Zdeněk Svěrák
type: MusicGroup
genre: children's music
popularity: 43
followers: 15652
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5833cb907a28067d96785b7efe28a290bf3fb4ec8d5d22ba4024ee66dc701db3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/90de83e1-7dc6-4897-97bf-bdcca3b4cfe4.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/90de83e1-7dc6-4897-97bf-bdcca3b4cfe4.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/90de83e1-7dc6-4897-97bf-bdcca3b4cfe4
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5833cb907a28067d96785b7efe28a290bf3fb4ec8d5d22ba4024ee66dc701db3","name":"Zdeněk Svěrák","registered_at":"2026-06-12T04:31:55Z","symbol":"NIM0187702","token_address":"0x6b1b8b0b87a696656a2bb1db028294ae16ac61cc","type":"artist","uuid":"90de83e1-7dc6-4897-97bf-bdcca3b4cfe4"}
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 0x5833cb907a28067d96785b7efe28a290bf3fb4ec8d5d22ba4024ee66dc701db3. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/90de83e1-7dc6-4897-97bf-bdcca3b4cfe4.json and https://artists.proofprofile.net/proofs/artist/90de83e1-7dc6-4897-97bf-bdcca3b4cfe4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x5833cb907a28067d96785b7efe28a290bf3fb4ec8d5d22ba4024ee66dc701db3","name":"Zdeněk Svěrák","registered_at":"2026-06-12T04:31:55Z","symbol":"NIM0187702","token_address":"0x6b1b8b0b87a696656a2bb1db028294ae16ac61cc","type":"artist","uuid":"90de83e1-7dc6-4897-97bf-bdcca3b4cfe4"}
album: Podzimní nálady, Vol. 2
  type: MusicAlbum
  date published: 2017-09-18
  track: Mlhavý Den
    type: MusicRecording
    duration: PT3M56S
    duration ms: 236682
    explicit: false
    by artist: Miroslav Šuba
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Snítka Jeřabin
    type: MusicRecording
    duration: PT2M51S
    duration ms: 171760
    explicit: false
    by artist: Eva Martinová
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Babí Léto
    type: MusicRecording
    duration: PT3M7S
    duration ms: 187698
    explicit: false
    by artist: Yvetta Simonová
    by artist: Milan Chladil
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Obraz V Kaluži
    type: MusicRecording
    duration: PT2M31S
    duration ms: 151186
    explicit: false
    by artist: Petr Spálený
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Jeřáby Rudé
    type: MusicRecording
    duration: PT2M47S
    duration ms: 167173
    explicit: false
    by artist: Eva Veškrnová
    by artist: Štěpán Mátl
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Žloutnou Už Trávy
    type: MusicRecording
    duration: PT3M22S
    duration ms: 202040
    explicit: false
    by artist: Greenhorns
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Jako Babí Léto
    type: MusicRecording
    duration: PT3M55S
    duration ms: 235853
    explicit: false
    by artist: Martha Elefteriadu
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Jabloňový List
    type: MusicRecording
    duration: PT3M10S
    duration ms: 190946
    explicit: false
    by artist: Jiří Schelinger
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Můj Stín Svítí Z Kaluží
    type: MusicRecording
    duration: PT4M2S
    duration ms: 242080
    explicit: false
    by artist: Eva Pilarová
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Podzim
    type: MusicRecording
    duration: PT3M33S
    duration ms: 213040
    explicit: false
    by artist: Karel Černoch
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Konec Léta
    type: MusicRecording
    duration: PT2M27S
    duration ms: 147666
    explicit: false
    by artist: Josef Zíma
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: V Loužích Láska Strádá
    type: MusicRecording
    duration: PT2M41S
    duration ms: 161497
    explicit: false
    by artist: Karel Zich
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Když Kvetou Ocúny
    type: MusicRecording
    duration: PT3M58S
    duration ms: 238293
    explicit: false
    by artist: Bob Frídl
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Vítám Slunce Ranní
    type: MusicRecording
    duration: PT3M17S
    duration ms: 197893
    explicit: false
    by artist: Martha Elefteriadu
    by artist: Tena Elefteriadu
    by artist: Dezo Ursiny
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Pozítří Končí Prázdniny
    type: MusicRecording
    duration: PT3M54S
    duration ms: 234440
    explicit: false
    by artist: Petr Rezek
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Čekej Mě, Lásko
    type: MusicRecording
    duration: PT4M10S
    duration ms: 250555
    explicit: false
    by artist: Jiří Korn
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
  track: Podzim Začíná
    type: MusicRecording
    duration: PT4M19S
    duration ms: 259706
    explicit: false
    by artist: ORM
    by artist: Kamelie
    in album: Podzimní nálady, Vol. 2
      type: MusicAlbum
      date published: 2017-09-18
    isrc code: CZA160606622
  track: Deštivý Den
  track: Zatímco Déšť Si V Listí Hrál
  track: Září
  track: Jabloně
  track: Jako Tenkrát
album: Nemit prachy - nevadi...
album: Zpevnik - Hodina zpevu 1987-2001
album: Zpevnik
album: …zažít krachy – nevadí!
album: Hlavne nesmi byti smutno
album: ...natoz aby se brecelo
album: Nemit srdce - vadi
album: ...aby bylo primo veselo
album: Ty Nejlepší Písničky V Novém Kabátě
album: Operky
album: Vanocni a nocni sny
album: Když se rozední
album: At smolarum je hej
album: Párty Na Kolečkách
album: Kolja (Original Soundtrack)
album: Ondřej Ruml zpívá Ježka, Voskovce a Wericha
album: Vratné Lahve (Original Soundtrack)
album: Mládek zpívá Svěráka a naopak
album: Po Strnisti Bos

Deštivý Den
type: MusicRecording
duration: PT2M55S
duration ms: 175933
explicit: false
by artist: Vera Martinova
in album: Podzimní nálady, Vol. 2
  type: MusicAlbum
  date published: 2017-09-18

Zatímco Déšť Si V Listí Hrál
type: MusicRecording
duration: PT4M2S
duration ms: 242960
explicit: false
by artist: Helena Vondráčková
by artist: Jiří Korn
in album: Podzimní nálady, Vol. 2
  type: MusicAlbum
  date published: 2017-09-18

Konec Léta
type: MusicRecording
duration: PT3M56S
duration ms: 236493
explicit: false
by artist: Jiří Helekal
in album: Podzimní nálady, Vol. 2
  type: MusicAlbum
  date published: 2017-09-18

Září
type: MusicRecording
duration: PT2M21S
duration ms: 141973
explicit: false
by artist: Mirko Ryvola
by artist: Nezmari
by artist: a přátelé
in album: Podzimní nálady, Vol. 2
  type: MusicAlbum
  date published: 2017-09-18

Září
type: MusicRecording
duration: PT2M35S
duration ms: 155626
explicit: false
by artist: Zdeněk Svěrák
in album: Podzimní nálady, Vol. 2
  type: MusicAlbum
  date published: 2017-09-18
isrc code: CZA161301804

Jabloně
type: MusicRecording
duration: PT2M26S
duration ms: 146133
explicit: false
by artist: Naše Věc
in album: Podzimní nálady, Vol. 2
  type: MusicAlbum
  date published: 2017-09-18

Jako Tenkrát
type: MusicRecording
duration: PT3M37S
duration ms: 217240
explicit: false
by artist: Hana Zagorová
in album: Podzimní nálady, Vol. 2
  type: MusicAlbum
  date published: 2017-09-18

Nemit prachy - nevadi...
type: MusicAlbum
date published: 2014-01-01
track: V Cudu
  type: MusicRecording
  duration: PT2M19S
  duration ms: 139066
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  by artist: skupina Mour
  in album: Nemit prachy - nevadi...
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: CZUM71400061
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T07:58:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x829a3038635bce588689511959f90c56ad90471f1da5403276389d30ba44d568
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957046
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957046
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400061
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T14:04:01Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x829a3038635bce588689511959f90c56ad90471f1da5403276389d30ba44d568. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400061.
    date published: 2026-07-07T14:04:01Z
track: Detske oddeleni
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193200
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  by artist: skupina Mour
  in album: Nemit prachy - nevadi...
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: CZUM71400062
track: Dravci
  type: MusicRecording
  duration: PT1M55S
  duration ms: 115066
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  by artist: skupina Little BIG COMPANY
  in album: Nemit prachy - nevadi...
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: CZUM71400063
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T22:25:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9f0146162fc8ad11cdf36aa94366b39e027f60b84a3a842aa4334a57c9c423f8
  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/CZUM71400063
  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 0x9f0146162fc8ad11cdf36aa94366b39e027f60b84a3a842aa4334a57c9c423f8. 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/CZUM71400063.
    date published: 2026-07-08T03:22:41Z
track: Pousmani
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157466
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  by artist: skupina Mour
  by artist: Eliska Uhlirova
  in album: Nemit prachy - nevadi...
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: CZUM71400072
track: Vodojem
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161306
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  by artist: skupina Mour
  in album: Nemit prachy - nevadi...
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: CZUM71400074
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T00:39:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xba6625496fe44ad2a937dabffa0a602f2b4959556b723ab08bce64a093ce1590
  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/CZUM71400074
  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 0xba6625496fe44ad2a937dabffa0a602f2b4959556b723ab08bce64a093ce1590. 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/CZUM71400074.
    date published: 2026-07-08T03:20:19Z
track: Cvrckovi ukradli houslicky
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162440
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  by artist: skupina Mour
  by artist: J. Sveceny
  in album: Nemit prachy - nevadi...
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: CZUM71400060
track: Kdyz si tata pohvizduje
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131426
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  by artist: skupina Little BIG COMPANY
  in album: Nemit prachy - nevadi...
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: CZUM71400065
track: Asfalter
  type: MusicRecording
  duration: PT1M56S
  duration ms: 116840
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  by artist: skupina Mour
  in album: Nemit prachy - nevadi...
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: CZUM71300157
  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: Mobil
track: Narovnej se
track: Zhubla Nina
track: Ninini
track: Jednoducha piskaci
track: Maskarni plesy
track: Psi sprezeni
track: Neprestavam
track: Maskarni plesy - Instrumental

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-07T04:42:41+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xad808953474972d93588337bcde7bc6a8d9b465cf564a4db51bfe843c89aef34

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71300157

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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 0xad808953474972d93588337bcde7bc6a8d9b465cf564a4db51bfe843c89aef34. 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/CZUM71300157.
date published: 2026-07-08T03:20:19Z

Mobil
type: MusicRecording
duration: PT2M58S
duration ms: 178546
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
by artist: skupina Mour
in album: Nemit prachy - nevadi...
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400068

Narovnej se
type: MusicRecording
duration: PT4M16S
duration ms: 256453
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
by artist: skupina Mour
in album: Nemit prachy - nevadi...
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400069
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:10:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x56332ab30ad1938d722e4c0652ddbd86a2b0f53f24837db6ed2108bfd651afd1
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/CZUM71400069
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 0x56332ab30ad1938d722e4c0652ddbd86a2b0f53f24837db6ed2108bfd651afd1. 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/CZUM71400069.
  date published: 2026-07-08T03:22:41Z

Zhubla Nina
type: MusicRecording
duration: PT1M41S
duration ms: 101773
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
by artist: skupina Mour
in album: Nemit prachy - nevadi...
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400075

