Orlande de Lassus
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subject of: OpenTimestamps Proof of Existence
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  track: O Send Out Thy Light
album: From the Vaults of Westminster Cathedral
album: Lassus: Biographie musicale, Vol. 4
album: Lassus: Biographie musicale, Vol. 3 (La gloire musicale de la Bavière, le temps des conflits)
album: Lassus: Prophetiae Sibyllarum
album: Le nozze in Baviera
album: Sacred Treasures of Christmas: Music for Christmas, Epiphany & Candlemas
album: Lassus: Inferno
album: Psalmus
album: Lassus: Choral Music
album: Amarae morti: Lamentations & Motets from Renaissance Europe
album: Lassus: St. Matthew Passion
album: Lassus: Responsories for Holy Week
album: De Lassus: Requiem à 5 & Motets
album: Orlando di Lasso: Laudate Dominum
album: De Lassus: Canticum canticorum
album: Lasso: Prophetiae Sibyllarum
album: Lassus: Biographie musicale, Vol. 5 (Lassus l'Européen)
album: Cantate Domino - La Cappella Sistina e la musica dei Papi
album: Lassus: Missa super Dixit Joseph & Motets
album: Orlando di Lasso: Musica reservata
album: Lasso: Lagrime di San Pietro
album: Lasso: Cantiones duum vocum
album: Motets (From Patrocinium Musices, 1573/74)
album: Orlande de Lassus
album: Lasso: Septem Psalmi Poenitent
album: Lassus: Lagrime Di San Pietro
album: The Lamentations of Jeremiah (Carus Classics)
album: Lasso: Hymnus
album: Lasso: Cantiones Duarum Vocum
album: Lassus: Missa Vinum Bonum ('Good Wine Mass') with accompanying motets
album: Viva Napoli
album: Lassus: Biographie musicale, Vol. 2 (La gloire musicale de la Bavière, le temps de la faveur)
album: Roland de Lassus: La chambre musicale d'Albert le Magnifique
album: Lassus: Prophetiae Sibyllarum & Missa Amor ecco colei
album: Lassus: The Lamentations of Jeremiah (for five voices)
album: Laudent Deum - Sacred Music by Orlande de Lassus
album: Lassus: Biographie musicale, Vol. 1 (Années de jeunesse)
album: Lasso: Christmas Motets
album: Lassus: Requiem, Music for Easter Sunday
album: Lassus: Missa Surge propera; Magnificat quarti toni
album: Lassus, O.: Vocal Music
album: L'homme armé. Musique de guerre et de paix, 1450-1650
album: Lassus: Chansons
album: Lasso: Lectio Sexta "Quis mihi hox tribuat", LV 681
album: DHM Splendeurs: Lassus: Requiem A5 / Magnificat
album: A Monk's Life
album: Resurrection - Masterworks for Easter
album: Contemplation
album: Lassus: The Alchemist, Vol. 2
album: Lassus: Penitential Psalms
track: Miserere Mei (feat. Orlando Di Lasso)
track: Quia vidisti me, Thoma
track: Domine Dominus noster
track: Ad te levavi animam meam

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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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From the Vaults of Westminster Cathedral
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Lassus: Biographie musicale, Vol. 4
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  subject of: OpenTimestamps Proof of Existence
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Lassus: Biographie musicale, Vol. 3 (La gloire musicale de la Bavière, le temps des conflits)
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Lassus: Prophetiae Sibyllarum
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Le nozze in Baviera
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Sacred Treasures of Christmas: Music for Christmas, Epiphany & Candlemas
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Lassus: Inferno
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Psalmus
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Lassus: Choral Music
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Lassus: St. Matthew Passion
type: MusicAlbum
date published: 2018-02-09

Lassus: Responsories for Holy Week
type: MusicAlbum
date published: 2017-10-06

De Lassus: Requiem à 5 & Motets
type: MusicAlbum
date published: 2017-04-21

Orlando di Lasso: Laudate Dominum
type: MusicAlbum
date published: 2017-03-01

De Lassus: Canticum canticorum
type: MusicAlbum
date published: 2016-09-16
track: Osculetur me osculo à 8
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241222
  explicit: false
  by artist: Orlande de Lassus
  by artist: Chœur De Chambre De Namur
  by artist: Clematis
  by artist: Leonardo García-Alarcón
  in album: De Lassus: Canticum canticorum
    type: MusicAlbum
    date published: 2016-09-16
  genre: classical
  genre: choral
  genre: gregorian-chant
  genre: medieval
  isrc code: BER181637001
  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: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BER181637001
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cf8fb3d608f4a0d4903ec38c78d72584d6441acac1b92a233d86ddd63fc91d0. 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/BER181637001.
    date published: 2026-06-13T13:32:09Z
  audio: Osculetur me osculo à 8
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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Lasso: Prophetiae Sibyllarum
type: MusicAlbum
date published: 2015-10-30

