date published: 2021-03-26
isrc code: FR59R2102714
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:06:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb4865dec02844adaa342b17cad78d220d98c545a1a0db2b8f622d42ebced56c0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4865dec02844adaa342b17cad78d220d98c545a1a0db2b8f622d42ebced56c0. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/FR59R2102714.
  date published: 2026-07-08T03:20:19Z
audio: Och, jak to brzmiało
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  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
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  additional property: Danceability
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    value: 0.804
  additional property: Energy
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    value: 0.509
  additional property: Speechiness
    type: PropertyValue
    value: 0.304
  additional property: Acousticness
    type: PropertyValue
    value: 0.443
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.709
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.308
  additional property: Key Name
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    value: F
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    type: PropertyValue
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Strzyga
type: MusicRecording
duration: PT2M36S
duration ms: 156438
explicit: false
by artist: Kuba Knap
by artist: Bonny Larmes
by artist: DJ Lem
by artist: kieras
in album: Namazane
  type: MusicAlbum
  date published: 2021-03-26
isrc code: FR59R2102716
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additional property: CopyrightStatus
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR59R2102716
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1500d89e4215f96383bc3ec9bbbe3b2d7d06eef906c58cdeb2df407f56fada4. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/FR59R2102716.
  date published: 2026-07-08T03:39:04Z
audio: Strzyga
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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