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genre: minimalism
description: Duarte Lobo ( – 24 September 1646; Latinized as Eduardus Lupus) was a Portuguese composer of the late Renaissance and early Baroque. He was one of the most famous Portuguese composers of the time, to
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album: Agnus Dei
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  track: Missa Cantuariensis, Op. 59: Agnus Dei
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  track: Missa Bell' amfritit' altera: Agnus Dei
  track: Mass in B Minor, BWV 232: Agnus Dei - Dona nobis pacem
  track: Mass for Double Choir: Agnus Dei
  track: Missa Che fa oggi il mio sole: Agnus Dei
  track: Mass in G Major, FP 89: Agnus Dei
  track: Missa pro defunctis a8: Agnus Dei
album: Pater Peccavi: Music of Lamentation from Renaissance Portugal
album: Come, Holy Spirit - Music for Ascension, Pentecost & Trinity
album: Portuguese Classical Masterpieces
album: Obras-primas da música clássica portuguesa
album: Saints and Sinners - The Music of Medieval and Renaissance Europe
album: Voces angelicae. Portuguese Renaissance Church Music
album: D. Lobo: Masses, Responsories & Motets
album: Masterpieces of Portuguese Polyphony
album: Jubilate! Golden Favourites from St. Paul's Cathedral
album: El Clave de Emperador
album: Victoria / Lobo / Lasso: Masses
album: St. John Cantius Presents: Renaissance Polyphony of Portugal for Our Lady of Fatima
album: Music for an Antwerp Church
album: Renaissance Portugal
album: Vecchi: Requiem – Rubens's Funeral & The Antwerp Baroque
album: Lobo, D. / Cardoso: Portuguese Requiem Masses
album: Portuguese Polyphony
album: Sospiro
album: Paradisi Portas - Choral Music from 17th-Century Portugal
album: Una frontera invisible
album: Renaissance Era Classical
album: Magnum Mysterium I: A Special 2 ½ Hour Collection of Sacred Music Classics
album: Portuguese Vocal Masterpieces of the 16th & 17th Centuries, Vol. 1
album: Twist of Christmas

Missa pro defunctis a8: Agnus Dei
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by artist: The Sixteen
by artist: Harry Christophers
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genre: portuguese-early-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T22:27:30Z
audio: Missa pro defunctis a8: Agnus Dei
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Missa Veni Domine: Kyrie
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by artist: Duarte Lobo
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  date published: 2026-07-08T08:56:20Z
audio: Missa Veni Domine: Kyrie
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Pater peccavi
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Missa Veni Domine: Sanctus & Benedictus
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8841ceb8554bf6a5696d42343c3551968cd344ca733906824a60173d348d3138. 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/GBEBL1820511.
  date published: 2026-07-08T03:20:19Z
audio: Missa Veni Domine: Sanctus & Benedictus
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.121
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.527
  additional property: Key Name
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  additional property: Mode Name
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Missa Veni Domine: Gloria
type: MusicRecording
duration: PT3M55S
duration ms: 235983
explicit: false
by artist: Duarte Lobo
by artist: The Marian Consort
by artist: Rory McCleery
in album: Pater Peccavi: Music of Lamentation from Renaissance Portugal
  type: MusicAlbum
  date published: 2018-10-19
popularity: 0
genre: portuguese-early-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c8c38475e17cbc67ba2405f6ece7fd7ac178968b794479f7597881a6f320902. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/GBEBL1820505.
  date published: 2026-07-31T19:53:13Z
audio: Missa Veni Domine: Gloria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.776
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.156
  additional property: Energy
    type: PropertyValue
    value: 0.196
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.015
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.053
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.027
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: GBEBL1820505
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960455
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T19:53:13+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBEBL1820505
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13+00:00
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

Audivi vocem
type: MusicRecording
duration: PT2M34S
duration ms: 154128
explicit: false
by artist: Duarte Lobo
by artist: The Marian Consort
by artist: Rory McCleery
in album: Pater Peccavi: Music of Lamentation from Renaissance Portugal
  type: MusicAlbum
  date published: 2018-10-19
popularity: 1
genre: portuguese-early-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25fa6e6f387887c2be2e87239f093bf7ff18394838d3a19d559a97c3b6847e59. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBEBL1820516.
  date published: 2026-07-31T03:15:04Z
audio: Audivi vocem
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.202
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.258
  additional property: Energy
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    value: 0.122
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.492
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: GBEBL1820516
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960340
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T03:15:04+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBEBL1820516
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960340
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960340
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T03:15:04+00:00
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

