Polish Chamber Choir
type: MusicGroup
genre: choral
genre: gregorian chant
genre: medieval
popularity: 22
followers: 435
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953407
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/d6c43009-6014-4c74-aa42-e2bd3e7aa366.ots
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d6c43009-6014-4c74-aa42-e2bd3e7aa366
additional property: OTSTimestamp
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  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0xe9c325144d462b311f642f90cc2784a8d2775f0395284a8ea930eece6e00d0c9","name":"Polish Chamber Choir","registered_at":"2026-06-12T10:59:32Z","symbol":"NIM0277310","token_address":"0x9af880caeaf801fa2b418ba1c401de0ccefdc790","type":"artist","uuid":"d6c43009-6014-4c74-aa42-e2bd3e7aa366"}
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 0xe9c325144d462b311f642f90cc2784a8d2775f0395284a8ea930eece6e00d0c9. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d6c43009-6014-4c74-aa42-e2bd3e7aa366.json and https://artists.proofprofile.net/proofs/artist/d6c43009-6014-4c74-aa42-e2bd3e7aa366.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xe9c325144d462b311f642f90cc2784a8d2775f0395284a8ea930eece6e00d0c9","name":"Polish Chamber Choir","registered_at":"2026-06-12T10:59:32Z","symbol":"NIM0277310","token_address":"0x9af880caeaf801fa2b418ba1c401de0ccefdc790","type":"artist","uuid":"d6c43009-6014-4c74-aa42-e2bd3e7aa366"}
album: Kilar, Penderecki, Borkowski, Łukaszewski, Chyrzyński, Kowalski-Banasewicz
  type: MusicAlbum
  date published: 1970-01-01
  track: Wojciech Kilar: Lament
    type: MusicRecording
    duration: PT17M10S
    duration ms: 1030440
    explicit: false
    by artist: Polish Chamber Choir
    in album: Kilar, Penderecki, Borkowski, Łukaszewski, Chyrzyński, Kowalski-Banasewicz
      type: MusicAlbum
      date published: 1970-01-01
  track: Krzysztof Penderecki: Veni creator spiritus
    type: MusicRecording
    duration: PT6M41S
    duration ms: 401800
    explicit: false
    by artist: Polish Chamber Choir
    in album: Kilar, Penderecki, Borkowski, Łukaszewski, Chyrzyński, Kowalski-Banasewicz
      type: MusicAlbum
      date published: 1970-01-01
  track: Krzysztof Penderecki: Benedictus
    type: MusicRecording
    duration: PT3M18S
    duration ms: 198146
    explicit: false
    by artist: Polish Chamber Choir
    in album: Kilar, Penderecki, Borkowski, Łukaszewski, Chyrzyński, Kowalski-Banasewicz
      type: MusicAlbum
      date published: 1970-01-01
  track: Marcel Chyrzyński: ...similes esse bestiis...
    type: MusicRecording
    duration: PT6M16S
    duration ms: 376066
    explicit: false
    by artist: Polish Chamber Choir
    in album: Kilar, Penderecki, Borkowski, Łukaszewski, Chyrzyński, Kowalski-Banasewicz
      type: MusicAlbum
      date published: 1970-01-01
  track: Bartosz Kowalski-Banasewicz: Lacrimosa
    type: MusicRecording
    duration: PT5M8S
    duration ms: 308533
    explicit: false
    by artist: Polish Chamber Choir
    in album: Kilar, Penderecki, Borkowski, Łukaszewski, Chyrzyński, Kowalski-Banasewicz
      type: MusicAlbum
      date published: 1970-01-01
  track: Paweł Łukaszewski: Hommage à Edith Stein, I. Tagesgebet
    type: MusicRecording
    duration: PT3M0S
    duration ms: 180653
    explicit: false
    by artist: Polish Chamber Choir
    in album: Kilar, Penderecki, Borkowski, Łukaszewski, Chyrzyński, Kowalski-Banasewicz
      type: MusicAlbum
      date published: 1970-01-01
  track: Paweł Łukaszewski: Hommage à Edith Stein, II. Gabengebet
    type: MusicRecording
    duration: PT2M28S
    duration ms: 148333
    explicit: false
    by artist: Polish Chamber Choir
    in album: Kilar, Penderecki, Borkowski, Łukaszewski, Chyrzyński, Kowalski-Banasewicz
      type: MusicAlbum
      date published: 1970-01-01
  track: Paweł Łukaszewski: Hommage à Edith Stein, III. Schlussgebet
    type: MusicRecording
    duration: PT2M37S
    duration ms: 157346
    explicit: false
    by artist: Polish Chamber Choir