Ninini
type: MusicRecording
duration: PT1M46S
duration ms: 106066
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
by artist: skupina Mour
in album: Nemit prachy - nevadi...
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400071
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T21:37:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xea04f991bfe3c09998faf8eb654443f559a34f5019de47908e89f387e4e9225b
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/CZUM71400071
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 0xea04f991bfe3c09998faf8eb654443f559a34f5019de47908e89f387e4e9225b. 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/CZUM71400071.
  date published: 2026-07-02T05:09:12Z

Jednoducha piskaci
type: MusicRecording
duration: PT2M30S
duration ms: 150133
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
by artist: skupina Mour
in album: Nemit prachy - nevadi...
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400064
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:11:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x850e703af384bb951d3badb36d434e9b614e3994f4c7f7d27ed8861652718287
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/CZUM71400064
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 0x850e703af384bb951d3badb36d434e9b614e3994f4c7f7d27ed8861652718287. 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/CZUM71400064.
  date published: 2026-07-08T03:22:41Z

Maskarni plesy
type: MusicRecording
duration: PT3M17S
duration ms: 197306
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
by artist: skupina Mour
in album: Nemit prachy - nevadi...
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400066
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T06:18:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc3b30b7f0ff261eb56589bc84d731a88dd523330deaaf7db460c907ba6474cb1
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/CZUM71400066
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 0xc3b30b7f0ff261eb56589bc84d731a88dd523330deaaf7db460c907ba6474cb1. 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/CZUM71400066.
  date published: 2026-07-02T11:34:59Z

Psi sprezeni
type: MusicRecording
duration: PT2M28S
duration ms: 148426
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
by artist: skupina Mour
in album: Nemit prachy - nevadi...
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400073

Neprestavam
type: MusicRecording
duration: PT2M57S
duration ms: 177960
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
by artist: skupina Mour
in album: Nemit prachy - nevadi...
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400070

Maskarni plesy - Instrumental
type: MusicRecording
duration: PT2M56S
duration ms: 176053
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
by artist: skupina Mour
by artist: Eliska Uhlirova
in album: Nemit prachy - nevadi...
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400067

Zpevnik - Hodina zpevu 1987-2001
type: MusicAlbum
date published: 2013-01-01
track: Holubí dům
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242626
  explicit: false
  by artist: Jiří Schelinger
  in album: Zpevnik - Hodina zpevu 1987-2001
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZA110205054
track: Kravy, kravy
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267666
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Zpevnik - Hodina zpevu 1987-2001
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZA110205055
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T09:49:07+00:00
track: Jaro dela pokusy
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187706
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Zpevnik - Hodina zpevu 1987-2001
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZUM71300106
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T21:26:38+00:00
track: Pan doktor Janousek
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157986
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Sedmihlasek
  in album: Zpevnik - Hodina zpevu 1987-2001
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZUM71300112
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T23:58:17+00:00
track: Auta
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196626
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Zpevnik - Hodina zpevu 1987-2001
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZA110205059
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T21:25:39+00:00
track: Nausnice z tresni
  type: MusicRecording
  duration: PT2M5S
  duration ms: 125853
  explicit: false
  by artist: Sedmihlasek
  in album: Zpevnik - Hodina zpevu 1987-2001
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZA110205060
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T07:05:06+00:00
track: Moje mila plavi kone
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177320
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Zpevnik - Hodina zpevu 1987-2001
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZA110205061
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T11:07:43+00:00
track: Edu vzali k fotografovi
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184613
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Zpevnik - Hodina zpevu 1987-2001
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZA110205062
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T11:37:05+00:00
track: Mlecny bar
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166533
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Sedmihlasek
  in album: Zpevnik - Hodina zpevu 1987-2001
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZA110205063
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T04:03:03+00:00
track: Svatek zvirat
  type: MusicRecording
  duration: PT1M54S
  duration ms: 114733
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Zpevnik - Hodina zpevu 1987-2001
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZA110205064
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T15:20:23+00:00
track: Narody, mejte se rady
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241200
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Zpevnik - Hodina zpevu 1987-2001
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZUM71300109
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T14:41:18+00:00
track: Voda, vodenka
  type: MusicRecording
  duration: PT2M8S
  duration ms: 128586
  explicit: false
  by artist: Hana Ulrychova
  by artist: Sedmihlasek
  in album: Zpevnik - Hodina zpevu 1987-2001
  isrc code: CZUM71300116
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
track: Kdyz jsem ja sel do lidusky
track: Orech v medu
track: Ta nase hospoda
track: Kdyz se zamiluje kun
track: Prazdniny u babicky
track: Chvalim te, Zeme ma
track: Opici kapela
track: Hlavne, ze jsme na vzduchu
track: Oci a oka
track: Skalo, skalo, skalo
track: Vlasy az na zada
track: Zapadani

Hana Ulrychova
type: MusicGroup

Sedmihlasek
type: MusicGroup

Zpevnik - Hodina zpevu 1987-2001
type: MusicAlbum
date published: 2013-01-01

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-05T23:04:27+00:00

Kdyz jsem ja sel do lidusky
type: MusicRecording
duration: PT3M10S
duration ms: 190320
explicit: false
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik - Hodina zpevu 1987-2001
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T13:31:53+00:00

Orech v medu
type: MusicRecording
duration: PT2M3S
duration ms: 123293
explicit: false
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik - Hodina zpevu 1987-2001
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300111
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T04:28:44+00:00

Ta nase hospoda
type: MusicRecording
duration: PT2M57S
duration ms: 177253
explicit: false
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: Zpevnik - Hodina zpevu 1987-2001
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300115
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T04:03:13+00:00

Kdyz se zamiluje kun
type: MusicRecording
duration: PT3M35S
duration ms: 215240
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik - Hodina zpevu 1987-2001
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300108
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T18:39:17+00:00

Prazdniny u babicky
type: MusicRecording
duration: PT2M43S
duration ms: 163653
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
in album: Zpevnik - Hodina zpevu 1987-2001
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300113
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T18:04:10+00:00

Chvalim te, Zeme ma
type: MusicRecording
duration: PT3M58S
duration ms: 238266
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik - Hodina zpevu 1987-2001
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZA110205073
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T06:22:33+00:00

Opici kapela
type: MusicRecording
duration: PT2M43S
duration ms: 163466
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik - Hodina zpevu 1987-2001
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZA110205074
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T18:02:36+00:00

Hlavne, ze jsme na vzduchu
type: MusicRecording
duration: PT2M15S
duration ms: 135613
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik - Hodina zpevu 1987-2001
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZA110205075
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T15:16:17+00:00

Oci a oka
type: MusicRecording
duration: PT2M14S
duration ms: 134586
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik - Hodina zpevu 1987-2001
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T23:39:15+00:00

Skalo, skalo, skalo
type: MusicRecording
duration: PT2M32S
duration ms: 152226
explicit: false
by artist: Sedmihlasek
in album: Zpevnik - Hodina zpevu 1987-2001
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300114
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T02:56:31+00:00

Vlasy az na zada
type: MusicRecording
duration: PT2M20S
duration ms: 140880
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik - Hodina zpevu 1987-2001
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZA110110005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T22:32:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ab178b722b72593cb0aabe7c4184640bcdac135bdf8cd76b8407d6309722ad9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA110110005
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ab178b722b72593cb0aabe7c4184640bcdac135bdf8cd76b8407d6309722ad9. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA110110005.
  date published: 2026-06-13T13:32:09Z

Zapadani
type: MusicRecording
duration: PT2M25S
duration ms: 145106
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
in album: Zpevnik - Hodina zpevu 1987-2001
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZA110110016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T07:05:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe2c5296d5fb5a99c92d06d09cd200a47e599e8b21297b6cc6eb3dd6e73457e3b
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/CZA110110016
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 0xe2c5296d5fb5a99c92d06d09cd200a47e599e8b21297b6cc6eb3dd6e73457e3b. 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/CZA110110016.
  date published: 2026-07-02T03:55:08Z

Zpevnik
type: MusicAlbum
date published: 2013-01-01
track: Holubí dům
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241613
  explicit: false
  by artist: Jiří Schelinger
  in album: Zpevnik
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZA110205054
track: Kravy, kravy
  type: MusicRecording
  duration: PT4M26S
  duration ms: 266600
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Zpevnik
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZA110205055
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T09:49:07+00:00
track: Barbora pise z tabora
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187120
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Zpevnik
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZUM71300104
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T23:02:53+00:00
track: Jaro dela pokusy
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186946
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Zpevnik
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZUM71300106
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T21:26:38+00:00
track: Pan doktor Janousek
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157653
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Sedmihlasek
  in album: Zpevnik
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZUM71300112
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T23:58:17+00:00
track: Auta
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196880
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Zpevnik
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZUM71300048
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:14:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe5cdf2af847effe9128a8ce04f0d3be03dc7e6979c366144c63c14e18abf34a3
  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/CZUM71300048
  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 0xe5cdf2af847effe9128a8ce04f0d3be03dc7e6979c366144c63c14e18abf34a3. 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/CZUM71300048.
    date published: 2026-07-08T03:20:19Z
track: Nausnice z tresni
  type: MusicRecording
  duration: PT2M5S
  duration ms: 125346
  explicit: false
  by artist: Sedmihlasek
  in album: Zpevnik
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZA110205060
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T07:05:06+00:00
track: Moje mila plavi kone
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177000
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Zpevnik
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZA110205061
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T11:07:43+00:00
track: Edu vzali k fotografovi
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184866
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Zpevnik
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZA110205062
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T11:37:05+00:00
track: Mlecny bar
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166080
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Sedmihlasek
  in album: Zpevnik
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: CZA110205063
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T04:03:03+00:00
track: Svatek zvirat
track: Narody, mejte se rady
track: Voda, vodenka
track: Kdyz jsem ja sel do lidusky
track: Orech v medu
track: Dedecku, neskuhrej
track: Ta nase hospoda
track: Kdyz se zamiluje kun
track: Prazdniny u babicky
track: Chvalim te, Zeme ma
track: Opici kapela
track: Hlavne, ze jsme na vzduchu
track: Oci a oka
track: Skalo, skalo, skalo

Svatek zvirat
type: MusicRecording
duration: PT1M53S
duration ms: 113813
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZA110205064
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T15:20:23+00:00

Narody, mejte se rady
type: MusicRecording
duration: PT4M0S
duration ms: 240120
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300109
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T14:41:18+00:00

Voda, vodenka
type: MusicRecording
duration: PT2M7S
duration ms: 127906
explicit: false
by artist: Hana Ulrychova
by artist: Sedmihlasek
in album: Zpevnik
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300116
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T23:04:27+00:00

Kdyz jsem ja sel do lidusky
type: MusicRecording
duration: PT3M9S
duration ms: 189733
explicit: false
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T13:31:53+00:00

Orech v medu
type: MusicRecording
duration: PT2M2S
duration ms: 122533
explicit: false
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300111
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T04:28:44+00:00

Dedecku, neskuhrej
type: MusicRecording
duration: PT3M8S
duration ms: 188200
explicit: false
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: Zpevnik
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300105
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T11:07:53+00:00

Ta nase hospoda
type: MusicRecording
duration: PT2M56S
duration ms: 176213
explicit: false
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: Zpevnik
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300115
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T04:03:13+00:00

Kdyz se zamiluje kun
type: MusicRecording
duration: PT3M34S
duration ms: 214680
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300108
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T18:39:17+00:00

Prazdniny u babicky
type: MusicRecording
duration: PT2M42S
duration ms: 162706
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
in album: Zpevnik
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300113
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T18:04:10+00:00