TeIl Me, Lovely Shepherd from the Serenata “Solomon”
type: MusicRecording
duration: PT3M30S
duration ms: 210506
explicit: false
by artist: Duarte Lobo
by artist: William Boyce
by artist: Paul Phoenix
by artist: The Boys of the St Paul's Cathedral Choir
by artist: Barry Rose
in album: Jubilate! Golden Favourites from St. Paul's Cathedral
  type: MusicAlbum
  date published: 1994-01-01
genre: portuguese-early-music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee785d0760c13f15907d0995b5d1763cbb6501e0bff2741ade58eb2da6fc1cac. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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/CH6639472403.
  date published: 2026-07-31T15:27:29Z
audio: TeIl Me, Lovely Shepherd from the Serenata “Solomon”
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.289
  additional property: Energy
    type: PropertyValue
    value: 0.028
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.01
  additional property: Liveness
    type: PropertyValue
    value: 0.078
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.097
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.183
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: CH6639472403
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960422
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:27:29+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6639472403
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960422
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960422
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:27:29+00:00
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

Missa pro defunctis: Sanctus
type: MusicRecording
duration: PT2M32S
duration ms: 152106
explicit: false
by artist: Duarte Lobo
by artist: Oxford Schola Cantorum
by artist: Jeremy Summerly
in album: Lobo, D. / Cardoso: Portuguese Requiem Masses
  type: MusicAlbum
  date published: 1993-02-10
popularity: 0
genre: portuguese-early-music
isrc code: HKI199358405
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:16:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26577131b4a040188332290c4450ff7e66d4760761b84fd73398295504b54d24
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199358405
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26577131b4a040188332290c4450ff7e66d4760761b84fd73398295504b54d24. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199358405.
  date published: 2026-07-08T03:22:41Z
audio: Missa pro defunctis: Sanctus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.004
  additional property: Musical Key
    type: PropertyValue
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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
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  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
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    value: 0.846
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.677
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Instrumentalness
type: PropertyValue
value: 0.312

Liveness
type: PropertyValue
value: 0.1

Valence (Positivity)
type: PropertyValue
value: 0.035

Loudness (dB)
type: PropertyValue
value: -29.71

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Major

Missa Bell' amfritit' altera: Agnus Dei
type: MusicRecording
duration: PT4M29S
duration ms: 269613
explicit: false
by artist: Orlande de Lassus
by artist: The Sixteen
by artist: Harry Christophers
in album: Agnus Dei
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: GBEJP2118607
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ef385742d1a232d8f93f31244b236baf21225680efbcac02163ee69fc2d2ef7
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/GBEJP2118607
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ef385742d1a232d8f93f31244b236baf21225680efbcac02163ee69fc2d2ef7. 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/GBEJP2118607.
  date published: 2026-07-08T03:20:19Z
audio: Missa Bell' amfritit' altera: Agnus Dei
  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
    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
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.285
  additional property: Liveness
    type: PropertyValue
    value: 0.078
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass in B Minor, BWV 232: Agnus Dei - Dona nobis pacem
type: MusicRecording
duration: PT2M40S
duration ms: 160346
explicit: false
by artist: Johann Sebastian Bach
by artist: The Sixteen
by artist: Harry Christophers
in album: Agnus Dei
  type: MusicAlbum
  date published: 2021-09-03
genre: classical
genre: classical-piano
isrc code: GBEJP2118608
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67d263df4e422a50685f7cc97081aa14cc3f2fed22079077687209a33c3e0b64
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/GBEJP2118608
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67d263df4e422a50685f7cc97081aa14cc3f2fed22079077687209a33c3e0b64. 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/GBEJP2118608.
  date published: 2026-07-08T03:20:19Z
audio: Mass in B Minor, BWV 232: Agnus Dei - Dona nobis pacem
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.088
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.904
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.14
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.986
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
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Mass for Double Choir: Agnus Dei
type: MusicRecording
duration: PT5M43S
duration ms: 343493
explicit: false
by artist: Frank Martin
by artist: The Sixteen
by artist: Harry Christophers
in album: Agnus Dei
  type: MusicAlbum
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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Missa Che fa oggi il mio sole: Agnus Dei
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Mass in G Major, FP 89: Agnus Dei
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subject of: OpenTimestamps Proof of Existence
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Pater Peccavi: Music of Lamentation from Renaissance Portugal
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    date published: 2026-07-08T08:56:20Z
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    date published: 2026-07-08T03:53:27Z
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Come, Holy Spirit - Music for Ascension, Pentecost & Trinity
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    date published: 2026-07-08T03:53:27Z
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Portuguese Classical Masterpieces
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Obras-primas da música clássica portuguesa
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Saints and Sinners - The Music of Medieval and Renaissance Europe
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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  subject of: OpenTimestamps Proof of Existence
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track: Laudario di Cortona: Venite a laudare (Come and praise)

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OTSVerificationAPI
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OTSVerifyInstructions
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value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34ccee54ce3aa819cacdac32fb9cb5ed9f5b09950a9fdc65758f383510ebb039. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190433631.
date published: 2026-07-08T03:53:27Z