Lassus: Biographie musicale, Vol. 5 (Lassus l'Européen)
type: MusicAlbum
date published: 2015-10-02

Cantate Domino - La Cappella Sistina e la musica dei Papi
type: MusicAlbum
date published: 2015-09-25
track: Rorate caeli desuper
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137680
  explicit: false
  by artist: Traditional
  by artist: Sistine Chapel Choir
  by artist: Massimo Palombella
  in album: Cantate Domino - La Cappella Sistina e la musica dei Papi
    type: MusicAlbum
    date published: 2015-09-25
  genre: bhajan
  genre: gregorian-chant
  genre: medieval
  genre: traditional-music
  isrc code: DEN961500540
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  additional property: OTSBitcoinBlock
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    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961500540
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26774455336629652e1b3d61fbcba3aea1195d2a055368d5fba3238a4db57f57. 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/DEN961500540.
    date published: 2026-07-02T03:55:08Z
  audio: Rorate caeli desuper
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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      value: -39.432
    additional property: Key Name
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track: Ad te levavi
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176400
  explicit: false
  by artist: Giovanni Pierluigi da Palestrina
  by artist: Sistine Chapel Choir
  by artist: Massimo Palombella
  in album: Cantate Domino - La Cappella Sistina e la musica dei Papi
    type: MusicAlbum
    date published: 2015-09-25
  genre: classical
  genre: choral
  genre: gregorian-chant
  genre: medieval
  isrc code: DEN961500550
  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: 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/DEN961500550
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddc808c2b070f315c9a10070a60f8c28b90b0afb4bc1f0538028828f57ccbba2. 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/DEN961500550.
    date published: 2026-07-02T03:55:08Z
  audio: Ad te levavi
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Magnificat VIII toni
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227346
  explicit: false
  by artist: Orlande de Lassus
  by artist: Sistine Chapel Choir
  by artist: Massimo Palombella
  in album: Cantate Domino - La Cappella Sistina e la musica dei Papi
    type: MusicAlbum
    date published: 2015-09-25
  genre: classical
  genre: choral
  genre: gregorian-chant
  genre: medieval
  isrc code: DEN961500560
  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
  audio: Magnificat VIII toni
track: Lumen ad revelationem gentium (Nunc dimittis)
track: Super flumina Babilonis
track: Improperium exspectavit cor meum
track: Christus factus est pro nobis
track: Popule meus (Improperia)
track: Adoramus te, Christe
track: Sicut cervus
track: Angelus Domini
track: Jubilate Deo
track: Tu es Petrus

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
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value: 2026-06-24T15:54:22+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x74c3560c8ea862b6eb9ace0a0338cd89fec78eea6662421232d3bc6df052513a

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961500560

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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74c3560c8ea862b6eb9ace0a0338cd89fec78eea6662421232d3bc6df052513a. 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/DEN961500560.
date published: 2026-07-02T03:55:08Z