Chvalim te, Zeme ma
type: MusicRecording
duration: PT3M57S
duration ms: 237800
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZA110205073
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T06:22:33+00:00

Opici kapela
type: MusicRecording
duration: PT2M42S
duration ms: 162186
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZA110205074
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T18:02:36+00:00

Hlavne, ze jsme na vzduchu
type: MusicRecording
duration: PT2M14S
duration ms: 134906
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZA110205075
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T15:16:17+00:00

Oci a oka
type: MusicRecording
duration: PT2M13S
duration ms: 133786
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Zpevnik
  type: MusicAlbum
  date published: 2013-01-01

Skalo, skalo, skalo
type: MusicRecording
duration: PT2M30S
duration ms: 150626
explicit: false
by artist: Sedmihlasek
in album: Zpevnik
  type: MusicAlbum
  date published: 2013-01-01
isrc code: CZUM71300114
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T02:56:31+00:00

…zažít krachy – nevadí!
type: MusicAlbum
date published: 2014-09-05
track: Svět je malá škola
  type: MusicRecording
  duration: PT2M8S
  duration ms: 128853
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  by artist: Sedmihlasek
  in album: …zažít krachy – nevadí!
    type: MusicAlbum
    date published: 2014-09-05
  isrc code: CZUM71400178
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:14:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7dab8543ae9f6cb98582675c04a0d5fb86a5130a8ac7dc8554315151a5f5bfae
  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/CZUM71400178
  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 0x7dab8543ae9f6cb98582675c04a0d5fb86a5130a8ac7dc8554315151a5f5bfae. 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/CZUM71400178.
    date published: 2026-07-08T03:22:41Z
track: Datel
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142893
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  by artist: Sedmihlasek
  in album: …zažít krachy – nevadí!
    type: MusicAlbum
    date published: 2014-09-05
  isrc code: CZUM71400179
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T20:43:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5ecd72842ece4e22f4a599d71c9fc878412357fbad3110fc8011617e7e326b68
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400179
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x5ecd72842ece4e22f4a599d71c9fc878412357fbad3110fc8011617e7e326b68. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400179.
    date published: 2026-06-13T17:25:41Z
track: Moje teta Sylva
  type: MusicRecording
  duration: PT2M26S
  duration ms: 146066
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  by artist: Sedmihlasek
  in album: …zažít krachy – nevadí!
    type: MusicAlbum
    date published: 2014-09-05
  isrc code: CZUM71400180
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T15:01:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5faffa2f0a16effe26010310368b788947da8f2ed9dd58ff1761d1d85b795dc8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400180
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5faffa2f0a16effe26010310368b788947da8f2ed9dd58ff1761d1d85b795dc8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400180.
    date published: 2026-07-02T03:30:09Z
track: Ovádi
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161946
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  by artist: Sedmihlasek
  in album: …zažít krachy – nevadí!
    type: MusicAlbum
    date published: 2014-09-05
  isrc code: CZUM71400181
track: Zajíc na bobku
  type: MusicRecording
  duration: PT2M19S
  duration ms: 139066
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  by artist: Sedmihlasek
  in album: …zažít krachy – nevadí!
    type: MusicAlbum
    date published: 2014-09-05
  isrc code: CZUM71400182
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T07:59:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x212951cf2fb11567758f7a95e576a0e5f5783522a4471239eaeb193343d03df8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400182
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x212951cf2fb11567758f7a95e576a0e5f5783522a4471239eaeb193343d03df8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400182.
    date published: 2026-07-02T03:30:09Z
track: Umím prase zepředu
  type: MusicRecording
  duration: PT1M55S
  duration ms: 115253
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  by artist: Sedmihlasek
  in album: …zažít krachy – nevadí!
    type: MusicAlbum
    date published: 2014-09-05
  isrc code: CZUM71400183
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  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: Barvy
track: Hají
track: Nedorozumění
track: Horymír
track: Ulice, ulice
track: O původu jazzu
track: Na Žižkaperku
track: Zipy
track: Pizziato
track: Stromy
track: Rodná hrouda

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-22T13:08:46+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x70b714e1db509e2b4f40e189376a4a9d45e792f1546dbf5da8f36ffb9d0c9ced

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400183

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

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 0x70b714e1db509e2b4f40e189376a4a9d45e792f1546dbf5da8f36ffb9d0c9ced. 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/CZUM71400183.
date published: 2026-07-02T03:55:08Z

Barvy
type: MusicRecording
duration: PT3M56S
duration ms: 236120
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: …zažít krachy – nevadí!
  type: MusicAlbum
  date published: 2014-09-05
isrc code: CZUM71400184
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T06:18:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a69040e7381316833f0f8a56d4c342f97338d8af58eebeec7ea6633b76ac7df
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/CZUM71400184
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 0x9a69040e7381316833f0f8a56d4c342f97338d8af58eebeec7ea6633b76ac7df. 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/CZUM71400184.
  date published: 2026-07-02T11:34:59Z

Hají
type: MusicRecording
duration: PT3M38S
duration ms: 218413
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: …zažít krachy – nevadí!
  type: MusicAlbum
  date published: 2014-09-05
isrc code: CZUM71400185
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T13:11:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b66c981d50c890d94ab8a1657eade43f621cb52b85e9760a626d13c83d10b37
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/CZUM71400185
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 0x5b66c981d50c890d94ab8a1657eade43f621cb52b85e9760a626d13c83d10b37. 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/CZUM71400185.
  date published: 2026-07-02T03:55:08Z

Nedorozumění
type: MusicRecording
duration: PT2M44S
duration ms: 164920
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: …zažít krachy – nevadí!
  type: MusicAlbum
  date published: 2014-09-05
isrc code: CZUM71400186
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:50:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x28f5b42d1dcf1410d953ed2bddee0e2d8fb86b0c1b5938b70e53943bb0a86e03
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/CZUM71400186
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 0x28f5b42d1dcf1410d953ed2bddee0e2d8fb86b0c1b5938b70e53943bb0a86e03. 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/CZUM71400186.
  date published: 2026-07-08T03:20:19Z

Horymír
type: MusicRecording
duration: PT2M17S
duration ms: 137293
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: …zažít krachy – nevadí!
  type: MusicAlbum
  date published: 2014-09-05
isrc code: CZUM71400187
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:08:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x94968031f51ebfa95d3cc6f66429f177e338a846140bb8eaaa381e9553679de6
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/CZUM71400187
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 0x94968031f51ebfa95d3cc6f66429f177e338a846140bb8eaaa381e9553679de6. 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/CZUM71400187.
  date published: 2026-07-08T03:22:41Z

Ulice, ulice
type: MusicRecording
duration: PT3M30S
duration ms: 210933
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: …zažít krachy – nevadí!
  type: MusicAlbum
  date published: 2014-09-05
isrc code: CZUM71400188
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T17:00:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x34bf14e06b1a29405a91a424acd903af2e000e6710256e6da5136a64d83514ca
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/CZUM71400188
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 0x34bf14e06b1a29405a91a424acd903af2e000e6710256e6da5136a64d83514ca. 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/CZUM71400188.
  date published: 2026-07-02T03:55:08Z

O původu jazzu
type: MusicRecording
duration: PT3M24S
duration ms: 204493
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: …zažít krachy – nevadí!
  type: MusicAlbum
  date published: 2014-09-05
isrc code: CZUM71400189

Na Žižkaperku
type: MusicRecording
duration: PT2M30S
duration ms: 150506
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: …zažít krachy – nevadí!
  type: MusicAlbum
  date published: 2014-09-05
isrc code: CZUM71400190
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:48:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2607fc1aa0bd67ea0f8334a2f0f179057ba52e8a28cb06c937c8ff05e750e72c
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/CZUM71400190
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 0x2607fc1aa0bd67ea0f8334a2f0f179057ba52e8a28cb06c937c8ff05e750e72c. 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/CZUM71400190.
  date published: 2026-07-08T03:53:27Z

Zipy
type: MusicRecording
duration: PT2M12S
duration ms: 132626
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: …zažít krachy – nevadí!
  type: MusicAlbum
  date published: 2014-09-05
isrc code: CZUM71400191

Pizziato
type: MusicRecording
duration: PT2M14S
duration ms: 134373
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: …zažít krachy – nevadí!
  type: MusicAlbum
  date published: 2014-09-05
isrc code: CZUM71400192

Stromy
type: MusicRecording
duration: PT3M10S
duration ms: 190866
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: …zažít krachy – nevadí!
  type: MusicAlbum
  date published: 2014-09-05
isrc code: CZUM71400193
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T22:00:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaa403e74e73a623a64d33a28ba71185d3a3149083a8190bb6d333c99779eadb2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400193
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa403e74e73a623a64d33a28ba71185d3a3149083a8190bb6d333c99779eadb2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400193.
  date published: 2026-06-13T15:41:10Z

Rodná hrouda
type: MusicRecording
duration: PT0M51S
duration ms: 51560
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: …zažít krachy – nevadí!
  type: MusicAlbum
  date published: 2014-09-05
isrc code: CZUM71400194
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:11:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6942942082f33d3436005501f5b06ed5a32b42e89cc580125e9d9d8863d46f9d
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/CZUM71400194
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 0x6942942082f33d3436005501f5b06ed5a32b42e89cc580125e9d9d8863d46f9d. 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/CZUM71400194.
  date published: 2026-07-08T03:22:41Z

Hlavne nesmi byti smutno
type: MusicAlbum
date published: 2014-02-21
track: Krizovky
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156506
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Hlavne nesmi byti smutno
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZA110306150
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-27T21:37:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4ed6a28e881986bf6f6976d380dcbada8cf1675192ddd2654a510cb42892445b
  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/CZA110306150
  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 0x4ed6a28e881986bf6f6976d380dcbada8cf1675192ddd2654a510cb42892445b. 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/CZA110306150.
    date published: 2026-07-02T05:09:12Z
track: Vykarka a Tykarka
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155360
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Hlavne nesmi byti smutno
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZA110306153
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T09:22:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb794ebc9f71fcad39a3b7eba784b9a793db10addda8ebd8e7eb47fa9e136de5a
  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/CZA110306153
  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 0xb794ebc9f71fcad39a3b7eba784b9a793db10addda8ebd8e7eb47fa9e136de5a. 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/CZA110306153.
    date published: 2026-07-08T08:56:20Z
track: Auta
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196800
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Hlavne nesmi byti smutno
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZA110205059
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T21:25:39+00:00
track: Vodomerky
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173240
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Hlavne nesmi byti smutno
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZA110306152
track: Opici kapela
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165066
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Hlavne nesmi byti smutno
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZA110205074
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T18:02:36+00:00
track: Moje mila plavi kone
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178800
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Hlavne nesmi byti smutno
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZA110205061
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T11:07:43+00:00
track: Svatek zvirat
  type: MusicRecording
  duration: PT1M54S
  duration ms: 114133
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Hlavne nesmi byti smutno
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZA110205064
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T15:20:23+00:00
track: Edu vzali k fotografovi
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184760
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Hlavne nesmi byti smutno
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZA110205062
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T11:37:05+00:00
track: Kravy, kravy
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267040
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Hlavne nesmi byti smutno
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZA110205055
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
track: Mlecny bar
track: Klouzky
track: Hlavne, ze jsme na vzduchu
track: Rovnatka
track: Nausnice z tresni
track: Chvalim te, Zeme ma

