Kartky
type: MusicGroup
popularity: 53
followers: 302278
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad2f23725978d65a7215a9ffe3d17b8eed5abf93c6d9b6ae55f4acfe571fb46c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/61078f3a-a173-4e23-a758-0d737faa06ba.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/61078f3a-a173-4e23-a758-0d737faa06ba.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/61078f3a-a173-4e23-a758-0d737faa06ba
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 → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad2f23725978d65a7215a9ffe3d17b8eed5abf93c6d9b6ae55f4acfe571fb46c. 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/61078f3a-a173-4e23-a758-0d737faa06ba.json and https://artists.proofprofile.net/proofs/artist/61078f3a-a173-4e23-a758-0d737faa06ba.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
  track: 0
    type: MusicRecording
    duration: PT2M50S
    duration ms: 170933
    explicit: false
    by artist: Kartky
    in album: Shadowplay
      type: MusicAlbum
      date published: 2015-09-14
    isrc code: PLI366287850
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-10T08:08:28+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd9647e074aec50b026e492604504d8f6e88dff5a587c790910f2dfaceda76a62
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953520
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953520
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/0vyZTironviOKxY01abHK2.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0vyZTironviOKxY01abHK2
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T13:32:09Z
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd9647e074aec50b026e492604504d8f6e88dff5a587c790910f2dfaceda76a62. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0vyZTironviOKxY01abHK2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0vyZTironviOKxY01abHK2.
      date published: 2026-06-13T13:32:09Z
  track: Azazel
    type: MusicRecording
    duration: PT4M15S
    duration ms: 255240
    explicit: false
    by artist: Kartky
    in album: Shadowplay
      type: MusicAlbum
      date published: 2015-09-14
    isrc code: PLI366287840
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-11T19:09:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb8ccf876e74301c273278fedf979518159b9e4821dc4cdd621ba292936d65f00
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953520
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953520
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/5sb5VXCQfEyk3V0YrpRyyF.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5sb5VXCQfEyk3V0YrpRyyF
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T13:32:09Z
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xb8ccf876e74301c273278fedf979518159b9e4821dc4cdd621ba292936d65f00. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5sb5VXCQfEyk3V0YrpRyyF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5sb5VXCQfEyk3V0YrpRyyF.
      date published: 2026-06-13T13:32:09Z
  track: Pagan
    type: MusicRecording
    duration: PT3M47S
    duration ms: 227386
    explicit: false
    by artist: Kartky
    in album: Shadowplay
      type: MusicAlbum
      date published: 2015-09-14
    isrc code: PLI366287860
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-17T05:55:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2ef3b5de9a6579f3a375d1f7ff3c3393c704ec8c1aea967eb4b33e3ede49a55d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 954130
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/954130
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/4yRcbg5h21qu1EOTrfvcIc.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4yRcbg5h21qu1EOTrfvcIc
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-17T20:38:47Z
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2ef3b5de9a6579f3a375d1f7ff3c3393c704ec8c1aea967eb4b33e3ede49a55d. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T20:38:47Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4yRcbg5h21qu1EOTrfvcIc.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4yRcbg5h21qu1EOTrfvcIc.
      date published: 2026-06-17T20:38:47Z
  track: Złodzieje snów II
    type: MusicRecording
    duration: PT2M37S
    duration ms: 157640
    explicit: false
    by artist: Kartky
    in album: Shadowplay
      type: MusicAlbum
      date published: 2015-09-14
    isrc code: PLI366287870
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-23T17:34:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x90a512cc39fa27def3bd79d730520942f040bc2dccf6f71e25e1ebca6258df98
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956312
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956312
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/079jbevJYnJmax04Azu3xB.json
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: Nie znasz mnie
  track: Gusła
  track: Sheeple
  track: Radość chwil
  track: Cloudy Day
  track: Fallin
  track: Jestem
  track: Emily
  track: Damnation
  track: My
  track: Nie biorę tabletek
  track: Kartki
  track: Temperatura łez
  track: To tylko ja
  track: Lux perpetua
  track: Sunny Haze
  track: Mountains
  track: Moonlapse Vertigo
  track: Złodzieje dusz
album: Fuego infinito
album: Labirynt
album: C2C
album: Nowe kino
album: Tak blisko
album: Blackout
album: Rewind
album: niemanieba
album: Horcrux Seeker
album: New Toronto
album: Silent Hill
album: Outside
album: FML
album: Karuzela
album: Nagano 98
album: Black Magiic
album: Dziewczyna Szamana
album: Dziewczyna szamana
album: Ballada disidenta
album: Amnesia Haze
album: Nasira
album: się skończył
album: yennefer
album: koszmar minionego lata
album: westworld
album: dom na skraju niczego
album: nie umiem spać w nocy, bo patrzę na księżyc
album: detroit
album: azrael
album: łza dla cieniów minionych
album: igni
album: bruxa
album: miasto duchów (prod. Emes Milligan)
album: ciri (prod. INDEB)
album: czarna noc
album: zakazane piosenki ep
album: bruxa (prod. favst)
album: dzieci gorszego boga (prod. sergiusz)
album: bylo jak bylo
album: dzieci gorszego boga
album: ciri
album: quen
album: czarna noc (prod. INDEB)
album: bylo jak bylo (prod. gibbs)
album: quen (prod. gibbs)
album: Skellige
album: Obliviate
album: Plastikowe kwiaty
album: Nowy, wspaniały świat
album: harlequin vertigo
album: ź l i
album: mała wojna
album: ostatni track
album: Koszmar minionego lata (Live Act)
album: CTRL z
album: CTRL Z (minnesota)
album: Chłopcy z placu broni
album: Hialuron
album: Mrok
album: Budzę się spać
album: Outside of Society
album: Outside Of Society
album: Bajki robotów
album: Ballady i Romanse EP

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/079jbevJYnJmax04Azu3xB

OTSTimestamp
type: PropertyValue
value: 2026-07-02T05:09:12Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x90a512cc39fa27def3bd79d730520942f040bc2dccf6f71e25e1ebca6258df98","isrc":"PLI366287870","name":"Złodzieje snów II","registered_at":"2026-06-23T17:34:58Z","spotify_id":"079jbevJYnJmax04Azu3xB","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90a512cc39fa27def3bd79d730520942f040bc2dccf6f71e25e1ebca6258df98. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/079jbevJYnJmax04Azu3xB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/079jbevJYnJmax04Azu3xB.
date published: 2026-07-02T05:09:12Z
text: {"copyright_id":"0x90a512cc39fa27def3bd79d730520942f040bc2dccf6f71e25e1ebca6258df98","isrc":"PLI366287870","name":"Złodzieje snów II","registered_at":"2026-06-23T17:34:58Z","spotify_id":"079jbevJYnJmax04Azu3xB","type":"track"}

Nie znasz mnie
type: MusicRecording
duration: PT2M30S
duration ms: 150626
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366287880
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T13:20:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf973057fdf085bd2ee29e020f55e1a0520c0c37c0cc07c5b9274ffae39eeb33a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0O4gmjg5a6lBf0ZqUjjJZ0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0O4gmjg5a6lBf0ZqUjjJZ0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf973057fdf085bd2ee29e020f55e1a0520c0c37c0cc07c5b9274ffae39eeb33a","isrc":"PLI366287880","name":"Nie znasz mnie","registered_at":"2026-06-20T13:20:01Z","spotify_id":"0O4gmjg5a6lBf0ZqUjjJZ0","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf973057fdf085bd2ee29e020f55e1a0520c0c37c0cc07c5b9274ffae39eeb33a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0O4gmjg5a6lBf0ZqUjjJZ0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0O4gmjg5a6lBf0ZqUjjJZ0.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xf973057fdf085bd2ee29e020f55e1a0520c0c37c0cc07c5b9274ffae39eeb33a","isrc":"PLI366287880","name":"Nie znasz mnie","registered_at":"2026-06-20T13:20:01Z","spotify_id":"0O4gmjg5a6lBf0ZqUjjJZ0","type":"track"}

Gusła
type: MusicRecording
duration: PT2M50S
duration ms: 170893
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366287890
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T11:58:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9792b226e773ed5b1d999dfd5afac572c4b027d9d0909339c788fab37b684198
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3WLXKjGCUiGjC16vnKwfSK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3WLXKjGCUiGjC16vnKwfSK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9792b226e773ed5b1d999dfd5afac572c4b027d9d0909339c788fab37b684198","isrc":"PLI366287890","name":"Gusła","registered_at":"2026-06-21T11:58:11Z","spotify_id":"3WLXKjGCUiGjC16vnKwfSK","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9792b226e773ed5b1d999dfd5afac572c4b027d9d0909339c788fab37b684198. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3WLXKjGCUiGjC16vnKwfSK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3WLXKjGCUiGjC16vnKwfSK.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x9792b226e773ed5b1d999dfd5afac572c4b027d9d0909339c788fab37b684198","isrc":"PLI366287890","name":"Gusła","registered_at":"2026-06-21T11:58:11Z","spotify_id":"3WLXKjGCUiGjC16vnKwfSK","type":"track"}

Sheeple
type: MusicRecording
duration: PT3M22S
duration ms: 202306
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366288020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T18:57:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x80f76bd2fdfb2a31d37424796c04cf9e4dadc790f8490e018a7757eb0d021ff1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4tOzLEdBwsMXKjO548TZuG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tOzLEdBwsMXKjO548TZuG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x80f76bd2fdfb2a31d37424796c04cf9e4dadc790f8490e018a7757eb0d021ff1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4tOzLEdBwsMXKjO548TZuG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4tOzLEdBwsMXKjO548TZuG.
  date published: 2026-07-02T03:55:08Z

Radość chwil
type: MusicRecording
duration: PT3M8S
duration ms: 188066
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366287900
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T10:48:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfecfca78613c3673a16098c3558a6635e2cb320de97f6b82dad29b1c6921256a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0rRJF4u2dMY54CcVQdfzEX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0rRJF4u2dMY54CcVQdfzEX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfecfca78613c3673a16098c3558a6635e2cb320de97f6b82dad29b1c6921256a","isrc":"PLI366287900","name":"Radość chwil","registered_at":"2026-06-22T10:48:29Z","spotify_id":"0rRJF4u2dMY54CcVQdfzEX","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xfecfca78613c3673a16098c3558a6635e2cb320de97f6b82dad29b1c6921256a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0rRJF4u2dMY54CcVQdfzEX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0rRJF4u2dMY54CcVQdfzEX.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xfecfca78613c3673a16098c3558a6635e2cb320de97f6b82dad29b1c6921256a","isrc":"PLI366287900","name":"Radość chwil","registered_at":"2026-06-22T10:48:29Z","spotify_id":"0rRJF4u2dMY54CcVQdfzEX","type":"track"}

Cloudy Day
type: MusicRecording
duration: PT3M56S
duration ms: 236600
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366287910
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T22:23:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1b4b419f113a71b300ad3297cc16662771963d8fa222179cbe122db5f96c9d12
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5MYKdMNuQ3CCDQgKKPcz7i.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5MYKdMNuQ3CCDQgKKPcz7i
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1b4b419f113a71b300ad3297cc16662771963d8fa222179cbe122db5f96c9d12","isrc":"PLI366287910","name":"Cloudy Day","registered_at":"2026-06-18T22:23:06Z","spotify_id":"5MYKdMNuQ3CCDQgKKPcz7i","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1b4b419f113a71b300ad3297cc16662771963d8fa222179cbe122db5f96c9d12. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5MYKdMNuQ3CCDQgKKPcz7i.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5MYKdMNuQ3CCDQgKKPcz7i.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x1b4b419f113a71b300ad3297cc16662771963d8fa222179cbe122db5f96c9d12","isrc":"PLI366287910","name":"Cloudy Day","registered_at":"2026-06-18T22:23:06Z","spotify_id":"5MYKdMNuQ3CCDQgKKPcz7i","type":"track"}

Fallin
type: MusicRecording
duration: PT5M24S
duration ms: 324186
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366287920
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T10:39:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6900965f1aca707653e8e98c3e549876131f7329ecffa937fb66eff0a0bd5d63
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2dRTn29OVpZdYElDeoUFi6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dRTn29OVpZdYElDeoUFi6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6900965f1aca707653e8e98c3e549876131f7329ecffa937fb66eff0a0bd5d63. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2dRTn29OVpZdYElDeoUFi6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dRTn29OVpZdYElDeoUFi6.
  date published: 2026-07-02T03:55:08Z

Jestem
type: MusicRecording
duration: PT3M27S
duration ms: 207146
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366288030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T13:15:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1cc84b92086f802bb517d0bb50aa9480a1086aea592a13f5cb4ea2cca67997a2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6vJgOnkn0hYkX1vQS14LXJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vJgOnkn0hYkX1vQS14LXJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1cc84b92086f802bb517d0bb50aa9480a1086aea592a13f5cb4ea2cca67997a2. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6vJgOnkn0hYkX1vQS14LXJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vJgOnkn0hYkX1vQS14LXJ.
  date published: 2026-07-02T03:55:08Z

Emily
type: MusicRecording
duration: PT3M41S
duration ms: 221893
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366287930
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T03:54:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6c60e4207ad299a5781afc9a9aa4ca4361fbf4bf65f5db2faa9ac8561dafaae3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1rFzKiTHuhIxHufEg7orTW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1rFzKiTHuhIxHufEg7orTW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6c60e4207ad299a5781afc9a9aa4ca4361fbf4bf65f5db2faa9ac8561dafaae3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1rFzKiTHuhIxHufEg7orTW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1rFzKiTHuhIxHufEg7orTW.
  date published: 2026-06-13T17:25:41Z

Damnation
type: MusicRecording
duration: PT3M54S
duration ms: 234146
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366288040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T10:36:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x463b78ed4982b6fa75e0632c6a3c528eeff9ea4dbee500d1bb0a36a44b313211
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5gePjo5c84rmS7u8YTPkP9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5gePjo5c84rmS7u8YTPkP9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x463b78ed4982b6fa75e0632c6a3c528eeff9ea4dbee500d1bb0a36a44b313211. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5gePjo5c84rmS7u8YTPkP9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5gePjo5c84rmS7u8YTPkP9.
  date published: 2026-07-02T03:55:08Z

My
type: MusicRecording
duration: PT4M45S
duration ms: 285813
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366288050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T21:16:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4713b70e8c5936aa6e521aabddeec5eca7d27038fbcc3884f541923451ba81aa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6r7RStisIb9L2efXUdRyoW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6r7RStisIb9L2efXUdRyoW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4713b70e8c5936aa6e521aabddeec5eca7d27038fbcc3884f541923451ba81aa. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6r7RStisIb9L2efXUdRyoW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6r7RStisIb9L2efXUdRyoW.
  date published: 2026-06-13T17:25:41Z