    in album: Kilar, Penderecki, Borkowski, Łukaszewski, Chyrzyński, Kowalski-Banasewicz
      type: MusicAlbum
      date published: 1970-01-01
  track: Marian Borkowski: LIbera me
    type: MusicRecording
    duration: PT5M9S
    duration ms: 309560
    explicit: false
    by artist: Polish Chamber Choir
    in album: Kilar, Penderecki, Borkowski, Łukaszewski, Chyrzyński, Kowalski-Banasewicz
      type: MusicAlbum
      date published: 1970-01-01
album: Leon Łukaszewski: Choral Music
  type: MusicAlbum
  date published: 1970-01-01
  track: Od morza jesteśmy
    type: MusicRecording
    duration: PT2M9S
    duration ms: 129840
    explicit: false
    by artist: Polish Chamber Choir
    in album: Leon Łukaszewski: Choral Music
      type: MusicAlbum
      date published: 1970-01-01
  track: Trzy obrazki morskie: I. Fale
    type: MusicRecording
    duration: PT2M54S
    duration ms: 174226
    explicit: false
    by artist: Polish Chamber Choir
    in album: Leon Łukaszewski: Choral Music
      type: MusicAlbum
      date published: 1970-01-01
  track: Trzy obrazki morskie: II. Żółty kuter
    type: MusicRecording
    duration: PT3M17S
    duration ms: 197893
    explicit: false
    by artist: Polish Chamber Choir
    in album: Leon Łukaszewski: Choral Music
      type: MusicAlbum
      date published: 1970-01-01
  track: Trzy obrazki morskie: III. Sieci
    type: MusicRecording
    duration: PT3M26S
    duration ms: 206573
    explicit: false
    by artist: Polish Chamber Choir
    in album: Leon Łukaszewski: Choral Music
      type: MusicAlbum
      date published: 1970-01-01
  track: Limba
    type: MusicRecording
    duration: PT1M46S
    duration ms: 106880
    explicit: false
    by artist: Polish Chamber Choir
    in album: Leon Łukaszewski: Choral Music
      type: MusicAlbum
      date published: 1970-01-01
  track: Dajcie dzieciom słońce
    type: MusicRecording
    duration: PT5M29S
    duration ms: 329386
    explicit: false
    by artist: Polish Chamber Choir
    in album: Leon Łukaszewski: Choral Music
      type: MusicAlbum
      date published: 1970-01-01
  track: Quincunx: I. Trzmiel i żuk
    type: MusicRecording
    duration: PT1M25S
    duration ms: 85520
    explicit: false
    by artist: Polish Chamber Choir
    in album: Leon Łukaszewski: Choral Music
      type: MusicAlbum
      date published: 1970-01-01
  track: Quincunx: II. Do kukułki
    type: MusicRecording
    duration: PT3M5S
    duration ms: 185280
    explicit: false
    by artist: Polish Chamber Choir
    in album: Leon Łukaszewski: Choral Music
      type: MusicAlbum
      date published: 1970-01-01
  track: Quincunx: III. Jak się najlepiej opędzać od szerszenia
    type: MusicRecording
    duration: PT2M54S
    duration ms: 174320
    explicit: false
    by artist: Polish Chamber Choir
    in album: Leon Łukaszewski: Choral Music
  track: Quincunx: IV. Kołysanka gniadego konia
  track: Quincunx: V. Myszki
  track: Hej, kolęda, kolęda
  track: Muchoreczek
  track: Të z Dargòlewa
  track: Dwie pieśni kaszubskie: I. W cemnym lese
  track: Dwie pieśni kaszubskie: II. Wieselé
  track: Òwczórz (z cyklu „8 pieśni kaszubskich”)
  track: Ach, mój wiónku lewańdowi (z cyklu „20 pieśni kaszubskich”)
  track: Szëmiała leszczëna (z cyklu „20 pieśni kaszubskich”)
  track: Mòdré òczka (z cyklu „20 pieśni kaszubskich”)
  track: Marëszka (z cyklu „20 pieśni kaszubskich”)
album: New Polish Music For Choir
album: Polish Choral Music
album: Jubilate
album: Zeidler & Habel: Sacred Works
album: Musica Sacra & Gaude Mater 2005-2009
track: Veni Creator
track: Alleluja
track: Seignor, sachies, qui or ne s'en ira (chanson de croisade)
track: Chanterai por mon corage
track: Maugrez tous sainz - Li almas mors
track: Carmina Burana: Imperator Rex Graecorum
track: Crux fidelis
track: Quant amors trobet partit
track: Ich han nach lieben friunde
track: Ahi, amours, con dure departie
track: Nu alrest leb ich mir werde, "Palastinalied"
track: Gaudens in Domino

