Catherine Robbin
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genre: choral
genre: opera
description: Catherine Robbin OC (born in Toronto, September 28, 1950) is a Canadian mezzo-soprano. She was elected an Officer of the Order of Canada in 2011. Born in Toronto, Robbin studied at The Royal Conserva
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album: Hasse: L'Olimpiade (Live)
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  date published: 1992
album: Handel: Orlando
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  track: Orlando, HWV 31 / Act 3: Vorrei poterti amar
album: Handel: Orlando
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  track: Orlando, HWV 31 / Act 2: Verdi allori
album: Handel: Orlando
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  track: Orlando, HWV 31 / Act 1: Ritornava al suo bel viso
album: Handel: Orlando
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  track: Orlando, HWV 31 / Act 1: Ecco Dorinda
album: Handel: Orlando
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  track: Orlando, HWV 31 / Act 1: Se il cor mai ti dirà
album: Handel: Orlando
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  track: Orlando, HWV 31 / Act 1: Se fedel vuoi, ch'io ti creda
album: Handel: Orlando
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  track: Orlando, HWV 31 / Act 1: Angelica, deh lascia
album: Handel: Orlando
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  track: Orlando, HWV 31 / Act 1: Consolati o bella
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track: Stabat Mater, Hob. XXa:1: II. O quam tristis et afflicta
track: Stabat Mater, Hob. XXa:1: IX. Fac me vere tecum flere
track: Stabat Mater, Hob. XXa:1: X. Virgo virginium praeclara
track: Mozart / Compl. Druce: Requiem in D Minor, K. 626: IV. Tuba mirum
track: Stabat Mater, Hob. XXa:1: XIIIa. Quando corpus morietur

Orlando, HWV 31 / Act 3: Vorrei poterti amar
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Orlando, HWV 31 / Act 2: Verdi allori
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  date published: 2026-07-31T15:20:33Z
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Orlando, HWV 31 / Act 1: Ritornava al suo bel viso
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  date published: 2026-07-31T12:24:41Z
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Orlando, HWV 31 / Act 1: Ecco Dorinda
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  date published: 2026-07-08T03:22:41Z
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Orlando, HWV 31 / Act 1: Se il cor mai ti dirà
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  date published: 2026-07-08T03:20:19Z
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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

Orlando, HWV 31 / Act 1: Se fedel vuoi, ch'io ti creda
type: MusicRecording
duration: PT4M2S
duration ms: 242933
explicit: false
by artist: George Frideric Handel
by artist: Arleen Auger
by artist: Catherine Robbin
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
in album: Handel: Orlando
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4706223b9e0c4f202be56ccb92b9c0372cf869f00f4a210fa2b3bc880cac7df6. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), 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/GBF078942119.
  date published: 2026-08-01T00:10:46Z
audio: Orlando, HWV 31 / Act 1: Se fedel vuoi, ch'io ti creda
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.863
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.311
  additional property: Energy
    type: PropertyValue
    value: 0.04
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.222
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.215
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.897
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBF078942119
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: 960485
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-08-01T00:10:46+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078942119
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960485
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960485
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T00:10:46+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

Orlando, HWV 31 / Act 1: Angelica, deh lascia
type: MusicRecording
duration: PT0M47S
duration ms: 47840
explicit: false
by artist: George Frideric Handel
by artist: Arleen Auger
by artist: Catherine Robbin
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
in album: Handel: Orlando
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2125aaf108e6153d5b32cc84e5cd5f442272b46cea425fb3fbb3cac9e703e7c. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078942121.
  date published: 2026-07-31T19:53:13Z
audio: Orlando, HWV 31 / Act 1: Angelica, deh lascia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.608
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.595
  additional property: Energy
    type: PropertyValue
    value: 0.026
  additional property: Speechiness
    type: PropertyValue
    value: 0.098
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.239
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.304
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.144
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: GBF078942121
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: 960455
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T19:53:13+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078942121
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Orlando, HWV 31 / Act 1: Consolati o bella
type: MusicRecording
duration: PT5M53S
duration ms: 353533
explicit: false
by artist: George Frideric Handel
by artist: Arleen Auger
by artist: Emma Kirkby
by artist: Catherine Robbin
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
in album: Handel: Orlando
  type: MusicAlbum
  date published: 1991-01-01
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d1e3b6a6770c88f28ee0a560ef6a1639d2287c1df55a738c5f8410b04afdb18. 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/GBF078942123.
  date published: 2026-07-08T03:20:19Z
audio: Orlando, HWV 31 / Act 1: Consolati o bella
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.339
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.359
  additional property: Energy
    type: PropertyValue
    value: 0.069
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.058
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.3
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.058
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBF078942123
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: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF078942123
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSTimestamp
  type: PropertyValue
  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 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 C, K.317 "Coronation": 2. Gloria
type: MusicRecording
duration: PT4M36S
duration ms: 276000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emma Kirkby
by artist: Catherine Robbin
by artist: John Mark Ainsley
by artist: Michael George
by artist: Winchester College Quiristers
by artist: Winchester Cathedral Choir
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
in album: Mozart: Coronation Mass; Vesperae solennes de confessore
  type: MusicAlbum
  date published: 1993-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ad120c909554571ead9c2ad96551d82b7a65e5c88a68a824bba301b4373e162. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/GBF079011072.
  date published: 2026-07-30T07:48:45Z
audio: Mass in C, K.317 "Coronation": 2. Gloria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.63
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.27
  additional property: Energy
    type: PropertyValue
    value: 0.182
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.133
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.129
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.97
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBF079011072
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: 960222
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T07:48:45+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079011072
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960222
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960222
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:48:45+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

