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description: Edith Wiens OC (born 9 June 1950) is a Canadian opera, recital and concert singer with a soprano voice. Early life and education Wiens, daughter of a Mennonite pastor, grew up in Vancouver where she
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album: Grieg: Peer Gynt
  type: MusicAlbum
  date published: 2009-01-01
album: Strauss, R.: Lieder
  type: MusicAlbum
  date published: 2008-01-01
album: Schubert: Lieder
  type: MusicAlbum
  date published: 2000-01-01
album: Brahms: Lieder
  type: MusicAlbum
  date published: 1998-06-29
album: Mendelssohn: Symphony No. 2
  type: MusicAlbum
  date published: 1994-01-01
album: Schumann: Lieder
  type: MusicAlbum
  date published: 1993-08-10
album: Vaughan Williams: Dona Nobis
  type: MusicAlbum
  date published: 1988-11-01
album: Der Schauspieldirektor - The Impressario
  type: MusicAlbum
  date published: 2023-03-03
track: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": II. Final Scene from Goethe's Faust. "Alles Vergängliche"
track: Oratorio de Noel, Op. 12: Tollite hostias (Chorus)
track: Oratorio de Noel, Op. 12: Prelude (In the Style of Seb. Bach)
track: Oratorio de Noel, Op. 12: Duet: Benedictus qui venit (Soprano, Basso)
track: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Gloria sit Patri Domino"
track: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Accende lumen sensibus"
track: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": II. Final Scene from Goethe's Faust. "Neige, neige, du Ohnegleiche"
track: Oratorio de Noel, Op. 12: Recitative and Chorus: Et Pastores erant - Gloria (Chorus)
track: Oratorio de Noel, Op. 12: Quare fremuerunt gentes (Chorus)
track: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Imple superna gratia"
track: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Infirma nostri corporis"
track: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Veni, Creator Spiritus" (Repeat)
track: Oratorio de Noel, Op. 12: Air: Expectants expectavi Dominum (Soprano)
track: Oratorio de Noel, Op. 12: Air: Domine, ego credidi (Tenor, Chorus)
track: Oratorio de Noel, Op. 12: Trio: Tecum principium (Soprano, Tenor, Basso)
track: Oratorio de Noel, Op. 12: Quartet: Alleluja (Soprano, Soprano, Alto, Basso)
track: Oratorio de Noel, Op. 12: Quintet and Chorus: Consurge, Filia Sion (Soprano, Soprano, Alto, Basso, Chorus)
track: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": II. Final Scene from Goethe's Faust. "Dir, der Unberührbaren"

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Oratorio de Noel, Op. 12: Tollite hostias (Chorus)
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Oratorio de Noel, Op. 12: Prelude (In the Style of Seb. Bach)
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Oratorio de Noel, Op. 12: Duet: Benedictus qui venit (Soprano, Basso)
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Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Gloria sit Patri Domino"
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-08T03:20:19+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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4568667cae77693858d0804b680eb1481ffc6205a9bd03ec6db4783057a822f. 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/GBAYC8600524.
  date published: 2026-07-08T03:22:41Z
audio: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Gloria sit Patri Domino"
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Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Accende lumen sensibus"
type: MusicRecording
duration: PT4M31S
duration ms: 271920
explicit: false
by artist: Gustav Mahler
by artist: Klaus Tennstedt
by artist: Edith Wiens
by artist: Elizabeth Connell
by artist: Hans Sotin
by artist: Jorma Hynninen
by artist: London Philharmonic Choir
by artist: Nadine Denize
by artist: Richard Versalle
by artist: Tiffin School Boys' Choir
by artist: Trudeliese Schmidt
by artist: London Philharmonic Orchestra
in album: Mahler: Symphonies Nos. 4 & 8 "Symphony of a Thousand"
  type: MusicAlbum
  date published: 2006-01-01
popularity: 3
genre: classical
genre: orchestra
isrc code: GBAYC8600522
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8600522
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
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: 2026-07-08T03:22:41Z
audio: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Accende lumen sensibus"
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  additional property: Valence (Positivity)
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Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": II. Final Scene from Goethe's Faust. "Neige, neige, du Ohnegleiche"
type: MusicRecording
duration: PT5M55S
duration ms: 355360
explicit: false
by artist: Gustav Mahler
by artist: Klaus Tennstedt
by artist: Edith Wiens
by artist: Felicity Lott
by artist: London Philharmonic Choir
by artist: Tiffin School Boys' Choir
by artist: London Philharmonic Orchestra
in album: Mahler: Symphonies Nos. 4 & 8 "Symphony of a Thousand"
  type: MusicAlbum
  date published: 2006-01-01
popularity: 2
genre: classical
genre: orchestra
isrc code: GBAYC8600535
additional property: CopyrightID
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ee516ef07387cb3c24e9397455839400729015349f4d3dce636e0aa26834655. 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/GBAYC8600535.
  date published: 2026-07-08T03:20:19Z
audio: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": II. Final Scene from Goethe's Faust. "Neige, neige, du Ohnegleiche"
  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: 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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Oratorio de Noel, Op. 12: Recitative and Chorus: Et Pastores erant - Gloria (Chorus)
type: MusicRecording
duration: PT5M47S
duration ms: 347733
explicit: false
by artist: Camille Saint-Saëns
by artist: Verena Schweizer
by artist: Edith Wiens
by artist: Helena Jungwirth
by artist: Friedreich Melzer
by artist: Kurt Widmer
by artist: Hans-Joachim Bartsch
by artist: Barbara Biermann
by artist: Mainz Bach Choir
by artist: Mainz Bach Orchestra
by artist: Diethard Hellmann
in album: Saint-Saens: Oratorio De Noel (Christmas Oratorio), Op. 12
  type: MusicAlbum
  date published: 2005-01-01
popularity: 4
genre: classical
genre: late-romantic-era
genre: french-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3b4952836c41f12b7a761103bda6686d620479694bfe606853ebabe888c98b4. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/DEAD60502302.
  date published: 2026-07-30T19:42:40Z
audio: Oratorio de Noel, Op. 12: Recitative and Chorus: Et Pastores erant - Gloria (Chorus)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Danceability
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: DEAD60502302
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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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