Polish Chamber Choir
type: MusicGroup

Leon Łukaszewski: Choral Music
type: MusicAlbum
date published: 1970-01-01

Quincunx: IV. Kołysanka gniadego konia
type: MusicRecording
duration: PT3M42S
duration ms: 222546
explicit: false
by artist: Polish Chamber Choir
in album: Leon Łukaszewski: Choral Music
  type: MusicAlbum
  date published: 1970-01-01

Quincunx: V. Myszki
type: MusicRecording
duration: PT2M35S
duration ms: 155693
explicit: false
by artist: Polish Chamber Choir
in album: Leon Łukaszewski: Choral Music
  type: MusicAlbum
  date published: 1970-01-01

Hej, kolęda, kolęda
type: MusicRecording
duration: PT1M50S
duration ms: 110773
explicit: false
by artist: Polish Chamber Choir
in album: Leon Łukaszewski: Choral Music
  type: MusicAlbum
  date published: 1970-01-01

Muchoreczek
type: MusicRecording
duration: PT1M5S
duration ms: 65973
explicit: false
by artist: Polish Chamber Choir
in album: Leon Łukaszewski: Choral Music
  type: MusicAlbum
  date published: 1970-01-01

Të z Dargòlewa
type: MusicRecording
duration: PT1M48S
duration ms: 108413
explicit: false
by artist: Polish Chamber Choir
in album: Leon Łukaszewski: Choral Music
  type: MusicAlbum
  date published: 1970-01-01

Dwie pieśni kaszubskie: I. W cemnym lese
type: MusicRecording
duration: PT1M53S
duration ms: 113320
explicit: false
by artist: Polish Chamber Choir
in album: Leon Łukaszewski: Choral Music
  type: MusicAlbum
  date published: 1970-01-01

Dwie pieśni kaszubskie: II. Wieselé
type: MusicRecording
duration: PT1M2S
duration ms: 62920
explicit: false
by artist: Polish Chamber Choir
in album: Leon Łukaszewski: Choral Music
  type: MusicAlbum
  date published: 1970-01-01

Òwczórz (z cyklu „8 pieśni kaszubskich”)
type: MusicRecording
duration: PT2M32S
duration ms: 152026
explicit: false
by artist: Polish Chamber Choir
in album: Leon Łukaszewski: Choral Music
  type: MusicAlbum
  date published: 1970-01-01

Ach, mój wiónku lewańdowi (z cyklu „20 pieśni kaszubskich”)
type: MusicRecording
duration: PT2M15S
duration ms: 135226
explicit: false
by artist: Polish Chamber Choir
in album: Leon Łukaszewski: Choral Music
  type: MusicAlbum
  date published: 1970-01-01