Magnificat VIII toni
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
  type: PropertyValue
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additional property: Instrumentalness
  type: PropertyValue
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Lumen ad revelationem gentium (Nunc dimittis)
type: MusicRecording
duration: PT6M16S
duration ms: 376080
explicit: false
by artist: Giovanni Pierluigi da Palestrina
by artist: Sistine Chapel Choir
by artist: Massimo Palombella
in album: Cantate Domino - La Cappella Sistina e la musica dei Papi
  type: MusicAlbum
  date published: 2015-09-25
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: DEN961500570
additional property: CopyrightID
additional property: CopyrightStatus
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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
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961500570
additional property: OTSTimestamp
  type: PropertyValue
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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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d8d0d565f53ed989a90ac3f204cf89f7c58bf74cdd0e56f4ae76faa4c63213d. 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/DEN961500570.
  date published: 2026-07-02T03:55:08Z
audio: Lumen ad revelationem gentium (Nunc dimittis)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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Super flumina Babilonis
type: MusicRecording
duration: PT3M7S
duration ms: 187240
explicit: false
by artist: Giovanni Pierluigi da Palestrina
by artist: Sistine Chapel Choir
by artist: Massimo Palombella
in album: Cantate Domino - La Cappella Sistina e la musica dei Papi
  type: MusicAlbum
  date published: 2015-09-25
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: DEN961500580
additional property: CopyrightID
additional property: CopyrightStatus
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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
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
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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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8970a06035adda628e81ac3a6e8867f0564ae07e01bcc4bc088c9d3c8b5182ba. 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/DEN961500580.
  date published: 2026-07-02T03:55:08Z
audio: Super flumina Babilonis
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Improperium exspectavit cor meum
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duration: PT3M23S
duration ms: 203080
explicit: false
by artist: Giovanni Pierluigi da Palestrina
by artist: Sistine Chapel Choir
by artist: Massimo Palombella
in album: Cantate Domino - La Cappella Sistina e la musica dei Papi
  type: MusicAlbum
  date published: 2015-09-25
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: DEN961500590
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a29b8c9bdd3fc61b450d74ddefb768a24a0318163d82a5f7e8b61215a470887
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959163
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959163
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961500590
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T20:50:44Z
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a29b8c9bdd3fc61b450d74ddefb768a24a0318163d82a5f7e8b61215a470887. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:50:44Z), 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/DEN961500590.
  date published: 2026-07-22T20:50:44Z
audio: Improperium exspectavit cor meum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.2
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.119
  additional property: Energy
    type: PropertyValue
    value: 0.28
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.878
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.071
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.091
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Christus factus est pro nobis
type: MusicRecording
duration: PT2M35S
duration ms: 155200
explicit: false
by artist: Traditional
by artist: Sistine Chapel Choir
by artist: Massimo Palombella
in album: Cantate Domino - La Cappella Sistina e la musica dei Papi
  type: MusicAlbum
  date published: 2015-09-25
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: DEN961500610
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:25:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd0574650cc6d62dd8e1efa16c38f4a12e6aad6ddb22bc0f9cb89cede9c607686
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961500610
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0574650cc6d62dd8e1efa16c38f4a12e6aad6ddb22bc0f9cb89cede9c607686. 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/DEN961500610.
  date published: 2026-07-02T03:55:08Z
audio: Christus factus est pro nobis
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.702
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.17
  additional property: Energy
    type: PropertyValue
    value: 0.024
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.641
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -37.973
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Christus factus est pro nobis
type: MusicRecording
duration: PT2M41S
duration ms: 161893
explicit: false
by artist: Felice Anerio
by artist: Sistine Chapel Choir
by artist: Massimo Palombella
in album: Cantate Domino - La Cappella Sistina e la musica dei Papi
  type: MusicAlbum
  date published: 2015-09-25
isrc code: DEN961500620
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:25:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x611a6604ee3ddabc618be77fa89c4e0c3beb0fc77f376d2bb5ea265759aa14e5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961500620
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x611a6604ee3ddabc618be77fa89c4e0c3beb0fc77f376d2bb5ea265759aa14e5. 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/DEN961500620.
  date published: 2026-07-02T03:55:08Z
audio: Christus factus est pro nobis
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.704
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.172
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.889
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.034
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.244
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Popule meus (Improperia)
type: MusicRecording
duration: PT3M37S
duration ms: 217053
explicit: false
by artist: Tomás Luis de Victoria
by artist: Sistine Chapel Choir
by artist: Massimo Palombella
in album: Cantate Domino - La Cappella Sistina e la musica dei Papi
  type: MusicAlbum
  date published: 2015-09-25
isrc code: DEN961500630
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T17:02:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe06aefe0463c78377a6e22a5b5a06dbc28195d3e52d3ccf514dbfe62dccae453
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961500630
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe06aefe0463c78377a6e22a5b5a06dbc28195d3e52d3ccf514dbfe62dccae453. 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/DEN961500630.
  date published: 2026-07-02T03:30:09Z
audio: Popule meus (Improperia)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.927