Oratorio de Noel, Op. 12: Quare fremuerunt gentes (Chorus)
type: MusicRecording
duration: PT3M59S
duration ms: 239933
explicit: false
by artist: Camille Saint-Saëns
by artist: Verena Schweizer
by artist: Edith Wiens
by artist: Helena Jungwirth
by artist: Friedreich Melzer
by artist: Kurt Widmer
by artist: Hans-Joachim Bartsch
by artist: Barbara Biermann
by artist: Mainz Bach Choir
by artist: Mainz Bach Orchestra
by artist: Diethard Hellmann
in album: Saint-Saens: Oratorio De Noel (Christmas Oratorio), Op. 12
  type: MusicAlbum
  date published: 2005-01-01
popularity: 4
genre: classical
genre: late-romantic-era
genre: french-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa57dc6c3b5e8c5636de0b8675dca2c7f32c913fa7ce405fce744af621c3ef52e. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), 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/DEAD60502306.
  date published: 2026-07-30T01:10:20Z
audio: Oratorio de Noel, Op. 12: Quare fremuerunt gentes (Chorus)
  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
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.091
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
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    value: 0.606
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: DEAD60502306
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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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

Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Imple superna gratia"
type: MusicRecording
duration: PT4M21S
duration ms: 261279
explicit: false
by artist: Gustav Mahler
by artist: Klaus Tennstedt
by artist: Edith Wiens
by artist: Elizabeth Connell
by artist: Hans Sotin
by artist: Jorma Hynninen
by artist: London Philharmonic Choir
by artist: Nadine Denize
by artist: Richard Versalle
by artist: Trudeliese Schmidt
by artist: London Philharmonic Orchestra
in album: Mahler: Symphonies Nos. 4 & 8 "Symphony of a Thousand"
  type: MusicAlbum
  date published: 2006-01-01
popularity: 3
genre: classical
genre: orchestra
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x063b4ccf915304966e89ad1e84553d63ac1683949421fa23a4724e3ce4eee443. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GBAYC8600520.
  date published: 2026-07-31T00:26:26Z
audio: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Imple superna gratia"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.267
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.217
  additional property: Energy
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    value: 0.208
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: GBAYC8600520
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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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

Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Infirma nostri corporis"
type: MusicRecording
duration: PT6M38S
duration ms: 398266
explicit: false
by artist: Gustav Mahler
by artist: Klaus Tennstedt
by artist: Edith Wiens
by artist: Elizabeth Connell
by artist: Hans Sotin
by artist: Jorma Hynninen
by artist: London Philharmonic Choir
by artist: Nadine Denize
by artist: Richard Versalle
by artist: Trudeliese Schmidt
by artist: London Philharmonic Orchestra
in album: Mahler: Symphonies Nos. 4 & 8 "Symphony of a Thousand"
  type: MusicAlbum
  date published: 2006-01-01
popularity: 3
genre: classical
genre: orchestra
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T06:42:11Z
audio: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Infirma nostri corporis"
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additional property: OTSVerifyInstructions
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Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Veni, Creator Spiritus" (Repeat)
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by artist: Edith Wiens
by artist: Elizabeth Connell
by artist: Hans Sotin
by artist: Jorma Hynninen
by artist: London Philharmonic Choir
by artist: Nadine Denize
by artist: Richard Versalle
by artist: Trudeliese Schmidt
by artist: London Philharmonic Orchestra
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popularity: 3
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T06:58:00Z
audio: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": I. Hymnus, Veni Creator spiritus. "Veni, Creator Spiritus" (Repeat)
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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