Sederunt principes (4-part organum - plainchant)
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Laudario di Cortona: Venite a laudare (Come and praise)
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by artist: Oni Wytars Ensemble
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Laudario di Cortona: Venite a laudare (Come and praise)
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Voces angelicae. Portuguese Renaissance Church Music
type: MusicAlbum
date published: 2024-03-15

D. Lobo: Masses, Responsories & Motets
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Masterpieces of Portuguese Polyphony
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Jubilate! Golden Favourites from St. Paul's Cathedral
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
  audio: A Grateful Heart (“Thou That Hast Given So Much to Me”) - Poem by George Herbert
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track: I'd Like to Teach the World to Sing
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  by artist: arranged by Barry Rose
  by artist: Backer-davis-cook-greenaway
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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  subject of: OpenTimestamps Proof of Existence
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track: Brother James’ Air (“The Lord’s My Shepherd”) - Words from Psalm 23
track: But Thou Didst Not Leave His Soul in Hell - From the Oratorio “Messiah”
track: My Way (comme d'habitude) - English Lyrics by Paul Anka
track: Nunc Dimittis (From "Tinker, Tailor, Soldier, Spy"
track: TeIl Me, Lovely Shepherd from the Serenata “Solomon”

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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → 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

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ac8a0f519ee308fe98bf72ca876692005a1d24788f0306b1383b7f7d530b5e3. 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/CH6639472407.
date published: 2026-07-08T03:20:19Z

Try to Remember (From “The Fantasticks”) - Words by Tom Jones
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Brother James’ Air (“The Lord’s My Shepherd”) - Words from Psalm 23
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by artist: Music arranged and orchestrated by Gordon Jacob
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Brother James’ Air (“The Lord’s My Shepherd”) - Words from Psalm 23
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But Thou Didst Not Leave His Soul in Hell - From the Oratorio “Messiah”
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duration ms: 169333
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by artist: George Frideric Handel
by artist: Paul Phoenix
by artist: The Boys of the St Paul's Cathedral Choir
by artist: John Scott
in album: Jubilate! Golden Favourites from St. Paul's Cathedral
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: But Thou Didst Not Leave His Soul in Hell - From the Oratorio “Messiah”
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My Way (comme d'habitude) - English Lyrics by Paul Anka
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duration: PT4M0S
duration ms: 240000
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by artist: Martinho García de Olague
by artist: arranged by Barry Rose
by artist: Claude Francois, Jacques Revaux
by artist: Paul Phoenix
by artist: The Boys of the St Paul's Cathedral Choir
by artist: Jeremy Carpenter
in album: Jubilate! Golden Favourites from St. Paul's Cathedral
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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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  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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: My Way (comme d'habitude) - English Lyrics by Paul Anka
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Nunc Dimittis (From "Tinker, Tailor, Soldier, Spy"
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duration: PT2M38S
duration ms: 158506
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by artist: Camille Saint-Saëns
by artist: Geoffrey Burgon
by artist: Paul Phoenix
by artist: The Boys of the St Paul's Cathedral Choir
in album: Jubilate! Golden Favourites from St. Paul's Cathedral
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  date published: 1994-01-01
genre: classical
genre: late-romantic-era
genre: french-romanticism
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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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  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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Nunc Dimittis (From "Tinker, Tailor, Soldier, Spy"
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El Clave de Emperador
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date published: 2021-11-12
track: Les sauvages (Arr. for Chamber Ensemble)
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  by artist: Todos los Tonos y Ayres
  by artist: Íliber Ensemble
  by artist: María del Mar Blasco
  by artist: Rubén García Benito
  by artist: Darío Tamayo
  by artist: Aníbal Soriano
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Les sauvages (Arr. for Chamber Ensemble)
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Victoria / Lobo / Lasso: Masses
type: MusicAlbum
date published: 1995-09-11
track: Missa O magnum mysterium: Kyrie
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  duration: PT1M14S
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Missa O magnum mysterium: Kyrie
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track: Missa O magnum mysterium: Sanctus
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
  audio: Missa O magnum mysterium: Sanctus
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St. John Cantius Presents: Renaissance Polyphony of Portugal for Our Lady of Fatima
type: MusicAlbum
date published: 2017-08-18

Music for an Antwerp Church
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date published: 2017-03-24
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Renaissance Portugal
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Vecchi: Requiem – Rubens's Funeral & The Antwerp Baroque
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Lobo, D. / Cardoso: Portuguese Requiem Masses
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Portuguese Polyphony
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Sospiro
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Paradisi Portas - Choral Music from 17th-Century Portugal
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Una frontera invisible
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Renaissance Era Classical
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Magnum Mysterium I: A Special 2 ½ Hour Collection of Sacred Music Classics
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Portuguese Vocal Masterpieces of the 16th & 17th Centuries, Vol. 1
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Twist of Christmas
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