Matthew Guard
type: MusicGroup
genre: choral
popularity: 10
followers: 40
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa0d15ee82fc6f1448b3d9dd9af72a65c797ef3174260cd43f98a6a972985f86f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b1a3bf22-7fe9-4c80-8fa7-dc296856abba.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b1a3bf22-7fe9-4c80-8fa7-dc296856abba.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b1a3bf22-7fe9-4c80-8fa7-dc296856abba
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa0d15ee82fc6f1448b3d9dd9af72a65c797ef3174260cd43f98a6a972985f86f","name":"Matthew Guard","registered_at":"2026-06-20T12:25:54Z","symbol":"NIM1612570","token_address":"0x13e268851ee2615f7aaa1d5cad587c594b80f832","type":"artist","uuid":"b1a3bf22-7fe9-4c80-8fa7-dc296856abba"}
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 0xa0d15ee82fc6f1448b3d9dd9af72a65c797ef3174260cd43f98a6a972985f86f. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b1a3bf22-7fe9-4c80-8fa7-dc296856abba.json and https://artists.proofprofile.net/proofs/artist/b1a3bf22-7fe9-4c80-8fa7-dc296856abba.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T14:36:29Z
  text: {"copyright_id":"0xa0d15ee82fc6f1448b3d9dd9af72a65c797ef3174260cd43f98a6a972985f86f","name":"Matthew Guard","registered_at":"2026-06-20T12:25:54Z","symbol":"NIM1612570","token_address":"0x13e268851ee2615f7aaa1d5cad587c594b80f832","type":"artist","uuid":"b1a3bf22-7fe9-4c80-8fa7-dc296856abba"}
album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27
  track: Vom Himmel hoch: Vom Himmel hoch, da komm ich her
    type: MusicRecording
    duration: PT5M39S
    duration ms: 339800
    explicit: false
    by artist: Felix Mendelssohn
    by artist: Dresdner Kreuzchor
    by artist: Dresdner Philharmonie
    by artist: Martin Flämig
    in album: The Essentials: Great Choral Works
      type: MusicAlbum
      date published: 2016-05-27
  track: Spem in alium
    type: MusicRecording
    duration: PT12M19S
    duration ms: 739533
    explicit: false
    by artist: Thomas Tallis
    by artist: Oxford Camerata
    by artist: Jeremy Summerly
    in album: The Essentials: Great Choral Works
      type: MusicAlbum
      date published: 2016-05-27
  track: Christmas Oratorio, BWV 248, Part I: Jauchzet, frohlocket, auf, preiset die Tage
    type: MusicRecording
    duration: PT7M27S
    duration ms: 447733
    explicit: false
    by artist: Johann Sebastian Bach
    by artist: Frankfurt Vocal Ensemble
    by artist: Concerto Köln
    by artist: Ralf Otto
    in album: The Essentials: Great Choral Works
      type: MusicAlbum
      date published: 2016-05-27
  track: Miserere
    type: MusicRecording
    duration: PT8M24S
    duration ms: 504000
    explicit: false
    by artist: Gregorio Allegri
    by artist: The Choir Of Trinity College, Cambridge
    by artist: Richard Marlow
    in album: The Essentials: Great Choral Works
      type: MusicAlbum
      date published: 2016-05-27
  track: St. Matthew Passion, BWV 244, Part I: Kommt, ihr Tochter, helft mir klagen
    type: MusicRecording
    duration: PT6M40S
    duration ms: 400986
    explicit: false
    by artist: Johann Sebastian Bach
    by artist: Rheinische Kantorei
    by artist: Das Kleine Konzert
    by artist: Hermann Max
    in album: The Essentials: Great Choral Works
      type: MusicAlbum
