Roman Vicha
type: MusicGroup
popularity: 10
followers: 38
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xafbbcf5025a6c422b898ad9777cc7c22222bb1f65273e79a073be6f757ab9899
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/685027b5-f4ed-4bfe-9531-793aea06723a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/685027b5-f4ed-4bfe-9531-793aea06723a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/685027b5-f4ed-4bfe-9531-793aea06723a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xafbbcf5025a6c422b898ad9777cc7c22222bb1f65273e79a073be6f757ab9899","name":"Roman Vicha","registered_at":"2026-06-17T02:00:55Z","symbol":"NIM1245911","token_address":"0xbdc121eb4447ad7ed528e48e352f09ca922d5f25","type":"artist","uuid":"685027b5-f4ed-4bfe-9531-793aea06723a"}
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 0xafbbcf5025a6c422b898ad9777cc7c22222bb1f65273e79a073be6f757ab9899. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/685027b5-f4ed-4bfe-9531-793aea06723a.json and https://artists.proofprofile.net/proofs/artist/685027b5-f4ed-4bfe-9531-793aea06723a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xafbbcf5025a6c422b898ad9777cc7c22222bb1f65273e79a073be6f757ab9899","name":"Roman Vicha","registered_at":"2026-06-17T02:00:55Z","symbol":"NIM1245911","token_address":"0xbdc121eb4447ad7ed528e48e352f09ca922d5f25","type":"artist","uuid":"685027b5-f4ed-4bfe-9531-793aea06723a"}
album: Řeka
  type: MusicAlbum
  date published: 2020-11-06
  track: Białe konie
    type: MusicRecording
    duration: PT6M55S
    duration ms: 415346
    explicit: false
    by artist: Lenka Dusilová
    by artist: Dorota Barová
    by artist: Jiří Slavík
    by artist: Miloš Dvořáček
    by artist: Petr Ostrouchov
    by artist: Matěj Belko
    by artist: Martin Brunner
    by artist: Roman Vicha
    by artist: Milan Cimfe
    in album: Řeka
      type: MusicAlbum
      date published: 2020-11-06
    isrc code: CZB872005001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-24T17:17:11+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe8110385413f25ecb17e4c1b84348a12674031ff4a34dcb50810fa1402a23f4a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956304
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956304
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872005001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8110385413f25ecb17e4c1b84348a12674031ff4a34dcb50810fa1402a23f4a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872005001.
      date published: 2026-07-02T03:55:08Z
  track: Vojsko
    type: MusicRecording
    duration: PT6M16S
    duration ms: 376000
    explicit: false
    by artist: Lenka Dusilová
    by artist: Marcel Bárta
    by artist: Jiří Slavík
    by artist: Thomas Bloch
    by artist: Matěj Belko
    by artist: Martin Brunner
    by artist: Roman Vicha
    by artist: Petr Ostrouchov
    by artist: Milan Cimfe
    in album: Řeka
      type: MusicAlbum
      date published: 2020-11-06
    isrc code: CZB872005002
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T05:13:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc50e062bcaf6ce18ea46d3946ab455703bca346380175f3c56d231e5f67676b7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956889
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956889
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872005002
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T06:56:49Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc50e062bcaf6ce18ea46d3946ab455703bca346380175f3c56d231e5f67676b7. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872005002.
      date published: 2026-07-06T06:56:49Z
  track: Panenka maria: sádrové lepidlo
    type: MusicRecording
    duration: PT5M9S
    duration ms: 309813
    explicit: false
    by artist: Lenka Dusilová
    by artist: Petr Ostrouchov
    by artist: Thomas Bloch
    in album: Řeka
      type: MusicAlbum
      date published: 2020-11-06
    isrc code: CZB872005003
  track: Dna
    type: MusicRecording
    duration: PT6M50S
    duration ms: 410173
    explicit: false
    by artist: Lenka Dusilová
    by artist: Roman Vicha
    by artist: Matěj Belko
    by artist: Martin Brunner
    by artist: Vojtěch Procházka
    by artist: Petr Ostrouchov
    by artist: Oskar Török
    in album: Řeka
      type: MusicAlbum
      date published: 2020-11-06
    isrc code: CZB872005004
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-27T09:22:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9d1fe67793d301b2733a7c7aa84fdef2ae959c41c5715e30b7378fa5163398e3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956349
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956349
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872005004
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T11:34:59Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d1fe67793d301b2733a7c7aa84fdef2ae959c41c5715e30b7378fa5163398e3. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872005004.
      date published: 2026-07-02T11:34:59Z
  track: Vlákna
    type: MusicRecording
    duration: PT4M50S
    duration ms: 290800
    explicit: false
    by artist: Lenka Dusilová
    by artist: Miloš Dvořáček
    by artist: Matěj Belko
    by artist: Martin Brunner
    by artist: Petr Ostrouchov
    by artist: Josef Štěpánek
    by artist: Roman Vicha
    in album: Řeka
    isrc code: CZB872005005
    additional property: CopyrightID
    additional property: CopyrightStatus
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: Tremolo
  track: Řeka
  track: Hlubina
  track: Insomnia
  track: Tma
album: Padesátka (Original Soundtrack)
album: Toxique
album: Břehy
album: Songs for Orchestra