Szëmiała leszczëna (z cyklu „20 pieśni kaszubskich”)
type: MusicRecording
duration: PT1M3S
duration ms: 63026
explicit: false
by artist: Polish Chamber Choir
in album: Leon Łukaszewski: Choral Music
  type: MusicAlbum
  date published: 1970-01-01

Mòdré òczka (z cyklu „20 pieśni kaszubskich”)
type: MusicRecording
duration: PT2M15S
duration ms: 135346
explicit: false
by artist: Polish Chamber Choir
in album: Leon Łukaszewski: Choral Music
  type: MusicAlbum
  date published: 1970-01-01

Marëszka (z cyklu „20 pieśni kaszubskich”)
type: MusicRecording
duration: PT1M9S
duration ms: 69733
explicit: false
by artist: Polish Chamber Choir
in album: Leon Łukaszewski: Choral Music
  type: MusicAlbum
  date published: 1970-01-01

New Polish Music For Choir
type: MusicAlbum
date published: 1970-01-01
track: Agnus Dei
  type: MusicRecording
  duration: PT4M19S
  duration ms: 259053
  explicit: false
  by artist: Polish Chamber Choir
  in album: New Polish Music For Choir
    type: MusicAlbum
    date published: 1970-01-01
track: Psalmus 82
  type: MusicRecording
  duration: PT5M58S
  duration ms: 358693
  explicit: false
  by artist: Polish Chamber Choir
  in album: New Polish Music For Choir
    type: MusicAlbum
    date published: 1970-01-01
track: Veni sancte spiritus
  type: MusicRecording
  duration: PT8M35S
  duration ms: 515106
  explicit: false
  by artist: Polish Chamber Choir
  in album: New Polish Music For Choir
    type: MusicAlbum
    date published: 1970-01-01
track: Veni. Illumina. Gloria
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268040
  explicit: false
  by artist: Polish Chamber Choir
  in album: New Polish Music For Choir
    type: MusicAlbum
    date published: 1970-01-01
track: Wiej wichrze zimowy
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265960
  explicit: false
  by artist: Polish Chamber Choir
  in album: New Polish Music For Choir
    type: MusicAlbum
    date published: 1970-01-01
track: Agnus Dei
  type: MusicRecording
  duration: PT4M3S
  duration ms: 243480
  explicit: false
  by artist: Polish Chamber Choir
  in album: New Polish Music For Choir
    type: MusicAlbum
    date published: 1970-01-01
track: Litania
  type: MusicRecording
  duration: PT5M37S
  duration ms: 337706
  explicit: false
  by artist: Polish Chamber Choir
  in album: New Polish Music For Choir
    type: MusicAlbum
    date published: 1970-01-01
track: Catulli Carmina
  type: MusicRecording
  duration: PT5M18S
  duration ms: 318613
  explicit: false
  by artist: Polish Chamber Choir
  in album: New Polish Music For Choir
    type: MusicAlbum
    date published: 1970-01-01
track: Crucifixus...et resurrexit
  type: MusicRecording
  duration: PT9M59S
  duration ms: 599373
  explicit: false
  by artist: Polish Chamber Choir
  in album: New Polish Music For Choir
    type: MusicAlbum
    date published: 1970-01-01
track: Ave. Alleluia. Amen
  type: MusicRecording
  duration: PT6M10S
  duration ms: 370840
  explicit: false
  by artist: Polish Chamber Choir
  in album: New Polish Music For Choir
    type: MusicAlbum
    date published: 1970-01-01
track: Miserere
  type: MusicRecording
  duration: PT7M40S
  duration ms: 460866
  explicit: false
  by artist: Polish Chamber Choir
  in album: New Polish Music For Choir
    type: MusicAlbum
    date published: 1970-01-01
track: Psalmus 102
  type: MusicRecording
  duration: PT8M5S
  duration ms: 485173
  explicit: false
  by artist: Polish Chamber Choir
  in album: New Polish Music For Choir
    type: MusicAlbum
    date published: 1970-01-01
track: Naucz mnie, Panie
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214213
  explicit: false
  by artist: Polish Chamber Choir
  in album: New Polish Music For Choir
    type: MusicAlbum
    date published: 1970-01-01