Nie biorę tabletek
type: MusicRecording
duration: PT2M53S
duration ms: 173573
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366287940
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T06:53:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ce65acba3754eed7cc4031bb8a1becd5f16a51727c6e7749d594357f68bf28f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5c7rqCm030nR5PBCZPr9cz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5c7rqCm030nR5PBCZPr9cz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8ce65acba3754eed7cc4031bb8a1becd5f16a51727c6e7749d594357f68bf28f","isrc":"PLI366287940","name":"Nie biorę tabletek","registered_at":"2026-06-18T06:53:22Z","spotify_id":"5c7rqCm030nR5PBCZPr9cz","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x8ce65acba3754eed7cc4031bb8a1becd5f16a51727c6e7749d594357f68bf28f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5c7rqCm030nR5PBCZPr9cz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5c7rqCm030nR5PBCZPr9cz.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x8ce65acba3754eed7cc4031bb8a1becd5f16a51727c6e7749d594357f68bf28f","isrc":"PLI366287940","name":"Nie biorę tabletek","registered_at":"2026-06-18T06:53:22Z","spotify_id":"5c7rqCm030nR5PBCZPr9cz","type":"track"}

Kartki
type: MusicRecording
duration: PT2M42S
duration ms: 162133
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366287950
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T19:19:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x13b23bfa8a933e81ccc5dc632f24128542719ae2b8005e64448f38303aa22b2e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6vRH8x4zw7VWyHRBWVQeii.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vRH8x4zw7VWyHRBWVQeii
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x13b23bfa8a933e81ccc5dc632f24128542719ae2b8005e64448f38303aa22b2e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6vRH8x4zw7VWyHRBWVQeii.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6vRH8x4zw7VWyHRBWVQeii.
  date published: 2026-06-13T17:25:41Z

Temperatura łez
type: MusicRecording
duration: PT3M30S
duration ms: 210706
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366287960
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T11:59:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x90056b5c24b63f6fb9614ce3cff03a75ccd712f1a79dc0e98971660670fba011
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1cmyeZQ1lFIDcUR35VBaVs.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1cmyeZQ1lFIDcUR35VBaVs
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x90056b5c24b63f6fb9614ce3cff03a75ccd712f1a79dc0e98971660670fba011","isrc":"PLI366287960","name":"Temperatura łez","registered_at":"2026-06-21T11:59:14Z","spotify_id":"1cmyeZQ1lFIDcUR35VBaVs","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x90056b5c24b63f6fb9614ce3cff03a75ccd712f1a79dc0e98971660670fba011. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1cmyeZQ1lFIDcUR35VBaVs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1cmyeZQ1lFIDcUR35VBaVs.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x90056b5c24b63f6fb9614ce3cff03a75ccd712f1a79dc0e98971660670fba011","isrc":"PLI366287960","name":"Temperatura łez","registered_at":"2026-06-21T11:59:14Z","spotify_id":"1cmyeZQ1lFIDcUR35VBaVs","type":"track"}

To tylko ja
type: MusicRecording
duration: PT3M46S
duration ms: 226306
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366287970
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T21:26:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd304152b52c59e349122b17bdbe56b1083a91f710f998dd7d7727daea5f2a164
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/54VoMNNIB5xBXHLXNSK47T.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/54VoMNNIB5xBXHLXNSK47T
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd304152b52c59e349122b17bdbe56b1083a91f710f998dd7d7727daea5f2a164","isrc":"PLI366287970","name":"To tylko ja","registered_at":"2026-06-09T21:26:17Z","spotify_id":"54VoMNNIB5xBXHLXNSK47T","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd304152b52c59e349122b17bdbe56b1083a91f710f998dd7d7727daea5f2a164. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/54VoMNNIB5xBXHLXNSK47T.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/54VoMNNIB5xBXHLXNSK47T.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xd304152b52c59e349122b17bdbe56b1083a91f710f998dd7d7727daea5f2a164","isrc":"PLI366287970","name":"To tylko ja","registered_at":"2026-06-09T21:26:17Z","spotify_id":"54VoMNNIB5xBXHLXNSK47T","type":"track"}

Lux perpetua
type: MusicRecording
duration: PT3M1S
duration ms: 181173
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366287980
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T07:18:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd67d3c825c0c6d2c937c6a2deec9165a8d127dacef7dceb23766107eaa050148
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7JxtQZjgyu62Q1UryZsWYs.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7JxtQZjgyu62Q1UryZsWYs
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd67d3c825c0c6d2c937c6a2deec9165a8d127dacef7dceb23766107eaa050148","isrc":"PLI366287980","name":"Lux perpetua","registered_at":"2026-06-24T07:18:05Z","spotify_id":"7JxtQZjgyu62Q1UryZsWYs","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd67d3c825c0c6d2c937c6a2deec9165a8d127dacef7dceb23766107eaa050148. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7JxtQZjgyu62Q1UryZsWYs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7JxtQZjgyu62Q1UryZsWYs.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xd67d3c825c0c6d2c937c6a2deec9165a8d127dacef7dceb23766107eaa050148","isrc":"PLI366287980","name":"Lux perpetua","registered_at":"2026-06-24T07:18:05Z","spotify_id":"7JxtQZjgyu62Q1UryZsWYs","type":"track"}

Sunny Haze
type: MusicRecording
duration: PT2M28S
duration ms: 148546
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366287990
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T10:34:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6f611d70a6e2b2ca974f6db137c480c9916a5a71d6cb51bb5ff9373ec9b596a2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/20PNKMgF905V44IJ8MXdU0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/20PNKMgF905V44IJ8MXdU0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6f611d70a6e2b2ca974f6db137c480c9916a5a71d6cb51bb5ff9373ec9b596a2","isrc":"PLI366287990","name":"Sunny Haze","registered_at":"2026-06-22T10:34:56Z","spotify_id":"20PNKMgF905V44IJ8MXdU0","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6f611d70a6e2b2ca974f6db137c480c9916a5a71d6cb51bb5ff9373ec9b596a2. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/20PNKMgF905V44IJ8MXdU0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/20PNKMgF905V44IJ8MXdU0.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x6f611d70a6e2b2ca974f6db137c480c9916a5a71d6cb51bb5ff9373ec9b596a2","isrc":"PLI366287990","name":"Sunny Haze","registered_at":"2026-06-22T10:34:56Z","spotify_id":"20PNKMgF905V44IJ8MXdU0","type":"track"}

Mountains
type: MusicRecording
duration: PT4M1S
duration ms: 241586
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366288000
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T13:20:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x512970734f255dc1767bcd6709f68f59242c15e74c16078cfe3d01469e84c151
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7j86ADCTVqssfWr4OtJVMG.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7j86ADCTVqssfWr4OtJVMG
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x512970734f255dc1767bcd6709f68f59242c15e74c16078cfe3d01469e84c151. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7j86ADCTVqssfWr4OtJVMG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7j86ADCTVqssfWr4OtJVMG.
  date published: 2026-07-02T03:55:08Z

Moonlapse Vertigo
type: MusicRecording
duration: PT4M29S
duration ms: 269013
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366288060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T08:27:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9debe521a8ca0a1782620f5c9f88ff0bf2b3462a4ff25a222ac43f343d49c68e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0wkQmNZPuR2KmAQMmsPwQq.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0wkQmNZPuR2KmAQMmsPwQq
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9debe521a8ca0a1782620f5c9f88ff0bf2b3462a4ff25a222ac43f343d49c68e","isrc":"PLI366288060","name":"Moonlapse Vertigo","registered_at":"2026-06-10T08:27:55Z","spotify_id":"0wkQmNZPuR2KmAQMmsPwQq","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9debe521a8ca0a1782620f5c9f88ff0bf2b3462a4ff25a222ac43f343d49c68e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0wkQmNZPuR2KmAQMmsPwQq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0wkQmNZPuR2KmAQMmsPwQq.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x9debe521a8ca0a1782620f5c9f88ff0bf2b3462a4ff25a222ac43f343d49c68e","isrc":"PLI366288060","name":"Moonlapse Vertigo","registered_at":"2026-06-10T08:27:55Z","spotify_id":"0wkQmNZPuR2KmAQMmsPwQq","type":"track"}

Złodzieje dusz
type: MusicRecording
duration: PT2M7S
duration ms: 127026
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14
isrc code: PLI366288010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T17:33:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x01bd6f9c31afd0c6fc7b9780671082b00bbf3096e4b66e2737e072cdecb045c4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5E2af9Ysy8L08K5dJNb9V8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5E2af9Ysy8L08K5dJNb9V8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x01bd6f9c31afd0c6fc7b9780671082b00bbf3096e4b66e2737e072cdecb045c4","isrc":"PLI366288010","name":"Złodzieje dusz","registered_at":"2026-06-23T17:33:16Z","spotify_id":"5E2af9Ysy8L08K5dJNb9V8","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x01bd6f9c31afd0c6fc7b9780671082b00bbf3096e4b66e2737e072cdecb045c4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5E2af9Ysy8L08K5dJNb9V8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5E2af9Ysy8L08K5dJNb9V8.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x01bd6f9c31afd0c6fc7b9780671082b00bbf3096e4b66e2737e072cdecb045c4","isrc":"PLI366288010","name":"Złodzieje dusz","registered_at":"2026-06-23T17:33:16Z","spotify_id":"5E2af9Ysy8L08K5dJNb9V8","type":"track"}

Shadowplay
type: MusicAlbum
date published: 2015-09-14
track: 0
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170933
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Azazel
  type: MusicRecording
  duration: PT4M15S
  duration ms: 255240
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Pagan
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227386
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Złodzieje snów II
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157640
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Nie znasz mnie
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150626
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Gusła
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170893
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Sheeple
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202306
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Radość chwil
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188066
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Cloudy Day
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236600
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Fallin
  type: MusicRecording
  duration: PT5M24S
  duration ms: 324186
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Jestem
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207146
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Emily
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221893
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Damnation
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234146
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: My
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285813
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Nie biorę tabletek
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173573
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Kartki
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162133
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Temperatura łez
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210706
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: To tylko ja
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226306
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Lux perpetua
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181173
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Sunny Haze
  type: MusicRecording
  duration: PT2M28S
  duration ms: 148546
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Mountains
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241586
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Moonlapse Vertigo
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269013
  explicit: false
  by artist: Kartky
  in album: Shadowplay
    type: MusicAlbum
    date published: 2015-09-14
track: Złodzieje dusz

Złodzieje dusz
type: MusicRecording
duration: PT2M7S
duration ms: 127026
explicit: false
by artist: Kartky
in album: Shadowplay
  type: MusicAlbum
  date published: 2015-09-14

Fuego infinito
type: MusicAlbum
date published: 2015-12-10
track: Tienes fuego?
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212156
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
track: Horyzonty
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172611
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
track: Imperial
  type: MusicRecording
  duration: PT4M0S
  duration ms: 240660
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
track: Serendipity
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280000
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
track: Nie poddaj się
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242774
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
track: Tango & Cash
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213575
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
track: Powiedz mi to
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263233
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
track: Fuego infinito
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197761
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
track: Smoke
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209142
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
track: #w_drodze (Cały czas)
  type: MusicRecording
  duration: PT5M42S
  duration ms: 342763
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
track: Ciii
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172235
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
track: Daleko od domu
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211200
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10

Fuego infinito
type: MusicAlbum
date published: 2015-12-10
track: Tienes fuego?
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212156
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
  isrc code: PLF241502136
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T22:29:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4b84f5e3d0bf04e1f82e3e4f9ed41cc5f8011efec27d0325a0276e1b5f17c768
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1bcAFuPDlLjg8F6a2KFK0G.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1bcAFuPDlLjg8F6a2KFK0G
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4b84f5e3d0bf04e1f82e3e4f9ed41cc5f8011efec27d0325a0276e1b5f17c768","isrc":"PLF241502136","name":"Tienes fuego?","registered_at":"2026-06-10T22:29:52Z","spotify_id":"1bcAFuPDlLjg8F6a2KFK0G","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4b84f5e3d0bf04e1f82e3e4f9ed41cc5f8011efec27d0325a0276e1b5f17c768. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1bcAFuPDlLjg8F6a2KFK0G.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1bcAFuPDlLjg8F6a2KFK0G.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x4b84f5e3d0bf04e1f82e3e4f9ed41cc5f8011efec27d0325a0276e1b5f17c768","isrc":"PLF241502136","name":"Tienes fuego?","registered_at":"2026-06-10T22:29:52Z","spotify_id":"1bcAFuPDlLjg8F6a2KFK0G","type":"track"}
track: Horyzonty
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172611
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
  isrc code: PLF241502137
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T02:16:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x800ec5f291fd4156c8b5f2852ccaf1305138ecb19db9b85a4f20f8683796c9e3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5Tsef2WXPixeZPBcI0SXkt.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Tsef2WXPixeZPBcI0SXkt
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x800ec5f291fd4156c8b5f2852ccaf1305138ecb19db9b85a4f20f8683796c9e3. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Tsef2WXPixeZPBcI0SXkt.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Tsef2WXPixeZPBcI0SXkt.
    date published: 2026-07-02T05:09:12Z
track: Imperial
  type: MusicRecording
  duration: PT4M0S
  duration ms: 240660
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
  isrc code: PLF241502138
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T18:28:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x68a9b7f024f3f56a03e8c340c1b1609e0003570586d90fc00834a0a2a7dcaf88
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6Qt8cZlkIcy0IsQmd0ZSYp.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Qt8cZlkIcy0IsQmd0ZSYp
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x68a9b7f024f3f56a03e8c340c1b1609e0003570586d90fc00834a0a2a7dcaf88. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Qt8cZlkIcy0IsQmd0ZSYp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6Qt8cZlkIcy0IsQmd0ZSYp.
    date published: 2026-07-02T03:55:08Z
track: Serendipity
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280000
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
  isrc code: PLF241502139
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T23:16:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3522b0ac782665f1f7af5fa541b0fed2c69d53f268bebf192cec8b72bf65d96c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/59rfRWztUV7Sq2JbwX9cR9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/59rfRWztUV7Sq2JbwX9cR9
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3522b0ac782665f1f7af5fa541b0fed2c69d53f268bebf192cec8b72bf65d96c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/59rfRWztUV7Sq2JbwX9cR9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/59rfRWztUV7Sq2JbwX9cR9.
    date published: 2026-07-02T03:55:08Z
track: Nie poddaj się
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242774
  explicit: false
  by artist: Kartky
  in album: Fuego infinito
    type: MusicAlbum
    date published: 2015-12-10
  isrc code: PLF241502140
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T02:14:50+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Tango & Cash
track: Powiedz mi to
track: Fuego infinito
track: Smoke
track: #w_drodze - Cały czas
track: Ciii
track: Daleko od domu