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-07T09:49:07+00:00

Mlecny bar
type: MusicRecording
duration: PT2M47S
duration ms: 167533
explicit: false
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: Hlavne nesmi byti smutno
  type: MusicAlbum
  date published: 2014-02-21
isrc code: CZA110205063
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T04:03:03+00:00

Klouzky
type: MusicRecording
duration: PT3M3S
duration ms: 183066
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Hlavne nesmi byti smutno
  type: MusicAlbum
  date published: 2014-02-21
isrc code: CZA110306149
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T13:15:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc39f1c36c232a1861c53cf3f410ccf0d5edb84cc9d3db36591bc9b8a1d0bedd
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/CZA110306149
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 0xcc39f1c36c232a1861c53cf3f410ccf0d5edb84cc9d3db36591bc9b8a1d0bedd. 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/CZA110306149.
  date published: 2026-07-02T03:55:08Z

Hlavne, ze jsme na vzduchu
type: MusicRecording
duration: PT2M15S
duration ms: 135466
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Hlavne nesmi byti smutno
  type: MusicAlbum
  date published: 2014-02-21
isrc code: CZA110205075
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T15:16:17+00:00

Rovnatka
type: MusicRecording
duration: PT3M1S
duration ms: 181333
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Hlavne nesmi byti smutno
  type: MusicAlbum
  date published: 2014-02-21
isrc code: CZA110306151
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T13:11:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x14c2589ce256017f4e2e3be675c66413c4e066b759ec1ce160669a0a37f74ffe
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/CZA110306151
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 0x14c2589ce256017f4e2e3be675c66413c4e066b759ec1ce160669a0a37f74ffe. 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/CZA110306151.
  date published: 2026-07-02T03:55:08Z

Nausnice z tresni
type: MusicRecording
duration: PT2M7S
duration ms: 127760
explicit: false
by artist: Sedmihlasek
in album: Hlavne nesmi byti smutno
  type: MusicAlbum
  date published: 2014-02-21
isrc code: CZA110205060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T07:05:06+00:00

Chvalim te, Zeme ma
type: MusicRecording
duration: PT3M56S
duration ms: 236133
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Hlavne nesmi byti smutno
  type: MusicAlbum
  date published: 2014-02-21
isrc code: CZA110205073
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T06:22:33+00:00

...natoz aby se brecelo
type: MusicAlbum
date published: 2013-05-30
track: Vzducholod
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165440
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: ...natoz aby se brecelo
    type: MusicAlbum
    date published: 2013-05-30
  isrc code: CZUM71300131
track: Labute
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169986
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: ...natoz aby se brecelo
    type: MusicAlbum
    date published: 2013-05-30
  isrc code: CZUM71300126
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T22:12:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x38b0367911599122b5088277fce45f949149c54a2410c4efc6005d01190d283e
  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/CZUM71300126
  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 0x38b0367911599122b5088277fce45f949149c54a2410c4efc6005d01190d283e. 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/CZUM71300126.
    date published: 2026-07-08T03:53:27Z
track: Bloudim lesem
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203306
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: ...natoz aby se brecelo
    type: MusicAlbum
    date published: 2013-05-30
  isrc code: CZUM71300117
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T06:00:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x56adc4fecf03704ccdd0566fd7fe0bcab346133f5dd62d7e58c28d24306d1802
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71300117
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:16:32Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x56adc4fecf03704ccdd0566fd7fe0bcab346133f5dd62d7e58c28d24306d1802. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71300117.
    date published: 2026-07-06T07:16:32Z
track: Bryle
  type: MusicRecording
  duration: PT2M9S
  duration ms: 129826
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: ...natoz aby se brecelo
    type: MusicAlbum
    date published: 2013-05-30
  isrc code: CZUM71300118
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T21:05:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x101ead61c7faf2ab099c6e17758731a8c8fbbab34c57598bef64d5b17f033ace
  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/CZUM71300118
  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 0x101ead61c7faf2ab099c6e17758731a8c8fbbab34c57598bef64d5b17f033ace. 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/CZUM71300118.
    date published: 2026-07-08T03:20:19Z
track: Cechy krasne, Cechy vase
  type: MusicRecording
  duration: PT1M53S
  duration ms: 113133
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: ...natoz aby se brecelo
    type: MusicAlbum
    date published: 2013-05-30
  isrc code: CZUM71300119
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T07:42:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x95f0061969f143ab154085989ca0352db541ed8747620f755879cc46ea4b13b7
  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/CZUM71300119
  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 0x95f0061969f143ab154085989ca0352db541ed8747620f755879cc46ea4b13b7. 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/CZUM71300119.
    date published: 2026-07-02T03:55:08Z
track: Detinove
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202400
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: ...natoz aby se brecelo
    type: MusicAlbum
    date published: 2013-05-30
  isrc code: CZUM71300120
track: Kure v aute
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168106
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: ...natoz aby se brecelo
  isrc code: CZUM71300125
track: Hadi
track: Nacelnik ma natelnik
track: Ztraty a nalezy
track: Vsechno mame schovany
track: Krabice od caje
track: Lida
track: Konicku muj
track: Pozehnany cas
track: Kamaradka lipa

Zdeněk Svěrák
type: MusicGroup

Jaroslav Uhlíř
type: MusicGroup

Sedmihlasek
type: MusicGroup

...natoz aby se brecelo
type: MusicAlbum
date published: 2013-05-30

Hadi
type: MusicRecording
duration: PT3M23S
duration ms: 203293
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: ...natoz aby se brecelo
  type: MusicAlbum
  date published: 2013-05-30
isrc code: CZUM71300121
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:14:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x68f6d548007c0b6614e9734b5da9f586bbdc30ae7203e84d167e692436f65b68
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/CZUM71300121
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 0x68f6d548007c0b6614e9734b5da9f586bbdc30ae7203e84d167e692436f65b68. 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/CZUM71300121.
  date published: 2026-07-08T03:53:27Z

Nacelnik ma natelnik
type: MusicRecording
duration: PT2M32S
duration ms: 152200
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: ...natoz aby se brecelo
  type: MusicAlbum
  date published: 2013-05-30
isrc code: CZUM71300128

Ztraty a nalezy
type: MusicRecording
duration: PT3M6S
duration ms: 186400
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: ...natoz aby se brecelo
  type: MusicAlbum
  date published: 2013-05-30
isrc code: CZUM71300132

Vsechno mame schovany
type: MusicRecording
duration: PT2M37S
duration ms: 157293
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: ...natoz aby se brecelo
  type: MusicAlbum
  date published: 2013-05-30
isrc code: CZUM71300130

Krabice od caje
type: MusicRecording
duration: PT3M47S
duration ms: 227146
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: ...natoz aby se brecelo
  type: MusicAlbum
  date published: 2013-05-30
isrc code: CZUM71300124

Lida
type: MusicRecording
duration: PT2M32S
duration ms: 152453
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: ...natoz aby se brecelo
  type: MusicAlbum
  date published: 2013-05-30
isrc code: CZUM71300127

Konicku muj
type: MusicRecording
duration: PT2M44S
duration ms: 164706
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: ...natoz aby se brecelo
  type: MusicAlbum
  date published: 2013-05-30
isrc code: CZUM71300123
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:14:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x814ef26ab666c3f28122bbce63f58eaaefab99443eeea18d5ab5794384f5b57e
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/CZUM71300123
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 0x814ef26ab666c3f28122bbce63f58eaaefab99443eeea18d5ab5794384f5b57e. 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/CZUM71300123.
  date published: 2026-07-08T03:20:19Z

Pozehnany cas
type: MusicRecording
duration: PT3M1S
duration ms: 181933
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: ...natoz aby se brecelo
  type: MusicAlbum
  date published: 2013-05-30
isrc code: CZUM71300129
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T21:56:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa231ca7538a9757dcc46292ec71222cdfec5e10bb776beb72d8ee06ac0fe356
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/CZUM71300129
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 0xfa231ca7538a9757dcc46292ec71222cdfec5e10bb776beb72d8ee06ac0fe356. 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/CZUM71300129.
  date published: 2026-07-08T03:22:41Z

Kamaradka lipa
type: MusicRecording
duration: PT1M55S
duration ms: 115800
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: ...natoz aby se brecelo
  type: MusicAlbum
  date published: 2013-05-30
isrc code: CZUM71300122

Nemit srdce - vadi
type: MusicAlbum
date published: 2014-01-01
track: Psi divadlo
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154413
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Nemit srdce - vadi
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: CZUM71400126
track: Rikadla
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218213
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Nemit srdce - vadi
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: CZUM71400127
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T04:32:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5d36abd6256f5a59904c5fd2cc780c81546488e7b5abbcc754856030bc90e6f0
  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/CZUM71400127
  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 0x5d36abd6256f5a59904c5fd2cc780c81546488e7b5abbcc754856030bc90e6f0. 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/CZUM71400127.
    date published: 2026-07-08T03:53:27Z
track: Hladova zed
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126933
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Nemit srdce - vadi
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: CZUM71400128
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T15:16:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5e5c62236d634c8584ba2fcb7532491644fd6635967e8c593d27e374725f06a9
  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/CZUM71400128
  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 0x5e5c62236d634c8584ba2fcb7532491644fd6635967e8c593d27e374725f06a9. 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/CZUM71400128.
    date published: 2026-07-08T08:56:20Z
track: Jedlicky
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164080
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Nemit srdce - vadi
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: CZUM71400129
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T01:38:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xedbea5cc4caabc6336bd3e0dae3c5c958ff8a80d0b5adef54fce287d9dae394e
  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/CZUM71400129
  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 0xedbea5cc4caabc6336bd3e0dae3c5c958ff8a80d0b5adef54fce287d9dae394e. 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/CZUM71400129.
    date published: 2026-07-08T03:53:27Z
track: Vlasy az na zada
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141066
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Nemit srdce - vadi
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: CZUM71400130
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T05:48:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf5c0bd7164a7af834161146d5601260aa38298a90d0630e520fcaf3aae82b220
  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/CZUM71400130
  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 0xf5c0bd7164a7af834161146d5601260aa38298a90d0630e520fcaf3aae82b220. 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/CZUM71400130.
    date published: 2026-07-08T03:53:27Z
track: Eskamoter
  type: MusicRecording
  duration: PT2M29S
  duration ms: 149613
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Nemit srdce - vadi
    type: MusicAlbum
    date published: 2014-01-01
  isrc code: CZUM71400131
track: Mokre klavesy
  type: MusicRecording
  duration: PT2M15S
  duration ms: 135760
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: Nemit srdce - vadi
  isrc code: CZUM71400132
track: Kdyz jsem te jablunko...
track: Mladata
track: Tchyne
track: Hlohy
track: Hvezdari
track: Koutek ztracenych deti
track: Duse v peri
track: Vitej na svete
track: Zapadani

Zdeněk Svěrák
type: MusicGroup

Jaroslav Uhlíř
type: MusicGroup

Sedmihlasek
type: MusicGroup

Nemit srdce - vadi
type: MusicAlbum
date published: 2014-01-01

Kdyz jsem te jablunko...
type: MusicRecording
duration: PT2M30S
duration ms: 150066
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Nemit srdce - vadi
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400133

Mladata
type: MusicRecording
duration: PT1M33S
duration ms: 93080
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Nemit srdce - vadi
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400134