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.139
  additional property: Energy
    type: PropertyValue
    value: 0.058
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.754
  additional property: Liveness
    type: PropertyValue
    value: 0.203
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.032
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.755
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Adoramus te, Christe
type: MusicRecording
duration: PT2M15S
duration ms: 135866
explicit: false
by artist: Giovanni Pierluigi da Palestrina
by artist: Sistine Chapel Choir
by artist: Massimo Palombella
in album: Cantate Domino - La Cappella Sistina e la musica dei Papi
  type: MusicAlbum
  date published: 2015-09-25
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: DEN961500640
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:21:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x97e03c4feea33da6deb32d6ea177faf49d08439c1e312249d484a9da084abdca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961500640
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97e03c4feea33da6deb32d6ea177faf49d08439c1e312249d484a9da084abdca. 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/DEN961500640.
  date published: 2026-07-02T03:55:08Z
audio: Adoramus te, Christe
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.741
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.15
  additional property: Energy
    type: PropertyValue
    value: 0.053
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.885
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.743
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sicut cervus
type: MusicRecording
duration: PT2M42S
duration ms: 162626
explicit: false
by artist: Giovanni Pierluigi da Palestrina
by artist: Sistine Chapel Choir
by artist: Massimo Palombella
in album: Cantate Domino - La Cappella Sistina e la musica dei Papi
  type: MusicAlbum
  date published: 2015-09-25
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: DEN961500650
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:54:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfcc262bbd6930ce7a334e6ad1218a3bdc792cb42be7a3a966a01636d01799d67
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961500650
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcc262bbd6930ce7a334e6ad1218a3bdc792cb42be7a3a966a01636d01799d67. 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/DEN961500650.
  date published: 2026-07-02T03:55:08Z
audio: Sicut cervus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.353
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.144
  additional property: Energy
    type: PropertyValue
    value: 0.097
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.951
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.122
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Angelus Domini
type: MusicRecording
duration: PT2M23S
duration ms: 143266
explicit: false
by artist: Giovanni Pierluigi da Palestrina
by artist: Sistine Chapel Choir
by artist: Massimo Palombella
in album: Cantate Domino - La Cappella Sistina e la musica dei Papi
  type: MusicAlbum
  date published: 2015-09-25
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: DEN961500660
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:36:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb28a398ec47314738159ebea359b114d88af160f7b40600ddae980895ef784fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961500660
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb28a398ec47314738159ebea359b114d88af160f7b40600ddae980895ef784fe. 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/DEN961500660.
  date published: 2026-07-02T03:55:08Z
audio: Angelus Domini
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.598
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.103
  additional property: Energy
    type: PropertyValue
    value: 0.314
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.942
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Jubilate Deo
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Tu es Petrus
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Lassus: Missa super Dixit Joseph & Motets
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Orlando di Lasso: Musica reservata
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Lasso: Lagrime di San Pietro
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Lasso: Cantiones duum vocum
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Motets (From Patrocinium Musices, 1573/74)
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Orlande de Lassus
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Lasso: Septem Psalmi Poenitent
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Lassus: Lagrime Di San Pietro
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track: Lagrime di San Pietro: II. Ma gli archi
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  subject of: OpenTimestamps Proof of Existence
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OpenTimestamps Proof of Existence
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Lagrime di San Pietro: V. Giovane donna il suo bel volto in specchio
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The Lamentations of Jeremiah (Carus Classics)
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Lasso: Hymnus
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Lasso: Cantiones Duarum Vocum
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Lassus: Missa Vinum Bonum ('Good Wine Mass') with accompanying motets
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Viva Napoli
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Lassus: Biographie musicale, Vol. 2 (La gloire musicale de la Bavière, le temps de la faveur)
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Roland de Lassus: La chambre musicale d'Albert le Magnifique
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Lassus: Prophetiae Sibyllarum & Missa Amor ecco colei
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Lassus: The Lamentations of Jeremiah (for five voices)
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Laudent Deum - Sacred Music by Orlande de Lassus
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Lassus: Biographie musicale, Vol. 1 (Années de jeunesse)
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Lasso: Christmas Motets
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Lassus: Requiem, Music for Easter Sunday
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Lassus: Missa Surge propera; Magnificat quarti toni
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Lassus, O.: Vocal Music
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L'homme armé. Musique de guerre et de paix, 1450-1650
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Lassus: Chansons
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Lasso: Lectio Sexta "Quis mihi hox tribuat", LV 681
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DHM Splendeurs: Lassus: Requiem A5 / Magnificat
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A Monk's Life
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Resurrection - Masterworks for Easter