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xe845f4cb741831c382bb26236074a7b273864bc31dea836debdec5d069c2be3c

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956312

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956312

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/0wf4MZcW93ANQxOivVXVk4.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0wf4MZcW93ANQxOivVXVk4

OTSTimestamp
type: PropertyValue
value: 2026-07-02T05:09:12Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xe845f4cb741831c382bb26236074a7b273864bc31dea836debdec5d069c2be3c","isrc":"PLF241502140","name":"Nie poddaj się","registered_at":"2026-06-26T02:14:50Z","spotify_id":"0wf4MZcW93ANQxOivVXVk4","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe845f4cb741831c382bb26236074a7b273864bc31dea836debdec5d069c2be3c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0wf4MZcW93ANQxOivVXVk4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0wf4MZcW93ANQxOivVXVk4.
date published: 2026-07-02T05:09:12Z
text: {"copyright_id":"0xe845f4cb741831c382bb26236074a7b273864bc31dea836debdec5d069c2be3c","isrc":"PLF241502140","name":"Nie poddaj się","registered_at":"2026-06-26T02:14:50Z","spotify_id":"0wf4MZcW93ANQxOivVXVk4","type":"track"}

Tango & Cash
type: MusicRecording
duration: PT3M33S
duration ms: 213575
explicit: false
by artist: Kartky
in album: Fuego infinito
  type: MusicAlbum
  date published: 2015-12-10
isrc code: PLF241502141
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T18:28:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa8c26789174ce87bde22545432673f12fdf75f5815fc88d610e5bc99d1615aee
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2mitcL6lWPPBhxSvub661k.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2mitcL6lWPPBhxSvub661k
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa8c26789174ce87bde22545432673f12fdf75f5815fc88d610e5bc99d1615aee","isrc":"PLF241502141","name":"Tango & Cash","registered_at":"2026-06-27T18:28:39Z","spotify_id":"2mitcL6lWPPBhxSvub661k","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa8c26789174ce87bde22545432673f12fdf75f5815fc88d610e5bc99d1615aee. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2mitcL6lWPPBhxSvub661k.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2mitcL6lWPPBhxSvub661k.
  date published: 2026-07-02T03:55:08Z
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Powiedz mi to
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additional property: OTSRecordURL
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf4eb522b6a8dce4e309cce5783c7baca49a2a96465a63021b66e2caed0565feb. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0RSXNiI22SesgQb7v7hsgA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0RSXNiI22SesgQb7v7hsgA.
  date published: 2026-07-02T03:30:09Z
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Fuego infinito
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x16647c84b4c2c39fbd57099bcbc491421b2221867c1bdc9fff84fe7d9316bf22. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3RYRhHoM8tbVneGFyzh7IW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3RYRhHoM8tbVneGFyzh7IW.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x16647c84b4c2c39fbd57099bcbc491421b2221867c1bdc9fff84fe7d9316bf22","isrc":"PLF241502143","name":"Fuego infinito","registered_at":"2026-06-23T17:34:56Z","spotify_id":"3RYRhHoM8tbVneGFyzh7IW","type":"track"}

Smoke
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additional property: OTSVerificationAPI
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additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa77dd5e669c4e0db052804358052a9e573b2aa96e595f8108f262c94d31ecd91. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4gqkbXANPQ8ImhOalmGSd6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4gqkbXANPQ8ImhOalmGSd6.
  date published: 2026-06-13T17:25:41Z

#w_drodze - Cały czas
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isrc code: PLF241502145

Ciii
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xfd50a6d75277f62163952ed7d58ca82ba7e3663febd1d6fb352e1c084b4989a2. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ZlHeSRZCJefs9ROBsKx6z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5ZlHeSRZCJefs9ROBsKx6z.
  date published: 2026-07-02T03:55:08Z

Daleko od domu
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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Labirynt
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Labirynt
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C2C
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C2C
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Nowe kino
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Nowe kino
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Tak blisko
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Tak blisko
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Nowe kino
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track: Zamknij oczy
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track: Miasta ślepców
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track: Role Models
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track: Holy Water
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track: Nie wiń nas
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track: Tak blisko
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track: Awers
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Blackout
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Blackout
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Rewind
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Rewind
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niemanieba
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Horcrux Seeker
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Horcrux Seeker
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niemanieba
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New Toronto
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New Toronto
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Silent Hill
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Blackout
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Blackout
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Silent Hill
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Outside
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Outside
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FML
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FML
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Karuzela
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Karuzela
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Nagano 98
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Nagano 98
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Black Magiic
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Black Magiic
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Dziewczyna Szamana
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Dziewczyna szamana
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Ballada disidenta
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Ballada disidenta
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Amnesia Haze
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Amnesia Haze
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Nasira
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Nasira
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się skończył
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się skończył
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yennefer
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yennefer
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koszmar minionego lata
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koszmar minionego lata
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westworld
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westworld
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dom na skraju niczego
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dom na skraju niczego
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dom na skraju niczego
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dom na skraju niczego
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nie umiem spać w nocy, bo patrzę na księżyc
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nie umiem spać w nocy, bo patrzę na księżyc
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detroit
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detroit
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azrael
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azrael
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łza dla cieniów minionych
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łza dla cieniów minionych
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igni
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igni
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bruxa
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miasto duchów (prod. Emes Milligan)
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ciri (prod. INDEB)
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czarna noc
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zakazane piosenki ep
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zakazane piosenki ep
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bruxa (prod. favst)
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dzieci gorszego boga (prod. sergiusz)
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bylo jak bylo
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dzieci gorszego boga
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ciri
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quen
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czarna noc (prod. INDEB)
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bylo jak bylo (prod. gibbs)
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quen (prod. gibbs)
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Skellige
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Skellige
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Obliviate
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Obliviate
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Plastikowe kwiaty
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Plastikowe kwiaty
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Nowy, wspaniały świat
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Nowy, wspaniały świat
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harlequin vertigo
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ź l i
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ź l i
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harlequin vertigo
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mała wojna
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mała wojna
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ostatni track
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ostatni track
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Koszmar minionego lata (Live Act)
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  additional property: OTSRecordURL
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    value: https://artists.proofprofile.net/proofs/track/3KjMA94K63z04vL1RlC7H2.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KjMA94K63z04vL1RlC7H2
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf9b431da8ce33a3d321a123db52684bcf4ddb5313a0d2328f265c50cbbf5849c","isrc":"PLF242007132","name":"Koszmar minionego lata - Live Act","registered_at":"2026-06-10T22:29:31Z","spotify_id":"3KjMA94K63z04vL1RlC7H2","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf9b431da8ce33a3d321a123db52684bcf4ddb5313a0d2328f265c50cbbf5849c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3KjMA94K63z04vL1RlC7H2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KjMA94K63z04vL1RlC7H2.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0xf9b431da8ce33a3d321a123db52684bcf4ddb5313a0d2328f265c50cbbf5849c","isrc":"PLF242007132","name":"Koszmar minionego lata - Live Act","registered_at":"2026-06-10T22:29:31Z","spotify_id":"3KjMA94K63z04vL1RlC7H2","type":"track"}

Koszmar minionego lata (Live Act)
type: MusicAlbum
date published: 2020-07-03
track: Koszmar minionego lata - Live Act
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219789
  explicit: true
  by artist: Kartky
  in album: Koszmar minionego lata (Live Act)
    type: MusicAlbum
    date published: 2020-07-03

CTRL z
type: MusicAlbum
date published: 2020-07-05
track: CTRL z
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175058
  explicit: false
  by artist: Kartky
  in album: CTRL z
    type: MusicAlbum
    date published: 2020-07-05
  isrc code: PLV402000881
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T08:41:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5fdf41ae86ceeb4cef81cfd55ad55ad762488e11f4c491b6950b71a861c2e560
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956545
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956545
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2ab5cRPrHGDY7C5hiZUoSH.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ab5cRPrHGDY7C5hiZUoSH
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T19:59:51Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5fdf41ae86ceeb4cef81cfd55ad55ad762488e11f4c491b6950b71a861c2e560","isrc":"PLV402000881","name":"CTRL z","registered_at":"2026-06-07T08:41:04Z","spotify_id":"2ab5cRPrHGDY7C5hiZUoSH","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5fdf41ae86ceeb4cef81cfd55ad55ad762488e11f4c491b6950b71a861c2e560. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ab5cRPrHGDY7C5hiZUoSH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ab5cRPrHGDY7C5hiZUoSH.
    date published: 2026-07-03T19:59:51Z
    text: {"copyright_id":"0x5fdf41ae86ceeb4cef81cfd55ad55ad762488e11f4c491b6950b71a861c2e560","isrc":"PLV402000881","name":"CTRL z","registered_at":"2026-06-07T08:41:04Z","spotify_id":"2ab5cRPrHGDY7C5hiZUoSH","type":"track"}

CTRL Z (minnesota)
type: MusicAlbum
date published: 2020-07-05
track: CTRL Z (minnesota)
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175058
  explicit: true
  by artist: Kartky
  in album: CTRL Z (minnesota)
    type: MusicAlbum
    date published: 2020-07-05

Chłopcy z placu broni
type: MusicAlbum
date published: 2020-07-12
track: Chłopcy z placu broni
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192258
  explicit: true
  by artist: Kartky
  in album: Chłopcy z placu broni
    type: MusicAlbum
    date published: 2020-07-12

Chłopcy z placu broni
type: MusicAlbum
date published: 2020-07-12
track: Chłopcy z placu broni
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192258
  explicit: false
  by artist: Kartky
  in album: Chłopcy z placu broni
    type: MusicAlbum
    date published: 2020-07-12

Hialuron
type: MusicAlbum
date published: 2020-08-01
track: Hialuron
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183428
  explicit: false
  by artist: Kartky
  in album: Hialuron
    type: MusicAlbum
    date published: 2020-08-01

Hialuron
type: MusicAlbum
date published: 2020-08-01
track: Hialuron
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183428
  explicit: false
  by artist: Kartky
  in album: Hialuron
    type: MusicAlbum
    date published: 2020-08-01

Mrok
type: MusicAlbum
date published: 2020-08-19
track: Mrok
  type: MusicRecording
  duration: PT4M7S
  duration ms: 247432
  explicit: false
  by artist: Kartky
  in album: Mrok
    type: MusicAlbum
    date published: 2020-08-19

Mrok
type: MusicAlbum
date published: 2020-08-19
track: Mrok
  type: MusicRecording
  duration: PT4M7S
  duration ms: 247432
  explicit: true
  by artist: Kartky
  in album: Mrok
    type: MusicAlbum
    date published: 2020-08-19

Budzę się spać
type: MusicAlbum
date published: 2020-08-27
track: Budzę się spać
  type: MusicRecording
  duration: PT4M41S
  duration ms: 281668
  explicit: false
  by artist: Kartky
  in album: Budzę się spać
    type: MusicAlbum
    date published: 2020-08-27

Budzę się spać
type: MusicAlbum
date published: 2020-08-27
track: Budzę się spać
  type: MusicRecording
  duration: PT4M41S
  duration ms: 281668
  explicit: true
  by artist: Kartky
  in album: Budzę się spać
    type: MusicAlbum
    date published: 2020-08-27

Outside of Society
type: MusicAlbum
date published: 2020-08-28
track: mała wojna
  type: MusicRecording
  duration: PT4M42S
  duration ms: 282506
  explicit: false
  by artist: Kartky
  in album: Outside of Society
    type: MusicAlbum
    date published: 2020-08-28
  isrc code: PLV402000809
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T05:58:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf566034cad61fcb58d8de29b1897f8a301d33d9d404be04fe5ebecac70330ccf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7DBj3ZJH2HuHwSuKKoqc4t.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7DBj3ZJH2HuHwSuKKoqc4t
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf566034cad61fcb58d8de29b1897f8a301d33d9d404be04fe5ebecac70330ccf","isrc":"PLV402000809","name":"mała wojna","registered_at":"2026-06-10T05:58:23Z","spotify_id":"7DBj3ZJH2HuHwSuKKoqc4t","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf566034cad61fcb58d8de29b1897f8a301d33d9d404be04fe5ebecac70330ccf. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7DBj3ZJH2HuHwSuKKoqc4t.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7DBj3ZJH2HuHwSuKKoqc4t.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xf566034cad61fcb58d8de29b1897f8a301d33d9d404be04fe5ebecac70330ccf","isrc":"PLV402000809","name":"mała wojna","registered_at":"2026-06-10T05:58:23Z","spotify_id":"7DBj3ZJH2HuHwSuKKoqc4t","type":"track"}
track: harlequin vertigo
  type: MusicRecording
  duration: PT5M30S
  duration ms: 330000
  explicit: false
  by artist: Kartky
  in album: Outside of Society
    type: MusicAlbum
    date published: 2020-08-28
  isrc code: PLV402000810
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T10:09:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x08e249fa7d0e902892d04eadb7820bb686e2164e5426b1667629f07905e8ac5f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4IuWjTFaDPgynMx9jyjNOf.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4IuWjTFaDPgynMx9jyjNOf
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x08e249fa7d0e902892d04eadb7820bb686e2164e5426b1667629f07905e8ac5f","isrc":"PLV402000810","name":"harlequin vertigo","registered_at":"2026-06-08T10:09:41Z","spotify_id":"4IuWjTFaDPgynMx9jyjNOf","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x08e249fa7d0e902892d04eadb7820bb686e2164e5426b1667629f07905e8ac5f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4IuWjTFaDPgynMx9jyjNOf.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4IuWjTFaDPgynMx9jyjNOf.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x08e249fa7d0e902892d04eadb7820bb686e2164e5426b1667629f07905e8ac5f","isrc":"PLV402000810","name":"harlequin vertigo","registered_at":"2026-06-08T10:09:41Z","spotify_id":"4IuWjTFaDPgynMx9jyjNOf","type":"track"}
track: Plastikowe kwiaty
  type: MusicRecording
  duration: PT4M54S
  duration ms: 294856
  explicit: false
  by artist: Kartky
  in album: Outside of Society
    type: MusicAlbum
    date published: 2020-08-28
  isrc code: PLV402000718
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T05:10:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9072d81f8a7a53792794ce2892df0f35b787b61cc207b38eb622563c3223ffb3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/24e8FyoZvwSmDb9rqgrK2P.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/24e8FyoZvwSmDb9rqgrK2P
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9072d81f8a7a53792794ce2892df0f35b787b61cc207b38eb622563c3223ffb3","isrc":"PLV402000718","name":"Plastikowe kwiaty","registered_at":"2026-06-05T05:10:15Z","spotify_id":"24e8FyoZvwSmDb9rqgrK2P","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9072d81f8a7a53792794ce2892df0f35b787b61cc207b38eb622563c3223ffb3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/24e8FyoZvwSmDb9rqgrK2P.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/24e8FyoZvwSmDb9rqgrK2P.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x9072d81f8a7a53792794ce2892df0f35b787b61cc207b38eb622563c3223ffb3","isrc":"PLV402000718","name":"Plastikowe kwiaty","registered_at":"2026-06-05T05:10:15Z","spotify_id":"24e8FyoZvwSmDb9rqgrK2P","type":"track"}
track: Bajki robotów
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219706
  explicit: false
  by artist: Kartky
  in album: Outside of Society
    type: MusicAlbum
    date published: 2020-08-28
  isrc code: PLV402000902
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T22:03:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4bd96fae640041a1233d5b6980398eccf1fcb5f75110652cc826af754ece4fa5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4XdDV5ZBqEZ26FjxRQH2HY.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4XdDV5ZBqEZ26FjxRQH2HY
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4bd96fae640041a1233d5b6980398eccf1fcb5f75110652cc826af754ece4fa5","isrc":"PLV402000902","name":"Bajki robotów","registered_at":"2026-06-08T22:03:18Z","spotify_id":"4XdDV5ZBqEZ26FjxRQH2HY","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4bd96fae640041a1233d5b6980398eccf1fcb5f75110652cc826af754ece4fa5. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4XdDV5ZBqEZ26FjxRQH2HY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4XdDV5ZBqEZ26FjxRQH2HY.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x4bd96fae640041a1233d5b6980398eccf1fcb5f75110652cc826af754ece4fa5","isrc":"PLV402000902","name":"Bajki robotów","registered_at":"2026-06-08T22:03:18Z","spotify_id":"4XdDV5ZBqEZ26FjxRQH2HY","type":"track"}
track: ź l i
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198293
  explicit: false
  by artist: Kartky
  in album: Outside of Society
    type: MusicAlbum
    date published: 2020-08-28
  isrc code: PLV402000811
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: CTRL z
track: Chłopcy z placu broni
track: All Black
track: Hialuron
track: Gorzkich snów (feat. BarTie)
track: ostatni track
track: Mrok
track: Budzę się spać

