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genre: choral
genre: requiem
description: thumb|Maria Stader on Rigi-Kaltbad, New Year 1965200px|alt=Maria Stader's signature Maria Stader (November 5, 1911 – April 27, 1999) was a Hungarian-born Swiss lyric soprano, known particularly for he
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album: Excerpts From The Merry Wives Of Windsor
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album: Dvořák: Requiem (Karel Ančerl Edition, Vol. 6)
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  date published: 1959
  track: Requiem, Op. 89, B. 165, Pt. 1: VII. Confutatis maledictis
  track: Requiem, Op. 89, B. 165, Pt. 1: I. Requiem aeternam
  track: Requiem, Op. 89, B. 165, Pt. 1: II. Graduale
  track: Requiem, Op. 89, B. 165, Pt. 1: III. Dies irae
  track: Requiem, Op. 89, B. 165, Pt. 1: IV. Tuba mirum
  track: Requiem, Op. 89, B. 165, Pt. 1: V. Quid sum miser
  track: Requiem, Op. 89, B. 165, Pt. 2: IX. Offertorium
album: Maria Stader / Chor der St.Hedwigs-Kathedrale / Berliner Philarmoniker / Igor Markevitch play: Wolfgang Amadeus Mozart: Missa [Nr. 14], Krönungsmesse, KV 317
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  track: Herz und Mund und Tat und Leben, BWV 147: III. Aria. Schäme dich, o Seele nicht (Alto)
  track: Herz und Mund und Tat und Leben, BWV 147: X. Chorale. Jesus bleibet meine Freude
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album: Singers of the Century: Maria Stader Sings Mozart (2019 Remaster)
album: Süßer Die Glocken Nie Klingen (Classical German Christmas Songs)
album: In Dulci Jubilo: Maria Stader Sings European Songs
album: Brahms: Ein deutsches Requiem, Op. 45 (Live)
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album: Maria Stader singt Kantaten von Johann Sebastian Bach
album: Bruckner: Messe No. 3 (Stereo Version)
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album: Mozart: Arias
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album: Mozart: Messe in C Minor, K. 427 "Grosse Messe" (Mono Version)
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album: Verdi: La traviata (German Version, Stereo Version)
album: Mozart: Die Entführung aus dem Serail (Short Version, Mono Version)
album: Beethoven: Missa solemnis (Mono Version)
track: Mass in D, Op. 123 "Missa Solemnis" / 5. Agnus Dei - Adagio: Dona nobis pacem
track: Mass In D, Op. 123 "Missa Solemnis" / 1. Kyrie - Assai sostenuto (Mit Andacht): Christe eleison
track: Mass In D, Op. 123 "Missa Solemnis" / 2. Gloria - Allegro vivace: Quoniam tu solus Sanctus
track: Mass In D, Op. 123 "Missa Solemnis" / 2. Gloria - Allegro vivace: "Amen, Amen, in gloria Dei Patris" / "Quoniam tu solus..."

Requiem, Op. 89, B. 165, Pt. 1: VII. Confutatis maledictis
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  date published: 2026-07-08T08:56:20Z
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Requiem, Op. 89, B. 165, Pt. 1: I. Requiem aeternam
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  date published: 2026-07-31T02:19:15Z
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Requiem, Op. 89, B. 165, Pt. 1: II. Graduale
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  date published: 2026-07-31T02:19:15Z
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  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+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

Requiem, Op. 89, B. 165, Pt. 1: III. Dies irae
type: MusicRecording
duration: PT2M11S
duration ms: 131901
explicit: false
by artist: Antonín Dvořák
by artist: Maria Stader
by artist: Sieglinde Wagner
by artist: Ernst Haefliger
by artist: Kim Borg
by artist: Czech Philharmonic
by artist: Karel Ančerl
by artist: Czech Chorus, Prague
by artist: Markéta Kühnová
in album: Dvořák: Requiem (Karel Ančerl Edition, Vol. 6)
  type: MusicAlbum
  date published: 1959
genre: classical
genre: late-romantic-era
genre: czech-classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4a3e460ea487ef732f43371407105432a9cd2984dc5f0bf143ad490fd3b163d. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), 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/DEF055930003.
