Ambrosian Singers
type: MusicGroup
genre: opera
description: The Ambrosian Singers are an English choral group based in London. History They were founded after World War II in England. One of their co-founders was Denis Stevens (1922–2004), a British musicolog
popularity: 30
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album: Verdi: I Masnadieri
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  date published: 1975-01-01
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      date published: 1975-01-01
    popularity: 3
    genre: classical
    genre: opera
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  track: I Masnadieri / Act 1: "Nell'argilla maledetta"
  track: I Masnadieri / Act 1: "La sua lampada vitale"
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      date published: 1975-01-01
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    audio: I Masnadieri / Act 1: "La sua lampada vitale"
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  track: I Masnadieri / Act 1: "Lo sguardo avea degli angeli"
  track: I Masnadieri / Act 1: "Ecco un foglio"
  track: I Masnadieri / Act 2: "Dall'infame banchetto"
track: Handel: Messiah, HWV 56, Pt. 2, Scene 7: Chorus. "Hallelujah"
track: Handel: Messiah, HWV 56, Pt. 3, Scene 1: Aria. "I Know That My Redeemer Liveth"
track: Wagner: Tannhäuser, Act III: Gesang der älteren Pilger. "Beglückt darf nun dich, o Heimat, ich schauen" (Chor)
track: Hallelujah
track: Handel: Coronation Anthem No. 1, HWV 258 "Zadok the Priest"
track: Ketèlbey: In a Persian Market
track: Ketèlbey: In a Monastery Garden
track: Grieg: Peer Gynt, Op. 23, Act 2: No. 7, In the Hall of the Mountain King
track: Don Pasquale: "Com'è gentil"
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track: La traviata, Act I: Libiamo, ne'lieti calici (Violetta, Alfredo, Choir)
track: Messiah, HWV. 56, Pt. II Scene 7: No. 44, Hallelujah (Chorus)
track: Carmen, WD 31, Act IV: March and Chorus. Les voici!
track: Messiah, HWV 56, Pt. 1: No. 12, For unto Us a Child is Born (Chorus)