      date published: 2016-05-27
  track: Zadok the Priest, HWV 258: III. God save the King
    type: MusicRecording
    duration: PT3M1S
    duration ms: 181800
    explicit: false
    by artist: George Frideric Handel
    by artist: Thomas Tallis Chamber Choir
    by artist: Royal Academy Consort
    by artist: Jeremy Summerly
    in album: The Essentials: Great Choral Works
      type: MusicAlbum
      date published: 2016-05-27
  track: St. Luke Passion, Pt. 1: Part I: O Crux ave (Hymn 'Vexilla Regis prodeunt')
    type: MusicRecording
    duration: PT5M3S
    duration ms: 303933
    explicit: false
    by artist: Krzysztof Penderecki
    by artist: Warsaw Boys Choir
    by artist: Warsaw Philharmonic Choir
    by artist: Warsaw Philharmonic Orchestra
    by artist: Antoni Wit
    in album: The Essentials: Great Choral Works
      type: MusicAlbum
      date published: 2016-05-27
  track: The Lamb
    type: MusicRecording
    duration: PT3M8S
    duration ms: 188160
    explicit: false
    by artist: John Tavener
    by artist: Boston Trinity Church Choir
    by artist: Brian Jones
    in album: The Essentials: Great Choral Works
      type: MusicAlbum
      date published: 2016-05-27
  track: St. Luke Passion, Pt. 2: Part II: In pulverem mortis … / In te, Domine, speravi (Psalm 30)
    type: MusicRecording
    duration: PT5M39S
    duration ms: 339160
    explicit: false
    by artist: Krzysztof Penderecki
    by artist: Warsaw Boys Choir
    by artist: Warsaw Philharmonic Choir
    by artist: Antoni Wit
    in album: The Essentials: Great Choral Works
      type: MusicAlbum
      date published: 2016-05-27
  track: Gloria in D Major, RV 589: Gloria in excelsis Deo
    type: MusicRecording
    duration: PT2M28S
    duration ms: 148760
    explicit: false
    by artist: Antonio Vivaldi
    by artist: The Sixteen
    by artist: Symphony of Harmony and Invention
    by artist: Harry Christophers
    in album: The Essentials: Great Choral Works
      type: MusicAlbum
      date published: 2016-05-27
  track: Symphony No. 8 in E-Flat Major, "Symphony of a Thousand": Part II. Final Scene from Faust: Alles Vergangliche ist nur ein Gleichnis
    type: MusicRecording
    duration: PT6M25S
    duration ms: 385120
    explicit: false
    by artist: Gustav Mahler
    by artist: Izabella Klosinska
    by artist: Jadwiga Rappe
    by artist: Piotr Nowacki
    by artist: Barbara Kubiak
    by artist: Marta Boberska
    by artist: Ewa Marciniec
    by artist: Timothy Bentch
    by artist: Wojtek Drabowicz
    by artist: Polish Radio Choir
    by artist: Warsaw Boys Choir
    by artist: Warsaw Philharmonic Choir
    by artist: Cardinal Stefan Wyszynski University Choir
    by artist: Warsaw Philharmonic Orchestra
    by artist: Antoni Wit
    in album: The Essentials: Great Choral Works
      type: MusicAlbum
      date published: 2016-05-27
  track: Crucifixus a 8
    type: MusicRecording
    duration: PT3M3S
    duration ms: 183600
    explicit: false
    by artist: Antonio Lotti
    by artist: Manchester Cathedral Choir
    by artist: Jeffrey Makinson
    by artist: Christopher Stokes
    in album: The Essentials: Great Choral Works
      type: MusicAlbum
      date published: 2016-05-27
  track: Stabat mater: Stabat mater dolorosa
    type: MusicRecording
    duration: PT4M14S
    duration ms: 254333