  date published: 2026-07-30T14:44:50Z
audio: Requiem, Op. 89, B. 165, Pt. 1: III. Dies irae
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.02
  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: 0.318
  additional property: Energy
    type: PropertyValue
    value: 0.233
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.133
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.38
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: DEF055930003
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: 960266
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T14:44:50+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055930003
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960266
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960266
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:44:50+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

Requiem, Op. 89, B. 165, Pt. 1: IV. Tuba mirum
type: MusicRecording
duration: PT8M49S
duration ms: 529066
explicit: false
by artist: Antonín Dvořák
by artist: Maria Stader
by artist: Sieglinde Wagner
by artist: Ernst Haefliger
by artist: Kim Borg
by artist: Czech Philharmonic
by artist: Karel Ančerl
by artist: Czech Chorus, Prague
by artist: Markéta Kühnová
in album: Dvořák: Requiem (Karel Ančerl Edition, Vol. 6)
  type: MusicAlbum
  date published: 1959
genre: classical
genre: late-romantic-era
genre: czech-classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe285d2c50ded3bfcf00758679eac3c4882df2db4940df5691aa4956395302ac. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055930004.
  date published: 2026-07-30T09:58:01Z
audio: Requiem, Op. 89, B. 165, Pt. 1: IV. Tuba mirum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.581
  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: 0.177
  additional property: Energy
    type: PropertyValue
    value: 0.109
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.478
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEF055930004
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: 960241
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:58:01+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055930004
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960241
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960241
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:58:01+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

Requiem, Op. 89, B. 165, Pt. 1: V. Quid sum miser
type: MusicRecording
duration: PT5M47S
duration ms: 347073
explicit: false
by artist: Antonín Dvořák
by artist: Maria Stader
by artist: Sieglinde Wagner
by artist: Ernst Haefliger
by artist: Kim Borg
by artist: Czech Philharmonic
by artist: Karel Ančerl
by artist: Czech Chorus, Prague
by artist: Markéta Kühnová
in album: Dvořák: Requiem (Karel Ančerl Edition, Vol. 6)
  type: MusicAlbum
  date published: 1959
genre: classical
genre: late-romantic-era
genre: czech-classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf43e3955131870d480da0ac3bed6256471bc2e456f94b70d6d6af87f5a7c2151. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/DEF055930005.
  date published: 2026-07-31T13:04:34Z
audio: Requiem, Op. 89, B. 165, Pt. 1: V. Quid sum miser
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.917
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.209
  additional property: Energy
    type: PropertyValue
    value: 0.051
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.174
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.788
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEF055930005
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: 960403
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T13:04:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055930005
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34+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

Requiem, Op. 89, B. 165, Pt. 2: IX. Offertorium
type: MusicRecording
duration: PT11M52S
duration ms: 712067
explicit: false
by artist: Antonín Dvořák
by artist: Maria Stader
by artist: Sieglinde Wagner
by artist: Ernst Haefliger
by artist: Kim Borg
by artist: Czech Philharmonic
by artist: Karel Ančerl
by artist: Czech Chorus, Prague
by artist: Markéta Kühnová
in album: Dvořák: Requiem (Karel Ančerl Edition, Vol. 6)
  type: MusicAlbum
  date published: 1959
genre: classical
genre: late-romantic-era
genre: czech-classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4423b94c90a3216e87aec28176d0be3377d98d707e8d2bd4fee97b20a93544a. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/DEF055930009.
  date published: 2026-07-31T23:51:35Z
audio: Requiem, Op. 89, B. 165, Pt. 2: IX. Offertorium
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.614
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.247
  additional property: Energy
    type: PropertyValue
    value: 0.225
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.032
  additional property: Liveness
    type: PropertyValue
    value: 0.281
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.448
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEF055930009
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: 960481
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T23:51:35+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055930009
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960481
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960481
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35+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

Magnificat in D Major, BWV 243: III. Quia respexit...4. Omnes generationes
type: MusicRecording
duration: PT4M31S
duration ms: 271826
explicit: false
by artist: Johann Sebastian Bach
by artist: Maria Stader
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
isrc code: DEF056130604
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:36:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc0e3f942c05e0a61061c2c1f802d06cbc8aa4ecc3c6f635776dcd849de241a8f
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/DEF056130604
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
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: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+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 0xc0e3f942c05e0a61061c2c1f802d06cbc8aa4ecc3c6f635776dcd849de241a8f. 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/DEF056130604.