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Monteverdi: Selva morale e spirituale: No. 9, Et resurrexit, SV 260
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Schütz: Historia der Auferstehung Jesu Christi, Op. 3, SWV 50: Introitus. "Die Auferstehung unsers Herren Jesu Christi"
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Schütz: Historia der Auferstehung Jesu Christi, Op. 3, SWV 50: Beschluss. "Gott sei Dank"
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by artist: Louis Devos
by artist: Musica Polyphonica
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Schütz: Historia der Auferstehung Jesu Christi, Op. 3, SWV 50: Beschluss. "Gott sei Dank"
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Liszt: Christus, S. 3, Pt. 3: Easter Hymn
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by artist: Franz Liszt
by artist: James Conlon
by artist: Slovak Philharmonic Choir
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Liszt: Christus, S. 3, Pt. 3: Easter Hymn
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Tournemire: L'orgue mystique, Cycle de Pâques, Op. 56, Office No. 16 "Sabbato Sancto": II. Communion
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duration: PT2M20S
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by artist: Charles Tournemire
by artist: Bernard Heiniger
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Tournemire: L'orgue mystique, Cycle de Pâques, Op. 56, Office No. 16 "Sabbato Sancto": II. Communion
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Messiaen: Et exspecto resurrectionem mortuorum: II. Le Christ, ressuscité des morts, ne meurt plus ; la mort n'a plus sur lui d'empire
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duration: PT5M27S
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by artist: Pierre Boulez
by artist: Percussions de Strasbourg
by artist: Orchestre Du Domaine Musical
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genre: classical
genre: avant-garde
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Messiaen: Et exspecto resurrectionem mortuorum: II. Le Christ, ressuscité des morts, ne meurt plus ; la mort n'a plus sur lui d'empire
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Schütz: Lukas-Passion, SWV 480: Introitus. "Das Leiden unsers Herren Jesu Christi"
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duration: PT1M14S
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explicit: false
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by artist: Jürgen Jürgens
by artist: Monteverdi-Chor Hamburg
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Schütz: Lukas-Passion, SWV 480: Introitus. "Das Leiden unsers Herren Jesu Christi"
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Schubert: Chor der Engel, D. 440 "Christ ist erstanden!"
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duration: PT2M46S
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by artist: Arnold Schoenberg Chor
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Schubert: Chor der Engel, D. 440 "Christ ist erstanden!"
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De Lalande: Regina coeli: Récit. "Quia quem meruisti" - Trio. "Resurrexit"
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by artist: Ensemble Instrumental de Lausanne
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: De Lalande: Regina coeli: Récit. "Quia quem meruisti" - Trio. "Resurrexit"
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Schütz: Historia der Auferstehung Jesu Christi, Op. 3, SWV 50: "Die Weiber aber gingen hinein in das Grab"
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Schütz: Historia der Auferstehung Jesu Christi, Op. 3, SWV 50: "Die Weiber aber gingen hinein in das Grab"
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Tournemire: L'orgue mystique, Cycle de Pâques, Op. 56, Office No. 16 "Sabbato Sancto": I. Offertoire
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Tournemire: L'orgue mystique, Cycle de Pâques, Op. 56, Office No. 16 "Sabbato Sancto": I. Offertoire
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Bach, JS: Halt im Gedächtnis Jesum Christ, BWV 67: No. 2, Aria. "Mein Jesus ist erstanden"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Bach, JS: Halt im Gedächtnis Jesum Christ, BWV 67: No. 2, Aria. "Mein Jesus ist erstanden"
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Anonymous: Messe de Pâques: Graduel. "Haec dies"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Anonymous: Messe de Pâques: Graduel. "Haec dies"
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Charpentier: Psaume XXVI. "Dominus illumination mea" (D'après le Dixit Dominus, H. 226)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Charpentier: Psaume XXVI. "Dominus illumination mea" (D'après le Dixit Dominus, H. 226)
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Contemplation
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Lassus: The Alchemist, Vol. 2
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    date published: 2026-07-02T03:55:08Z
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    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Magnificat secundi toni "Praeter rerum seriem", LV 1070
  type: MusicRecording
  duration: PT11M58S
  duration ms: 718134
  explicit: false
  by artist: Orlande de Lassus
  by artist: Magnificat
  by artist: Philip Cave
  in album: Lassus: The Alchemist, Vol. 2
    type: MusicAlbum
    date published: 2025-05-30
  genre: classical
  genre: choral
  genre: gregorian-chant
  genre: medieval
  isrc code: GBASH2576002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-28T06:06:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x73188cdca88501aaf114bffb90938dfcf374e18d20a1603e0bb1df2e143bc361
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBASH2576002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73188cdca88501aaf114bffb90938dfcf374e18d20a1603e0bb1df2e143bc361. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/GBASH2576002.
    date published: 2026-07-02T16:51:38Z
  audio: Magnificat secundi toni "Praeter rerum seriem", LV 1070
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 109.582
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.095
    additional property: Energy
      type: PropertyValue
      value: 0.064
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.983
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.174
    additional property: Liveness
      type: PropertyValue
      value: 0.246
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.067
    additional property: Loudness (dB)
      type: PropertyValue
      value: -26.866
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Omnis enim homo, LV 836
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131427
  explicit: false
  by artist: Orlande de Lassus
  by artist: Magnificat
  by artist: Philip Cave
  in album: Lassus: The Alchemist, Vol. 2
    type: MusicAlbum
    date published: 2025-05-30
  genre: classical
  genre: choral
  genre: gregorian-chant
  genre: medieval
  isrc code: GBASH2576003
  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
  audio: Omnis enim homo, LV 836
track: Magnificat primi toni "Omnis enim homo", LV 894
track: Memor esto verbi tui, LV 832
track: Aurora lucis rutilat, LV 1141