Lenka Dusilová
type: MusicGroup

Miloš Dvořáček
type: MusicGroup

Matěj Belko
type: MusicGroup

Martin Brunner
type: MusicGroup

Petr Ostrouchov
type: MusicGroup

Josef Štěpánek
type: MusicGroup

Roman Vicha
type: MusicGroup

Řeka
type: MusicAlbum
date published: 2020-11-06

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-23T13:14:19+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x8e5920bd1dbea80767bba8354b789737cb1a6f8e274ce4d3710d855f56a44303

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956312

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872005005

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

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e5920bd1dbea80767bba8354b789737cb1a6f8e274ce4d3710d855f56a44303. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872005005.
date published: 2026-07-02T05:09:12Z

Tremolo
type: MusicRecording
duration: PT6M44S
duration ms: 404786
explicit: false
by artist: Lenka Dusilová
by artist: Petr Ostrouchov
in album: Řeka
  type: MusicAlbum
  date published: 2020-11-06
isrc code: CZB872005006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:18:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb49e7c1daba6fd4750d6a40c7ebc1f49f7986bd0fdedf34f0b02df31cfd0a3f5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872005006
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb49e7c1daba6fd4750d6a40c7ebc1f49f7986bd0fdedf34f0b02df31cfd0a3f5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872005006.
  date published: 2026-07-08T03:20:19Z

Řeka
type: MusicRecording
duration: PT7M49S
duration ms: 469466
explicit: false
by artist: Lenka Dusilová
by artist: Miloš Dvořáček
by artist: Roman Vicha
by artist: Matěj Belko
by artist: Petr Ostrouchov
by artist: Josef Štěpánek
by artist: Martin Brunner
by artist: Štěpánka Balcarová
by artist: Concept Art Orchestra
in album: Řeka
  type: MusicAlbum
  date published: 2020-11-06
isrc code: CZB872005007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T10:38:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ab73df612d4da6279c79ea45609c39bfc9ebec374449149b770b978bc20490a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872005007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ab73df612d4da6279c79ea45609c39bfc9ebec374449149b770b978bc20490a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872005007.
  date published: 2026-07-02T03:55:08Z

Hlubina
type: MusicRecording
duration: PT3M57S
duration ms: 237573
explicit: false
by artist: Lenka Dusilová
in album: Řeka
  type: MusicAlbum
  date published: 2020-11-06
isrc code: CZB872005008

Insomnia
type: MusicRecording
duration: PT4M30S
duration ms: 270000
explicit: false
by artist: Lenka Dusilová
by artist: Roman Vicha
by artist: Matěj Belko
by artist: Petr Ostrouchov
by artist: Martin Brunner
in album: Řeka
  type: MusicAlbum
  date published: 2020-11-06
isrc code: CZB872005009