  date published: 2026-07-02T03:55:08Z
audio: Magnificat in D Major, BWV 243: III. Quia respexit...4. Omnes generationes
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.158
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.203
  additional property: Energy
    type: PropertyValue
    value: 0.185
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.878
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.204
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.091
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Magnificat in D Major, BWV 243: X. Chorus: "Suscepit Israel"
type: MusicRecording
duration: PT1M53S
duration ms: 113000
explicit: false
by artist: Johann Sebastian Bach
by artist: Maria Stader
by artist: Hertha Töpper
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
isrc code: DEF056130611
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:58:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4f2d39eab4d8bc2d7852e4882f9c973bc25fd7ae6de46f3e702924216064091e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957039
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957039
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056130611
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T12:58:18Z
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: 957039
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T12:58:18+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 0x4f2d39eab4d8bc2d7852e4882f9c973bc25fd7ae6de46f3e702924216064091e. Chain 2 (Bitcoin): anchored in block 957039 (2026-07-07T12:58:18Z), 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/DEF056130611.
  date published: 2026-07-07T12:58:18Z
audio: Magnificat in D Major, BWV 243: X. Chorus: "Suscepit Israel"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.54
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.211
  additional property: Energy
    type: PropertyValue
    value: 0.098
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.975
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.192
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.837
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Te Deum, WAB. 45: I. Te Deum laudamus
type: MusicRecording
duration: PT5M58S
duration ms: 358000
explicit: false
by artist: Anton Bruckner
by artist: Maria Stader
by artist: Sieglinde Wagner
by artist: Ernst Haefliger
by artist: Peter Lagger
by artist: Wolfgang Meyer
by artist: Berliner Philharmoniker
by artist: Eugen Jochum
by artist: Chor der Deutschen Oper Berlin
by artist: Walter Hagen-Groll
in album: Bruckner: Te Deum; Motetten; 150. Psalm
  type: MusicAlbum
  date published: 1999-01-01
popularity: 10
genre: classical
genre: orchestra
isrc code: DEF056500961
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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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Te Deum, WAB. 45: I. Te Deum laudamus
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Te Deum, WAB. 45: II. Te ergo
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duration: PT2M47S
duration ms: 167000
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by artist: Anton Bruckner
by artist: Maria Stader
by artist: Sieglinde Wagner
by artist: Ernst Haefliger
by artist: Peter Lagger
by artist: Wolfgang Meyer
by artist: Berliner Philharmoniker
by artist: Eugen Jochum
by artist: Chor der Deutschen Oper Berlin
by artist: Walter Hagen-Groll
in album: Bruckner: Te Deum; Motetten; 150. Psalm
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  date published: 1999-01-01
popularity: 10
genre: classical
genre: orchestra
isrc code: DEF056500962
additional property: CopyrightID
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Te Deum, WAB. 45: II. Te ergo
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Te Deum, WAB. 45: III. Aeterna fac
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explicit: false
by artist: Anton Bruckner
by artist: Maria Stader
by artist: Sieglinde Wagner
by artist: Ernst Haefliger
by artist: Peter Lagger
by artist: Wolfgang Meyer
by artist: Berliner Philharmoniker
by artist: Eugen Jochum
by artist: Chor der Deutschen Oper Berlin
by artist: Walter Hagen-Groll
in album: Bruckner: Te Deum; Motetten; 150. Psalm
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  date published: 1999-01-01
popularity: 11
genre: classical
genre: orchestra
isrc code: DEF056500963
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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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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Te Deum, WAB. 45: III. Aeterna fac
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Te Deum, WAB. 45: IV. Salvum fac
type: MusicRecording
duration: PT6M0S
duration ms: 360000
explicit: false
by artist: Anton Bruckner
by artist: Maria Stader
by artist: Sieglinde Wagner
by artist: Ernst Haefliger
by artist: Peter Lagger
by artist: Wolfgang Meyer
by artist: Berliner Philharmoniker
by artist: Eugen Jochum
by artist: Chor der Deutschen Oper Berlin
by artist: Walter Hagen-Groll
in album: Bruckner: Te Deum; Motetten; 150. Psalm
  type: MusicAlbum
  date published: 1999-01-01
popularity: 7
genre: classical
genre: orchestra
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91caaa08d93cb65c3f8d7f43b7430733829b07334d27823b2368407ea303b100. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056500964.