    explicit: false
    by artist: Giovanni Battista Pergolesi
    by artist: Regina Klepper
    by artist: Martina Borst
    by artist: Stefan Adelmann
    by artist: Bamberg String Quartet
    in album: The Essentials: Great Choral Works
  track: Magnificat in D Major, BWV 243: Magnificat anima mea
  track: Te Deum, WAB 45: Te Deum laudamus - Te ergo quaesumus
  track: Libera nos, salva nos, Magnus Dominus
  track: Otche Nach
  track: Mass in G Minor: Gloria
  track: Grande messe des morts, Op. 5, "Requiem": Agnus Dei
  track: 4 Choral songs, Op. 53: No. 1. There is Sweet Music
  track: War Requiem: Sanctus
  track: All-night Vigil, Op. 37, "Vespers": Hail, O Virgin Mother (Ave Maria)
  track: Symphony of Psalms: I. Exaudi orationem meam, Domine (Psalm 39, 12-13)
  track: Requiem in D Minor, K. 626: Introit: Requiem aeternam
  track: Ave Maria
  track: Requiem in D Minor, K. 626: Sequence: I. Dies irae
  track: Missa Papae Marcelli: Masses, Book 2: Missa Papae Marcelli: Kyrie
  track: O Magnum Mysterium
  track: Fantasia in C Minor, Op. 80, "Choral Fantasy"
  track: O sacrum convivium
  track: Ein deutsches Requiem (A German Requiem), Op. 45: I. Selig sind, die da Leid tragen
  track: Messa da Requiem: Dies irae: Dies irae, dies illa
  track: Berliner Messe (1997 Revised Version): Kyrie
  track: Hear my prayer, O Lord, Z. 15
  track: Berliner Messe (1997 Revised Version): Gloria
  track: Mass in B Minor, BWV 232: Kyrie: Kyrie eleison
  track: Berliner Messe (1997 Revised Version): Agnus Dei
  track: Mass in B Minor, BWV 232: Agnus Dei: Dona nobis pacem
  track: Elias, Op. 70, MWV A 25, Pt. 2: Elijah, Op. 70, Part II: Alsdann wird euer Licht hervorbrechen
  track: Vespro della Beata Vergine, "1610 Vespers": Domine ad adiuvandum
  track: Missa Hodie Christus natus est: Kyrie
  track: Die Schopfung (The Creation), Hob.XXI:2, Part I: Stimmt an die Saiten (Awake the harp)
  track: Missa Bell' Amfitrit' altera: Agnus Dei
  track: Deutsche Motette, Op. 62, TrV 230
  track: Mass for 4 Voices: Kyrie
  track: Jubilate Deo in E-Flat Major
  track: Mass for 4 Voices: Credo
  track: Amicus meus
  track: Mass for 4 Voices: Agnus Dei
  track: Requiem, Op. 48: Pie Jesu
track: Otche Nach
track: When This Cruel War Is Over (Arr. for Voice & Choir by Matthew Guard)
track: Figure humaine, FP 120: No. 1, De tous les printemps du monde
track: Johnny Has Gone for a Soldier
track: Figure humaine, FP 120: No. 2, En chantant les servantes s'élancent
track: Break It Gently to My Mother (Arr. for Voice & Choir by Matthew Guard)
track: Figure humaine, FP 120: No. 3, Aussi bas que le silence
track: Johnny, I Hardly Knew Ye (Arr. for Choir by Alice Parker)
track: Figure humaine, FP 120: No. 4, Toi ma patiente
track: Soldier's Memorial Day (Arr. for Choir by Matthew Guard)
track: Figure humaine, FP 120: No. 5, Riant du ciel et des planètes
track: Workin' for the Dawn of Peace (Arr. for Choir by Ron Jeffers)
track: Figure humaine, FP 120: No. 6, Le jour m'étonne et la nuit me fait peur
track: Abide with Me (Arr. for Voice & Choir by Matthew Guard)
track: Figure humaine, FP 120: No. 7, La menace sous le ciel rouge
track: The Battle Hymn of the Republic (Arr. for Choir by Matthew Guard)
track: Figure humaine, FP 120: No. 8, Liberté
track: Were You There?
track: When Jesus Wept
track: Wondrous Love (Arr. A. Parker & R. Shaw for Choir)