Mass in C, K.317 "Coronation": 3. Credo
type: MusicRecording
duration: PT6M22S
duration ms: 382666
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emma Kirkby
by artist: Catherine Robbin
by artist: John Mark Ainsley
by artist: Michael George
by artist: Winchester College Quiristers
by artist: Winchester Cathedral Choir
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
in album: Mozart: Coronation Mass; Vesperae solennes de confessore
  type: MusicAlbum
  date published: 1993-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9cfe832b425aa3627bbfb570933cde0e308b99063d5ee0a5247de45ffbefe1c. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/GBF079011074.
  date published: 2026-07-30T04:47:22Z
audio: Mass in C, K.317 "Coronation": 3. Credo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.773
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.246
  additional property: Energy
    type: PropertyValue
    value: 0.273
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.204
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.086
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.138
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBF079011074
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: 960207
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T04:47:22+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079011074
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960207
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960207
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T04:47:22+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

Mass in C, K.317 "Coronation": 5. Benedictus
type: MusicRecording
duration: PT3M16S
duration ms: 196333
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emma Kirkby
by artist: Catherine Robbin
by artist: John Mark Ainsley
by artist: Michael George
by artist: Winchester College Quiristers
by artist: Winchester Cathedral Choir
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
in album: Mozart: Coronation Mass; Vesperae solennes de confessore
  type: MusicAlbum
  date published: 1993-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x160bbffe923f87cdfc559910893e7fb39a884174c38508b9f7cc18a1eedd9322. 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/GBF079011076.
  date published: 2026-07-30T14:44:50Z
audio: Mass in C, K.317 "Coronation": 5. Benedictus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.579
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.229
  additional property: Energy
    type: PropertyValue
    value: 0.069
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.942
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.193
  additional property: Liveness
    type: PropertyValue
    value: 0.174
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.081
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.259
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: GBF079011076
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/GBF079011076
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

Mass in C, K.317 "Coronation": 6. Agnus Dei
type: MusicRecording
duration: PT6M7S
duration ms: 367160
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Emma Kirkby
by artist: Catherine Robbin
by artist: John Mark Ainsley
by artist: Michael George
by artist: Winchester College Quiristers
by artist: Winchester Cathedral Choir
by artist: Academy of Ancient Music
by artist: Christopher Hogwood
in album: Mozart: Coronation Mass; Vesperae solennes de confessore
  type: MusicAlbum
  date published: 1993-01-01
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cd7b16b09253b4f43fd4027c133cb3446061e1c95c41b430955aa9ae73c786e. Chain 2 (Bitcoin): anchored in block 960230 (2026-07-30T08:32:18Z), 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/GBF079011077.
  date published: 2026-07-30T08:32:18Z
audio: Mass in C, K.317 "Coronation": 6. Agnus Dei
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Vesperae solennes de confessore in C, K.339: 2. Confitebor tibi, Domine
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Vesperae solennes de confessore in C, K.339: 3. Beatus vir qui timet Dominum
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Vesperae solennes de confessore in C, K.339: 6. Magnificat anima mea
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Mozart / Compl. Druce: Requiem in D Minor, K. 626: X. Domine Jesu Christe
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Stabat Mater, Hob. XXa:1: II. O quam tristis et afflicta
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Stabat Mater, Hob. XXa:1: IX. Fac me vere tecum flere
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  date published: 2026-07-02T03:55:08Z
audio: Stabat Mater, Hob. XXa:1: IX. Fac me vere tecum flere
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Stabat Mater, Hob. XXa:1: X. Virgo virginium praeclara
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by artist: Patricia Rozario
by artist: Catherine Robbin
by artist: Anthony Rolfe Johnson
by artist: Cornelius Hauptmann
by artist: The English Concert
by artist: Trevor Pinnock
by artist: The English Concert Choir
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T03:55:08Z
audio: Stabat Mater, Hob. XXa:1: X. Virgo virginium praeclara
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Mozart / Compl. Druce: Requiem in D Minor, K. 626: IV. Tuba mirum
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by artist: Sir Roger Norrington
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T06:42:11Z
audio: Mozart / Compl. Druce: Requiem in D Minor, K. 626: IV. Tuba mirum
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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

Stabat Mater, Hob. XXa:1: XIIIa. Quando corpus morietur
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by artist: The English Concert Choir
by artist: The English Concert
by artist: Trevor Pinnock
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  date published: 2026-07-30T03:35:13Z
audio: Stabat Mater, Hob. XXa:1: XIIIa. Quando corpus morietur
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