Tma
type: MusicRecording
duration: PT13M59S
duration ms: 839000
explicit: false
by artist: Lenka Dusilová
by artist: Monika Načeva
by artist: Iva Bittová
by artist: Matěj Belko
by artist: Roman Vicha
by artist: Vojtěch Procházka
by artist: Martin Brunner
by artist: Marcel Bárta
by artist: Beata Hlavenková
by artist: Petr Ostrouchov
by artist: Oskar Török
by artist: Viliam Beres
in album: Řeka
  type: MusicAlbum
  date published: 2020-11-06
isrc code: CZB872005010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T09:09:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a944867bddbf8ea3e2586c2da2370c28cf9dbf5a9505d6c0b1097f5a1f9b871
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872005010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a944867bddbf8ea3e2586c2da2370c28cf9dbf5a9505d6c0b1097f5a1f9b871. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZB872005010.
  date published: 2026-07-02T05:09:12Z

Padesátka (Original Soundtrack)
type: MusicAlbum
date published: 2015-12-18
track: Óda Na Krakonoše
  type: MusicRecording
  duration: PT1M4S
  duration ms: 64239
  explicit: false
  by artist: Matěj Belko
  in album: Padesátka (Original Soundtrack)
    type: MusicAlbum
    date published: 2015-12-18
track: Na Tři Krále Platí Jediný Heslo "Kurva + Musíš + Běžet"
  type: MusicRecording
  duration: PT0M10S
  duration ms: 10800
  explicit: false
  by artist: Ondřej Pavelka
  in album: Padesátka (Original Soundtrack)
    type: MusicAlbum
    date published: 2015-12-18
track: Bežky
  type: MusicRecording
  duration: PT6M8S
  duration ms: 368426
  explicit: false
  by artist: Monikino Kino
  in album: Padesátka (Original Soundtrack)
    type: MusicAlbum
    date published: 2015-12-18
  isrc code: SKE011406511
track: Nepůjdeme Dnes Do Labužníka?
  type: MusicRecording
  duration: PT0M16S
  duration ms: 16706
  explicit: false
  by artist: Karolína Vágnerová
  by artist: Anna Fialová
  in album: Padesátka (Original Soundtrack)
    type: MusicAlbum
    date published: 2015-12-18
track: Robinson
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192426
  explicit: false
  by artist: Jiří Korn
  in album: Padesátka (Original Soundtrack)
    type: MusicAlbum
    date published: 2015-12-18
  isrc code: CZA167700002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T13:33:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x47d98c8333f9d337c6f7dbf0c135cb4329da7e3db2958446c0e87b005a88dbaf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167700002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47d98c8333f9d337c6f7dbf0c135cb4329da7e3db2958446c0e87b005a88dbaf. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167700002.
    date published: 2026-07-08T03:53:27Z
track: Tomu Ty Kamaše Dost Seděj
  type: MusicRecording
  duration: PT0M18S
  duration ms: 18693
  explicit: false
  by artist: Anna Linhartová
  by artist: Eliška Křenková
  in album: Padesátka (Original Soundtrack)
    type: MusicAlbum
    date published: 2015-12-18
track: Potulný Hráč
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238933
  explicit: false
  by artist: Václav Neckář
  in album: Padesátka (Original Soundtrack)
    type: MusicAlbum
    date published: 2015-12-18
  isrc code: CZA167700003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T07:05:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xebd2950429fd201e2ee1477a87f5cbfa90a21c4e9c420fb72f4c9603c2bf2276
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167700003
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebd2950429fd201e2ee1477a87f5cbfa90a21c4e9c420fb72f4c9603c2bf2276. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA167700003.
    date published: 2026-07-08T03:22:41Z
track: Vasův Běh
  type: MusicRecording
  duration: PT0M31S
  duration ms: 31013
  explicit: false
  by artist: Ondřej Pavelka
  by artist: Jakub Prachar
  in album: Padesátka (Original Soundtrack)
    type: MusicAlbum
    date published: 2015-12-18
  isrc code: CZA161505054
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T20:25:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3dc22150b28410a6a8463058d289f67b3d75c6027867f0b7e0b538489d110eec
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161505054
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dc22150b28410a6a8463058d289f67b3d75c6027867f0b7e0b538489d110eec. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161505054.
    date published: 2026-07-08T08:56:20Z
track: Dééééntz!
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179026
  explicit: false
  by artist: Th!s
  in album: Padesátka (Original Soundtrack)
    type: MusicAlbum
    date published: 2015-12-18
  isrc code: CZA161505055
track: Famfulíček
  type: MusicRecording
  duration: PT0M20S
  duration ms: 20120
  explicit: false
  by artist: Jiri Madl
  in album: Padesátka (Original Soundtrack)
    type: MusicAlbum
    date published: 2015-12-18
track: Duhová Víla
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166240
  explicit: false
  by artist: Hana Zagorová
  by artist: Petr Rezek
  in album: Padesátka (Original Soundtrack)
    type: MusicAlbum
    date published: 2015-12-18
track: Mně Se Ženský V Nížinách Nelíběj
track: Běž!
track: Proflusává Mlhu
track: Máš Chuť Majoránky
track: Lež, To Je Velmi Smutná Náhražka Za Pravdu
track: Turn Me On
track: Szukamy Drogi
track: Ty Těm Ženskejm Vyháníš Mráz Z Jejich Duše
track: Love Bez E
track: Outsider Waltz
track: Takovej Horskej Humor!
track: Padesátka
track: Až Do Cíle, Táto