  date published: 2026-07-29T11:30:20Z
audio: Te Deum, WAB. 45: IV. Salvum fac
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  additional property: Tempo (BPM)
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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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

Te Deum, WAB. 45: V. In te, Domine, speravi
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duration: PT5M52S
duration ms: 352000
explicit: false
by artist: Anton Bruckner
by artist: Maria Stader
by artist: Sieglinde Wagner
by artist: Ernst Haefliger
by artist: Peter Lagger
by artist: Wolfgang Meyer
by artist: Berliner Philharmoniker
by artist: Eugen Jochum
by artist: Chor der Deutschen Oper Berlin
by artist: Walter Hagen-Groll
in album: Bruckner: Te Deum; Motetten; 150. Psalm
  type: MusicAlbum
  date published: 1999-01-01
popularity: 8
genre: classical
genre: orchestra
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1480749b7dedfdf6a95e45882bf2ff37892adb2bb5208dae9a9890b5a5a1bcd9. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DEF056500965.
  date published: 2026-07-29T19:35:34Z
audio: Te Deum, WAB. 45: V. In te, Domine, speravi
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  additional property: Tempo (BPM)
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additional property: OTSVerificationAPI
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Psalm 150, for Soprano, Chorus and Orchestra, WAB. 38
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duration: PT8M50S
duration ms: 530000
explicit: false
by artist: Anton Bruckner
by artist: Maria Stader
by artist: Berliner Philharmoniker
by artist: Eugen Jochum
by artist: Chor der Deutschen Oper Berlin
in album: Bruckner: Te Deum; Motetten; 150. Psalm
  type: MusicAlbum
  date published: 1999-01-01
popularity: 4
genre: classical
genre: orchestra
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T08:30:10Z
audio: Psalm 150, for Soprano, Chorus and Orchestra, WAB. 38
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  additional property: Danceability
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  additional property: Acousticness
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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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Mass in D, Op. 123 "Missa Solemnis" / 5. Agnus Dei - Adagio: Dona nobis pacem
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by artist: Ludwig van Beethoven
by artist: Maria Stader
by artist: Marianna Radev
by artist: Anton Dermota
by artist: Josef Greindl
by artist: Wolfgang Meyer
by artist: Berliner Philharmoniker
by artist: Karl Böhm
by artist: Chor der St. Hedwigs-Kathedrale Berlin
in album: 12 Contredanses, Stage Music & Other Works
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  date published: 2025-01-05
popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
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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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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Mass in D, Op. 123 "Missa Solemnis" / 5. Agnus Dei - Adagio: Dona nobis pacem
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Mass In D, Op. 123 "Missa Solemnis" / 1. Kyrie - Assai sostenuto (Mit Andacht): Christe eleison
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by artist: Ludwig van Beethoven
by artist: Maria Stader
by artist: Marianna Radev
by artist: Anton Dermota
by artist: Josef Greindl
by artist: Wolfgang Meyer
by artist: Berliner Philharmoniker
by artist: Karl Böhm
by artist: Chor der St. Hedwigs-Kathedrale Berlin
in album: 12 Contredanses, Stage Music & Other Works
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popularity: 1
genre: classical
genre: classical-piano
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Mass In D, Op. 123 "Missa Solemnis" / 1. Kyrie - Assai sostenuto (Mit Andacht): Christe eleison
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Mass In D, Op. 123 "Missa Solemnis" / 2. Gloria - Allegro vivace: Quoniam tu solus Sanctus
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by artist: Ludwig van Beethoven
by artist: Maria Stader
by artist: Marianna Radev
by artist: Anton Dermota
by artist: Josef Greindl
by artist: Wolfgang Meyer
by artist: Berliner Philharmoniker
by artist: Karl Böhm
by artist: Chor der St. Hedwigs-Kathedrale Berlin
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popularity: 2
genre: classical
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genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
audio: Mass In D, Op. 123 "Missa Solemnis" / 2. Gloria - Allegro vivace: Quoniam tu solus Sanctus
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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 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

Mass In D, Op. 123 "Missa Solemnis" / 2. Gloria - Allegro vivace: "Amen, Amen, in gloria Dei Patris" / "Quoniam tu solus..."