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-18T04:05:34+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xdab122125bab282411924078e131555ebaf65b1ba5083cc947b527c949467e4a

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956304

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/2gK5hhPuMMU08ANCJjvcAk.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gK5hhPuMMU08ANCJjvcAk

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xdab122125bab282411924078e131555ebaf65b1ba5083cc947b527c949467e4a","isrc":"PLV402000811","name":"ź l i","registered_at":"2026-06-18T04:05:34Z","spotify_id":"2gK5hhPuMMU08ANCJjvcAk","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdab122125bab282411924078e131555ebaf65b1ba5083cc947b527c949467e4a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2gK5hhPuMMU08ANCJjvcAk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gK5hhPuMMU08ANCJjvcAk.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0xdab122125bab282411924078e131555ebaf65b1ba5083cc947b527c949467e4a","isrc":"PLV402000811","name":"ź l i","registered_at":"2026-06-18T04:05:34Z","spotify_id":"2gK5hhPuMMU08ANCJjvcAk","type":"track"}

CTRL z
type: MusicRecording
duration: PT2M53S
duration ms: 173866
explicit: false
by artist: Kartky
in album: Outside of Society
  type: MusicAlbum
  date published: 2020-08-28
isrc code: PLV402000881
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T08:41:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5fdf41ae86ceeb4cef81cfd55ad55ad762488e11f4c491b6950b71a861c2e560
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4N79hSADC8OmKhXGvuQeTC.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4N79hSADC8OmKhXGvuQeTC
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5fdf41ae86ceeb4cef81cfd55ad55ad762488e11f4c491b6950b71a861c2e560","isrc":"PLV402000881","name":"CTRL z","registered_at":"2026-06-07T08:41:04Z","spotify_id":"4N79hSADC8OmKhXGvuQeTC","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5fdf41ae86ceeb4cef81cfd55ad55ad762488e11f4c491b6950b71a861c2e560. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4N79hSADC8OmKhXGvuQeTC.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4N79hSADC8OmKhXGvuQeTC.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x5fdf41ae86ceeb4cef81cfd55ad55ad762488e11f4c491b6950b71a861c2e560","isrc":"PLV402000881","name":"CTRL z","registered_at":"2026-06-07T08:41:04Z","spotify_id":"4N79hSADC8OmKhXGvuQeTC","type":"track"}

Chłopcy z placu broni
type: MusicRecording
duration: PT3M11S
duration ms: 191026
explicit: false
by artist: Kartky
in album: Outside of Society
  type: MusicAlbum
  date published: 2020-08-28
isrc code: PLV402000882
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T05:54:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba8bd007168c5abebfa753767a68bb2f8251b041bc81ea1c398445272a60afe3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/44HTb2vDMlcjdsOejl7r1b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/44HTb2vDMlcjdsOejl7r1b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xba8bd007168c5abebfa753767a68bb2f8251b041bc81ea1c398445272a60afe3","isrc":"PLV402000882","name":"Chłopcy z placu broni","registered_at":"2026-06-10T05:54:20Z","spotify_id":"44HTb2vDMlcjdsOejl7r1b","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xba8bd007168c5abebfa753767a68bb2f8251b041bc81ea1c398445272a60afe3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/44HTb2vDMlcjdsOejl7r1b.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/44HTb2vDMlcjdsOejl7r1b.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xba8bd007168c5abebfa753767a68bb2f8251b041bc81ea1c398445272a60afe3","isrc":"PLV402000882","name":"Chłopcy z placu broni","registered_at":"2026-06-10T05:54:20Z","spotify_id":"44HTb2vDMlcjdsOejl7r1b","type":"track"}

All Black
type: MusicRecording
duration: PT2M16S
duration ms: 136466
explicit: false
by artist: Kartky
in album: Outside of Society
  type: MusicAlbum
  date published: 2020-08-28
isrc code: PLV402000906
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T19:18:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6bacec94b9906a90a51c97c3379aa55e83f082419c168e64170ff8db18ff9dbd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2RvMRJVOZDdqPwCxv6DqCb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2RvMRJVOZDdqPwCxv6DqCb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6bacec94b9906a90a51c97c3379aa55e83f082419c168e64170ff8db18ff9dbd","isrc":"PLV402000906","name":"All Black","registered_at":"2026-06-18T19:18:56Z","spotify_id":"2RvMRJVOZDdqPwCxv6DqCb","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6bacec94b9906a90a51c97c3379aa55e83f082419c168e64170ff8db18ff9dbd. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2RvMRJVOZDdqPwCxv6DqCb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2RvMRJVOZDdqPwCxv6DqCb.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x6bacec94b9906a90a51c97c3379aa55e83f082419c168e64170ff8db18ff9dbd","isrc":"PLV402000906","name":"All Black","registered_at":"2026-06-18T19:18:56Z","spotify_id":"2RvMRJVOZDdqPwCxv6DqCb","type":"track"}

Hialuron
type: MusicRecording
duration: PT3M3S
duration ms: 183428
explicit: false
by artist: Kartky
in album: Outside of Society
  type: MusicAlbum
  date published: 2020-08-28
isrc code: PLV402000893
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T09:39:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x890cb6c29b534834b59751f8191d1c0a52201fd2bfab2b710677c30cb620cbc8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5585rTKkHMT7s9QOFBjjPy.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5585rTKkHMT7s9QOFBjjPy
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x890cb6c29b534834b59751f8191d1c0a52201fd2bfab2b710677c30cb620cbc8. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5585rTKkHMT7s9QOFBjjPy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5585rTKkHMT7s9QOFBjjPy.
  date published: 2026-06-13T17:25:41Z

Gorzkich snów (feat. BarTie)
type: MusicRecording
duration: PT4M30S
duration ms: 270671
explicit: false
by artist: Kartky
in album: Outside of Society
  type: MusicAlbum
  date published: 2020-08-28
isrc code: PLV402000908
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T08:37:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde15e0c91b5ada8f2456899f9dc53a4a39387a9dc3dbb6f88238d387cdfda814
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7DRUvlZyrxAe3HRTEvy8Uj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7DRUvlZyrxAe3HRTEvy8Uj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xde15e0c91b5ada8f2456899f9dc53a4a39387a9dc3dbb6f88238d387cdfda814","isrc":"PLV402000908","name":"Gorzkich snów (feat. BarTie)","registered_at":"2026-06-07T08:37:56Z","spotify_id":"7DRUvlZyrxAe3HRTEvy8Uj","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xde15e0c91b5ada8f2456899f9dc53a4a39387a9dc3dbb6f88238d387cdfda814. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7DRUvlZyrxAe3HRTEvy8Uj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7DRUvlZyrxAe3HRTEvy8Uj.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xde15e0c91b5ada8f2456899f9dc53a4a39387a9dc3dbb6f88238d387cdfda814","isrc":"PLV402000908","name":"Gorzkich snów (feat. BarTie)","registered_at":"2026-06-07T08:37:56Z","spotify_id":"7DRUvlZyrxAe3HRTEvy8Uj","type":"track"}

ostatni track
type: MusicRecording
duration: PT4M6S
duration ms: 246546
explicit: false
by artist: Kartky
in album: Outside of Society
  type: MusicAlbum
  date published: 2020-08-28
isrc code: PLF242007107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T14:57:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x20f43a2c361f1f6bf0b90d428cd0a21cffb07a617679807c55ff95b76287c034
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3qEQFph6Fa1NbbaIQFCeFH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3qEQFph6Fa1NbbaIQFCeFH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x20f43a2c361f1f6bf0b90d428cd0a21cffb07a617679807c55ff95b76287c034","isrc":"PLF242007107","name":"ostatni track","registered_at":"2026-06-09T14:57:23Z","spotify_id":"3qEQFph6Fa1NbbaIQFCeFH","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x20f43a2c361f1f6bf0b90d428cd0a21cffb07a617679807c55ff95b76287c034. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3qEQFph6Fa1NbbaIQFCeFH.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3qEQFph6Fa1NbbaIQFCeFH.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x20f43a2c361f1f6bf0b90d428cd0a21cffb07a617679807c55ff95b76287c034","isrc":"PLF242007107","name":"ostatni track","registered_at":"2026-06-09T14:57:23Z","spotify_id":"3qEQFph6Fa1NbbaIQFCeFH","type":"track"}

Mrok
type: MusicRecording
duration: PT4M7S
duration ms: 247432
explicit: false
by artist: Kartky
in album: Outside of Society
  type: MusicAlbum
  date published: 2020-08-28
isrc code: PLV402000910
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T04:05:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x95941e20660e436ec11cc772a75d9b5097f7f3ff01921d1602b11599cceaddb0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5tvmU0PC9LyQiO4p0CPDh9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5tvmU0PC9LyQiO4p0CPDh9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x95941e20660e436ec11cc772a75d9b5097f7f3ff01921d1602b11599cceaddb0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5tvmU0PC9LyQiO4p0CPDh9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5tvmU0PC9LyQiO4p0CPDh9.
  date published: 2026-07-02T03:55:08Z

Budzę się spać
type: MusicRecording
duration: PT4M41S
duration ms: 281668
explicit: false
by artist: Kartky
in album: Outside of Society
  type: MusicAlbum
  date published: 2020-08-28
isrc code: PLV402000911
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T09:36:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf96937148a6d3640afc24d6fb5462bf5bcc340e39d20f42d49a8e78f0c5d62f9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2nlkjOkSsrE1Agw7zscI4T.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2nlkjOkSsrE1Agw7zscI4T
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf96937148a6d3640afc24d6fb5462bf5bcc340e39d20f42d49a8e78f0c5d62f9","isrc":"PLV402000911","name":"Budzę się spać","registered_at":"2026-06-09T09:36:50Z","spotify_id":"2nlkjOkSsrE1Agw7zscI4T","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf96937148a6d3640afc24d6fb5462bf5bcc340e39d20f42d49a8e78f0c5d62f9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2nlkjOkSsrE1Agw7zscI4T.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2nlkjOkSsrE1Agw7zscI4T.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xf96937148a6d3640afc24d6fb5462bf5bcc340e39d20f42d49a8e78f0c5d62f9","isrc":"PLV402000911","name":"Budzę się spać","registered_at":"2026-06-09T09:36:50Z","spotify_id":"2nlkjOkSsrE1Agw7zscI4T","type":"track"}

Outside Of Society
type: MusicAlbum
date published: 2020-08-28
track: Mała Wojna
  type: MusicRecording
  duration: PT4M42S
  duration ms: 282506
  explicit: false
  by artist: Kartky
  in album: Outside Of Society
    type: MusicAlbum
    date published: 2020-08-28
track: Harlequin vertigo
  type: MusicRecording
  duration: PT5M30S
  duration ms: 330000
  explicit: false
  by artist: Kartky
  in album: Outside Of Society
    type: MusicAlbum
    date published: 2020-08-28
track: Plastikowe kwiaty
  type: MusicRecording
  duration: PT4M54S
  duration ms: 294856
  explicit: false
  by artist: Kartky
  in album: Outside Of Society
    type: MusicAlbum
    date published: 2020-08-28
track: Bajki robotów
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219706
  explicit: false
  by artist: Kartky
  in album: Outside Of Society
    type: MusicAlbum
    date published: 2020-08-28
track: Ź L I
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198293
  explicit: false
  by artist: Kartky
  in album: Outside Of Society
    type: MusicAlbum
    date published: 2020-08-28
track: CTRL z
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173866
  explicit: false
  by artist: Kartky
  in album: Outside Of Society
    type: MusicAlbum
    date published: 2020-08-28
track: Chłopcy z placu broni
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191026
  explicit: false
  by artist: Kartky
  in album: Outside Of Society
    type: MusicAlbum
    date published: 2020-08-28
track: All Black
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136466
  explicit: false
  by artist: Kartky
  in album: Outside Of Society
    type: MusicAlbum
    date published: 2020-08-28
track: Hialuron
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183428
  explicit: false
  by artist: Kartky
  in album: Outside Of Society
    type: MusicAlbum
    date published: 2020-08-28
track: Gorzkich snów
  type: MusicRecording
  duration: PT4M30S
  duration ms: 270671
  explicit: false
  by artist: Kartky
  in album: Outside Of Society
    type: MusicAlbum
    date published: 2020-08-28
track: Ostatni track
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246546
  explicit: false
  by artist: Kartky
  in album: Outside Of Society
    type: MusicAlbum
    date published: 2020-08-28
track: Mrok
  type: MusicRecording
  duration: PT4M7S
  duration ms: 247432
  explicit: false
  by artist: Kartky
  in album: Outside Of Society
    type: MusicAlbum
    date published: 2020-08-28
track: Budzę się spać
  type: MusicRecording
  duration: PT4M41S
  duration ms: 281668
  explicit: false
  by artist: Kartky
  in album: Outside Of Society
    type: MusicAlbum
    date published: 2020-08-28