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-22T09:16:18+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x03cdc8790df2dbf5d853a3f644826f247fdf9668d043ad0aaf58ba7fcd476591

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 959118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/959118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBASH2576003

OTSTimestamp
type: PropertyValue
value: 2026-07-22T10:01:58Z

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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03cdc8790df2dbf5d853a3f644826f247fdf9668d043ad0aaf58ba7fcd476591. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/GBASH2576003.
date published: 2026-07-22T10:01:58Z

Omnis enim homo, LV 836
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 81.464
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.206
additional property: Energy
  type: PropertyValue
  value: 0.083
additional property: Speechiness
  type: PropertyValue
  value: 0.049
additional property: Acousticness
  type: PropertyValue
  value: 0.991
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.1
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.142
additional property: Loudness (dB)
  type: PropertyValue
  value: -21.749
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

Magnificat primi toni "Omnis enim homo", LV 894
type: MusicRecording
duration: PT8M5S
duration ms: 485420
explicit: false
by artist: Orlande de Lassus
by artist: Magnificat
by artist: Philip Cave
in album: Lassus: The Alchemist, Vol. 2
  type: MusicAlbum
  date published: 2025-05-30
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: GBASH2576004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:34:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e99b5d0164e5e8eca201fb7e71c6b4b19ac2be69ccc97a0d7c33cc772e43a91
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBASH2576004
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e99b5d0164e5e8eca201fb7e71c6b4b19ac2be69ccc97a0d7c33cc772e43a91. 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/GBASH2576004.
  date published: 2026-07-08T03:20:19Z
audio: Magnificat primi toni "Omnis enim homo", LV 894
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.614
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.134
  additional property: Energy
    type: PropertyValue
    value: 0.055
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.036
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.064
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.17
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Memor esto verbi tui, LV 832
type: MusicRecording
duration: PT2M36S
duration ms: 156245
explicit: false
by artist: Orlande de Lassus
by artist: Magnificat
by artist: Philip Cave
in album: Lassus: The Alchemist, Vol. 2
  type: MusicAlbum
  date published: 2025-05-30
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: GBASH2576005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:24:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd4b1ddda3d619ea11a88b25066aa23b15c9e8101127cac0e4d152da38a58a21c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957819
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957819
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBASH2576005
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T07:53:33Z
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4b1ddda3d619ea11a88b25066aa23b15c9e8101127cac0e4d152da38a58a21c. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/GBASH2576005.
  date published: 2026-07-13T07:53:33Z
audio: Memor esto verbi tui, LV 832
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.223
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.126
  additional property: Energy
    type: PropertyValue
    value: 0.076
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.937
  additional property: Liveness
    type: PropertyValue
    value: 0.226
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.105
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.191
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Aurora lucis rutilat, LV 1141
type: MusicRecording
duration: PT3M57S
duration ms: 237530
explicit: false
by artist: Orlande de Lassus
by artist: Magnificat
by artist: Philip Cave
in album: Lassus: The Alchemist, Vol. 2
  type: MusicAlbum
  date published: 2025-05-30
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: GBASH2576015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T04:25:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdb70d2bb39c25d9a199faf04cc0bb873651e0c3758b770d0e038aefb2b5fb1d7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBASH2576015
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb70d2bb39c25d9a199faf04cc0bb873651e0c3758b770d0e038aefb2b5fb1d7. 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/GBASH2576015.
  date published: 2026-06-13T13:32:09Z
audio: Aurora lucis rutilat, LV 1141