Mně Se Ženský V Nížinách Nelíběj
type: MusicRecording
duration: PT0M10S
duration ms: 10173
explicit: false
by artist: Jakub Prachar
in album: Padesátka (Original Soundtrack)
  type: MusicAlbum
  date published: 2015-12-18

Běž!
type: MusicRecording
duration: PT3M36S
duration ms: 216746
explicit: false
by artist: Ezy Hýbl
in album: Padesátka (Original Soundtrack)
  type: MusicAlbum
  date published: 2015-12-18

Proflusává Mlhu
type: MusicRecording
duration: PT0M22S
duration ms: 22360
explicit: false
by artist: Jakub Prachar
by artist: Marek Taclík
in album: Padesátka (Original Soundtrack)
  type: MusicAlbum
  date published: 2015-12-18

Máš Chuť Majoránky
type: MusicRecording
duration: PT3M17S
duration ms: 197853
explicit: false
by artist: Karel Zich
in album: Padesátka (Original Soundtrack)
  type: MusicAlbum
  date published: 2015-12-18
isrc code: CZA168100002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:36:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d8a6bbd4fca76b3fea2cf78b646a4d5d004a40c2d1ca2e847d0c5346f1093d8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA168100002
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d8a6bbd4fca76b3fea2cf78b646a4d5d004a40c2d1ca2e847d0c5346f1093d8. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA168100002.
  date published: 2026-07-08T03:22:41Z

Lež, To Je Velmi Smutná Náhražka Za Pravdu
type: MusicRecording
duration: PT0M25S
duration ms: 25453
explicit: false
by artist: Ondřej Pavelka
by artist: Marek Taclík
in album: Padesátka (Original Soundtrack)
  type: MusicAlbum
  date published: 2015-12-18

Turn Me On
type: MusicRecording
duration: PT3M20S
duration ms: 200746
explicit: false
by artist: Toxique
in album: Padesátka (Original Soundtrack)
  type: MusicAlbum
  date published: 2015-12-18
isrc code: CZG591201005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:32:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa1de7d30c30ed8f59a688d5fcbdce894d7eaf1a1d01f5e51be3bfa5e513ce1c1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZG591201005
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1de7d30c30ed8f59a688d5fcbdce894d7eaf1a1d01f5e51be3bfa5e513ce1c1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZG591201005.
  date published: 2026-07-08T03:53:27Z

Szukamy Drogi
type: MusicRecording
duration: PT1M44S
duration ms: 104906
explicit: false
by artist: Doktor King
in album: Padesátka (Original Soundtrack)
  type: MusicAlbum
  date published: 2015-12-18
isrc code: CZA161505061
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:21:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x470a0856953175ffb16fd482feb848df86aa8fa036d5ce44a1264139c2a4ada5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161505061
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x470a0856953175ffb16fd482feb848df86aa8fa036d5ce44a1264139c2a4ada5. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161505061.
  date published: 2026-07-08T08:56:20Z