Bajki robotów
type: MusicAlbum
date published: 2020-09-08
track: Bajki robotów
  type: MusicRecording
  duration: PT3M39S
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  explicit: false
  by artist: Kartky
  in album: Bajki robotów
    type: MusicAlbum
    date published: 2020-09-08

Bajki robotów
type: MusicAlbum
date published: 2020-09-08
track: Bajki robotów
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219706
  explicit: false
  by artist: Kartky
  in album: Bajki robotów
    type: MusicAlbum
    date published: 2020-09-08

Ballady i Romanse EP
type: MusicAlbum
date published: 2020-09-17
track: Nowy, wspaniały świat
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  duration: PT3M46S
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  explicit: false
  by artist: Kartky
  in album: Ballady i Romanse EP
    type: MusicAlbum
    date published: 2020-09-17
track: Hot16challenge
  type: MusicRecording
  duration: PT2M9S
  duration ms: 129668
  explicit: true
  by artist: Kartky
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    type: MusicAlbum
    date published: 2020-09-17
track: Koszmar minionego lata - Remix
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216693
  explicit: true
  by artist: Kartky
  in album: Ballady i Romanse EP
    type: MusicAlbum
    date published: 2020-09-17
track: Contratiempo
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222844
  explicit: true
  by artist: Kartky
  in album: Ballady i Romanse EP
    type: MusicAlbum
    date published: 2020-09-17
track: Dziewczynka z zapałkami
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207946
  explicit: true
  by artist: Kartky
  in album: Ballady i Romanse EP
    type: MusicAlbum
    date published: 2020-09-17
track: Nocturne
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168760
  explicit: true
  by artist: Kartky
  in album: Ballady i Romanse EP
    type: MusicAlbum
    date published: 2020-09-17
track: Atlantyda
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150777
  explicit: false
  by artist: Kartky
  in album: Ballady i Romanse EP
    type: MusicAlbum
    date published: 2020-09-17

Ballady i Romanse EP
type: MusicAlbum
date published: 2020-09-17
track: Nowy, wspaniały świat
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226786
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    type: MusicAlbum
    date published: 2020-09-17
track: Hot16challenge
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  duration: PT2M9S
  duration ms: 129668
  explicit: true
  by artist: Kartky
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    type: MusicAlbum
    date published: 2020-09-17
track: Koszmar minionego lata (feat. Deys) - Remix
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216693
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  by artist: Kartky
  in album: Ballady i Romanse EP
    type: MusicAlbum
    date published: 2020-09-17
  isrc code: PLV402000913
track: Contratiempo (feat. AyamCamani)
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  duration: PT3M42S
  duration ms: 222844
  explicit: true
  by artist: Kartky
  in album: Ballady i Romanse EP
    type: MusicAlbum
    date published: 2020-09-17
  isrc code: PLV402000914
track: Dziewczynka z zapałkami
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207946
  explicit: true
  by artist: Kartky
  in album: Ballady i Romanse EP
    type: MusicAlbum
    date published: 2020-09-17
track: Nocturne
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168760
  explicit: true
  by artist: Kartky
  in album: Ballady i Romanse EP
    type: MusicAlbum
    date published: 2020-09-17
  isrc code: PLV402000916
track: Atlantyda
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150777
  explicit: false
  by artist: Kartky
  in album: Ballady i Romanse EP
    type: MusicAlbum
    date published: 2020-09-17
  isrc code: PLV402000917

Straty
type: MusicAlbum
date published: 2020-11-16
track: Straty
  type: MusicRecording
  duration: PT5M2S
  duration ms: 302068
  explicit: true
  by artist: Kartky
  in album: Straty
    type: MusicAlbum
    date published: 2020-11-16

Straty
type: MusicAlbum
date published: 2020-11-16
track: Straty
  type: MusicRecording
  duration: PT5M2S
  duration ms: 302068
  explicit: true
  by artist: Kartky
  in album: Straty
    type: MusicAlbum
    date published: 2020-11-16
  isrc code: PLF242007408

KRZYK
type: MusicAlbum
date published: 2021-01-05
track: KRZYK
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277571
  explicit: true
  by artist: Kartky
  in album: KRZYK
    type: MusicAlbum
    date published: 2021-01-05

KRZYK
type: MusicAlbum
date published: 2021-01-05
track: KRZYK
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277571
  explicit: true
  by artist: Kartky
  in album: KRZYK
    type: MusicAlbum
    date published: 2021-01-05

0 II (słowa na wiatr)
type: MusicAlbum
date published: 2021-03-03
track: 0 II (słowa na wiatr)
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280320
  explicit: false
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    date published: 2021-03-03

0 II (słowa na wiatr)
type: MusicAlbum
date published: 2021-03-03
track: 0 II (słowa na wiatr)
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  duration: PT4M40S
  duration ms: 280320
  explicit: false
  by artist: Kartky
  in album: 0 II (słowa na wiatr)
    type: MusicAlbum
    date published: 2021-03-03

miłość bez ść
type: MusicAlbum
date published: 2021-04-05
track: miłość bez ść
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  duration: PT6M0S
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  explicit: true
  by artist: Kartky
  in album: miłość bez ść
    type: MusicAlbum
    date published: 2021-04-05

miłość bez ść
type: MusicAlbum
date published: 2021-04-05
track: miłość bez ść
  type: MusicRecording
  duration: PT6M0S
  duration ms: 360000
  explicit: true
  by artist: Kartky
  in album: miłość bez ść
    type: MusicAlbum
    date published: 2021-04-05
  isrc code: PLF242107790

Sprandi
type: MusicAlbum
date published: 2021-04-20
track: Sprandi
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267004
  explicit: true
  by artist: Kartky
  in album: Sprandi
    type: MusicAlbum
    date published: 2021-04-20

Sprandi
type: MusicAlbum
date published: 2021-04-20
track: Sprandi
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  duration: PT4M27S
  duration ms: 267004
  explicit: true
  by artist: Kartky
  in album: Sprandi
    type: MusicAlbum
    date published: 2021-04-20

sen nocy letniej
type: MusicAlbum
date published: 2021-05-27
track: sen nocy letniej
  type: MusicRecording
  duration: PT4M14S
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  explicit: true
  by artist: Kartky
  in album: sen nocy letniej
    type: MusicAlbum
    date published: 2021-05-27

sen nocy letniej
type: MusicAlbum
date published: 2021-05-27
track: sen nocy letniej
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254769
  explicit: true
  by artist: Kartky
  in album: sen nocy letniej
    type: MusicAlbum
    date published: 2021-05-27

BLACK SKY
type: MusicAlbum
date published: 2021-06-08
track: BLACK SKY
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220000
  explicit: true
  by artist: Kartky
  in album: BLACK SKY
    type: MusicAlbum
    date published: 2021-06-08

BLACK SKY
type: MusicAlbum
date published: 2021-06-08
track: BLACK SKY
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220000
  explicit: true
  by artist: Kartky
  in album: BLACK SKY
    type: MusicAlbum
    date published: 2021-06-08

nie, bo piękna
type: MusicAlbum
date published: 2021-06-17
track: nie, bo piękna
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  duration: PT4M35S
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  explicit: true
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    type: MusicAlbum
    date published: 2021-06-17

nie, bo piękna
type: MusicAlbum
date published: 2021-06-17
track: nie, bo piękna
  type: MusicRecording
  duration: PT4M35S
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  explicit: true
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    type: MusicAlbum
    date published: 2021-06-17
  isrc code: PLF242108140

List do K.
type: MusicAlbum
date published: 2021-07-03
track: List do K.
  type: MusicRecording
  duration: PT3M42S
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  explicit: true
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    type: MusicAlbum
    date published: 2021-07-03

List do K.
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date published: 2021-07-03
track: List do K.
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  by artist: Kartky
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    type: MusicAlbum
    date published: 2021-07-03

Lugia
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date published: 2021-07-26
track: Lugia
  type: MusicRecording
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  explicit: true
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    type: MusicAlbum
    date published: 2021-07-26

Lugia
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date published: 2021-07-26
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  explicit: true
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вне общества
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    date published: 2021-08-05

вне общества
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date published: 2021-08-05
track: вне общества
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  explicit: true
  by artist: Kartky
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    type: MusicAlbum
    date published: 2021-08-05

Kraina Lodu
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date published: 2021-08-20
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  explicit: true
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    type: MusicAlbum
    date published: 2021-08-20
track: List do K.
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    type: MusicAlbum
    date published: 2021-08-20
track: Opowieść o Krainie Lodu
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    date published: 2021-08-20
track: KRZYK
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    type: MusicAlbum
    date published: 2021-08-20
track: Rzeźnik z Blaviken
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  duration: PT4M13S
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    type: MusicAlbum
    date published: 2021-08-20
track: Ballada o Panu Lusterko
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  duration: PT5M33S
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    type: MusicAlbum
    date published: 2021-08-20
track: miłość bez ść
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  duration: PT6M0S
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    type: MusicAlbum
    date published: 2021-08-20
track: BLACK SKY
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  duration: PT3M40S
  duration ms: 220000
  explicit: true
  by artist: Kartky
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    type: MusicAlbum
    date published: 2021-08-20
track: sen nocy letniej
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  duration: PT4M14S
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  explicit: true
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    type: MusicAlbum
    date published: 2021-08-20
track: August Ames
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  duration: PT4M4S
  duration ms: 244687
  explicit: true
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    type: MusicAlbum
    date published: 2021-08-20
track: Sprandi
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  duration: PT4M27S
  duration ms: 267004
  explicit: true
  by artist: Kartky
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    type: MusicAlbum
    date published: 2021-08-20
track: art deco
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277933
  explicit: true
  by artist: Kartky
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    type: MusicAlbum
    date published: 2021-08-20
track: nie, bo piękna
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275229
  explicit: true
  by artist: Kartky
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    type: MusicAlbum
    date published: 2021-08-20
track: Lugia
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196626
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    type: MusicAlbum
    date published: 2021-08-20
track: błędny rycerz
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  duration: PT4M0S
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    type: MusicAlbum
    date published: 2021-08-20
track: вне общества
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  duration: PT4M2S
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    type: MusicAlbum
    date published: 2021-08-20
track: WRÓG
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  duration: PT2M43S
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    type: MusicAlbum
    date published: 2021-08-20
track: Doppler
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  duration: PT2M30S
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  explicit: true
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    type: MusicAlbum
    date published: 2021-08-20
track: nigdy więcej
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  duration: PT4M40S
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    type: MusicAlbum
    date published: 2021-08-20
track: Articuno
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  duration: PT3M16S
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  explicit: true
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    type: MusicAlbum
    date published: 2021-08-20
track: Pani Jeziora
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  duration: PT4M14S
  duration ms: 254400
  explicit: true
  by artist: Kartky
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    type: MusicAlbum
    date published: 2021-08-20
track: ballada o dawnym życiu
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  duration: PT4M2S
  duration ms: 242208
  explicit: true
  by artist: Kartky
  in album: Kraina Lodu
    type: MusicAlbum
    date published: 2021-08-20
track: ostatnie życzenie (zniknąć)

ostatnie życzenie (zniknąć)
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explicit: true
by artist: Kartky
in album: Kraina Lodu
  type: MusicAlbum
  date published: 2021-08-20

Kraina Lodu
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date published: 2021-08-20
track: 0 II (słowa na wiatr)
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  duration: PT4M40S
  duration ms: 280320
  explicit: false
  by artist: Kartky
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    type: MusicAlbum
    date published: 2021-08-20
track: List do K.
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  duration: PT3M41S
  duration ms: 221463
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  by artist: Kartky
  in album: Kraina Lodu
    type: MusicAlbum
    date published: 2021-08-20
track: Opowieść o Krainie Lodu
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  duration: PT2M10S
  duration ms: 130153
  explicit: true
  by artist: Kartky
  in album: Kraina Lodu
    type: MusicAlbum
    date published: 2021-08-20
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  additional property: CopyrightID
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSRecordURL
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2021-08-20
track: Rzeźnik z Blaviken
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track: Ballada o Panu Lusterko
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track: miłość bez ść
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    date published: 2021-08-20
track: BLACK SKY
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    type: MusicAlbum
    date published: 2021-08-20
track: sen nocy letniej
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    type: MusicAlbum
    date published: 2021-08-20
track: August Ames
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track: Sprandi
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    date published: 2021-08-20
track: art deco
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track: nie, bo piękna
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track: Lugia
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track: błędny rycerz
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track: вне общества
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track: WRÓG
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track: Doppler
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    date published: 2021-08-20
track: nigdy więcej (feat. Leśny)
track: Articuno
track: Pani Jeziora
track: ballada o dawnym życiu
track: ostatnie życzenie (zniknąć)

nigdy więcej (feat. Leśny)
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Articuno
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Pani Jeziora
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ballada o dawnym życiu
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subject of: OpenTimestamps Proof of Existence
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ostatnie życzenie (zniknąć)
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by artist: Kartky
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Necronomicon EP
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date published: 2021-09-24
track: Savage
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track: August Ames II
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track: Black soul
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track: Zakazany las
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track: Jakbym nigdy nie istniał
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track: VALHALLA
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Necronomicon EP
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track: August Ames II
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track: Jakbym nigdy nie istniał
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track: VALHALLA
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NIKT
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NIKT
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track: NIKT
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NIKT
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2007
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2007 (feat. Lema)
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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2007
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siedem smutnych lat (feat. Foxs)
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siedem smutnych lat
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czarny punkt
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czarny punkt
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jesienne demony (feat. Dariusz Odija)
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jesienne demony
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strach
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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strach
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księga jesiennych demonów
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track: nie zabijaj mnie
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track: nie, bo z piekła (wypijmy za błędy)
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    date published: 2022-02-11
track: 6.32, 7.11.2021
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261000
  explicit: true
  by artist: Kartky
  in album: księga jesiennych demonów
    type: MusicAlbum
    date published: 2022-02-11
track: kuszenie deszczowej nocy
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220862
  explicit: true
  by artist: Kartky
  in album: księga jesiennych demonów
    type: MusicAlbum
    date published: 2022-02-11
track: jesienne demony
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121263
  explicit: true
  by artist: Kartky
  in album: księga jesiennych demonów
    type: MusicAlbum
    date published: 2022-02-11
track: czarny punkt
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154105
  explicit: true
  by artist: Kartky
  in album: księga jesiennych demonów
    type: MusicAlbum
    date published: 2022-02-11
track: spowiedź
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185675
  explicit: true
  by artist: Kartky
  in album: księga jesiennych demonów
    type: MusicAlbum
    date published: 2022-02-11