I Masnadieri / Act 1: "Nell'argilla maledetta"
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by artist: Giuseppe Verdi
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by artist: New Philharmonia Orchestra
by artist: Lamberto Gardelli
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  date published: 1975-01-01
popularity: 1
genre: classical
genre: opera
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I Masnadieri / Act 1: "Ecco un foglio"
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I Masnadieri / Act 2: "Dall'infame banchetto"
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by artist: Montserrat Caballé
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  date published: 2026-07-31T08:38:45Z
audio: I Masnadieri / Act 2: "Dall'infame banchetto"
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Handel: Messiah, HWV 56, Pt. 3, Scene 1: Aria. "I Know That My Redeemer Liveth"
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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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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Handel: Messiah, HWV 56, Pt. 3, Scene 1: Aria. "I Know That My Redeemer Liveth"
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Handel: Messiah, HWV 56, Pt. 2, Scene 7: Chorus. "Hallelujah"
type: MusicRecording
duration: PT4M8S
duration ms: 248546
explicit: false
by artist: George Frideric Handel
by artist: Ambrosian Singers
by artist: Sir Charles Mackerras
by artist: English Chamber Orchestra
by artist: Elizabeth Harwood
by artist: Janet Baker
by artist: Paul Esswood
by artist: Robert Tear
by artist: Raimund Herincx
in album: Handel: Messiah, HWV56
  type: MusicAlbum
  date published: 1967
popularity: 13
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: GBAYC8703055
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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: Handel: Messiah, HWV 56, Pt. 2, Scene 7: Chorus. "Hallelujah"
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Wagner: Tannhäuser, Act III: Gesang der älteren Pilger. "Beglückt darf nun dich, o Heimat, ich schauen" (Chor)
type: MusicRecording
duration: PT3M33S
duration ms: 213866
explicit: false
by artist: Richard Wagner
by artist: Marek Janowski
by artist: Ambrosian Singers
by artist: Philharmonia Orchestra
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  date published: 2024-12-15
popularity: 12
genre: classical
genre: opera
isrc code: DEA800115333
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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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additional property: TokenDeploymentConfirmed
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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 0xe6f96b0454ed5bcde53337e7196d7fe7c70bc2046b670832c192ecc70883bccc. 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/DEA800115333.
  date published: 2026-07-02T05:09:12Z
audio: Wagner: Tannhäuser, Act III: Gesang der älteren Pilger. "Beglückt darf nun dich, o Heimat, ich schauen" (Chor)
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Handel: Coronation Anthem No. 1, HWV 258 "Zadok the Priest"
type: MusicRecording
duration: PT5M43S
duration ms: 343400
explicit: false
by artist: George Frideric Handel
by artist: Yehudi Menuhin
by artist: Ambrosian Singers
by artist: Menuhin Festival Orchestra
in album: Essential Baroque
  type: MusicAlbum
  date published: 2009-08-03
popularity: 4
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: GBAYC9400014
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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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/GBAYC9400014
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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: 2026-07-02T05:09:12Z
audio: Handel: Coronation Anthem No. 1, HWV 258 "Zadok the Priest"
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Ketèlbey: In a Persian Market
type: MusicRecording
duration: PT5M51S
duration ms: 351493
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by artist: Albert Ketèlbey
by artist: John Lanchbery
by artist: Ambrosian Singers
by artist: Philharmonia Orchestra
in album: British Light Classics
  type: MusicAlbum
  date published: 2011-11-07
popularity: 3
genre: post-romantic-era
isrc code: GBAYC7700030
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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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
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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: Ketèlbey: In a Persian Market
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Ketèlbey: In a Monastery Garden
type: MusicRecording
duration: PT5M38S
duration ms: 338333
explicit: false
by artist: Albert Ketèlbey
by artist: Philharmonia Orchestra
by artist: John Lanchbery
by artist: Ambrosian Singers
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popularity: 3
genre: post-romantic-era
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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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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Ketèlbey: In a Monastery Garden
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Grieg: Peer Gynt, Op. 23, Act 2: No. 7, In the Hall of the Mountain King
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duration: PT2M26S
duration ms: 146066
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by artist: Edvard Grieg
by artist: Sir John Barbirolli
by artist: Ambrosian Singers
by artist: Hallé
in album: The Classic Experience - 135 of the greatest classical tracks
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popularity: 2
genre: classical
genre: late-romantic-era
genre: norwegian-classical
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additional property: OTSVerificationAPI
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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: Grieg: Peer Gynt, Op. 23, Act 2: No. 7, In the Hall of the Mountain King
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Don Pasquale: "Com'è gentil"
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by artist: Gaetano Donizetti
by artist: Luciano Pavarotti
by artist: Ambrosian Singers
by artist: New Philharmonia Orchestra
by artist: Leone Magiera
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popularity: 2
genre: opera
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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: Don Pasquale: "Com'è gentil"
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Porter: Kiss Me, Kate, Act I: Wunderbar
type: MusicRecording
duration: PT3M40S
duration ms: 220613
explicit: false
by artist: Cole Porter
by artist: Dame Josephine Barstow
by artist: Thomas Hampson
by artist: Kim Criswell
by artist: George Dvorsky
by artist: Damon Evans
by artist: Karla Burns
by artist: Ambrosian Singers
by artist: John McGlinn
by artist: London Sinfonietta
by artist: Josephine Barstow
in album: 100 Best Songs from the Musicals
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popularity: 11
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T15:38:18Z
audio: Porter: Kiss Me, Kate, Act I: Wunderbar
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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 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

La traviata, Act I: Libiamo, ne'lieti calici (Violetta, Alfredo, Choir)
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duration: PT2M53S
duration ms: 173200
explicit: false
by artist: Giuseppe Verdi
by artist: Carlo Rizzi
by artist: Edita Gruberova
by artist: Neil Shicoff
by artist: London Symphony Orchestra
by artist: Ambrosian Singers
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popularity: 9
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T13:09:35Z
audio: La traviata, Act I: Libiamo, ne'lieti calici (Violetta, Alfredo, Choir)
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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