Martina Borst
type: MusicGroup

Stefan Adelmann
type: MusicGroup

Bamberg String Quartet
type: MusicGroup

The Essentials: Great Choral Works
type: MusicAlbum
date published: 2016-05-27

Magnificat in D Major, BWV 243: Magnificat anima mea
type: MusicRecording
duration: PT2M52S
duration ms: 172573
explicit: false
by artist: Johann Sebastian Bach
by artist: The Sixteen
by artist: Symphony of Harmony and Invention
by artist: Harry Christophers
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Te Deum, WAB 45: Te Deum laudamus - Te ergo quaesumus
type: MusicRecording
duration: PT8M51S
duration ms: 531280
explicit: false
by artist: Anton Bruckner
by artist: Elzbieta Towarnicka
by artist: Matgorzata Walewska
by artist: Jerzy Knetig
by artist: Andrzej Biegum
by artist: Cracow Philharmonic Chorus
by artist: Cracow Philharmonic Orchestra
by artist: Roland Bader
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Libera nos, salva nos, Magnus Dominus
type: MusicRecording
duration: PT2M37S
duration ms: 157666
explicit: false
by artist: John Sheppard
by artist: St. Mary's Cathedral Choir, Edinburgh
by artist: Duncan Ferguson
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Otche Nach
type: MusicRecording
duration: PT2M3S
duration ms: 123480
explicit: false
by artist: Nikolay Kedrov
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Mass in G Minor: Gloria
type: MusicRecording
duration: PT3M39S
duration ms: 219773
explicit: false
by artist: Ralph Vaughan Williams
by artist: Choir of Clare College, Cambridge
by artist: Timothy Brown
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Grande messe des morts, Op. 5, "Requiem": Agnus Dei
type: MusicRecording
duration: PT13M40S
duration ms: 820360
explicit: false
by artist: Hector Berlioz
by artist: Wroclaw Philharmonic Choir
by artist: Gabrieli
by artist: Wroclaw Philharmonic Orchestra
by artist: Chetham's School of Music Symphonic Brass Ensemble
by artist: Paul McCreesh
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

4 Choral songs, Op. 53: No. 1. There is Sweet Music
type: MusicRecording
duration: PT4M4S
duration ms: 244226
explicit: false
by artist: Edward Elgar
by artist: Rodolfus Choir
by artist: Ralph Allwood
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

War Requiem: Sanctus
type: MusicRecording
duration: PT11M4S
duration ms: 664226
explicit: false
by artist: Benjamin Britten
by artist: Thomas Randle
by artist: Lynda Russell
by artist: Michael Volle
by artist: The Choir of St. Mary's Episcopal Cathedral
by artist: Scottish Festival Chorus
by artist: George McPhee
by artist: BBC Scottish Symphony Orchestra
by artist: Martyn Brabbins
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

All-night Vigil, Op. 37, "Vespers": Hail, O Virgin Mother (Ave Maria)
type: MusicRecording
duration: PT3M6S
duration ms: 186573
explicit: false
by artist: Sergei Rachmaninoff
by artist: Latvian Radio Choir
by artist: Sigvards Kļava
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Symphony of Psalms: I. Exaudi orationem meam, Domine (Psalm 39, 12-13)
type: MusicRecording
duration: PT3M14S
duration ms: 194640
explicit: false
by artist: Igor Stravinsky
by artist: WDR Rundfunkchor Köln
by artist: SWR Symphony Orchestra
by artist: Michael Gielen
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Requiem in D Minor, K. 626: Introit: Requiem aeternam
type: MusicRecording
duration: PT3M58S
duration ms: 238333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Gewandhaus-Kammerchor
by artist: Leipziger Kammerorchester
by artist: Morten Schuldt-Jensen
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Ave Maria
type: MusicRecording
duration: PT5M31S
duration ms: 331613
explicit: false
by artist: Josquin des Prez
by artist: Oxford Camerata
by artist: Jeremy Summerly
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Requiem in D Minor, K. 626: Sequence: I. Dies irae
type: MusicRecording
duration: PT1M40S
duration ms: 100906
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Gewandhaus-Kammerchor
by artist: Leipziger Kammerorchester
by artist: Morten Schuldt-Jensen
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27
isrc code: USB8U1602112
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:26:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb4978068ce233771d3c9434f04051a0d488af637730e291272d5b1ea99234838
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/USB8U1602112
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 0xb4978068ce233771d3c9434f04051a0d488af637730e291272d5b1ea99234838. 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/USB8U1602112.
  date published: 2026-07-08T08:56:20Z