Polish Choral Music
type: MusicAlbum
date published: 1970-01-01
track: Unitis viribus: No. 1, Crux-lux
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191173
  explicit: false
  by artist: Polish Chamber Choir
  in album: Polish Choral Music
    type: MusicAlbum
    date published: 1970-01-01
track: Unitis viribus: No. 2, Ad multos annos
  type: MusicRecording
  duration: PT2M23S
  duration ms: 143813
  explicit: false
  by artist: Polish Chamber Choir
  in album: Polish Choral Music
    type: MusicAlbum
    date published: 1970-01-01
track: Anima Christi
  type: MusicRecording
  duration: PT4M48S
  duration ms: 288746
  explicit: false
  by artist: Polish Chamber Choir
  in album: Polish Choral Music
    type: MusicAlbum
    date published: 1970-01-01
track: Apocalypsis: No. 1, Festivo
  type: MusicRecording
  duration: PT5M25S
  duration ms: 325053
  explicit: false
  by artist: Polish Chamber Choir
  in album: Polish Choral Music
    type: MusicAlbum
    date published: 1970-01-01
track: Apocalypsis: No. 2, Misterioso con dolcezza
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175426
  explicit: false
  by artist: Polish Chamber Choir
  in album: Polish Choral Music
    type: MusicAlbum
    date published: 1970-01-01
track: Apocalypsis: No. 3, Teneramente
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151440
  explicit: false
  by artist: Polish Chamber Choir
  in album: Polish Choral Music
    type: MusicAlbum
    date published: 1970-01-01
track: Apocalypsis: No. 4, Espressivo molto
  type: MusicRecording
  duration: PT4M53S
  duration ms: 293160
  explicit: false
  by artist: Polish Chamber Choir
  in album: Polish Choral Music
    type: MusicAlbum
    date published: 1970-01-01
track: Apocalypsis: No. 5, Gioioso sonore
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138680
  explicit: false
  by artist: Polish Chamber Choir
  in album: Polish Choral Music
    type: MusicAlbum
    date published: 1970-01-01
track: Lumen
  type: MusicRecording
  duration: PT5M15S
  duration ms: 315546
  explicit: false
  by artist: Polish Chamber Choir
  in album: Polish Choral Music
    type: MusicAlbum
    date published: 1970-01-01
track: Et...
  type: MusicRecording
  duration: PT13M37S
  duration ms: 817666
  explicit: false
  by artist: Polish Chamber Choir
  in album: Polish Choral Music
    type: MusicAlbum
    date published: 1970-01-01
track: W górze nad nami
  type: MusicRecording
  duration: PT17M35S
  duration ms: 1055560
  explicit: false
  by artist: Polish Chamber Choir
  in album: Polish Choral Music
    type: MusicAlbum
    date published: 1970-01-01
track: My też pastuszkowie
  type: MusicRecording
  duration: PT1M50S
  duration ms: 110466
  explicit: false
  by artist: Polish Chamber Choir
  in album: Polish Choral Music
    type: MusicAlbum
    date published: 1970-01-01