Oratorio de Noel, Op. 12: Air: Expectants expectavi Dominum (Soprano)
type: MusicRecording
duration: PT4M8S
duration ms: 248466
explicit: false
by artist: Camille Saint-Saëns
by artist: Verena Schweizer
by artist: Edith Wiens
by artist: Helena Jungwirth
by artist: Friedreich Melzer
by artist: Kurt Widmer
by artist: Hans-Joachim Bartsch
by artist: Barbara Biermann
by artist: Mainz Bach Choir
by artist: Mainz Bach Orchestra
by artist: Diethard Hellmann
in album: Saint-Saens: Oratorio De Noel (Christmas Oratorio), Op. 12
  type: MusicAlbum
  date published: 2005-01-01
popularity: 3
genre: classical
genre: late-romantic-era
genre: french-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Oratorio de Noel, Op. 12: Air: Expectants expectavi Dominum (Soprano)
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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

Oratorio de Noel, Op. 12: Air: Domine, ego credidi (Tenor, Chorus)
type: MusicRecording
duration: PT4M1S
duration ms: 241760
explicit: false
by artist: Camille Saint-Saëns
by artist: Verena Schweizer
by artist: Edith Wiens
by artist: Helena Jungwirth
by artist: Friedreich Melzer
by artist: Kurt Widmer
by artist: Hans-Joachim Bartsch
by artist: Barbara Biermann
by artist: Mainz Bach Choir
by artist: Mainz Bach Orchestra
by artist: Diethard Hellmann
in album: Saint-Saens: Oratorio De Noel (Christmas Oratorio), Op. 12
  type: MusicAlbum
  date published: 2005-01-01
popularity: 3
genre: classical
genre: late-romantic-era
genre: french-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
audio: Oratorio de Noel, Op. 12: Air: Domine, ego credidi (Tenor, Chorus)
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additional property: OTSVerifyInstructions
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Oratorio de Noel, Op. 12: Trio: Tecum principium (Soprano, Tenor, Basso)
type: MusicRecording
duration: PT4M23S
duration ms: 263933
explicit: false
by artist: Camille Saint-Saëns
by artist: Verena Schweizer
by artist: Edith Wiens
by artist: Helena Jungwirth
by artist: Friedreich Melzer
by artist: Kurt Widmer
by artist: Hans-Joachim Bartsch
by artist: Barbara Biermann
by artist: Mainz Bach Choir
by artist: Mainz Bach Orchestra
by artist: Diethard Hellmann
in album: Saint-Saens: Oratorio De Noel (Christmas Oratorio), Op. 12
  type: MusicAlbum
  date published: 2005-01-01
popularity: 3
genre: classical
genre: late-romantic-era
genre: french-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:23:41Z
audio: Oratorio de Noel, Op. 12: Trio: Tecum principium (Soprano, Tenor, Basso)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Oratorio de Noel, Op. 12: Quartet: Alleluja (Soprano, Soprano, Alto, Basso)
type: MusicRecording
duration: PT2M14S
duration ms: 134600
explicit: false
by artist: Camille Saint-Saëns
by artist: Verena Schweizer
by artist: Edith Wiens
by artist: Helena Jungwirth
by artist: Friedreich Melzer
by artist: Kurt Widmer
by artist: Hans-Joachim Bartsch
by artist: Barbara Biermann
by artist: Mainz Bach Choir
by artist: Mainz Bach Orchestra
by artist: Diethard Hellmann
in album: Saint-Saens: Oratorio De Noel (Christmas Oratorio), Op. 12
  type: MusicAlbum
  date published: 2005-01-01
popularity: 3
genre: classical
genre: late-romantic-era
genre: french-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
audio: Oratorio de Noel, Op. 12: Quartet: Alleluja (Soprano, Soprano, Alto, Basso)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Oratorio de Noel, Op. 12: Quintet and Chorus: Consurge, Filia Sion (Soprano, Soprano, Alto, Basso, Chorus)
type: MusicRecording
duration: PT5M29S
duration ms: 329226
explicit: false
by artist: Camille Saint-Saëns
by artist: Verena Schweizer
by artist: Edith Wiens
by artist: Helena Jungwirth
by artist: Friedreich Melzer
by artist: Kurt Widmer
by artist: Hans-Joachim Bartsch
by artist: Barbara Biermann
by artist: Mainz Bach Choir
by artist: Mainz Bach Orchestra
by artist: Diethard Hellmann
in album: Saint-Saens: Oratorio De Noel (Christmas Oratorio), Op. 12
  type: MusicAlbum
  date published: 2005-01-01
popularity: 3
genre: classical
genre: late-romantic-era
genre: french-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-07-31T02:19:15Z
audio: Oratorio de Noel, Op. 12: Quintet and Chorus: Consurge, Filia Sion (Soprano, Soprano, Alto, Basso, Chorus)
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Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": II. Final Scene from Goethe's Faust. "Dir, der Unberührbaren"
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by artist: Gustav Mahler
by artist: Klaus Tennstedt
by artist: Edith Wiens
by artist: London Philharmonic Choir
by artist: London Philharmonic Orchestra
in album: Mahler: Symphonies Nos. 4 & 8 "Symphony of a Thousand"
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genre: classical
genre: orchestra
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  date published: 2026-07-31T06:58:00Z
audio: Mahler: Symphony No. 8 in E-Flat Major "Symphony of a Thousand": II. Final Scene from Goethe's Faust. "Dir, der Unberührbaren"
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