Missa Papae Marcelli: Masses, Book 2: Missa Papae Marcelli: Kyrie
type: MusicRecording
duration: PT3M42S
duration ms: 222960
explicit: false
by artist: Giovanni Pierluigi da Palestrina
by artist: Voices of Ascension Chorus
by artist: Dennis Keene
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27
isrc code: USB8U1602138
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:58:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x678e3a53a33f3982a7fa3ea27cf4b3b50ef9c615404808b36f849911e39e5756
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/USB8U1602138
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 0x678e3a53a33f3982a7fa3ea27cf4b3b50ef9c615404808b36f849911e39e5756. 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/USB8U1602138.
  date published: 2026-07-08T03:20:19Z

O Magnum Mysterium
type: MusicRecording
duration: PT6M46S
duration ms: 406880
explicit: false
by artist: Morten Lauridsen
by artist: Armonico Consort
by artist: Christopher Monks
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Fantasia in C Minor, Op. 80, "Choral Fantasy"
type: MusicRecording
duration: PT18M2S
duration ms: 1082226
explicit: false
by artist: Ludwig van Beethoven
by artist: Peter Rösel
by artist: Margot Stejskal
by artist: Elvira Puschkarova
by artist: Annette Jahns
by artist: Ekkehard Wagner
by artist: Matthias Henneberg
by artist: Olaf Bär
by artist: MDR Leipzig Radio Chorus
by artist: Dresdner Philharmonie
by artist: Herbert Kegel
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

O sacrum convivium
type: MusicRecording
duration: PT4M41S
duration ms: 281466
explicit: false
by artist: Thomas Tallis
by artist: Oxford Camerata
by artist: Jeremy Summerly
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27
isrc code: USB8U1602114
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:42:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x179be90e9193bbf7a048147ea3ede8bab1a5751795decf64ef5e1c0cebb9631d
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/USB8U1602114
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 0x179be90e9193bbf7a048147ea3ede8bab1a5751795decf64ef5e1c0cebb9631d. 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/USB8U1602114.
  date published: 2026-07-08T03:22:41Z