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by artist: Ludwig van Beethoven
by artist: Maria Stader
by artist: Marianna Radev
by artist: Anton Dermota
by artist: Josef Greindl
by artist: Wolfgang Meyer
by artist: Berliner Philharmoniker
by artist: Karl Böhm
by artist: Chor der St. Hedwigs-Kathedrale Berlin
in album: 12 Contredanses, Stage Music & Other Works
  type: MusicAlbum
  date published: 2025-01-05
popularity: 2
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
audio: Mass In D, Op. 123 "Missa Solemnis" / 2. Gloria - Allegro vivace: "Amen, Amen, in gloria Dei Patris" / "Quoniam tu solus..."
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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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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3edd7cb9136547c62c39032b7cc653827e3fb918785a64fabe42953e5bc0f42d. 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/DEF056100173.
date published: 2026-07-08T03:22:41Z

Herz und Mund und Tat und Leben, BWV 147: II. Recit. Gebenedeiter Mund! (Tenor)
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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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Herz und Mund und Tat und Leben, BWV 147: III. Aria. Schäme dich, o Seele nicht (Alto)
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by artist: Hertha Töpper
by artist: Solistengemeinschaft Der Bachwoche Ansbach
by artist: Karl Richter
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genre: classical
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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: Herz und Mund und Tat und Leben, BWV 147: III. Aria. Schäme dich, o Seele nicht (Alto)
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Herz und Mund und Tat und Leben, BWV 147: X. Chorale. Jesus bleibet meine Freude
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by artist: Karl Richter
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genre: classical
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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: Herz und Mund und Tat und Leben, BWV 147: X. Chorale. Jesus bleibet meine Freude
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Magnificat in D Major, BWV 243: I. Chorus: "Magnificat"
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by artist: Münchener Bach-Orchester
by artist: Karl Richter
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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: Magnificat in D Major, BWV 243: I. Chorus: "Magnificat"
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Magnificat in D Major, BWV 243: VII. Chorus: "Fecit potentiam"
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by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Magnificat in D Major, BWV 243: VII. Chorus: "Fecit potentiam"
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Magnificat in D Major, BWV 243: XII. Chorus: "Gloria Patri"
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by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
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genre: classical
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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
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Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
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date published: 1979-01-01
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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: Wachet auf, ruft uns die Stimme, Cantata BWV 140: I. "Wachet auf, ruft uns die Stimme"
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track: Wachet auf, ruft uns die Stimme, Cantata BWV 140: II. "Er kommt, er kommt, der Bräutigam kommt!"
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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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track: Wachet auf, ruft uns die Stimme, Cantata BWV 140: III. "Wann kommst du, mein Heil?"
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  subject of: OpenTimestamps Proof of Existence
  audio: Wachet auf, ruft uns die Stimme, Cantata BWV 140: III. "Wann kommst du, mein Heil?"
track: Wachet auf, ruft uns die Stimme, Cantata BWV 140: IV. "Zion hört die Wächter singen"
track: Wachet auf, ruft uns die Stimme, Cantata BWV 140: V. "So geh herein zu mir"
track: Wachet auf, ruft uns die Stimme, Cantata BWV 140: VI. "Mein Freund ist mein!"
track: Wachet auf, ruft uns die Stimme, Cantata BWV 140: VII. "Gloria sei dir gesungen"
track: Magnificat in D Major, BWV 243: I. Chorus: "Magnificat"
track: Magnificat in D Major, BWV 243: II. Aria: "Et exsultavit spiritus meus"
track: Magnificat in D Major, BWV 243: III. Quia respexit...4. Omnes generationes
track: Magnificat in D Major, BWV 243: V. Aria: "Quia fecit mihi magna" (bass)
track: Magnificat in D Major, BWV 243: VI. Aria (Duet): "Et misericordia" (alto, tenor)
track: Magnificat in D Major, BWV 243: VII. Chorus: "Fecit potentiam"
track: Magnificat in D Major, BWV 243: X. Chorus: "Suscepit Israel"
track: Magnificat in D Major, BWV 243: XI. Chorus: "Sicut locutus est"
track: Magnificat in D Major, BWV 243: XII. Chorus: "Gloria Patri"

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OpenTimestamps Proof of Existence
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date published: 2026-07-02T05:09:12Z

Wachet auf, ruft uns die Stimme, Cantata BWV 140: III. "Wann kommst du, mein Heil?"