Ty Těm Ženskejm Vyháníš Mráz Z Jejich Duše
type: MusicRecording
duration: PT0M27S
duration ms: 27013
explicit: false
by artist: Jakub Prachar
by artist: Marek Taclík
in album: Padesátka (Original Soundtrack)
  type: MusicAlbum
  date published: 2015-12-18

Love Bez E
type: MusicRecording
duration: PT2M54S
duration ms: 174906
explicit: false
by artist: Matěj Belko
in album: Padesátka (Original Soundtrack)
  type: MusicAlbum
  date published: 2015-12-18

Outsider Waltz
type: MusicRecording
duration: PT3M6S
duration ms: 186200
explicit: false
by artist: Wabi Danek
in album: Padesátka (Original Soundtrack)
  type: MusicAlbum
  date published: 2015-12-18
isrc code: CZA168400008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T10:16:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7fbc6fce31366294456e7a1be4e6b06f77b60d940b5054e2825a1d8bd349aee7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA168400008
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fbc6fce31366294456e7a1be4e6b06f77b60d940b5054e2825a1d8bd349aee7. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA168400008.
  date published: 2026-07-08T08:56:20Z

Takovej Horskej Humor!
type: MusicRecording
duration: PT0M16S
duration ms: 16800
explicit: false
by artist: Ondřej Pavelka
by artist: Marek Taclík
by artist: Jakub Prachar
in album: Padesátka (Original Soundtrack)
  type: MusicAlbum
  date published: 2015-12-18

Padesátka
type: MusicRecording
duration: PT3M17S
duration ms: 197253
explicit: false
by artist: Michal Hruza
in album: Padesátka (Original Soundtrack)
  type: MusicAlbum
  date published: 2015-12-18
isrc code: CZA161544193
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:25:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x86a1e7dd422457d58fb4b19136355b2351ebacd1eca80789276cb21023c4b027
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161544193
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86a1e7dd422457d58fb4b19136355b2351ebacd1eca80789276cb21023c4b027. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161544193.
  date published: 2026-07-08T08:56:20Z

Až Do Cíle, Táto
type: MusicRecording
duration: PT3M7S
duration ms: 187120
explicit: false
by artist: Roman Vicha
by artist: Matěj Belko
in album: Padesátka (Original Soundtrack)
  type: MusicAlbum
  date published: 2015-12-18

Toxique
type: MusicAlbum
date published: 2008-09-30
track: Soul & Shine
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194840
  explicit: false
  by artist: Patrick Karpentski
  by artist: Roman Vicha
  by artist: Jan Lstiburek
  by artist: Klara Vytiskova
  by artist: Viliam Beres
  in album: Toxique
    type: MusicAlbum
    date published: 2008-09-30
track: Two Sides
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214040
  explicit: false
  by artist: Viliam Beres
  by artist: Patrick Karpentski
  by artist: Jan Ltsiburek
  by artist: Klara Vytiskova
  by artist: Roman Vicha
  in album: Toxique
    type: MusicAlbum
    date published: 2008-09-30
  isrc code: CZC520830002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T02:20:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf9e2fe084397aa55f609df30f7fb5b578f8cb7cd9eaf217c5e7db71232dc2a0a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZC520830002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9e2fe084397aa55f609df30f7fb5b578f8cb7cd9eaf217c5e7db71232dc2a0a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZC520830002.
    date published: 2026-07-08T03:20:19Z
track: Be Good
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218920
  explicit: false
  by artist: Patrick Karpentski
  by artist: Roman Vicha
  by artist: Klara Vytiskova
  by artist: Jan Lstiburek
  by artist: Viliam Beres
  in album: Toxique
    type: MusicAlbum
    date published: 2008-09-30
  isrc code: CZC520830003
track: Honey
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188480
  explicit: false
  by artist: Jan Lstiburek
  by artist: Viliam Beres
  by artist: Roman Vicha
  by artist: Klara Vytiskova
  by artist: Patrick Karpentski
  in album: Toxique
    type: MusicAlbum
    date published: 2008-09-30
  isrc code: CZC520830004
track: Clap Trap
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214693
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Toxique
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So Into You
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Story
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Way
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Two Sides (Radio Edit)
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Břehy
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Songs for Orchestra
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