księga jesiennych demonów
type: MusicAlbum
date published: 2022-02-11
track: nie zabijaj mnie (feat. Dariusz Odija)
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254117
  explicit: true
  by artist: Kartky
  in album: księga jesiennych demonów
    type: MusicAlbum
    date published: 2022-02-11
  isrc code: PLF242208839
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T14:33:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xae30ca6fb78b915e8e9f923f44aa86a5da85ac6d15fa965851b795559804ad15
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3akDkAGRQzXed8GtEEIc2N.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3akDkAGRQzXed8GtEEIc2N
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xae30ca6fb78b915e8e9f923f44aa86a5da85ac6d15fa965851b795559804ad15","isrc":"PLF242208839","name":"nie zabijaj mnie (feat. Dariusz Odija)","registered_at":"2026-06-23T14:33:01Z","spotify_id":"3akDkAGRQzXed8GtEEIc2N","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xae30ca6fb78b915e8e9f923f44aa86a5da85ac6d15fa965851b795559804ad15. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3akDkAGRQzXed8GtEEIc2N.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3akDkAGRQzXed8GtEEIc2N.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xae30ca6fb78b915e8e9f923f44aa86a5da85ac6d15fa965851b795559804ad15","isrc":"PLF242208839","name":"nie zabijaj mnie (feat. Dariusz Odija)","registered_at":"2026-06-23T14:33:01Z","spotify_id":"3akDkAGRQzXed8GtEEIc2N","type":"track"}
track: NOIR (listopadowy mrok)
  type: MusicRecording
  duration: PT1M58S
  duration ms: 118144
  explicit: true
  by artist: Kartky
  in album: księga jesiennych demonów
    type: MusicAlbum
    date published: 2022-02-11
  isrc code: PLF242208840
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T11:32:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0230bcdc04f806eac3f3ac959d52d3bfad38d74618e9bb537483294097d02de8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1ZoyN0w96IiZ3GVNalBbVB.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ZoyN0w96IiZ3GVNalBbVB
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0230bcdc04f806eac3f3ac959d52d3bfad38d74618e9bb537483294097d02de8","isrc":"PLF242208840","name":"NOIR (listopadowy mrok)","registered_at":"2026-06-20T11:32:34Z","spotify_id":"1ZoyN0w96IiZ3GVNalBbVB","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0230bcdc04f806eac3f3ac959d52d3bfad38d74618e9bb537483294097d02de8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ZoyN0w96IiZ3GVNalBbVB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ZoyN0w96IiZ3GVNalBbVB.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x0230bcdc04f806eac3f3ac959d52d3bfad38d74618e9bb537483294097d02de8","isrc":"PLF242208840","name":"NOIR (listopadowy mrok)","registered_at":"2026-06-20T11:32:34Z","spotify_id":"1ZoyN0w96IiZ3GVNalBbVB","type":"track"}
track: przyjacielu
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211200
  explicit: true
  by artist: Kartky
  in album: księga jesiennych demonów
    type: MusicAlbum
    date published: 2022-02-11
  isrc code: PLF242208841
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T17:43:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x79a71b505944b60ed48441fb6caa2ff35cbf7ab338fb1a057a0540e768d133b1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7z78SEdq6oJ2OZxsF8Xr41.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7z78SEdq6oJ2OZxsF8Xr41
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x79a71b505944b60ed48441fb6caa2ff35cbf7ab338fb1a057a0540e768d133b1. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7z78SEdq6oJ2OZxsF8Xr41.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7z78SEdq6oJ2OZxsF8Xr41.
    date published: 2026-06-13T13:32:09Z
track: mroczna wieża
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179555
  explicit: true
  by artist: Kartky
  in album: księga jesiennych demonów
    type: MusicAlbum
    date published: 2022-02-11
  isrc code: PLF242208842
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T16:36:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4516cb607ed2cba0e729946b894e6cfc609842112eaf59174d96b5f5eca7fe39
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/07K0OwMI0zDuB7RCjDMGRW.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/07K0OwMI0zDuB7RCjDMGRW
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4516cb607ed2cba0e729946b894e6cfc609842112eaf59174d96b5f5eca7fe39","isrc":"PLF242208842","name":"mroczna wieża","registered_at":"2026-06-19T16:36:45Z","spotify_id":"07K0OwMI0zDuB7RCjDMGRW","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4516cb607ed2cba0e729946b894e6cfc609842112eaf59174d96b5f5eca7fe39. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/07K0OwMI0zDuB7RCjDMGRW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/07K0OwMI0zDuB7RCjDMGRW.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x4516cb607ed2cba0e729946b894e6cfc609842112eaf59174d96b5f5eca7fe39","isrc":"PLF242208842","name":"mroczna wieża","registered_at":"2026-06-19T16:36:45Z","spotify_id":"07K0OwMI0zDuB7RCjDMGRW","type":"track"}
track: NIKT
  type: MusicRecording
  duration: PT4M30S
  duration ms: 270416
  explicit: true
  by artist: Kartky
  in album: księga jesiennych demonów
    type: MusicAlbum
    date published: 2022-02-11
  isrc code: PLF242108708
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: strach
track: siedem smutnych lat (feat. Foxs)
track: 2007 (feat. Lema)
track: nie, bo z piekła (wypijmy za błędy)
track: 6.32, 7.11.2021
track: kuszenie deszczowej nocy
track: jesienne demony (feat. Dariusz Odija)
track: czarny punkt
track: spowiedź

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-09T10:22:25+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xd7dbdfe0686a11ddf36aff42c6964f9a5de7375f8d6ab2b214bb23dd55d7fefb

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/2qYUFsni2C3ycO6dcVSJpN.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qYUFsni2C3ycO6dcVSJpN

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7dbdfe0686a11ddf36aff42c6964f9a5de7375f8d6ab2b214bb23dd55d7fefb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2qYUFsni2C3ycO6dcVSJpN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qYUFsni2C3ycO6dcVSJpN.
date published: 2026-06-13T15:41:10Z

strach
type: MusicRecording
duration: PT2M53S
duration ms: 173195
explicit: true
by artist: Kartky
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242208843
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T20:18:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa115696d77789aa68d7f8a51b86c2cdcafd4d5e2f5a4d4656d44001866b3c88e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6szwrzMVIxrjxc15QDWBjY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6szwrzMVIxrjxc15QDWBjY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa115696d77789aa68d7f8a51b86c2cdcafd4d5e2f5a4d4656d44001866b3c88e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6szwrzMVIxrjxc15QDWBjY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6szwrzMVIxrjxc15QDWBjY.
  date published: 2026-06-13T17:25:41Z

siedem smutnych lat (feat. Foxs)
type: MusicRecording
duration: PT3M32S
duration ms: 212272
explicit: true
by artist: Kartky
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242208812
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T09:06:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa4f1756869831e72b6dff21702d6169a261895ade0ddf5a72e87ac7572f4bd6f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2dA6RCF9nB3v4krVf60DSR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dA6RCF9nB3v4krVf60DSR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa4f1756869831e72b6dff21702d6169a261895ade0ddf5a72e87ac7572f4bd6f","isrc":"PLF242208812","name":"siedem smutnych lat (feat. Foxs)","registered_at":"2026-06-07T09:06:22Z","spotify_id":"2dA6RCF9nB3v4krVf60DSR","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa4f1756869831e72b6dff21702d6169a261895ade0ddf5a72e87ac7572f4bd6f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2dA6RCF9nB3v4krVf60DSR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dA6RCF9nB3v4krVf60DSR.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xa4f1756869831e72b6dff21702d6169a261895ade0ddf5a72e87ac7572f4bd6f","isrc":"PLF242208812","name":"siedem smutnych lat (feat. Foxs)","registered_at":"2026-06-07T09:06:22Z","spotify_id":"2dA6RCF9nB3v4krVf60DSR","type":"track"}

2007 (feat. Lema)
type: MusicRecording
duration: PT8M23S
duration ms: 503225
explicit: true
by artist: Kartky
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242108773
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T20:16:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x518b5d1069497a9207e4f8cf80b9bf8ef6321cba5871605dc75d55cc97eb0863
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2gwQyrx9ZkLjYDwduj7I7K.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gwQyrx9ZkLjYDwduj7I7K
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x518b5d1069497a9207e4f8cf80b9bf8ef6321cba5871605dc75d55cc97eb0863","isrc":"PLF242108773","name":"2007 (feat. Lema)","registered_at":"2026-06-09T20:16:44Z","spotify_id":"2gwQyrx9ZkLjYDwduj7I7K","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x518b5d1069497a9207e4f8cf80b9bf8ef6321cba5871605dc75d55cc97eb0863. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2gwQyrx9ZkLjYDwduj7I7K.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2gwQyrx9ZkLjYDwduj7I7K.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x518b5d1069497a9207e4f8cf80b9bf8ef6321cba5871605dc75d55cc97eb0863","isrc":"PLF242108773","name":"2007 (feat. Lema)","registered_at":"2026-06-09T20:16:44Z","spotify_id":"2gwQyrx9ZkLjYDwduj7I7K","type":"track"}

nie, bo z piekła (wypijmy za błędy)
type: MusicRecording
duration: PT0M52S
duration ms: 52000
explicit: true
by artist: Kartky
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242208844
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T09:17:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x44bbe1c1a53b1c332941afb05870fcd50ff2897fe9bda024c8c578eb43f98784
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2VYhvPUuWyH4ysE6xgfks0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2VYhvPUuWyH4ysE6xgfks0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x44bbe1c1a53b1c332941afb05870fcd50ff2897fe9bda024c8c578eb43f98784","isrc":"PLF242208844","name":"nie, bo z piekła (wypijmy za błędy)","registered_at":"2026-06-21T09:17:32Z","spotify_id":"2VYhvPUuWyH4ysE6xgfks0","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x44bbe1c1a53b1c332941afb05870fcd50ff2897fe9bda024c8c578eb43f98784. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2VYhvPUuWyH4ysE6xgfks0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2VYhvPUuWyH4ysE6xgfks0.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x44bbe1c1a53b1c332941afb05870fcd50ff2897fe9bda024c8c578eb43f98784","isrc":"PLF242208844","name":"nie, bo z piekła (wypijmy za błędy)","registered_at":"2026-06-21T09:17:32Z","spotify_id":"2VYhvPUuWyH4ysE6xgfks0","type":"track"}

6.32, 7.11.2021
type: MusicRecording
duration: PT4M21S
duration ms: 261000
explicit: true
by artist: Kartky
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242208845
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T01:10:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4775775e7c124df2edfdd9f31143b6be1b8d121e88ea12b0a2af196df00869a1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/584ElRCoEbg01vqA7rMZNM.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/584ElRCoEbg01vqA7rMZNM
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4775775e7c124df2edfdd9f31143b6be1b8d121e88ea12b0a2af196df00869a1","isrc":"PLF242208845","name":"6.32, 7.11.2021","registered_at":"2026-06-10T01:10:30Z","spotify_id":"584ElRCoEbg01vqA7rMZNM","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4775775e7c124df2edfdd9f31143b6be1b8d121e88ea12b0a2af196df00869a1. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/584ElRCoEbg01vqA7rMZNM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/584ElRCoEbg01vqA7rMZNM.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x4775775e7c124df2edfdd9f31143b6be1b8d121e88ea12b0a2af196df00869a1","isrc":"PLF242208845","name":"6.32, 7.11.2021","registered_at":"2026-06-10T01:10:30Z","spotify_id":"584ElRCoEbg01vqA7rMZNM","type":"track"}

kuszenie deszczowej nocy
type: MusicRecording
duration: PT3M40S
duration ms: 220862
explicit: true
by artist: Kartky
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242208846
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T20:43:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xab7a9f51161699fa009004faa89d09559124d59555c5cc7dc03fe41b3a8da567
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0nSgHF8hTrvk204C92XqQ6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0nSgHF8hTrvk204C92XqQ6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xab7a9f51161699fa009004faa89d09559124d59555c5cc7dc03fe41b3a8da567","isrc":"PLF242208846","name":"kuszenie deszczowej nocy","registered_at":"2026-06-18T20:43:42Z","spotify_id":"0nSgHF8hTrvk204C92XqQ6","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xab7a9f51161699fa009004faa89d09559124d59555c5cc7dc03fe41b3a8da567. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0nSgHF8hTrvk204C92XqQ6.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0nSgHF8hTrvk204C92XqQ6.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xab7a9f51161699fa009004faa89d09559124d59555c5cc7dc03fe41b3a8da567","isrc":"PLF242208846","name":"kuszenie deszczowej nocy","registered_at":"2026-06-18T20:43:42Z","spotify_id":"0nSgHF8hTrvk204C92XqQ6","type":"track"}

jesienne demony (feat. Dariusz Odija)
type: MusicRecording
duration: PT2M1S
duration ms: 121263
explicit: true
by artist: Kartky
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242208847
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T18:42:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x180e7dd90a89d337106a25d2bc22189105b503e67b08e312354b2a138afde165
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6gr2QIpURS4REw4OLOhiB4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6gr2QIpURS4REw4OLOhiB4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x180e7dd90a89d337106a25d2bc22189105b503e67b08e312354b2a138afde165","isrc":"PLF242208847","name":"jesienne demony (feat. Dariusz Odija)","registered_at":"2026-06-21T18:42:34Z","spotify_id":"6gr2QIpURS4REw4OLOhiB4","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x180e7dd90a89d337106a25d2bc22189105b503e67b08e312354b2a138afde165. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6gr2QIpURS4REw4OLOhiB4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6gr2QIpURS4REw4OLOhiB4.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x180e7dd90a89d337106a25d2bc22189105b503e67b08e312354b2a138afde165","isrc":"PLF242208847","name":"jesienne demony (feat. Dariusz Odija)","registered_at":"2026-06-21T18:42:34Z","spotify_id":"6gr2QIpURS4REw4OLOhiB4","type":"track"}