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Wachet auf, ruft uns die Stimme, Cantata BWV 140: IV. "Zion hört die Wächter singen"
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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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe700bbd93892bf978f77d08d1a76600630eeebf924a788e073a92d2bcb20b654. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057803511.
  date published: 2026-06-13T15:41:10Z
audio: Wachet auf, ruft uns die Stimme, Cantata BWV 140: IV. "Zion hört die Wächter singen"
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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
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.147
  additional property: Energy
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    value: 0.165
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.861
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.478
  additional property: Liveness
    type: PropertyValue
    value: 0.129
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.159
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.898
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Wachet auf, ruft uns die Stimme, Cantata BWV 140: V. "So geh herein zu mir"
type: MusicRecording
duration: PT2M0S
duration ms: 120026
explicit: false
by artist: Johann Sebastian Bach
by artist: Dietrich Fischer-Dieskau
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
isrc code: DEF057803515
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:43:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaecdf06e1763d7ac85912559c81ac6a532a36f23b4b197e8b955b5bd1acaf0e5
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/DEF057803515
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaecdf06e1763d7ac85912559c81ac6a532a36f23b4b197e8b955b5bd1acaf0e5. 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/DEF057803515.
  date published: 2026-07-02T03:55:08Z
audio: Wachet auf, ruft uns die Stimme, Cantata BWV 140: V. "So geh herein zu mir"
  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
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.166
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.324
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Wachet auf, ruft uns die Stimme, Cantata BWV 140: VI. "Mein Freund ist mein!"
type: MusicRecording
duration: PT6M23S
duration ms: 383306
explicit: false
by artist: Johann Sebastian Bach
by artist: Edith Mathis
by artist: Dietrich Fischer-Dieskau
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
isrc code: DEF057803516
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:08:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a89033edf90a83eaa416c735246743c5d1cc3fe886083b70f51c98f04f3fe10
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/DEF057803516
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a89033edf90a83eaa416c735246743c5d1cc3fe886083b70f51c98f04f3fe10. 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/DEF057803516.
  date published: 2026-07-02T05:09:12Z
audio: Wachet auf, ruft uns die Stimme, Cantata BWV 140: VI. "Mein Freund ist mein!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.241
  additional property: Energy
    type: PropertyValue
    value: 0.295
  additional property: Speechiness
    type: PropertyValue
    value: 0.097
  additional property: Acousticness
    type: PropertyValue
    value: 0.805
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.137
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.382
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Wachet auf, ruft uns die Stimme, Cantata BWV 140: VII. "Gloria sei dir gesungen"
type: MusicRecording
duration: PT1M49S
duration ms: 109333
explicit: false
by artist: Johann Sebastian Bach
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
isrc code: DEF057803517
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T15:38:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdcfd1a077ff273298a1dbc3290629b78cd4efb6760b5e4d3a03ba31193c01dff
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/DEF057803517
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcfd1a077ff273298a1dbc3290629b78cd4efb6760b5e4d3a03ba31193c01dff. 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/DEF057803517.
  date published: 2026-07-02T03:55:08Z
audio: Wachet auf, ruft uns die Stimme, Cantata BWV 140: VII. "Gloria sei dir gesungen"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.112
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.226
  additional property: Energy
    type: PropertyValue
    value: 0.162
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.601
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.512
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.897
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Magnificat in D Major, BWV 243: I. Chorus: "Magnificat"
type: MusicRecording
duration: PT3M10S
duration ms: 190733
explicit: false
by artist: Johann Sebastian Bach
by artist: Münchener Bach-Orchester
by artist: Karl Richter
by artist: Münchener Bach-Chor
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
isrc code: DEF056130601
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T04:54:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b358f29f1c5fe6b9a551b55994575914501bd32770eea6fb64d91505e5729e3
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/DEF056130601
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b358f29f1c5fe6b9a551b55994575914501bd32770eea6fb64d91505e5729e3. 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/DEF056130601.
  date published: 2026-07-02T03:30:09Z
audio: Magnificat in D Major, BWV 243: I. Chorus: "Magnificat"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.623
  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: 0.553
  additional property: Energy
    type: PropertyValue
    value: 0.506
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.89
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.909
  additional property: Liveness
    type: PropertyValue
    value: 0.163
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.881
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.549
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Magnificat in D Major, BWV 243: II. Aria: "Et exsultavit spiritus meus"
type: MusicRecording
duration: PT2M46S
duration ms: 166133
explicit: false
by artist: Johann Sebastian Bach
by artist: Hertha Töpper
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
isrc code: DEF056130602
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:23:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1e2302e20f5baede31220127a3e45230d107689139af7df0690344441286dda
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/DEF056130602
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1e2302e20f5baede31220127a3e45230d107689139af7df0690344441286dda. 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/DEF056130602.