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.743
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.147
  additional property: Energy
    type: PropertyValue
    value: 0.089
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.883
  additional property: Liveness
    type: PropertyValue
    value: 0.161
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.082
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.304
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lassus: Penitential Psalms
type: MusicAlbum
date published: 2025-02-07
track: Psalmi Davidis poenitentiales, Primus Psalmus Poenitentialis, LV 794: Domine me, ne in furore tuo arguas me
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202186
  explicit: false
  by artist: Orlande de Lassus
  by artist: Cappella Amsterdam
  by artist: Daniel Reuss
  in album: Lassus: Penitential Psalms
    type: MusicAlbum
    date published: 2025-02-07
  genre: classical
  genre: choral
  genre: gregorian-chant
  genre: medieval
  isrc code: NLE422306601
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T04:35:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4cabc2c9bdb48ec7e3971f581d1f89751e93b51df1c59988b6621accaf4bc36c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422306601
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cabc2c9bdb48ec7e3971f581d1f89751e93b51df1c59988b6621accaf4bc36c. 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/NLE422306601.
    date published: 2026-07-02T03:55:08Z
  audio: Psalmi Davidis poenitentiales, Primus Psalmus Poenitentialis, LV 794: Domine me, ne in furore tuo arguas me
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.884
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.178
    additional property: Energy
      type: PropertyValue
      value: 0.188
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.991
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.153
    additional property: Liveness
      type: PropertyValue
      value: 0.141
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.06
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.186
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Psalmi Davidis poenitentiales, Primus Psalmus Poenitentialis, LV 794: Convertere Domine
  type: MusicRecording
  duration: PT5M59S
  duration ms: 359693
  explicit: false
  by artist: Orlande de Lassus
  by artist: Cappella Amsterdam
  by artist: Daniel Reuss
  in album: Lassus: Penitential Psalms
    type: MusicAlbum
    date published: 2025-02-07
  genre: classical
  genre: choral
  genre: gregorian-chant
  genre: medieval
  isrc code: NLE422306602
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T16:26:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb6797305940375b9f2d192892004828194bc1e62ffe2df124bc29b795fcc5220
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956312
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422306602
  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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6797305940375b9f2d192892004828194bc1e62ffe2df124bc29b795fcc5220. 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/NLE422306602.
    date published: 2026-07-02T05:09:12Z
  audio: Psalmi Davidis poenitentiales, Primus Psalmus Poenitentialis, LV 794: Convertere Domine
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 143.471
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.164
    additional property: Energy
      type: PropertyValue
      value: 0.178
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.136
    additional property: Liveness
      type: PropertyValue
      value: 0.173
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.044
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.655
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Psalmi Davidis poenitentiales, Primus Psalmus Poenitentialis, LV 794: Exaudivit Dominus deprecationem meam
  type: MusicRecording
  duration: PT1M44S
  duration ms: 104186
  explicit: false
  by artist: Orlande de Lassus
  by artist: Cappella Amsterdam
  by artist: Daniel Reuss
  in album: Lassus: Penitential Psalms
    type: MusicAlbum
    date published: 2025-02-07
  genre: classical
  genre: choral
  genre: gregorian-chant
  genre: medieval
  isrc code: NLE422306603
  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
  audio: Psalmi Davidis poenitentiales, Primus Psalmus Poenitentialis, LV 794: Exaudivit Dominus deprecationem meam
track: Psalmi Davidis poenitentiales, Primus Psalmus Poenitentialis, LV 794: Gloria Patri, et Filio, et Spiritui Sancto
track: Psalmi Davidis poenitentiales, Secundus Psalmus Poenitentialis, LV 795: Beati quorum remissae sunt iniquitates
track: Psalmi Davidis poenitentiales, Secundus Psalmus Poenitentialis, LV 795: Quoniam tacui
track: Psalmi Davidis poenitentiales, Secundus Psalmus Poenitentialis, LV 795: Pro hac orabit ad te omnis sanctus