Ein deutsches Requiem (A German Requiem), Op. 45: I. Selig sind, die da Leid tragen
type: MusicRecording
duration: PT11M19S
duration ms: 679666
explicit: false
by artist: Johannes Brahms
by artist: Margaret Price
by artist: Thomas Allen
by artist: Bavarian Radio Chorus
by artist: Munich University of Music Chamber Choir
by artist: Elmar Schloter
by artist: Bavarian Radio Symphony Orchestra
by artist: Wolfgang Sawallisch
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Messa da Requiem: Dies irae: Dies irae, dies illa
type: MusicRecording
duration: PT2M19S
duration ms: 139866
explicit: false
by artist: Giuseppe Verdi
by artist: Hungarian State Opera Chorus
by artist: Hungarian State Opera Orchestra
by artist: Pier Giorgio Morandi
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Berliner Messe (1997 Revised Version): Kyrie
type: MusicRecording
duration: PT3M1S
duration ms: 181626
explicit: false
by artist: Arvo Pärt
by artist: Academy of Choral Art Choir
by artist: Moscow Virtuosi
by artist: Vladimir Spivakov
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Hear my prayer, O Lord, Z. 15
type: MusicRecording
duration: PT2M14S
duration ms: 134146
explicit: false
by artist: Henry Purcell
by artist: Choir of Merton College, Oxford
by artist: Peter Phillips
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Berliner Messe (1997 Revised Version): Gloria
type: MusicRecording
duration: PT4M54S
duration ms: 294573
explicit: false
by artist: Arvo Pärt
by artist: Academy of Choral Art Choir
by artist: Moscow Virtuosi
by artist: Vladimir Spivakov
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Mass in B Minor, BWV 232: Kyrie: Kyrie eleison
type: MusicRecording
duration: PT9M54S
duration ms: 594426
explicit: false
by artist: Johann Sebastian Bach
by artist: Dresdner Kammerchor
by artist: Kolner Kammerorchester
by artist: Helmut Müller-Brühl
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Berliner Messe (1997 Revised Version): Agnus Dei
type: MusicRecording
duration: PT2M27S
duration ms: 147600
explicit: false
by artist: Arvo Pärt
by artist: Academy of Choral Art Choir
by artist: Moscow Virtuosi
by artist: Vladimir Spivakov
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Mass in B Minor, BWV 232: Agnus Dei: Dona nobis pacem
type: MusicRecording
duration: PT2M38S
duration ms: 158973
explicit: false
by artist: Johann Sebastian Bach
by artist: Dresdner Kammerchor
by artist: Kolner Kammerorchester
by artist: Helmut Müller-Brühl
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Elias, Op. 70, MWV A 25, Pt. 2: Elijah, Op. 70, Part II: Alsdann wird euer Licht hervorbrechen
type: MusicRecording
duration: PT3M17S
duration ms: 197253
explicit: false
by artist: Felix Mendelssohn
by artist: MDR Leipzig Radio Chorus
by artist: MDR Leipzig Radio Symphony Orchestra
by artist: Jun Markl
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Vespro della Beata Vergine, "1610 Vespers": Domine ad adiuvandum
type: MusicRecording
duration: PT2M5S
duration ms: 125493
explicit: false
by artist: Claudio Monteverdi
by artist: Rodolfus Choir
by artist: Southern Sinfonia
by artist: The English Cornett and Sackbut Ensemble
by artist: Ralph Allwood
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Missa Hodie Christus natus est: Kyrie
type: MusicRecording
duration: PT3M8S
duration ms: 188800
explicit: false
by artist: Giovanni Pierluigi da Palestrina
by artist: Oxford Schola Cantorum
by artist: Jeremy Summerly
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Die Schopfung (The Creation), Hob.XXI:2, Part I: Stimmt an die Saiten (Awake the harp)
type: MusicRecording
duration: PT1M59S
duration ms: 119266
explicit: false
by artist: Joseph Haydn
by artist: Bavarian Radio Chorus
by artist: Hedwig Bilgram
by artist: Bavarian Radio Symphony Orchestra
by artist: Rafael Kubelík
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Missa Bell' Amfitrit' altera: Agnus Dei
type: MusicRecording
duration: PT3M10S
duration ms: 190626
explicit: false
by artist: Orlande de Lassus
by artist: Oxford Schola Cantorum
by artist: Jeremy Summerly
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27
isrc code: USB8U1602121
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:51:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x17d6dd3fc6abe42fb5e8beafc236fe4987cd837ed22afeec954f0b04c014f082
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/USB8U1602121
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 0x17d6dd3fc6abe42fb5e8beafc236fe4987cd837ed22afeec954f0b04c014f082. 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/USB8U1602121.
  date published: 2026-07-08T03:53:27Z