Messiah, HWV. 56, Pt. II Scene 7: No. 44, Hallelujah (Chorus)
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duration: PT4M2S
duration ms: 242040
explicit: false
by artist: George Frideric Handel
by artist: Ambrosian Singers
by artist: English Chamber Orchestra
by artist: Sir Charles Mackerras
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popularity: 2
genre: classical
genre: early-music
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genre: german-baroque
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T06:58:00Z
audio: Messiah, HWV. 56, Pt. II Scene 7: No. 44, Hallelujah (Chorus)
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additional property: OTSVerifyInstructions
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Carmen, WD 31, Act IV: March and Chorus. Les voici!
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duration: PT3M54S
duration ms: 234000
explicit: false
by artist: Georges Bizet
by artist: London Symphony Orchestra
by artist: Claudio Abbado
by artist: Ambrosian Singers
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popularity: 2
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T06:42:11Z
audio: Carmen, WD 31, Act IV: March and Chorus. Les voici!
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additional property: OTSVerifyInstructions
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Messiah, HWV 56, Pt. 1: No. 12, For unto Us a Child is Born (Chorus)
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duration ms: 261706
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by artist: George Frideric Handel
by artist: Sir Charles Mackerras
by artist: English Chamber Orchestra
by artist: Ambrosian Singers
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popularity: 2
genre: classical
genre: early-music
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
audio: Messiah, HWV 56, Pt. 1: No. 12, For unto Us a Child is Born (Chorus)
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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

Acousticness
type: PropertyValue
value: 0.991

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.471

Valence (Positivity)
type: PropertyValue
value: 0.31

Loudness (dB)
type: PropertyValue
value: -25.152

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Major

I Masnadieri / Act 1: "Lo sguardo avea degli angeli"
type: MusicRecording
duration: PT3M54S
duration ms: 234973
explicit: false
by artist: Giuseppe Verdi
by artist: Montserrat Caballé
by artist: New Philharmonia Orchestra
by artist: Lamberto Gardelli
in album: Verdi: I Masnadieri
  type: MusicAlbum
  date published: 1975-01-01
popularity: 1
genre: classical
genre: opera
isrc code: NLA507401320
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:54:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc84181f6b42ba49da51436eed60b5b5a219d6ce2bbefa60e171c5e47d2a9aeb9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA507401320
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc84181f6b42ba49da51436eed60b5b5a219d6ce2bbefa60e171c5e47d2a9aeb9. 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/NLA507401320.
  date published: 2026-07-08T03:20:19Z
audio: I Masnadieri / Act 1: "Lo sguardo avea degli angeli"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.814
  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: 0.284
  additional property: Energy
    type: PropertyValue
    value: 0.014
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.071
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.461
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Handel: Messiah, HWV 56, Pt. 2, Scene 7: Chorus. "Hallelujah"
type: MusicRecording
duration: PT4M2S
duration ms: 242240
explicit: false
by artist: George Frideric Handel
by artist: Sir Charles Mackerras
by artist: English Chamber Orchestra
by artist: Ambrosian Singers
by artist: Elizabeth Harwood
by artist: Janet Baker
by artist: Robert Tear
by artist: Raimund Herincx
in album: 50 Best Classics
  type: MusicAlbum
  date published: 2010-02-26
popularity: 23
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: GBAYC9703282
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:35:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc8832602c32f968b83eca5f0a4493b675ab8d7b56b3fa174c47e6f9f3872616
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9703282
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
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 0xcc8832602c32f968b83eca5f0a4493b675ab8d7b56b3fa174c47e6f9f3872616. 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/GBAYC9703282.
  date published: 2026-06-13T15:41:10Z
audio: Handel: Messiah, HWV 56, Pt. 2, Scene 7: Chorus. "Hallelujah"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.098
  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: 0.411
  additional property: Energy
    type: PropertyValue
    value: 0.389
  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
    type: PropertyValue
    value: 0.915
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.146
  additional property: Liveness
    type: PropertyValue
    value: 0.271
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.492
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.475
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Hallelujah
type: MusicRecording
duration: PT4M3S
duration ms: 243733
explicit: false
by artist: George Frideric Handel
by artist: Sir Charles Mackerras
by artist: English Chamber Orchestra
by artist: Ambrosian Singers
in album: Klassik 100 Meisterwerke: Klassik die man gehört haben muss
  type: MusicAlbum
  date published: 2021-09-25
popularity: 6
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: GBAYC9703282
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:35:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc8832602c32f968b83eca5f0a4493b675ab8d7b56b3fa174c47e6f9f3872616
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9703282
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
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 0xcc8832602c32f968b83eca5f0a4493b675ab8d7b56b3fa174c47e6f9f3872616. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBAYC9703282.
  date published: 2026-07-02T11:34:59Z
audio: Hallelujah
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.164
  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: 0.407
  additional property: Energy
    type: PropertyValue
    value: 0.382
  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
    type: PropertyValue
    value: 0.92
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.409
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.526
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.134
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major