Tchyne
type: MusicRecording
duration: PT2M17S
duration ms: 137440
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Nemit srdce - vadi
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400135
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:44:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5d902f7d9bff111bbf7fdfe7193f793dd05c897f4bcd9dd79d8e5605e3f36d2e
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/CZUM71400135
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 0x5d902f7d9bff111bbf7fdfe7193f793dd05c897f4bcd9dd79d8e5605e3f36d2e. 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/CZUM71400135.
  date published: 2026-07-08T08:56:20Z

Hlohy
type: MusicRecording
duration: PT2M26S
duration ms: 146040
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Nemit srdce - vadi
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400136

Hvezdari
type: MusicRecording
duration: PT2M48S
duration ms: 168706
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Nemit srdce - vadi
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400137
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:25:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41452d41b71bdd82c433a994b71c86e7b02f861e07fcc5d692d95d899f35347a
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/CZUM71400137
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 0x41452d41b71bdd82c433a994b71c86e7b02f861e07fcc5d692d95d899f35347a. 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/CZUM71400137.
  date published: 2026-07-08T08:56:20Z

Koutek ztracenych deti
type: MusicRecording
duration: PT2M40S
duration ms: 160586
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Nemit srdce - vadi
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400138
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T20:31:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8b424d374c2a351b61a85552a5d4f2cf85861b24600c94219b9703c30289adf1
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/CZUM71400138
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 0x8b424d374c2a351b61a85552a5d4f2cf85861b24600c94219b9703c30289adf1. 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/CZUM71400138.
  date published: 2026-07-08T03:53:27Z

Duse v peri
type: MusicRecording
duration: PT1M43S
duration ms: 103920
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Nemit srdce - vadi
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400139

Vitej na svete
type: MusicRecording
duration: PT1M55S
duration ms: 115333
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Nemit srdce - vadi
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400140
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T13:27:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x62fb032bac0432988bb1c1e32e1241fecc57ffb9e3497cc48098adf410acb1d7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400140
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62fb032bac0432988bb1c1e32e1241fecc57ffb9e3497cc48098adf410acb1d7. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400140.
  date published: 2026-07-02T03:30:09Z

Zapadani
type: MusicRecording
duration: PT2M29S
duration ms: 149826
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: Nemit srdce - vadi
  type: MusicAlbum
  date published: 2014-01-01
isrc code: CZUM71400141

...aby bylo primo veselo
type: MusicAlbum
date published: 2014-02-21
track: Prazdniny u babicky
  type: MusicRecording
  duration: PT2M47S
  duration ms: 167040
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  in album: ...aby bylo primo veselo
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZUM71300113
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T18:04:10+00:00
track: Kdyz jsem ja sel do lidusky
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193800
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: ...aby bylo primo veselo
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZUM71300107
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T13:31:53+00:00
track: Pan doktor Janousek
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162026
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Sedmihlasek
  in album: ...aby bylo primo veselo
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZUM71300112
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T23:58:17+00:00
track: Kominy
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230466
  explicit: false
  by artist: Jaroslav Uhlíř
  in album: ...aby bylo primo veselo
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZUM71400057
track: Barbora pise z tabora
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189333
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: ...aby bylo primo veselo
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZUM71300104
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T23:02:53+00:00
track: Vzpominka na Jezka
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275840
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: ...aby bylo primo veselo
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZUM71400058
track: Orech v medu
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126960
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: ...aby bylo primo veselo
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZUM71300111
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T04:28:44+00:00
track: Dedecku, neskuhrej
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191733
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Sedmihlasek
  in album: ...aby bylo primo veselo
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZUM71300105
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T11:07:53+00:00
track: Kdyz se zamiluje kun
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218906
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: ...aby bylo primo veselo
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZUM71300108
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T18:39:17+00:00
track: Skalo, skalo, skalo
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155426
  explicit: false
  by artist: Sedmihlasek
  in album: ...aby bylo primo veselo
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZUM71300114
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T02:56:31+00:00
track: Oci a oka
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138506
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Sedmihlasek
  in album: ...aby bylo primo veselo
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZUM71300110
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T23:39:15+00:00
track: Ta nase hospoda
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179333
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Sedmihlasek
  in album: ...aby bylo primo veselo
    type: MusicAlbum
    date published: 2014-02-21
  isrc code: CZUM71300115
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
track: Narody, mejte se rady
track: Kdyz byla maminka divcinou
track: Voda, vodenka
track: Jaro dela pokusy

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-07T04:03:13+00:00

Narody, mejte se rady
type: MusicRecording
duration: PT4M5S
duration ms: 245293
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: ...aby bylo primo veselo
  type: MusicAlbum
  date published: 2014-02-21
isrc code: CZUM71300109
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T14:41:18+00:00

Kdyz byla maminka divcinou
type: MusicRecording
duration: PT2M22S
duration ms: 142306
explicit: false
by artist: Zdeněk Svěrák
by artist: Sedmihlasek
in album: ...aby bylo primo veselo
  type: MusicAlbum
  date published: 2014-02-21
isrc code: CZUM71400059
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T22:44:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa231d6560d4227ac01acc579e1c68f14067ee74633f72261ac424cd1b6c34acb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957122
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957122
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400059
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
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 0xa231d6560d4227ac01acc579e1c68f14067ee74633f72261ac424cd1b6c34acb. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZUM71400059.
  date published: 2026-07-08T03:39:04Z

Voda, vodenka
type: MusicRecording
duration: PT2M10S
duration ms: 130560
explicit: false
by artist: Hana Ulrychova
by artist: Sedmihlasek
in album: ...aby bylo primo veselo
  type: MusicAlbum
  date published: 2014-02-21
isrc code: CZUM71300116
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T23:04:27+00:00

Jaro dela pokusy
type: MusicRecording
duration: PT3M10S
duration ms: 190000
explicit: false
by artist: Zdeněk Svěrák
by artist: Jaroslav Uhlíř
by artist: Sedmihlasek
in album: ...aby bylo primo veselo
  type: MusicAlbum
  date published: 2014-02-21
isrc code: CZUM71300106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T21:26:38+00:00

Ty Nejlepší Písničky V Novém Kabátě
type: MusicAlbum
date published: 2016-10-27
track: Zavolejte Stráže
  type: MusicRecording
  duration: PT1M59S
  duration ms: 119746
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Ty Nejlepší Písničky V Novém Kabátě
    type: MusicAlbum
    date published: 2016-10-27
  isrc code: CZA161602543
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T20:24:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xae85682b762c1c0d761cc0687a25976a17ba48c372e63cc05cfd1cf139842a9e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602543
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae85682b762c1c0d761cc0687a25976a17ba48c372e63cc05cfd1cf139842a9e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602543.
    date published: 2026-07-02T03:30:09Z
track: Severní Vítr
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158573
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Ty Nejlepší Písničky V Novém Kabátě
    type: MusicAlbum
    date published: 2016-10-27
  isrc code: CZA161602544
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T21:56:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x41f93e3244ad6ab461b9fbf1150d4cf363ff26e2b97f4ca5e813be5da5301b09
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602544
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x41f93e3244ad6ab461b9fbf1150d4cf363ff26e2b97f4ca5e813be5da5301b09. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602544.
    date published: 2026-06-13T17:25:41Z
track: Skřítkové Tesaři
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151173
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Ty Nejlepší Písničky V Novém Kabátě
    type: MusicAlbum
    date published: 2016-10-27
  isrc code: CZA161602545
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T23:07:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0761e49f57e39a61c8d8b150105b16e251b4044ef69ff3c75ee04fe6b35ec16e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602545
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0761e49f57e39a61c8d8b150105b16e251b4044ef69ff3c75ee04fe6b35ec16e. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602545.
    date published: 2026-06-13T13:32:09Z
track: Hajný Je Lesa Pán
  type: MusicRecording
  duration: PT1M49S
  duration ms: 109573
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Ty Nejlepší Písničky V Novém Kabátě
    type: MusicAlbum
    date published: 2016-10-27
  isrc code: CZA161602546
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T10:11:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdaa6a3e1019dc63b4052d05f532469749bdda98e14e7037631c4b41f8dc7262f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602546
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xdaa6a3e1019dc63b4052d05f532469749bdda98e14e7037631c4b41f8dc7262f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602546.
    date published: 2026-06-13T17:25:41Z
track: Dělání
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171600
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Ty Nejlepší Písničky V Novém Kabátě
    type: MusicAlbum
    date published: 2016-10-27
  isrc code: CZA161602547
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T04:19:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xde21ad12acc3bea20bf59e8eae46adda25e1be5798c7e8b1a0fe2ffa7bea553b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602547
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Hlupáku, Najdu Tě
track: Kdyby Se V Komnatách
track: Statistika
track: Skálo, Skálo
track: Pod Dubem, Za Dubem
track: Když Se Zamiluje Kůň
track: Datel
track: Neopouštěj Staré Známé
track: Ať Smolařům Je Hej
track: Ani K Stáru
track: Když Sovy Loví
track: Chválím Tě, Země Má
track: Jestli To Nebude Láska
track: Elektrický Valčík
track: Není Nutno

OTSTimestamp
type: PropertyValue
value: 2026-06-13T17:25:41Z

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 0xde21ad12acc3bea20bf59e8eae46adda25e1be5798c7e8b1a0fe2ffa7bea553b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602547.
date published: 2026-06-13T17:25:41Z

Hlupáku, Najdu Tě
type: MusicRecording
duration: PT2M16S
duration ms: 136026
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602548
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T07:08:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc33f94f98850f3d4b198ead619a9a0f195ccf919ada455b6fcb97d9d75527bb9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602548
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xc33f94f98850f3d4b198ead619a9a0f195ccf919ada455b6fcb97d9d75527bb9. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602548.
  date published: 2026-06-13T17:25:41Z

Kdyby Se V Komnatách
type: MusicRecording
duration: PT3M8S
duration ms: 188786
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602549
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T00:00:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x434b00f970f598fa7e6eb6b19f06ce3883333cbab4210732248f8be88bc040c5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602549
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x434b00f970f598fa7e6eb6b19f06ce3883333cbab4210732248f8be88bc040c5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602549.
  date published: 2026-06-13T17:25:41Z

Statistika
type: MusicRecording
duration: PT2M23S
duration ms: 143120
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602550
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T00:00:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x24287fc7ec3a8a2c9e336f60a4d343469cff4d201b804072298a7237a92bbc23
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602550
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x24287fc7ec3a8a2c9e336f60a4d343469cff4d201b804072298a7237a92bbc23. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602550.
  date published: 2026-06-13T17:25:41Z

Skálo, Skálo
type: MusicRecording
duration: PT2M37S
duration ms: 157880
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602551
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T16:19:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5265afc1c97b5f438ad047b0011224db6db19daa08affe4d3528a5a2cba2350d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602551
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x5265afc1c97b5f438ad047b0011224db6db19daa08affe4d3528a5a2cba2350d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602551.
  date published: 2026-06-13T12:53:06Z

Pod Dubem, Za Dubem
type: MusicRecording
duration: PT2M8S
duration ms: 128705
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602552
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T20:42:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd21de79dcee1ff740f38421a8a71e387b18f80849d9eeb6ec7491771f0618edd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602552
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xd21de79dcee1ff740f38421a8a71e387b18f80849d9eeb6ec7491771f0618edd. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602552.
  date published: 2026-06-13T17:25:41Z

Když Se Zamiluje Kůň
type: MusicRecording
duration: PT2M2S
duration ms: 122146
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602553
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T13:11:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x76b0f4bc1e4533f08325dccffe2b9b9da564e1842b44c611738a117ae652d5fc
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/CZA161602553
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 0x76b0f4bc1e4533f08325dccffe2b9b9da564e1842b44c611738a117ae652d5fc. 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/CZA161602553.
  date published: 2026-07-02T03:55:08Z