czarny punkt
type: MusicRecording
duration: PT2M34S
duration ms: 154105
explicit: true
by artist: Kartky
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242208848
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T17:41:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbec25f3014e0589d90efb4694fa7372cc6122a3af19f1c23125d226dd263ffe8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5qGinlDAWJ0GhEDGRrqzjg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5qGinlDAWJ0GhEDGRrqzjg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbec25f3014e0589d90efb4694fa7372cc6122a3af19f1c23125d226dd263ffe8","isrc":"PLF242208848","name":"czarny punkt","registered_at":"2026-06-11T17:41:59Z","spotify_id":"5qGinlDAWJ0GhEDGRrqzjg","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xbec25f3014e0589d90efb4694fa7372cc6122a3af19f1c23125d226dd263ffe8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5qGinlDAWJ0GhEDGRrqzjg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5qGinlDAWJ0GhEDGRrqzjg.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xbec25f3014e0589d90efb4694fa7372cc6122a3af19f1c23125d226dd263ffe8","isrc":"PLF242208848","name":"czarny punkt","registered_at":"2026-06-11T17:41:59Z","spotify_id":"5qGinlDAWJ0GhEDGRrqzjg","type":"track"}

spowiedź
type: MusicRecording
duration: PT3M5S
duration ms: 185675
explicit: true
by artist: Kartky
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242208849
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T05:17:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x379fe78e9d3e895fcf2e3ffe14877366bda3f7d039681c923faaed6cb445f656
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6FRbwrxucKkfWVbypvRDn5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6FRbwrxucKkfWVbypvRDn5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x379fe78e9d3e895fcf2e3ffe14877366bda3f7d039681c923faaed6cb445f656","isrc":"PLF242208849","name":"spowiedź","registered_at":"2026-06-18T05:17:14Z","spotify_id":"6FRbwrxucKkfWVbypvRDn5","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x379fe78e9d3e895fcf2e3ffe14877366bda3f7d039681c923faaed6cb445f656. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6FRbwrxucKkfWVbypvRDn5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6FRbwrxucKkfWVbypvRDn5.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x379fe78e9d3e895fcf2e3ffe14877366bda3f7d039681c923faaed6cb445f656","isrc":"PLF242208849","name":"spowiedź","registered_at":"2026-06-18T05:17:14Z","spotify_id":"6FRbwrxucKkfWVbypvRDn5","type":"track"}

chmury
type: MusicAlbum
date published: 2022-07-13
track: chmury
  type: MusicRecording
  duration: PT4M49S
  duration ms: 289250
  explicit: true
  by artist: Kartky
  in album: chmury
    type: MusicAlbum
    date published: 2022-07-13

chmury
type: MusicAlbum
date published: 2022-07-13
track: chmury
  type: MusicRecording
  duration: PT4M49S
  duration ms: 289250
  explicit: true
  by artist: Kartky
  in album: chmury
    type: MusicAlbum
    date published: 2022-07-13
  isrc code: PLF242209751

muzyka końca lata
type: MusicAlbum
date published: 2022-08-21
track: muzyka końca lata
  type: MusicRecording
  duration: PT4M51S
  duration ms: 291764
  explicit: true
  by artist: Kartky
  in album: muzyka końca lata
    type: MusicAlbum
    date published: 2022-08-21

muzyka końca lata
type: MusicAlbum
date published: 2022-08-21
track: muzyka końca lata
  type: MusicRecording
  duration: PT4M51S
  duration ms: 291764
  explicit: true
  by artist: Kartky
  in album: muzyka końca lata
    type: MusicAlbum
    date published: 2022-08-21

niebo
type: MusicAlbum
date published: 2022-09-04
track: niebo
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211000
  explicit: false
  by artist: Kartky
  in album: niebo
    type: MusicAlbum
    date published: 2022-09-04
  isrc code: PLF242209824
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T20:47:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6c775baaa282858667480ce476fd8b8e45f588f345001dea1e6010b662cdd8fb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4PchxA0Smr1cJcHbw5ouIu.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4PchxA0Smr1cJcHbw5ouIu
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6c775baaa282858667480ce476fd8b8e45f588f345001dea1e6010b662cdd8fb. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4PchxA0Smr1cJcHbw5ouIu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4PchxA0Smr1cJcHbw5ouIu.
    date published: 2026-06-13T13:32:09Z

niebo
type: MusicAlbum
date published: 2022-09-04
track: niebo
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211000
  explicit: false
  by artist: Kartky
  in album: niebo
    type: MusicAlbum
    date published: 2022-09-04

Kwiaty Zła
type: MusicAlbum
date published: 2023-08-27
track: Kwiaty Zła
  type: MusicRecording
  duration: PT5M14S
  duration ms: 314651
  explicit: true
  by artist: Kartky
  in album: Kwiaty Zła
    type: MusicAlbum
    date published: 2023-08-27

Duch
type: MusicAlbum
date published: 2023-10-15
track: Duch
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186663
  explicit: true
  by artist: Kartky
  in album: Duch
    type: MusicAlbum
    date published: 2023-10-15
  isrc code: PLF242211038
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-28T19:19:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd72c79d98b79bd229768f679b42f7a7015104bbb2876d14f5b079369e9f78f60
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/71bnulkjwLVMoESyEeggGu.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/71bnulkjwLVMoESyEeggGu
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd72c79d98b79bd229768f679b42f7a7015104bbb2876d14f5b079369e9f78f60. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/71bnulkjwLVMoESyEeggGu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/71bnulkjwLVMoESyEeggGu.
    date published: 2026-07-02T16:51:38Z

Depresja
type: MusicAlbum
date published: 2023-11-06
track: Depresja
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260644
  explicit: true
  by artist: Kartky
  in album: Depresja
    type: MusicAlbum
    date published: 2023-11-06

Pora Mgieł
type: MusicAlbum
date published: 2023-12-08
track: Pora Mgieł
  type: MusicRecording
  duration: PT5M21S
  duration ms: 321391
  explicit: true
  by artist: Kartky
  in album: Pora Mgieł
    type: MusicAlbum
    date published: 2023-12-08
  isrc code: PLF242211212

Fantazje i dramaty
type: MusicAlbum
date published: 2023-12-22
track: Fantazje i dramaty
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241967
  explicit: true
  by artist: Kartky
  in album: Fantazje i dramaty
    type: MusicAlbum
    date published: 2023-12-22
  isrc code: PLF242211232

Selene
type: MusicAlbum
date published: 2023-12-24
track: Selene
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195151
  explicit: true
  by artist: Kartky
  in album: Selene
    type: MusicAlbum
    date published: 2023-12-24
  isrc code: PLF242211235

Depresja
type: MusicAlbum
date published: 2023-12-25
track: Nie umiem spać w nocy, bo patrzę na góry
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226000
  explicit: true
  by artist: Kartky
  in album: Depresja
    type: MusicAlbum
    date published: 2023-12-25
track: Duch
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186663
  explicit: true
  by artist: Kartky
  in album: Depresja
    type: MusicAlbum
    date published: 2023-12-25
track: W piekle
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198857
  explicit: true
  by artist: Kartky
  in album: Depresja
    type: MusicAlbum
    date published: 2023-12-25
track: Fantazje i dramaty
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241967
  explicit: true
  by artist: Kartky
  in album: Depresja
    type: MusicAlbum
    date published: 2023-12-25
track: VINTED
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176410
  explicit: true
  by artist: Kartky
  in album: Depresja
    type: MusicAlbum
    date published: 2023-12-25
track: Ikar
  type: MusicRecording
  duration: PT2M15S
  duration ms: 135728
  explicit: true
  by artist: Kartky
  in album: Depresja
    type: MusicAlbum
    date published: 2023-12-25
track: Depresja
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260644
  explicit: true
  by artist: Kartky
  in album: Depresja
    type: MusicAlbum
    date published: 2023-12-25
track: Kwiaty Zła
  type: MusicRecording
  duration: PT5M14S
  duration ms: 314651
  explicit: true
  by artist: Kartky
  in album: Depresja
    type: MusicAlbum
    date published: 2023-12-25
track: Selene
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195151
  explicit: true
  by artist: Kartky
  in album: Depresja
    type: MusicAlbum
    date published: 2023-12-25
track: Caravaggio
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290704
  explicit: true
  by artist: Kartky
  in album: Depresja
    type: MusicAlbum
    date published: 2023-12-25
track: Pora Mgieł
  type: MusicRecording
  duration: PT5M21S
  duration ms: 321391
  explicit: true
  by artist: Kartky
  in album: Depresja
    type: MusicAlbum
    date published: 2023-12-25
track: Zabawa w ciebie
  type: MusicRecording
  duration: PT4M12S
  duration ms: 252432
  explicit: true
  by artist: Kartky
  in album: Depresja
    type: MusicAlbum
    date published: 2023-12-25

daleko stąd
type: MusicAlbum
date published: 2024-07-03
track: daleko stąd
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235000
  explicit: true
  by artist: Kartky
  in album: daleko stąd
    type: MusicAlbum
    date published: 2024-07-03

kształt wody
type: MusicAlbum
date published: 2024-09-15
track: kształt wody
  type: MusicRecording
  duration: PT4M33S
  duration ms: 273644
  explicit: true
  by artist: Kartky
  in album: kształt wody
    type: MusicAlbum
    date published: 2024-09-15

Vintage
type: MusicAlbum
date published: 2024-10-22
track: Vintage
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253793
  explicit: true
  by artist: Kartky
  in album: Vintage
    type: MusicAlbum
    date published: 2024-10-22

Depresja (Acoustic)
type: MusicAlbum
date published: 2024-11-01
track: Depresja - Acoustic
  type: MusicRecording
  duration: PT5M56S
  duration ms: 356129
  explicit: true
  by artist: Kartky
  in album: Depresja (Acoustic)
    type: MusicAlbum
    date published: 2024-11-01

Sandman
type: MusicAlbum
date published: 2024-12-06
track: Sandman
  type: MusicRecording
  duration: PT5M11S
  duration ms: 311794
  explicit: true
  by artist: Kartky
  in album: Sandman
    type: MusicAlbum
    date published: 2024-12-06

MUZYKA KOŃCA ŚWIATA
type: MusicAlbum
date published: 2025-01-17
track: yokai
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193000
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17
track: ptsd
  type: MusicRecording
  duration: PT5M42S
  duration ms: 342000
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17
track: chmury
  type: MusicRecording
  duration: PT4M49S
  duration ms: 289250
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17
track: muzyka końca świata
  type: MusicRecording
  duration: PT4M52S
  duration ms: 292000
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17
track: daleko stąd
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235000
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17
track: Depresja - Acoustic
  type: MusicRecording
  duration: PT5M56S
  duration ms: 356129
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17
track: Sandman
  type: MusicRecording
  duration: PT5M11S
  duration ms: 311794
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17
track: Vintage
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253793
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17
track: psychomachia
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182000
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17
track: slavic winter
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187086
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17
track: vantablack
  type: MusicRecording
  duration: PT4M8S
  duration ms: 248888
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17
track: wakacje z duchami
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210000
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17
track: kształt wody
  type: MusicRecording
  duration: PT4M33S
  duration ms: 273644
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17
track: vintage - acoustic
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234482
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17
track: tam, gdzie zawracają wrony
  type: MusicRecording
  duration: PT1M47S
  duration ms: 107755
  explicit: true
  by artist: Kartky
  in album: MUZYKA KOŃCA ŚWIATA
    type: MusicAlbum
    date published: 2025-01-17

Krotkowzroczność
type: MusicRecording
duration: PT4M22S
duration ms: 262886
explicit: false
by artist: Deys
by artist: Kartky
in album: Roku pora piąta
  type: MusicAlbum
  date published: 2016-11-25
isrc code: PLF241603689
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T22:32:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7dd6aa497f160b062a503d6ce4c7e903de71e87ab0fbc38268be03264134ef50
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4qR3IGw24GRZTIEZQwI1PU.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4qR3IGw24GRZTIEZQwI1PU
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7dd6aa497f160b062a503d6ce4c7e903de71e87ab0fbc38268be03264134ef50","isrc":"PLF241603689","name":"Krotkowzroczność","registered_at":"2026-06-18T22:32:37Z","spotify_id":"4qR3IGw24GRZTIEZQwI1PU","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7dd6aa497f160b062a503d6ce4c7e903de71e87ab0fbc38268be03264134ef50. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4qR3IGw24GRZTIEZQwI1PU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4qR3IGw24GRZTIEZQwI1PU.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x7dd6aa497f160b062a503d6ce4c7e903de71e87ab0fbc38268be03264134ef50","isrc":"PLF241603689","name":"Krotkowzroczność","registered_at":"2026-06-18T22:32:37Z","spotify_id":"4qR3IGw24GRZTIEZQwI1PU","type":"track"}

Oriencik
type: MusicRecording
duration: PT5M7S
duration ms: 307656
explicit: false
by artist: przyłu
by artist: Przyłu & VBS
by artist: VBS
by artist: Kartky
in album: Stowarzyszenie umarłych raperów
  type: MusicAlbum
  date published: 2019-04-12
isrc code: PLV402301545
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T17:50:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc9817c61648a6f7f4402bef789e07aebcbaee3a1150c59dd550f4cb9133f5e19
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/57GmtfCbzDcrYz3hoZ1ik1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/57GmtfCbzDcrYz3hoZ1ik1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xc9817c61648a6f7f4402bef789e07aebcbaee3a1150c59dd550f4cb9133f5e19. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/57GmtfCbzDcrYz3hoZ1ik1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/57GmtfCbzDcrYz3hoZ1ik1.
  date published: 2026-07-02T03:30:09Z

Bodźce
type: MusicRecording
duration: PT4M35S
duration ms: 275042
explicit: false
by artist: Lanek
by artist: PlanBe
by artist: Kartky
in album: Fantasmagoria
  type: MusicAlbum
  date published: 2016-03-11
isrc code: PLF241602361

Sumienie
type: MusicRecording
duration: PT1M42S
duration ms: 102335
explicit: false
by artist: Kartky
in album: Gościnnie na kanale SB Maffija (Bootleg 2014 - 2016)
  type: MusicAlbum
  date published: 2016-07-12
isrc code: PLI362786180

Pan śmierć
type: MusicRecording
duration: PT3M2S
duration ms: 182165
explicit: false
by artist: Kartky
in album: Gościnnie na kanale SB Maffija (Bootleg 2014 - 2016)
  type: MusicAlbum
  date published: 2016-07-12
isrc code: PLI362786170

Revelation
type: MusicRecording
duration: PT2M41S
duration ms: 161875
explicit: false
by artist: Kartky
in album: Gościnnie na kanale SB Maffija (Bootleg 2014 - 2016)
  type: MusicAlbum
  date published: 2016-07-12
isrc code: PLI362786190