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-26T00:11:06+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xcb098550e6a1470c2c611c1bc5b7321755133320447123c7e07f669c3335144c

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422306603

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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb098550e6a1470c2c611c1bc5b7321755133320447123c7e07f669c3335144c. 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/NLE422306603.
date published: 2026-07-02T03:55:08Z

Psalmi Davidis poenitentiales, Primus Psalmus Poenitentialis, LV 794: Exaudivit Dominus deprecationem meam
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 105.771
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.169
additional property: Energy
  type: PropertyValue
  value: 0.127
additional property: Speechiness
  type: PropertyValue
  value: 0.036
additional property: Acousticness
  type: PropertyValue
  value: 0.993
additional property: Instrumentalness
  type: PropertyValue
  value: 0.003
additional property: Liveness
  type: PropertyValue
  value: 0.175
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.122
additional property: Loudness (dB)
  type: PropertyValue
  value: -25.139
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Psalmi Davidis poenitentiales, Primus Psalmus Poenitentialis, LV 794: Gloria Patri, et Filio, et Spiritui Sancto
type: MusicRecording
duration: PT1M57S
duration ms: 117920
explicit: false
by artist: Orlande de Lassus
by artist: Cappella Amsterdam
by artist: Daniel Reuss
in album: Lassus: Penitential Psalms
  type: MusicAlbum
  date published: 2025-02-07
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: NLE422306604
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T03:30:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f475043009f0328c8744284e731c98133c40483451ca0291481eabb5f4690f6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422306604
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f475043009f0328c8744284e731c98133c40483451ca0291481eabb5f4690f6. 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/NLE422306604.
  date published: 2026-07-02T03:55:08Z
audio: Psalmi Davidis poenitentiales, Primus Psalmus Poenitentialis, LV 794: Gloria Patri, et Filio, et Spiritui Sancto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.2
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.186
  additional property: Energy
    type: PropertyValue
    value: 0.234
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.01
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.909
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Psalmi Davidis poenitentiales, Secundus Psalmus Poenitentialis, LV 795: Beati quorum remissae sunt iniquitates
type: MusicRecording
duration: PT2M21S
duration ms: 141107
explicit: false
by artist: Orlande de Lassus
by artist: Cappella Amsterdam
by artist: Daniel Reuss
in album: Lassus: Penitential Psalms
  type: MusicAlbum
  date published: 2025-02-07
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: NLE422306605
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T00:07:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x68d05bd6777b08be8ac21b14c35b22723f62b638b47e59ab246f20e94cabf33f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422306605
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68d05bd6777b08be8ac21b14c35b22723f62b638b47e59ab246f20e94cabf33f. 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/NLE422306605.
  date published: 2026-07-02T03:55:08Z
audio: Psalmi Davidis poenitentiales, Secundus Psalmus Poenitentialis, LV 795: Beati quorum remissae sunt iniquitates
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 171.908
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.095
  additional property: Energy
    type: PropertyValue
    value: 0.22
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.347
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.792
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Psalmi Davidis poenitentiales, Secundus Psalmus Poenitentialis, LV 795: Quoniam tacui
type: MusicRecording
duration: PT4M52S
duration ms: 292587
explicit: false
by artist: Orlande de Lassus
by artist: Cappella Amsterdam
by artist: Daniel Reuss
in album: Lassus: Penitential Psalms
  type: MusicAlbum
  date published: 2025-02-07
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: NLE422306606
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:56:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1b1063948092f7dd0c4445c5a890d074ee8190a339cf89ce5e15bdd670637a4a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957819
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957819
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422306606
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T07:53:33Z
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b1063948092f7dd0c4445c5a890d074ee8190a339cf89ce5e15bdd670637a4a. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/NLE422306606.
  date published: 2026-07-13T07:53:33Z
audio: Psalmi Davidis poenitentiales, Secundus Psalmus Poenitentialis, LV 795: Quoniam tacui
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.071
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.096
  additional property: Energy
    type: PropertyValue
    value: 0.154
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.162
  additional property: Liveness
    type: PropertyValue
    value: 0.159
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.062
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.701
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Psalmi Davidis poenitentiales, Secundus Psalmus Poenitentialis, LV 795: Pro hac orabit ad te omnis sanctus
type: MusicRecording
duration: PT2M5S
duration ms: 125880
explicit: false
by artist: Orlande de Lassus
by artist: Cappella Amsterdam
by artist: Daniel Reuss
in album: Lassus: Penitential Psalms
  type: MusicAlbum
  date published: 2025-02-07
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: NLE422306607
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T01:29:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x79861c136c504a4ec8946f162042a0bf9cd86fc3999951c2bedf7b15686337e1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422306607
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79861c136c504a4ec8946f162042a0bf9cd86fc3999951c2bedf7b15686337e1. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/NLE422306607.
  date published: 2026-07-06T01:25:57Z
audio: Psalmi Davidis poenitentiales, Secundus Psalmus Poenitentialis, LV 795: Pro hac orabit ad te omnis sanctus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.567
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.182
  additional property: Energy
    type: PropertyValue
    value: 0.163
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.029
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.097
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.247
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Miserere Mei (feat. Orlando Di Lasso)
type: MusicRecording
duration: PT2M10S
duration ms: 130639
explicit: false
by artist: The Schola Cantorum of St. John XXIII Parish
by artist: Orlande de Lassus
in album: Resurrexit Sicut Dixit
  type: MusicAlbum
  date published: 2016-12-01
popularity: 37
genre: punk
genre: hardcore-punk
genre: gregorian-chant
genre: hymns
genre: catholic-music
isrc code: TCACT1694167
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T13:14:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25d980435f64f6db77874a7707ab9449b0458186a8276882fedaadee935d9ef6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCACT1694167
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25d980435f64f6db77874a7707ab9449b0458186a8276882fedaadee935d9ef6. 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/TCACT1694167.
  date published: 2026-06-13T12:47:07Z
audio: Miserere Mei (feat. Orlando Di Lasso)
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Quia vidisti me, Thoma
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Quia vidisti me, Thoma
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Domine Dominus noster
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by artist: The King's Singers
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popularity: 13
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Domine Dominus noster
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Ad te levavi animam meam
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popularity: 13
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Ad te levavi animam meam
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