Datel
type: MusicRecording
duration: PT2M24S
duration ms: 144120
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602554
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T20:55:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83f84ba44a4a8d90de0449a6c5d6b4f02a7d596143ed7e934bdafadc5ad53833
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/CZA161602554
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 0x83f84ba44a4a8d90de0449a6c5d6b4f02a7d596143ed7e934bdafadc5ad53833. 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/CZA161602554.
  date published: 2026-07-02T03:55:08Z

Neopouštěj Staré Známé
type: MusicRecording
duration: PT2M23S
duration ms: 143200
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602555
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T13:32:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf5c5a0ef983121ebe9404a39a22aea8cc9afffdda10c712c2d50d00b3b044382
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/CZA161602555
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 0xf5c5a0ef983121ebe9404a39a22aea8cc9afffdda10c712c2d50d00b3b044382. 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/CZA161602555.
  date published: 2026-07-02T03:55:08Z

Ať Smolařům Je Hej
type: MusicRecording
duration: PT3M3S
duration ms: 183000
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602556
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T06:20:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26fb5513a39247b2440ba0862c03c36d548ef5361e031ced23deaba2e38f821a
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/CZA161602556
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 0x26fb5513a39247b2440ba0862c03c36d548ef5361e031ced23deaba2e38f821a. 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/CZA161602556.
  date published: 2026-07-02T11:34:59Z

Ani K Stáru
type: MusicRecording
duration: PT2M24S
duration ms: 144213
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602557
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T10:22:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1fc3a6f183981c4d9dff375163a7cef09619450d14d4c3a183e2723a38770162
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602557
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x1fc3a6f183981c4d9dff375163a7cef09619450d14d4c3a183e2723a38770162. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602557.
  date published: 2026-06-13T12:47:07Z

Když Sovy Loví
type: MusicRecording
duration: PT3M1S
duration ms: 181893
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602558
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T20:57:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd0d02b0ef261f8cec1ef165c4b46a00e124dcf3678291ba223c4e6812ead5d5a
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/CZA161602558
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 0xd0d02b0ef261f8cec1ef165c4b46a00e124dcf3678291ba223c4e6812ead5d5a. 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/CZA161602558.
  date published: 2026-07-02T03:55:08Z

Chválím Tě, Země Má
type: MusicRecording
duration: PT2M10S
duration ms: 130626
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602559
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T09:55:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x85fc3772491fafddc105f7901165b5f57804268b605d280a7abf1e6fd9734155
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602559
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85fc3772491fafddc105f7901165b5f57804268b605d280a7abf1e6fd9734155. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602559.
  date published: 2026-06-13T13:32:09Z

Jestli To Nebude Láska
type: MusicRecording
duration: PT2M53S
duration ms: 173293
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602560
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T13:53:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f731c1728181ce001dac9a5011dbab6d5efdcdc5c6df42aceb980ba34d69ee7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602560
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x5f731c1728181ce001dac9a5011dbab6d5efdcdc5c6df42aceb980ba34d69ee7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602560.
  date published: 2026-06-13T12:53:06Z

Elektrický Valčík
type: MusicRecording
duration: PT3M47S
duration ms: 227506
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602561
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T22:09:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc74f0a355def6f675a14d2d2fce44ee783ea6f0b5072312669b2e2c1edd9dbba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602561
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc74f0a355def6f675a14d2d2fce44ee783ea6f0b5072312669b2e2c1edd9dbba. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602561.
  date published: 2026-06-13T15:41:10Z

Není Nutno
type: MusicRecording
duration: PT1M10S
duration ms: 70026
explicit: false
by artist: Jaroslav Uhlíř
by artist: Zdeněk Svěrák
in album: Ty Nejlepší Písničky V Novém Kabátě
  type: MusicAlbum
  date published: 2016-10-27
isrc code: CZA161602562
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T20:42:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3706e5e95463a37e0bf85cc13232fece9cdb043709ce938f2e3e1af7efabda32
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602562
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x3706e5e95463a37e0bf85cc13232fece9cdb043709ce938f2e3e1af7efabda32. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161602562.
  date published: 2026-06-13T17:25:41Z

Operky
type: MusicAlbum
date published: 2016-03-18
track: O Budulínkovi
  type: MusicRecording
  duration: PT9M6S
  duration ms: 546733
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  in album: Operky
    type: MusicAlbum
    date published: 2016-03-18
  isrc code: CZA161600448
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T12:15:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdba53a3038b12eee02ce5d955158f51e7f8e4f707a3764eccd372519a9b5a0a5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161600448
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdba53a3038b12eee02ce5d955158f51e7f8e4f707a3764eccd372519a9b5a0a5. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161600448.
    date published: 2026-06-13T13:32:09Z
track: Červená Karkulka
  type: MusicRecording
  duration: PT11M2S
  duration ms: 662626
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  in album: Operky
    type: MusicAlbum
    date published: 2016-03-18
  isrc code: CZA161600449
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T23:06:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x586ff064ea1c3828b90693af787d2234edd059549f3c2c53946f1b97bbdf76ab
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161600449
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x586ff064ea1c3828b90693af787d2234edd059549f3c2c53946f1b97bbdf76ab. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161600449.
    date published: 2026-06-13T13:32:09Z
track: O Dvanácti Měsíčkách
  type: MusicRecording
  duration: PT20M10S
  duration ms: 1210053
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  in album: Operky
    type: MusicAlbum
    date published: 2016-03-18
  isrc code: CZA161600450
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T22:06:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5ee04224a5564111e1b845fc894e341d705124d130cc2b69649e849465814547
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161600450
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ee04224a5564111e1b845fc894e341d705124d130cc2b69649e849465814547. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161600450.
    date published: 2026-06-13T15:41:10Z
track: Šípková Růženka
  type: MusicRecording
  duration: PT16M4S
  duration ms: 964426
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  in album: Operky
    type: MusicAlbum
    date published: 2016-03-18
  isrc code: CZA161600451
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T12:12:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0301f1b5bbc7f9f98386affbaf0114e1e7dd69c7f0b1d995b3c80458cd4a18c0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161600451
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0301f1b5bbc7f9f98386affbaf0114e1e7dd69c7f0b1d995b3c80458cd4a18c0. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161600451.
    date published: 2026-06-13T13:32:09Z

Vanocni a nocni sny
type: MusicAlbum
date published: 2013-12-16
track: Vanoce, ach Vanoce
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  duration: PT1M53S
  duration ms: 113440
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
  isrc code: CZA110011012
track: Tajna mista
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190399
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
track: Strasidylko Emilek
  type: MusicRecording
  duration: PT2M5S
  duration ms: 125253
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
  isrc code: CZA110011014
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  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T06:21:02+00:00
  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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    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 0x5060979a09c8d2a20b3c01d345c926b07d879a573bc42eebff2874eafea7a769. 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/CZA110011014.
    date published: 2026-07-02T11:34:59Z
track: Ponici
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193520
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
track: Spim, to se ma
  type: MusicRecording
  duration: PT1M34S
  duration ms: 94573
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
track: Jaromil
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192626
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
track: Snih, bile poteseni
  type: MusicRecording
  duration: PT2M20S
  duration ms: 140880
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
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    type: MusicAlbum
    date published: 2013-12-16
  isrc code: CZA110011018
track: Jedlicky
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166952
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
track: Svetove Vanoce
  type: MusicRecording
  duration: PT3M30S
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  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
  isrc code: CZA110011020
track: Cerny destnik
  type: MusicRecording
  duration: PT2M26S
  duration ms: 146880
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  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
track: Bumbrlicek
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137733
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
track: Tatinku, lehce
  type: MusicRecording
  duration: PT1M57S
  duration ms: 117800
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
track: Kdyz na les pada snih
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177066
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
  isrc code: CZA110011024
track: Teseni
  type: MusicRecording
  duration: PT1M30S
  duration ms: 90680
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
track: Radujte se, zvirata
  type: MusicRecording
  duration: PT2M20S
  duration ms: 140293
  explicit: false
  by artist: Jaroslav Uhlíř
  by artist: Zdeněk Svěrák
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
track: Laska hory prenasi
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  duration: PT2M32S
  duration ms: 152626
  explicit: false
  by artist: Jaroslav Uhlíř
  in album: Vanocni a nocni sny
    type: MusicAlbum
    date published: 2013-12-16
  isrc code: CZA110011027

Když se rozední
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date published: 2024-03-01
track: Když se rozední
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169247
  explicit: false
  by artist: Igor Orozovič
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Veronika Khek Kubařová
  in album: Když se rozední
    type: MusicAlbum
    date published: 2024-03-01
  isrc code: CZA162400159
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-06-08T15:16:31+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x6ea9359cf169d6cd85a8c03e6ef7dace1107fae72f2b88e00a00464c96c2122c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162400159
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0x6ea9359cf169d6cd85a8c03e6ef7dace1107fae72f2b88e00a00464c96c2122c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162400159.
    date published: 2026-06-13T17:25:41Z
track: Komu se stýská
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  duration: PT3M17S
  duration ms: 197910
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  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  by artist: Veronika Khek Kubařová
  in album: Když se rozední
    type: MusicAlbum
    date published: 2024-03-01
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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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: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162400160
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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 0xe00d3e9306f70235c31f52c37e80bdd393aee1ecbff7913631b4802165bd0e0c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162400160.
    date published: 2026-06-13T17:25:41Z

At smolarum je hej
type: MusicAlbum
date published: 2011-01-01
track: At smolarum je hej
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181506
  explicit: false
  by artist: Zdeněk Svěrák
  by artist: Jaroslav Uhlíř
  in album: At smolarum je hej
    type: MusicAlbum
    date published: 2011-01-01
  isrc code: CZUM71100315
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T06:14:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x96da519e6b06bed0c06765a43c835a1501ab97ad31acb18e59c152c7b8418bb1
  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/CZUM71100315
  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 0x96da519e6b06bed0c06765a43c835a1501ab97ad31acb18e59c152c7b8418bb1. 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/CZUM71100315.
    date published: 2026-07-08T03:53:27Z