Stempel Call
type: MusicRecording
duration: PT5M50S
duration ms: 350973
explicit: false
by artist: Deys
by artist: Kartky
in album: Tape of the Ninja
  type: MusicAlbum
  date published: 2017-12-08
isrc code: PLF241705422
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T16:38:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x065f1f105d07ca1f4b611ac3836f864f5d8b498f91002a1a5d5fb7cd9cccbc6e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3WaBXgVWJU8hNypv74FVJs.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3WaBXgVWJU8hNypv74FVJs
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x065f1f105d07ca1f4b611ac3836f864f5d8b498f91002a1a5d5fb7cd9cccbc6e","isrc":"PLF241705422","name":"Stempel Call","registered_at":"2026-06-23T16:38:00Z","spotify_id":"3WaBXgVWJU8hNypv74FVJs","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x065f1f105d07ca1f4b611ac3836f864f5d8b498f91002a1a5d5fb7cd9cccbc6e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3WaBXgVWJU8hNypv74FVJs.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3WaBXgVWJU8hNypv74FVJs.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x065f1f105d07ca1f4b611ac3836f864f5d8b498f91002a1a5d5fb7cd9cccbc6e","isrc":"PLF241705422","name":"Stempel Call","registered_at":"2026-06-23T16:38:00Z","spotify_id":"3WaBXgVWJU8hNypv74FVJs","type":"track"}

Narkodancing
type: MusicRecording
duration: PT5M22S
duration ms: 322519
explicit: false
by artist: Hashashins
by artist: Deys
by artist: Karian
by artist: Feno
by artist: Frank
by artist: AyamCamani
by artist: Kartky
in album: Narkodancing
  type: MusicAlbum
  date published: 2020-07-24
isrc code: PLF242007138
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T04:55:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2821b36afd68b614c258965413c5ebd81ef87340c54fe96a3f1baa1d0f9fb7be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5YWzOZ2JqXu7Nf2oQLtspN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5YWzOZ2JqXu7Nf2oQLtspN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2821b36afd68b614c258965413c5ebd81ef87340c54fe96a3f1baa1d0f9fb7be. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5YWzOZ2JqXu7Nf2oQLtspN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5YWzOZ2JqXu7Nf2oQLtspN.
  date published: 2026-07-02T03:55:08Z

Koszmar minionego lata - Live Act
type: MusicRecording
duration: PT3M39S
duration ms: 219789
explicit: false
by artist: Kartky
by artist: Deys
in album: Koszmar minionego lata (Live Act)
  type: MusicAlbum
  date published: 2020-07-03
isrc code: PLF242007132
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T22:29:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf9b431da8ce33a3d321a123db52684bcf4ddb5313a0d2328f265c50cbbf5849c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3KjMA94K63z04vL1RlC7H2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KjMA94K63z04vL1RlC7H2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf9b431da8ce33a3d321a123db52684bcf4ddb5313a0d2328f265c50cbbf5849c","isrc":"PLF242007132","name":"Koszmar minionego lata - Live Act","registered_at":"2026-06-10T22:29:31Z","spotify_id":"3KjMA94K63z04vL1RlC7H2","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf9b431da8ce33a3d321a123db52684bcf4ddb5313a0d2328f265c50cbbf5849c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3KjMA94K63z04vL1RlC7H2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3KjMA94K63z04vL1RlC7H2.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xf9b431da8ce33a3d321a123db52684bcf4ddb5313a0d2328f265c50cbbf5849c","isrc":"PLF242007132","name":"Koszmar minionego lata - Live Act","registered_at":"2026-06-10T22:29:31Z","spotify_id":"3KjMA94K63z04vL1RlC7H2","type":"track"}

Narkodancing
type: MusicRecording
duration: PT5M22S
duration ms: 322519
explicit: false
by artist: Hashashins
by artist: Deys
by artist: Karian
by artist: Feno
by artist: AyamCamani
by artist: Frank
by artist: Kartky
in album: FRONT
  type: MusicAlbum
  date published: 2020-10-16
isrc code: PLF242007138
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T04:55:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2821b36afd68b614c258965413c5ebd81ef87340c54fe96a3f1baa1d0f9fb7be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6PUB8fCaC0H29HdK8vkvz2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6PUB8fCaC0H29HdK8vkvz2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2821b36afd68b614c258965413c5ebd81ef87340c54fe96a3f1baa1d0f9fb7be. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6PUB8fCaC0H29HdK8vkvz2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6PUB8fCaC0H29HdK8vkvz2.
  date published: 2026-07-02T03:55:08Z

Koszmar minionego lata - Live Act
type: MusicRecording
duration: PT3M39S
duration ms: 219789
explicit: false
by artist: Kartky
by artist: Deys
in album: FRONT
  type: MusicAlbum
  date published: 2020-10-16
isrc code: PLF242007132
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T22:29:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf9b431da8ce33a3d321a123db52684bcf4ddb5313a0d2328f265c50cbbf5849c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4usoUBtCnlPCwHrcXqvg3d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4usoUBtCnlPCwHrcXqvg3d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf9b431da8ce33a3d321a123db52684bcf4ddb5313a0d2328f265c50cbbf5849c","isrc":"PLF242007132","name":"Koszmar minionego lata - Live Act","registered_at":"2026-06-10T22:29:31Z","spotify_id":"4usoUBtCnlPCwHrcXqvg3d","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf9b431da8ce33a3d321a123db52684bcf4ddb5313a0d2328f265c50cbbf5849c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4usoUBtCnlPCwHrcXqvg3d.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4usoUBtCnlPCwHrcXqvg3d.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xf9b431da8ce33a3d321a123db52684bcf4ddb5313a0d2328f265c50cbbf5849c","isrc":"PLF242007132","name":"Koszmar minionego lata - Live Act","registered_at":"2026-06-10T22:29:31Z","spotify_id":"4usoUBtCnlPCwHrcXqvg3d","type":"track"}

niebo
type: MusicRecording
duration: PT3M31S
duration ms: 211000
explicit: false
by artist: Kartky
by artist: Karol Krupiak
by artist: D3W
in album: niebo
  type: MusicAlbum
  date published: 2022-09-04
isrc code: PLF242209824
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T20:47:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6c775baaa282858667480ce476fd8b8e45f588f345001dea1e6010b662cdd8fb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4PchxA0Smr1cJcHbw5ouIu.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4PchxA0Smr1cJcHbw5ouIu
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6c775baaa282858667480ce476fd8b8e45f588f345001dea1e6010b662cdd8fb. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4PchxA0Smr1cJcHbw5ouIu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4PchxA0Smr1cJcHbw5ouIu.
  date published: 2026-06-13T13:32:09Z

Pętla
type: MusicRecording
duration: PT4M56S
duration ms: 296000
explicit: false
by artist: Filipek
by artist: Kartky
in album: Następny do piekła
  type: MusicAlbum
  date published: 2019-03-29
isrc code: PLV401900396
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T19:17:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcb32a56b81cd7dec94fe8701177baae0cc906cb6e919d72c841fce29754838ca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4lDyyA6u6b3vt612N9Ks2c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4lDyyA6u6b3vt612N9Ks2c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcb32a56b81cd7dec94fe8701177baae0cc906cb6e919d72c841fce29754838ca","isrc":"PLV401900396","name":"Pętla","registered_at":"2026-06-09T19:17:37Z","spotify_id":"4lDyyA6u6b3vt612N9Ks2c","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xcb32a56b81cd7dec94fe8701177baae0cc906cb6e919d72c841fce29754838ca. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4lDyyA6u6b3vt612N9Ks2c.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4lDyyA6u6b3vt612N9Ks2c.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xcb32a56b81cd7dec94fe8701177baae0cc906cb6e919d72c841fce29754838ca","isrc":"PLV401900396","name":"Pętla","registered_at":"2026-06-09T19:17:37Z","spotify_id":"4lDyyA6u6b3vt612N9Ks2c","type":"track"}

nie zabijaj mnie (feat. Dariusz Odija)
type: MusicRecording
duration: PT4M14S
duration ms: 254117
explicit: false
by artist: Kartky
by artist: Leśny
by artist: Newlight$
by artist: Dariusz Odija
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242208839
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T14:33:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xae30ca6fb78b915e8e9f923f44aa86a5da85ac6d15fa965851b795559804ad15
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3akDkAGRQzXed8GtEEIc2N.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3akDkAGRQzXed8GtEEIc2N
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xae30ca6fb78b915e8e9f923f44aa86a5da85ac6d15fa965851b795559804ad15","isrc":"PLF242208839","name":"nie zabijaj mnie (feat. Dariusz Odija)","registered_at":"2026-06-23T14:33:01Z","spotify_id":"3akDkAGRQzXed8GtEEIc2N","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xae30ca6fb78b915e8e9f923f44aa86a5da85ac6d15fa965851b795559804ad15. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3akDkAGRQzXed8GtEEIc2N.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3akDkAGRQzXed8GtEEIc2N.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xae30ca6fb78b915e8e9f923f44aa86a5da85ac6d15fa965851b795559804ad15","isrc":"PLF242208839","name":"nie zabijaj mnie (feat. Dariusz Odija)","registered_at":"2026-06-23T14:33:01Z","spotify_id":"3akDkAGRQzXed8GtEEIc2N","type":"track"}

NOIR (listopadowy mrok)
type: MusicRecording
duration: PT1M58S
duration ms: 118144
explicit: false
by artist: Kartky
by artist: Mateusz Kołakowski
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242208840
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T11:32:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0230bcdc04f806eac3f3ac959d52d3bfad38d74618e9bb537483294097d02de8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1ZoyN0w96IiZ3GVNalBbVB.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ZoyN0w96IiZ3GVNalBbVB
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0230bcdc04f806eac3f3ac959d52d3bfad38d74618e9bb537483294097d02de8","isrc":"PLF242208840","name":"NOIR (listopadowy mrok)","registered_at":"2026-06-20T11:32:34Z","spotify_id":"1ZoyN0w96IiZ3GVNalBbVB","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0230bcdc04f806eac3f3ac959d52d3bfad38d74618e9bb537483294097d02de8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ZoyN0w96IiZ3GVNalBbVB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ZoyN0w96IiZ3GVNalBbVB.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x0230bcdc04f806eac3f3ac959d52d3bfad38d74618e9bb537483294097d02de8","isrc":"PLF242208840","name":"NOIR (listopadowy mrok)","registered_at":"2026-06-20T11:32:34Z","spotify_id":"1ZoyN0w96IiZ3GVNalBbVB","type":"track"}

przyjacielu
type: MusicRecording
duration: PT3M31S
duration ms: 211200
explicit: false
by artist: Kartky
by artist: Leśny
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242208841
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T17:43:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x79a71b505944b60ed48441fb6caa2ff35cbf7ab338fb1a057a0540e768d133b1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7z78SEdq6oJ2OZxsF8Xr41.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7z78SEdq6oJ2OZxsF8Xr41
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x79a71b505944b60ed48441fb6caa2ff35cbf7ab338fb1a057a0540e768d133b1. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7z78SEdq6oJ2OZxsF8Xr41.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7z78SEdq6oJ2OZxsF8Xr41.
  date published: 2026-06-13T13:32:09Z

mroczna wieża
type: MusicRecording
duration: PT2M59S
duration ms: 179555
explicit: false
by artist: Kartky
by artist: Premixm
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242208842
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T16:36:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4516cb607ed2cba0e729946b894e6cfc609842112eaf59174d96b5f5eca7fe39
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/07K0OwMI0zDuB7RCjDMGRW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/07K0OwMI0zDuB7RCjDMGRW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4516cb607ed2cba0e729946b894e6cfc609842112eaf59174d96b5f5eca7fe39","isrc":"PLF242208842","name":"mroczna wieża","registered_at":"2026-06-19T16:36:45Z","spotify_id":"07K0OwMI0zDuB7RCjDMGRW","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4516cb607ed2cba0e729946b894e6cfc609842112eaf59174d96b5f5eca7fe39. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/07K0OwMI0zDuB7RCjDMGRW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/07K0OwMI0zDuB7RCjDMGRW.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x4516cb607ed2cba0e729946b894e6cfc609842112eaf59174d96b5f5eca7fe39","isrc":"PLF242208842","name":"mroczna wieża","registered_at":"2026-06-19T16:36:45Z","spotify_id":"07K0OwMI0zDuB7RCjDMGRW","type":"track"}

NIKT
type: MusicRecording
duration: PT4M30S
duration ms: 270416
explicit: false
by artist: Kartky
by artist: Ramzes
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242108708
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T10:22:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd7dbdfe0686a11ddf36aff42c6964f9a5de7375f8d6ab2b214bb23dd55d7fefb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2qYUFsni2C3ycO6dcVSJpN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qYUFsni2C3ycO6dcVSJpN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd7dbdfe0686a11ddf36aff42c6964f9a5de7375f8d6ab2b214bb23dd55d7fefb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2qYUFsni2C3ycO6dcVSJpN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qYUFsni2C3ycO6dcVSJpN.
  date published: 2026-06-13T15:41:10Z

strach
type: MusicRecording
duration: PT2M53S
duration ms: 173195
explicit: false
by artist: Kartky
by artist: Worek
by artist: Leśny
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242208843
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T20:18:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa115696d77789aa68d7f8a51b86c2cdcafd4d5e2f5a4d4656d44001866b3c88e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6szwrzMVIxrjxc15QDWBjY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6szwrzMVIxrjxc15QDWBjY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa115696d77789aa68d7f8a51b86c2cdcafd4d5e2f5a4d4656d44001866b3c88e. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6szwrzMVIxrjxc15QDWBjY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6szwrzMVIxrjxc15QDWBjY.
  date published: 2026-06-13T17:25:41Z

siedem smutnych lat (feat. Foxs)
type: MusicRecording
duration: PT3M32S
duration ms: 212272
explicit: false
by artist: Kartky
by artist: ADZ
by artist: Leśny
by artist: Foxs
in album: księga jesiennych demonów
  type: MusicAlbum
  date published: 2022-02-11
isrc code: PLF242208812
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T09:06:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa4f1756869831e72b6dff21702d6169a261895ade0ddf5a72e87ac7572f4bd6f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2dA6RCF9nB3v4krVf60DSR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dA6RCF9nB3v4krVf60DSR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa4f1756869831e72b6dff21702d6169a261895ade0ddf5a72e87ac7572f4bd6f","isrc":"PLF242208812","name":"siedem smutnych lat (feat. Foxs)","registered_at":"2026-06-07T09:06:22Z","spotify_id":"2dA6RCF9nB3v4krVf60DSR","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa4f1756869831e72b6dff21702d6169a261895ade0ddf5a72e87ac7572f4bd6f. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2dA6RCF9nB3v4krVf60DSR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2dA6RCF9nB3v4krVf60DSR.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0xa4f1756869831e72b6dff21702d6169a261895ade0ddf5a72e87ac7572f4bd6f","isrc":"PLF242208812","name":"siedem smutnych lat (feat. Foxs)","registered_at":"2026-06-07T09:06:22Z","spotify_id":"2dA6RCF9nB3v4krVf60DSR","type":"track"}