Deutsche Motette, Op. 62, TrV 230
type: MusicRecording
duration: PT18M15S
duration ms: 1095933
explicit: false
by artist: Richard Strauss
by artist: Helen Massey
by artist: Kate Symonds-Joy
by artist: William Kendall
by artist: Tim Mirfin
by artist: Choir of Gonville & Caius College, Cambridge
by artist: Choir of King's College, Cambridge
by artist: David Trendell
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Mass for 4 Voices: Kyrie
type: MusicRecording
duration: PT2M30S
duration ms: 150000
explicit: false
by artist: William Byrd
by artist: Oxford Camerata
by artist: Jeremy Summerly
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Jubilate Deo in E-Flat Major
type: MusicRecording
duration: PT2M39S
duration ms: 159013
explicit: false
by artist: Benjamin Britten
by artist: National Youth Training Choir North
by artist: James Sherlock
by artist: Rachel Staunton
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Mass for 4 Voices: Credo
type: MusicRecording
duration: PT8M40S
duration ms: 520266
explicit: false
by artist: William Byrd
by artist: Oxford Camerata
by artist: Jeremy Summerly
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Amicus meus
type: MusicRecording
duration: PT3M1S
duration ms: 181226
explicit: false
by artist: Tomás Luis de Victoria
by artist: Ensemble Corund
by artist: Stephen Smith
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Mass for 4 Voices: Agnus Dei
type: MusicRecording
duration: PT3M37S
duration ms: 217680
explicit: false
by artist: William Byrd
by artist: Oxford Camerata
by artist: Jeremy Summerly
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Requiem, Op. 48: Pie Jesu
type: MusicRecording
duration: PT3M35S
duration ms: 215640
explicit: false
by artist: Gabriel Fauré
by artist: Lisa Beckley
by artist: Oxford Camerata
by artist: Colm Carey
by artist: Jeremy Summerly
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

Otche Nach
type: MusicRecording
duration: PT2M3S
duration ms: 123480
explicit: false
by artist: Nikolay Kedrov
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: The Essentials: Great Choral Works
  type: MusicAlbum
  date published: 2016-05-27

When This Cruel War Is Over (Arr. for Voice & Choir by Matthew Guard)
type: MusicRecording
duration: PT4M5S
duration ms: 245093
explicit: false
by artist: Henry L. Tucker
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24
isrc code: USKC62427801

Figure humaine, FP 120: No. 1, De tous les printemps du monde
type: MusicRecording
duration: PT2M39S
duration ms: 159906
explicit: false
by artist: Francis Poulenc
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24
isrc code: USKC62427802

Johnny Has Gone for a Soldier
type: MusicRecording
duration: PT1M55S
duration ms: 115146
explicit: false
by artist: Anonymous
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24
isrc code: USKC62427803
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:33:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2203afc29c725b1f45799c16341146a45f44d54ed149ca748ae58ae30481b8f2
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/USKC62427803
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 0x2203afc29c725b1f45799c16341146a45f44d54ed149ca748ae58ae30481b8f2. 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/USKC62427803.
  date published: 2026-07-08T03:20:19Z

Figure humaine, FP 120: No. 2, En chantant les servantes s'élancent
type: MusicRecording
duration: PT1M54S
duration ms: 114280
explicit: false
by artist: Francis Poulenc
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24
isrc code: USKC62427804

Break It Gently to My Mother (Arr. for Voice & Choir by Matthew Guard)
type: MusicRecording
duration: PT3M15S
duration ms: 195666
explicit: false
by artist: Frederick Buckley
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24
isrc code: USKC62427805

Figure humaine, FP 120: No. 3, Aussi bas que le silence
type: MusicRecording
duration: PT1M31S
duration ms: 91026
explicit: false
by artist: Francis Poulenc
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24
isrc code: USKC62427806

Johnny, I Hardly Knew Ye (Arr. for Choir by Alice Parker)
type: MusicRecording
duration: PT3M17S
duration ms: 197026
explicit: false
by artist: Anonymous
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24
isrc code: USKC62427807
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:26:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x89e68cef1762214f1e1cf142f6b64f25a9b64c7f6db99b01ace82207f5079302
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/USKC62427807
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 0x89e68cef1762214f1e1cf142f6b64f25a9b64c7f6db99b01ace82207f5079302. 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/USKC62427807.
  date published: 2026-07-08T03:22:41Z