Párty Na Kolečkách
type: MusicAlbum
date published: 2010-01-01
track: Černej Pasažér
  type: MusicRecording
  duration: PT4M55S
  duration ms: 295186
  explicit: false
  by artist: Tap Tap
  by artist: Jaroslav Svoboda
  in album: Párty Na Kolečkách
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: CZH241000001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:55:02+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xca2b5dcbba42ec11962dd17b9d7eddc01af312385efb4353eda0030441377631
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH241000001
  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 0xca2b5dcbba42ec11962dd17b9d7eddc01af312385efb4353eda0030441377631. 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/CZH241000001.
    date published: 2026-07-08T03:22:41Z
track: Rehab
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220493
  explicit: false
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    type: MusicAlbum
    date published: 2010-01-01
track: Rosa V Kanadách
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231293
  explicit: false
  by artist: Tap Tap
  by artist: Tomáš Hanák
  in album: Párty Na Kolečkách
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: CZH241000003
track: Dáša Jedla Cukroví
  type: MusicRecording
  duration: PT1M58S
  duration ms: 118053
  explicit: false
  by artist: Tap Tap
  by artist: Zdeněk Svěrák
  in album: Párty Na Kolečkách
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: CZH241000004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T08:03:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7131e64238ca2b73e0d450e587ab31ca74c8b5532f9255c1e2cc3d98350aabfe
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH241000004
  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 0x7131e64238ca2b73e0d450e587ab31ca74c8b5532f9255c1e2cc3d98350aabfe. 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/CZH241000004.
    date published: 2026-07-08T03:53:27Z
track: My Friends
  type: MusicRecording
  duration: PT3M55S
  duration ms: 235466
  explicit: false
  by artist: Tap Tap
  by artist: Matej Ruppert
  in album: Párty Na Kolečkách
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: CZH241000005
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T19:36:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x026108dec7db6516a4c9e978fcc646038d445e2a8bf86d50381796d102ccf1af
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH241000005
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x026108dec7db6516a4c9e978fcc646038d445e2a8bf86d50381796d102ccf1af. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH241000005.
    date published: 2026-06-13T15:41:10Z
track: Hallelujah, I (Just) Love Her So
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174493
  explicit: false
  by artist: Tap Tap
  by artist: Kamil Strihavka
  by artist: Ewa Farna
  in album: Párty Na Kolečkách
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: CZH241000006
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T19:42:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9f462048627a83d0c714fcad56f11d07570577b6fa20d8f56a805662594f5114
  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/CZH241000006
  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 0x9f462048627a83d0c714fcad56f11d07570577b6fa20d8f56a805662594f5114. 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/CZH241000006.
    date published: 2026-07-08T03:20:19Z
track: The Tap Tap
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176466
  explicit: false
  by artist: Tap Tap
  in album: Párty Na Kolečkách
    type: MusicAlbum
    date published: 2010-01-01
  isrc code: CZH241000007
  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: Tancuju Hrozně Ráda
track: Koule Zvaná Svět
track: Vražedné Pobřeží
track: Slim Jim
track: Nic Není Na Stálo
track: Big Rudy
track: Na Tu Svatbu S Mojí Milou
track: Indiánská Dýmka Míru
track: 4CHRRR
track: Tvůj Kluk Jsem Já

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-07T14:20:29+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x9bc7f9e103b01c88bbb6f2320862d6d693963e08021d3b424f14524b3dea065c

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957124

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/957124

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH241000007

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

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 0x9bc7f9e103b01c88bbb6f2320862d6d693963e08021d3b424f14524b3dea065c. 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/CZH241000007.
date published: 2026-07-08T03:53:27Z

Tancuju Hrozně Ráda
type: MusicRecording
duration: PT3M0S
duration ms: 180760
explicit: false
by artist: Tap Tap
in album: Párty Na Kolečkách
  type: MusicAlbum
  date published: 2010-01-01

Koule Zvaná Svět
type: MusicRecording
duration: PT3M40S
duration ms: 220586
explicit: false
by artist: Tap Tap
by artist: Tomáš Hanák
in album: Párty Na Kolečkách
  type: MusicAlbum
  date published: 2010-01-01
isrc code: CZH241000009

Vražedné Pobřeží
type: MusicRecording
duration: PT2M27S
duration ms: 147026
explicit: false
by artist: Tap Tap
in album: Párty Na Kolečkách
  type: MusicAlbum
  date published: 2010-01-01

Slim Jim
type: MusicRecording
duration: PT4M3S
duration ms: 243013
explicit: false
by artist: Tap Tap
by artist: Dan Bárta
in album: Párty Na Kolečkách
  type: MusicAlbum
  date published: 2010-01-01
isrc code: CZH241000011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T20:20:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x946d3610fe90c8faef473cd422cfa714f7344422765c482ce7254a67288a1cd4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH241000011
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x946d3610fe90c8faef473cd422cfa714f7344422765c482ce7254a67288a1cd4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH241000011.
  date published: 2026-06-13T15:41:10Z

Nic Není Na Stálo
type: MusicRecording
duration: PT3M46S
duration ms: 226773
explicit: false
by artist: Tap Tap
by artist: David Koller
in album: Párty Na Kolečkách
  type: MusicAlbum
  date published: 2010-01-01
isrc code: CZH241000012

Big Rudy
type: MusicRecording
duration: PT4M0S
duration ms: 240213
explicit: false
by artist: Tap Tap
in album: Párty Na Kolečkách
  type: MusicAlbum
  date published: 2010-01-01

Na Tu Svatbu S Mojí Milou
type: MusicRecording
duration: PT2M23S
duration ms: 143000
explicit: false
by artist: Tap Tap
in album: Párty Na Kolečkách
  type: MusicAlbum
  date published: 2010-01-01
isrc code: CZH241000014

Indiánská Dýmka Míru
type: MusicRecording
duration: PT3M31S
duration ms: 211160
explicit: false
by artist: Tap Tap
by artist: Ondřej Hejma
in album: Párty Na Kolečkách
  type: MusicAlbum
  date published: 2010-01-01
isrc code: CZH241000015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:58:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8f739119e418390c8aef1c2865d581fbbb4cf3559ae8fa8c499c2dece04186f9
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/CZH241000015
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 0x8f739119e418390c8aef1c2865d581fbbb4cf3559ae8fa8c499c2dece04186f9. 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/CZH241000015.
  date published: 2026-07-08T03:53:27Z

4CHRRR
type: MusicRecording
duration: PT2M59S
duration ms: 179440
explicit: false
by artist: Tap Tap
in album: Párty Na Kolečkách
  type: MusicAlbum
  date published: 2010-01-01

Tvůj Kluk Jsem Já
type: MusicRecording
duration: PT3M12S
duration ms: 192786
explicit: false
by artist: Tap Tap
by artist: Robert Nebřenský
in album: Párty Na Kolečkách
  type: MusicAlbum
  date published: 2010-01-01

Kolja (Original Soundtrack)
type: MusicAlbum
date published: 1996-05-15
track: Spolu
  type: MusicRecording
  duration: PT0M51S
  duration ms: 51854
  explicit: false
  by artist: Ondřej Soukup
  in album: Kolja (Original Soundtrack)
    type: MusicAlbum
    date published: 1996-05-15
  isrc code: USHM21842221
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T23:55:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x44da91422491df173501859256d426c0230c6f9ec2862f977d27523c5f273eef
  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/USHM21842221
  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 0x44da91422491df173501859256d426c0230c6f9ec2862f977d27523c5f273eef. 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/USHM21842221.
    date published: 2026-07-02T03:55:08Z
track: Tajná Schůzka S Ruskou Nevěstou
  type: MusicRecording
  duration: PT0M44S
  duration ms: 44983
  explicit: false
  by artist: Ondřej Soukup
  by artist: Irina Livanova
  by artist: Lilian Malkina
  by artist: Ondřej Vetchý
  by artist: Zdeněk Svěrák
  in album: Kolja (Original Soundtrack)
    type: MusicAlbum
    date published: 1996-05-15
  isrc code: USHM21842222
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T12:43:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6edc3c02515d4c17637f7d00032f39b027b8349e95b2e96871694dce68368d58
  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/USHM21842222
  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 0x6edc3c02515d4c17637f7d00032f39b027b8349e95b2e96871694dce68368d58. 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/USHM21842222.
    date published: 2026-07-08T03:20:19Z
track: Vláček
  type: MusicRecording
  duration: PT1M0S
  duration ms: 60840
  explicit: false
  by artist: Ondřej Soukup
  by artist: The City of Prague Philharmonic Orchestra
  in album: Kolja (Original Soundtrack)
    type: MusicAlbum
    date published: 1996-05-15
  isrc code: USHM21842223
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T23:36:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2d05ac9d0a1a954ff76a22db5635e123a31691ed3bea20ea26a299a84c31196a
  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/USHM21842223
  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 0x2d05ac9d0a1a954ff76a22db5635e123a31691ed3bea20ea26a299a84c31196a. 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/USHM21842223.
    date published: 2026-07-08T03:20:19Z
track: Půjdeš K Hrobníkovi
  type: MusicRecording
  duration: PT0M18S
  duration ms: 18182
  explicit: false
  by artist: Ondřej Soukup
  by artist: Zdeněk Svěrák
  in album: Kolja (Original Soundtrack)
    type: MusicAlbum
    date published: 1996-05-15
track: Nové Boty
  type: MusicRecording
  duration: PT1M23S
  duration ms: 83723
  explicit: false
  by artist: Ondřej Soukup
  by artist: The City of Prague Philharmonic Orchestra
  in album: Kolja (Original Soundtrack)
    type: MusicAlbum
    date published: 1996-05-15
  isrc code: USHM21842225
track: Čemodan
  type: MusicRecording
  duration: PT0M18S
  duration ms: 18365
  explicit: false
  by artist: Ondřej Soukup
  by artist: Zdeněk Svěrák
  in album: Kolja (Original Soundtrack)
    type: MusicAlbum
    date published: 1996-05-15
track: Sám V Metru
  type: MusicRecording
  duration: PT0M43S
  duration ms: 43965
  explicit: false
  by artist: Ondřej Soukup
  by artist: The City of Prague Philharmonic Orchestra
  in album: Kolja (Original Soundtrack)
    type: MusicAlbum
    date published: 1996-05-15
  isrc code: USHM21842227
track: Jasnovidec
  type: MusicRecording
  duration: PT0M59S
  duration ms: 59455
  explicit: false
  by artist: Ondřej Soukup
  by artist: Jiří Sovák
  by artist: Zdeněk Svěrák
  in album: Kolja (Original Soundtrack)
    type: MusicAlbum
    date published: 1996-05-15
  isrc code: USHM21842228
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T09:45:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x89490c6d1cc09a0dbed19b038063147a53c1eebaa4172c5f4e4f41dfb8c08eac
  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
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Sám 2
track: Hlášení V Ruském Jazyce
track: V Horečce
track: Na Návštěvě Stb
track: Sám 3
track: Politicky Pronásledovaný Člověk
track: Dřevěná Káča
track: Žili Byli
track: Spolu 2
track: Vydra
track: Ilegální Činnost
track: Na Útěku
track: Spolu 3
track: Loučení
track: Tak To Бысмз Мзпи
track: Hospodin Jest Koljův Pastýř

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM21842228

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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 0x89490c6d1cc09a0dbed19b038063147a53c1eebaa4172c5f4e4f41dfb8c08eac. 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/USHM21842228.
date published: 2026-07-08T03:20:19Z

Sám 2
type: MusicRecording
duration: PT1M12S
duration ms: 72308
explicit: false
by artist: Ondřej Soukup
by artist: The City of Prague Philharmonic Orchestra
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15
isrc code: USHM21842229

Hlášení V Ruském Jazyce
type: MusicRecording
duration: PT0M25S
duration ms: 25470
explicit: false
by artist: Ondřej Soukup
by artist: Zdeněk Svěrák
by artist: Jana Altmanová
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15

V Horečce
type: MusicRecording
duration: PT1M10S
duration ms: 70636
explicit: false
by artist: Ondřej Soukup
by artist: The City of Prague Philharmonic Orchestra
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15
isrc code: USHM21842231

Na Návštěvě Stb
type: MusicRecording
duration: PT1M0S
duration ms: 60134
explicit: false
by artist: Ondřej Soukup
by artist: Miroslav Táborský
by artist: René Přibil
by artist: Andrej Chalimon
by artist: Zdeněk Svěrák
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15
isrc code: USHM21842232

Sám 3
type: MusicRecording
duration: PT1M10S
duration ms: 70583
explicit: false
by artist: Ondřej Soukup
by artist: The City of Prague Philharmonic Orchestra
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15
isrc code: USHM21842233