  date published: 2026-07-02T03:55:08Z
audio: Magnificat in D Major, BWV 243: II. Aria: "Et exsultavit spiritus meus"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.315
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.419
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.366
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.522
  additional property: Key Name
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  additional property: Mode Name
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Magnificat in D Major, BWV 243: V. Aria: "Quia fecit mihi magna" (bass)
type: MusicRecording
duration: PT2M16S
duration ms: 136440
explicit: false
by artist: Johann Sebastian Bach
by artist: Dietrich Fischer-Dieskau
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
isrc code: DEF056130605
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T06:39:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc77be55739b8e5f7d71dddef2fc4d33137e5e7729f4c93f41acae643a135011a
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/DEF056130605
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc77be55739b8e5f7d71dddef2fc4d33137e5e7729f4c93f41acae643a135011a. 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/DEF056130605.
  date published: 2026-07-02T03:55:08Z
audio: Magnificat in D Major, BWV 243: V. Aria: "Quia fecit mihi magna" (bass)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.281
  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: 0.372
  additional property: Energy
    type: PropertyValue
    value: 0.1
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.243
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.382
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Magnificat in D Major, BWV 243: VI. Aria (Duet): "Et misericordia" (alto, tenor)
type: MusicRecording
duration: PT3M49S
duration ms: 229533
explicit: false
by artist: Johann Sebastian Bach
by artist: Hertha Töpper
by artist: Ernst Haefliger
by artist: Münchener Bach-Orchester
by artist: Karl Richter
in album: Bach, J.S.: Cantata BWV 140, Magnificat BWV 243
  type: MusicAlbum
  date published: 1979-01-01
genre: classical
genre: classical-piano
isrc code: DEF056130606
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
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subject of: OpenTimestamps Proof of Existence
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Magnificat in D Major, BWV 243: VII. Chorus: "Fecit potentiam"
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Magnificat in D Major, BWV 243: XI. Chorus: "Sicut locutus est"
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  date published: 2026-07-07T14:04:01Z
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Magnificat in D Major, BWV 243: XII. Chorus: "Gloria Patri"
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  date published: 2026-07-06T07:53:57Z
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Mahler: Symphony No. 2 "Resurrection" - Nan Merriman Recitals
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Johann Sebastian Bach: Cantata BWV 51 Jauchzet Gott In Allen Landen - Hochzeitskantate, BWV 202 Weichet Nur, Betrübte Schatten
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track: Te Deum, WAB. 45: IV. Salvum fac
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Cherubini: Requiem in D Minor
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Brahms: Ein deutsches Requiem (Mono Version)
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Mozart: Zaide, K. 344 (Fragment)
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Mozart: Don Giovanni, Extracts (Stereo Version)
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Mozart: Le nozze di Figaro (Mono Version)
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Mozart: La flûte enchantée, version abrégée (Mono Version)
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Pierre Monteux in Paris
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Singers of the Century: Maria Stader Sings Mozart (2019 Remaster)
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Süßer Die Glocken Nie Klingen (Classical German Christmas Songs)
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In Dulci Jubilo: Maria Stader Sings European Songs
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Brahms: Ein deutsches Requiem, Op. 45 (Live)
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Mozart: Eine kleine Nachtmusik & Mahler: Symphony No. 4
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Maria Stader singt Kantaten von Johann Sebastian Bach
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Bruckner: Messe No. 3 (Stereo Version)
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Bruckner: Messe No. 3 (1868 Version, Mono Version)
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Mozart: Arias
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Maria Stader singt aus Oratorien (Stereo Version)
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In dulci jubilo (Stereo Version)
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Arien von Wolfgang Amadeus Mozart (Mono Version)
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Airs de Mozart (Stereo Version)
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Maria Stader singt aus Oratorien (Mono Version)
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Mozart: Messe in C Minor, K. 427 "Grosse Messe" (Mono Version)
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Bach: Cantates BWV 51 & BWV 202 (Stereo Version)
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Bach: Cantates BWV 51 & 202 (Mono Version)
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Verdi: La traviata (German Version, Stereo Version)
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Mozart: Die Entführung aus dem Serail (Short Version, Mono Version)
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Beethoven: Missa solemnis (Mono Version)
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