Jubilate
type: MusicAlbum
date published: 2018-07-06
track: Jubilate Deo
  type: MusicRecording
  duration: PT4M46S
  duration ms: 286786
  explicit: false
  by artist: Polish Chamber Choir
  in album: Jubilate
    type: MusicAlbum
    date published: 2018-07-06
track: Kyrie
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261600
  explicit: false
  by artist: Polish Chamber Choir
  in album: Jubilate
    type: MusicAlbum
    date published: 2018-07-06
track: Salve Regina
  type: MusicRecording
  duration: PT5M6S
  duration ms: 306013
  explicit: false
  by artist: Polish Chamber Choir
  in album: Jubilate
    type: MusicAlbum
    date published: 2018-07-06
track: Modlitwa świętego Bernarda
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211120
  explicit: false
  by artist: Polish Chamber Choir
  in album: Jubilate
    type: MusicAlbum
    date published: 2018-07-06
track: Senna kolęda
  type: MusicRecording
  duration: PT5M8S
  duration ms: 308760
  explicit: false
  by artist: Polish Chamber Choir
  in album: Jubilate
    type: MusicAlbum
    date published: 2018-07-06
track: Betlejemska gwiazda
  type: MusicRecording
  duration: PT7M4S
  duration ms: 424720
  explicit: false
  by artist: Polish Chamber Choir
  in album: Jubilate
    type: MusicAlbum
    date published: 2018-07-06
track: 6 Pieśni, Op. 18: No. 4, Nad wodą wielką i czystą (Arr. I. Łukaszewski)
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188026
  explicit: false
  by artist: Polish Chamber Choir
  in album: Jubilate
    type: MusicAlbum
    date published: 2018-07-06
track: 4 Pieśni, Op. 7 (Arr. I. Łukaszewski): No. 1, Gdy ostatnia róża zwiędła
  type: MusicRecording
  duration: PT2M4S
  duration ms: 124600
  explicit: false
  by artist: Polish Chamber Choir
  in album: Jubilate
    type: MusicAlbum
    date published: 2018-07-06
track: 4 Pieśni, Op. 7 (Arr. I. Łukaszewski): No. 2, Siwy koniu
  type: MusicRecording
  duration: PT1M40S
  duration ms: 100240
  explicit: false
  by artist: Polish Chamber Choir
  in album: Jubilate
    type: MusicAlbum
    date published: 2018-07-06
track: 4 Pieśni, Op. 7 (Arr. I. Łukaszewski): No. 3, Szumi w gaju brzezina
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208280
  explicit: false
  by artist: Polish Chamber Choir
  in album: Jubilate
    type: MusicAlbum
    date published: 2018-07-06
track: 4 Pieśni, Op. 7 (Arr. I. Łukaszewski): No. 4, Chłopca mego mi zabrali
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210680
  explicit: false
  by artist: Polish Chamber Choir
  in album: Jubilate
    type: MusicAlbum
    date published: 2018-07-06
track: 17 Pieśni, Op. 74 (Excerpts Arr. I. Łukaszewski): No. 1, Życzenie
  type: MusicRecording
  duration: PT1M45S
  duration ms: 105093
  explicit: false
  by artist: Polish Chamber Choir
  in album: Jubilate
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Zeidler & Habel: Sacred Works
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Zeidler & Habel: Sacred Works
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Musica Sacra & Gaude Mater 2005-2009
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Veni Creator
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Alleluja
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Seignor, sachies, qui or ne s'en ira (chanson de croisade)
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Chanterai por mon corage
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Maugrez tous sainz - Li almas mors
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Carmina Burana: Imperator Rex Graecorum
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Crux fidelis
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  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 0x38cc8fd755d14da1be30cfeac9d0334809827b6af323931e537574bd8e66ff9d. 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/DEB909600906.
  date published: 2026-07-08T03:22:41Z

Quant amors trobet partit
type: MusicRecording
duration: PT5M24S
duration ms: 324733
explicit: false
by artist: Peirol
by artist: Sigrid Hausen
by artist: Alexander Veljanov
by artist: Tobias Schlierf
by artist: Polish Chamber Choir
by artist: Estampie
by artist: Michael Popp
in album: Thibaut De Champagne: Seignor, Sachies, Qui or Ne S'En Ira / Guiot De Dijon: Chanterai Por Mon Corage (Crusaders)
  type: MusicAlbum
  date published: 1996-01-01
isrc code: DEB909600907
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:57:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2aa0f713a4f8d1560ab97592c9d261696c117e2f49c6ea96859fe480c9cd410f
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/DEB909600907
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 0x2aa0f713a4f8d1560ab97592c9d261696c117e2f49c6ea96859fe480c9cd410f. 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/DEB909600907.
  date published: 2026-07-08T03:22:41Z