Politicky Pronásledovaný Člověk
type: MusicRecording
duration: PT0M46S
duration ms: 46838
explicit: false
by artist: Ondřej Soukup
by artist: Libuše Šafránková
by artist: Zdeněk Svěrák
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15
isrc code: USHM21842234

Dřevěná Káča
type: MusicRecording
duration: PT0M56S
duration ms: 56268
explicit: false
by artist: Ondřej Soukup
by artist: The City of Prague Philharmonic Orchestra
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15
isrc code: USHM21842235

Žili Byli
type: MusicRecording
duration: PT0M39S
duration ms: 39994
explicit: false
by artist: Ondřej Soukup
by artist: Andrej Chalimon
by artist: Zdeněk Svěrák
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15
isrc code: USHM21842236

Spolu 2
type: MusicRecording
duration: PT1M4S
duration ms: 64601
explicit: false
by artist: Ondřej Soukup
by artist: The City of Prague Philharmonic Orchestra
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15
isrc code: USHM21842237

Vydra
type: MusicRecording
duration: PT0M50S
duration ms: 50312
explicit: false
by artist: Ondřej Soukup
by artist: Andrej Chalimon
by artist: Zdeněk Svěrák
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15
isrc code: USHM21842238

Ilegální Činnost
type: MusicRecording
duration: PT0M31S
duration ms: 31635
explicit: false
by artist: Ondřej Soukup
by artist: Ladislav Smoljak
by artist: Zdeněk Svěrák
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15
isrc code: USHM21842239

Na Útěku
type: MusicRecording
duration: PT0M37S
duration ms: 37434
explicit: false
by artist: Ondřej Soukup
by artist: The City of Prague Philharmonic Orchestra
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15

Spolu 3
type: MusicRecording
duration: PT0M55S
duration ms: 55459
explicit: false
by artist: Ondřej Soukup
by artist: The City of Prague Philharmonic Orchestra
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15
isrc code: USHM21842241
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:28:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1b2bc7b91ce44a93fe2118be4f49b0fc29c3194e106cc9d9b574a840172903dc
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/USHM21842241
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 0x1b2bc7b91ce44a93fe2118be4f49b0fc29c3194e106cc9d9b574a840172903dc. 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/USHM21842241.
  date published: 2026-07-08T03:20:19Z

Loučení
type: MusicRecording
duration: PT0M9S
duration ms: 9170
explicit: false
by artist: Ondřej Soukup
by artist: Andrej Chalimon
by artist: Zdeněk Svěrák
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15

Tak To Бысмз Мзпи
type: MusicRecording
duration: PT0M7S
duration ms: 7863
explicit: false
by artist: Ondřej Soukup
by artist: Andrej Chalimon
by artist: Zdeněk Svěrák
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15

Hospodin Jest Koljův Pastýř
type: MusicRecording
duration: PT2M31S
duration ms: 151537
explicit: false
by artist: Ondřej Soukup
by artist: The City of Prague Philharmonic Orchestra
by artist: Andrej Chalimon
in album: Kolja (Original Soundtrack)
  type: MusicAlbum
  date published: 1996-05-15
isrc code: USHM21842244
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:56:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x556cb0a2d171ad58d4acdf75abc976ca1fcdb1a344fc5ac176ec5e23afcd6c6c
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/USHM21842244
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 0x556cb0a2d171ad58d4acdf75abc976ca1fcdb1a344fc5ac176ec5e23afcd6c6c. 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/USHM21842244.
  date published: 2026-07-08T03:53:27Z

Ondřej Ruml zpívá Ježka, Voskovce a Wericha
type: MusicAlbum
date published: 2014-10-13
track: Klobouk ve křoví
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265626
  explicit: false
  by artist: Ondřej Ruml
  in album: Ondřej Ruml zpívá Ježka, Voskovce a Wericha
    type: MusicAlbum
    date published: 2014-10-13
  isrc code: CZA231400230
track: Tmavomodrý svět
  type: MusicRecording
  duration: PT4M8S
  duration ms: 248226
  explicit: false
  by artist: Ondřej Ruml
  in album: Ondřej Ruml zpívá Ježka, Voskovce a Wericha
    type: MusicAlbum
    date published: 2014-10-13
  isrc code: CZA231400231
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:55:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9fb7e8168cc4b6df8c75007aa7976568a8ff184264473be6ad252eba945c66dd
  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/CZA231400231
  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 0x9fb7e8168cc4b6df8c75007aa7976568a8ff184264473be6ad252eba945c66dd. 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/CZA231400231.
    date published: 2026-07-08T03:22:41Z
track: Tři strážníci - feat. Ondřej Brzobohatý & Ondřej Macháček
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170586
  explicit: false
  by artist: Ondřej Ruml
  by artist: Ondrej Brzobohaty
  by artist: Ondřej Macháček
  in album: Ondřej Ruml zpívá Ježka, Voskovce a Wericha
    type: MusicAlbum
    date published: 2014-10-13
  isrc code: CZA231400232
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T21:03:25+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x39ae7cee043f197d3149e6f21b806d0d152a0bd09e17c4c6ba9c4e73c2fbca99
  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/CZA231400232
  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 0x39ae7cee043f197d3149e6f21b806d0d152a0bd09e17c4c6ba9c4e73c2fbca99. 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/CZA231400232.
    date published: 2026-07-08T03:20:19Z
track: Svítá
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241773
  explicit: false
  by artist: Ondřej Ruml
  in album: Ondřej Ruml zpívá Ježka, Voskovce a Wericha
    type: MusicAlbum
    date published: 2014-10-13
  isrc code: CZA231400233
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:18:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9a5aa43724544d6d20ce77330eeb5c4350652507f104dd08b2581c80ec6b26bf
  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/CZA231400233
  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 0x9a5aa43724544d6d20ce77330eeb5c4350652507f104dd08b2581c80ec6b26bf. 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/CZA231400233.
    date published: 2026-07-08T03:20:19Z
track: Potopa
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178293
  explicit: false
  by artist: Ondřej Ruml
  in album: Ondřej Ruml zpívá Ježka, Voskovce a Wericha
    type: MusicAlbum
    date published: 2014-10-13
  isrc code: CZA231400234
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T01:01:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb8e07c4a53ed316f3fd60f762943b89c8a4f5f999869578e05ebd856c7f5d4df
  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/CZA231400234
  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 0xb8e07c4a53ed316f3fd60f762943b89c8a4f5f999869578e05ebd856c7f5d4df. 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/CZA231400234.
    date published: 2026-07-08T03:20:19Z
track: Život je jen náhoda - Intro
  type: MusicRecording
  duration: PT1M30S
  duration ms: 90800
  explicit: false
  by artist: Ondřej Ruml
  in album: Ondřej Ruml zpívá Ježka, Voskovce a Wericha
    type: MusicAlbum
    date published: 2014-10-13
  isrc code: CZA231400235
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T14:38:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb1da62f85f43ed8358f1d47a8baa43450904d5cea59aa31fac150f9e4f9d2d50
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Život je jen náhoda
track: Kat a blázen
track: Stonožka - feat. Zdeněk Svěrák
track: David a Goliáš
track: Nebe na zemi
track: Šaty dělaj člověka
track: Ezop a brabenec

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/957145

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA231400235

OTSTimestamp
type: PropertyValue
value: 2026-07-08T08:56:20Z

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 0xb1da62f85f43ed8358f1d47a8baa43450904d5cea59aa31fac150f9e4f9d2d50. 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/CZA231400235.
date published: 2026-07-08T08:56:20Z

Život je jen náhoda
type: MusicRecording
duration: PT4M55S
duration ms: 295213
explicit: false
by artist: Ondřej Ruml
in album: Ondřej Ruml zpívá Ježka, Voskovce a Wericha
  type: MusicAlbum
  date published: 2014-10-13
isrc code: CZA231400236

Kat a blázen
type: MusicRecording
duration: PT4M11S
duration ms: 251000
explicit: false
by artist: Ondřej Ruml
in album: Ondřej Ruml zpívá Ježka, Voskovce a Wericha
  type: MusicAlbum
  date published: 2014-10-13
isrc code: CZA231400237

Stonožka - feat. Zdeněk Svěrák
type: MusicRecording
duration: PT2M28S
duration ms: 148666
explicit: false
by artist: Ondřej Ruml
by artist: Zdeněk Svěrák
in album: Ondřej Ruml zpívá Ježka, Voskovce a Wericha
  type: MusicAlbum
  date published: 2014-10-13
isrc code: CZA231400238
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:19:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x43a98d9959be082d65fafe627b4c399a3b68c063a8cc48beed2555f463f9a969
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/CZA231400238
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 0x43a98d9959be082d65fafe627b4c399a3b68c063a8cc48beed2555f463f9a969. 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/CZA231400238.
  date published: 2026-07-08T03:22:41Z

David a Goliáš
type: MusicRecording
duration: PT2M54S
duration ms: 174866
explicit: false
by artist: Ondřej Ruml
in album: Ondřej Ruml zpívá Ježka, Voskovce a Wericha
  type: MusicAlbum
  date published: 2014-10-13
isrc code: CZA231400239
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:40:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbf74f9bdc8b3bc17390a2864ca477555c419fa6b9ea95a2f3e56aac25a7e42a5
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/CZA231400239
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 0xbf74f9bdc8b3bc17390a2864ca477555c419fa6b9ea95a2f3e56aac25a7e42a5. 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/CZA231400239.
  date published: 2026-07-08T03:53:27Z

Nebe na zemi
type: MusicRecording
duration: PT4M33S
duration ms: 273960
explicit: false
by artist: Ondřej Ruml
in album: Ondřej Ruml zpívá Ježka, Voskovce a Wericha
  type: MusicAlbum
  date published: 2014-10-13
isrc code: CZA231400240

Šaty dělaj člověka
type: MusicRecording
duration: PT7M33S
duration ms: 453162
explicit: false
by artist: Ondřej Ruml
in album: Ondřej Ruml zpívá Ježka, Voskovce a Wericha
  type: MusicAlbum
  date published: 2014-10-13
isrc code: CZA231400241

Ezop a brabenec
type: MusicRecording
duration: PT1M47S
duration ms: 107330
explicit: false
by artist: Ondřej Ruml
in album: Ondřej Ruml zpívá Ježka, Voskovce a Wericha
  type: MusicAlbum
  date published: 2014-10-13
isrc code: CZA231400242

Vratné Lahve (Original Soundtrack)
type: MusicAlbum
date published: 2007-03-08
track: Ani K Stáru
  type: MusicRecording
  duration: PT2M20S
  duration ms: 140226
  explicit: false
  by artist: Zdeněk Svěrák
  in album: Vratné Lahve (Original Soundtrack)
    type: MusicAlbum
    date published: 2007-03-08
  isrc code: USHM81892471
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T09:41:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8b8b09d1bb5d6b01ee16a16aecf5e902c949fff2a826dfbf67dd32f587be7e97
  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/USHM81892471
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    date published: 2026-07-02T03:55:08Z
track: V Ředitelně
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track: Symfonie Č.10: I. Adagio, Část 1
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Symfonie Č.10: I. Adagio, Část 2
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Symfonie Č.10: I. Adagio, Část 3
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Mládek zpívá Svěráka a naopak
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Po Strnisti Bos
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Po Strnisti Bos
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Usinani
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Sen
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Letni Boure
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Tajemne Vanoce
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Rolnicky
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Vekovy Rozdil
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Smrt Vlka
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Epilog
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