Figure humaine, FP 120: No. 4, Toi ma patiente
type: MusicRecording
duration: PT1M53S
duration ms: 113066
explicit: false
by artist: Francis Poulenc
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24
isrc code: USKC62427808
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:04:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa1bd06406ccd216d009d676e215ef971f26736caa6bf6f321c4637617560e229
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/USKC62427808
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 0xa1bd06406ccd216d009d676e215ef971f26736caa6bf6f321c4637617560e229. 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/USKC62427808.
  date published: 2026-07-08T03:22:41Z

Soldier's Memorial Day (Arr. for Choir by Matthew Guard)
type: MusicRecording
duration: PT2M13S
duration ms: 133080
explicit: false
by artist: William Oscar Perkins
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24
isrc code: USKC62427809

Figure humaine, FP 120: No. 5, Riant du ciel et des planètes
type: MusicRecording
duration: PT1M0S
duration ms: 60826
explicit: false
by artist: Francis Poulenc
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24

Workin' for the Dawn of Peace (Arr. for Choir by Ron Jeffers)
type: MusicRecording
duration: PT3M21S
duration ms: 201306
explicit: false
by artist: Irving Gordon
by artist: Walter Kittredge
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24
isrc code: USKC62427811

Figure humaine, FP 120: No. 6, Le jour m'étonne et la nuit me fait peur
type: MusicRecording
duration: PT1M39S
duration ms: 99493
explicit: false
by artist: Francis Poulenc
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24
isrc code: USKC62427812
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:47:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbd5cc97fe8718448b4b6b49e4836f029dd446cba5e7ad5135122efcdb4cb6458
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/USKC62427812
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 0xbd5cc97fe8718448b4b6b49e4836f029dd446cba5e7ad5135122efcdb4cb6458. 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/USKC62427812.
  date published: 2026-07-08T03:20:19Z

Abide with Me (Arr. for Voice & Choir by Matthew Guard)
type: MusicRecording
duration: PT3M38S
duration ms: 218840
explicit: false
by artist: William Henry Monk
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24
isrc code: USKC62427813

Figure humaine, FP 120: No. 7, La menace sous le ciel rouge
type: MusicRecording
duration: PT3M3S
duration ms: 183320
explicit: false
by artist: Francis Poulenc
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24

The Battle Hymn of the Republic (Arr. for Choir by Matthew Guard)
type: MusicRecording
duration: PT3M26S
duration ms: 206906
explicit: false
by artist: Julia Ward Howe
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24

Figure humaine, FP 120: No. 8, Liberté
type: MusicRecording
duration: PT4M28S
duration ms: 268586
explicit: false
by artist: Francis Poulenc
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Clear Voices in the Dark
  type: MusicAlbum
  date published: 2024-05-24
isrc code: USKC62427816
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:39:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f1eabbb8b3dad69961229a664465e5faa55d546333c336545740c2282740ea6
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/USKC62427816
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 0x2f1eabbb8b3dad69961229a664465e5faa55d546333c336545740c2282740ea6. 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/USKC62427816.
  date published: 2026-07-08T03:22:41Z

Were You There?
type: MusicRecording
duration: PT3M57S
duration ms: 237893
explicit: false
by artist: Traditional
by artist: Carrie Cheron
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Seven Words from the Cross
  type: MusicAlbum
  date published: 2018-03-23

When Jesus Wept
type: MusicRecording
duration: PT2M0S
duration ms: 120480
explicit: false
by artist: William Billings
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Seven Words from the Cross
  type: MusicAlbum
  date published: 2018-03-23

Wondrous Love (Arr. A. Parker & R. Shaw for Choir)
type: MusicRecording
duration: PT3M53S
duration ms: 233520
explicit: false
by artist: Traditional
by artist: Skylark Vocal Ensemble
by artist: Matthew Guard
in album: Seven Words from the Cross
  type: MusicAlbum
  date published: 2018-03-23