Ich han nach lieben friunde
type: MusicRecording
duration: PT5M0S
duration ms: 300773
explicit: false
by artist: Anonymous
by artist: Sigrid Hausen
by artist: Alexander Veljanov
by artist: Tobias Schlierf
by artist: Polish Chamber Choir
by artist: Estampie
by artist: Michael Popp
in album: Thibaut De Champagne: Seignor, Sachies, Qui or Ne S'En Ira / Guiot De Dijon: Chanterai Por Mon Corage (Crusaders)
  type: MusicAlbum
  date published: 1996-01-01
isrc code: DEB909600908
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:42:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x708b66f6d56d3caa7d454d7e9dc70d3696d793413a5c21e315605fdd64f8e0f3
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/DEB909600908
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 0x708b66f6d56d3caa7d454d7e9dc70d3696d793413a5c21e315605fdd64f8e0f3. 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/DEB909600908.
  date published: 2026-07-08T03:20:19Z

Ahi, amours, con dure departie
type: MusicRecording
duration: PT5M11S
duration ms: 311266
explicit: false
by artist: Conon de Béthune
by artist: Sigrid Hausen
by artist: Alexander Veljanov
by artist: Tobias Schlierf
by artist: Polish Chamber Choir
by artist: Estampie
by artist: Michael Popp
in album: Thibaut De Champagne: Seignor, Sachies, Qui or Ne S'En Ira / Guiot De Dijon: Chanterai Por Mon Corage (Crusaders)
  type: MusicAlbum
  date published: 1996-01-01
isrc code: DEB909600909
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/0x89b1dcdf3410783c0996add5a55f5903b99a98ac4e7aa97f2f19c206c2d99ead
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/DEB909600909
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 0x89b1dcdf3410783c0996add5a55f5903b99a98ac4e7aa97f2f19c206c2d99ead. 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/DEB909600909.
  date published: 2026-07-08T03:22:41Z

Nu alrest leb ich mir werde, "Palastinalied"
type: MusicRecording
duration: PT4M40S
duration ms: 280866
explicit: false
by artist: Walther von der Vogelweide
by artist: Sigrid Hausen
by artist: Alexander Veljanov
by artist: Tobias Schlierf
by artist: Polish Chamber Choir
by artist: Estampie
by artist: Michael Popp
in album: Thibaut De Champagne: Seignor, Sachies, Qui or Ne S'En Ira / Guiot De Dijon: Chanterai Por Mon Corage (Crusaders)
  type: MusicAlbum
  date published: 1996-01-01
isrc code: DEB909600911
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T15:33:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2455e41ba637fefb33ee78587ff1c69ca6ab3b30c7f3392420a075a3e1221a12
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/DEB909600911
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 0x2455e41ba637fefb33ee78587ff1c69ca6ab3b30c7f3392420a075a3e1221a12. 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/DEB909600911.
  date published: 2026-06-13T12:53:06Z

Gaudens in Domino
type: MusicRecording
duration: PT2M45S
duration ms: 165106
explicit: false
by artist: Anonymous
by artist: Sigrid Hausen
by artist: Alexander Veljanov
by artist: Tobias Schlierf
by artist: Polish Chamber Choir
by artist: Estampie
by artist: Michael Popp
in album: Thibaut De Champagne: Seignor, Sachies, Qui or Ne S'En Ira / Guiot De Dijon: Chanterai Por Mon Corage (Crusaders)
  type: MusicAlbum
  date published: 1996-01-01
isrc code: DEB909600912
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:35:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a276f248f49bae245c915ef770daa0ca5ad113b6a78c24b9a2180524f6be7b2
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/DEB909600912
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 0x7a276f248f49bae245c915ef770daa0ca5ad113b6a78c24b9a2180524f6be7b2. 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/DEB909600912.
  date published: 2026-07-08T08:56:20Z