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genre: requiem
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additional property: OTSVerifyInstructions
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album: Lieder: Karl Leister
  type: MusicAlbum
  date published: 2004
track: Elijah, Op. 70, MWV A 25 / Part 1: No. 8 "Was hast du an mir getan"
track: Elijah, Op. 70, MWV A 25 / Part 2: No. 21 "Höre Israel"
track: Elijah, Op. 70, MWV A 25 / Part 2: No. 31 "Sei stille dem Herrn"
track: Elijah, Op. 70, MWV A25: Part I: Aber der Herr sieht es nicht (Chorus)
track: Elijah, Op. 70, MWV A25: Part I: Recitative: So wahr der Herr Zebaoth lebet (Baritone, Tenor, Chorus)
track: Elijah, Op. 70, MWV A25: Part I: Recitative: Rufet lauter (Baritone, Chorus)
track: Elijah, Op. 70, MWV A 25 / Part 1: No. 2 "Herr, höre unser Gebet!"
track: Elijah, Op. 70, MWV A 25 / Part 1: No. 6 "Elias! Gehe weg von hinnen"
track: Elijah, Op. 70, MWV A25: Part I: Wohl dem, der den Herrn furchtet (Chorus)
track: Elijah, Op. 70, MWV A 25 / Part 2: No. 40 "Darum ward gesendet der Prophet Elias"
track: Elijah, Op. 70, MWV A25: Part I: Introduction: So wahr der Herr, der Gott Israels, lebet (Baritone)
track: Elijah, Op. 70, MWV A25: Part I: Overture
track: Elijah, Op. 70, MWV A25: Part I: Duet: Herr, hore unser Gebet! (Soprano, Alto, Chorus)
track: Elijah, Op. 70, MWV A25: Part I: Double Quartet: Denn er hat seinen Engeln befohlen uber dir (Chorus)
track: Elijah, Op. 70, MWV A25: Part I: Recitative, Aria and Duet: Was hast du an mir getan, du Mann Gottes! (Soprano, Baritone)
track: Elijah, Op. 70, MWV A25: Part I: Baal, erhore uns! (Chorus)
track: Elijah, Op. 70, MWV A25: Part II: Trio: Hebe deine Augen auf zu den Bergen (Sopranos)
track: 3 Duette, Op. 20: No. 03, Die Meere

Elijah, Op. 70, MWV A 25 / Part 1: No. 8 "Was hast du an mir getan"
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by artist: Felix Mendelssohn
by artist: Letizia Scherrer
by artist: Michael Volle
by artist: Klassische Philharmonie Stuttgart
by artist: Frieder Bernius
in album: Mendelssohn: Elias, Op. 70
  type: MusicAlbum
  date published: 2008-03-01
popularity: 4
genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:20:19Z
audio: Elijah, Op. 70, MWV A 25 / Part 1: No. 8 "Was hast du an mir getan"
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Elijah, Op. 70, MWV A 25 / Part 2: No. 21 "Höre Israel"
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by artist: Frieder Bernius
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  type: MusicAlbum
  date published: 2008-03-01
popularity: 4
genre: classical
genre: early-romantic-era
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additional property: OTSVerifyInstructions
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  date published: 2026-07-07T18:39:05Z
audio: Elijah, Op. 70, MWV A 25 / Part 2: No. 21 "Höre Israel"
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Elijah, Op. 70, MWV A 25 / Part 2: No. 31 "Sei stille dem Herrn"
type: MusicRecording
duration: PT2M30S
duration ms: 150640
explicit: false
by artist: Felix Mendelssohn
by artist: Letizia Scherrer
by artist: Klassische Philharmonie Stuttgart
by artist: Frieder Bernius
in album: Mendelssohn: Elias, Op. 70
  type: MusicAlbum
  date published: 2008-03-01
popularity: 3
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: DEB110800311
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Elijah, Op. 70, MWV A 25 / Part 2: No. 31 "Sei stille dem Herrn"
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Elijah, Op. 70, MWV A25: Part I: Aber der Herr sieht es nicht (Chorus)
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by artist: Felix Mendelssohn
by artist: Michael Volle
by artist: Andrea Rost
by artist: Marjana Lipovsek
by artist: Herbert Lippert
by artist: Letizia Scherrer
by artist: Thomas Cooley
by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Wolfgang Sawallisch
in album: Mendelssohn: Elias
  type: MusicAlbum
  date published: 2011-06-07
popularity: 2
genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T08:56:20Z
audio: Elijah, Op. 70, MWV A25: Part I: Aber der Herr sieht es nicht (Chorus)
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Elijah, Op. 70, MWV A25: Part I: Recitative: So wahr der Herr Zebaoth lebet (Baritone, Tenor, Chorus)
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by artist: Thomas Cooley
by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Wolfgang Sawallisch
in album: Mendelssohn: Elias
  type: MusicAlbum
  date published: 2011-06-07
popularity: 2
genre: classical
genre: early-romantic-era
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  date published: 2026-07-08T03:39:04Z
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Elijah, Op. 70, MWV A25: Part I: Recitative: Rufet lauter (Baritone, Chorus)
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by artist: Michael Volle
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by artist: Marjana Lipovsek
by artist: Herbert Lippert
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by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Wolfgang Sawallisch
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  date published: 2026-07-08T08:56:20Z
audio: Elijah, Op. 70, MWV A25: Part I: Recitative: Rufet lauter (Baritone, Chorus)
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Elijah, Op. 70, MWV A 25 / Part 1: No. 2 "Herr, höre unser Gebet!"
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by artist: Letizia Scherrer
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by artist: Klassische Philharmonie Stuttgart
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by artist: Frieder Bernius
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  date published: 2008-03-01
popularity: 5
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T07:19:23Z
audio: Elijah, Op. 70, MWV A 25 / Part 1: No. 2 "Herr, höre unser Gebet!"
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additional property: OTSVerifyInstructions
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Elijah, Op. 70, MWV A 25 / Part 1: No. 6 "Elias! Gehe weg von hinnen"
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by artist: Frieder Bernius
in album: Mendelssohn: Elias, Op. 70
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  date published: 2008-03-01
popularity: 4
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T09:37:10Z
audio: Elijah, Op. 70, MWV A 25 / Part 1: No. 6 "Elias! Gehe weg von hinnen"
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Elijah, Op. 70, MWV A25: Part I: Wohl dem, der den Herrn furchtet (Chorus)
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explicit: false
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by artist: Michael Volle
by artist: Andrea Rost
by artist: Marjana Lipovsek
by artist: Herbert Lippert
by artist: Letizia Scherrer
by artist: Thomas Cooley
by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Wolfgang Sawallisch
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  date published: 2011-06-07
popularity: 3
genre: classical
genre: early-romantic-era
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
audio: Elijah, Op. 70, MWV A25: Part I: Wohl dem, der den Herrn furchtet (Chorus)
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additional property: OTSVerifyInstructions
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Elijah, Op. 70, MWV A 25 / Part 2: No. 40 "Darum ward gesendet der Prophet Elias"
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duration: PT1M13S
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by artist: Frieder Bernius
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popularity: 2
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
audio: Elijah, Op. 70, MWV A 25 / Part 2: No. 40 "Darum ward gesendet der Prophet Elias"
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Elijah, Op. 70, MWV A25: Part I: Introduction: So wahr der Herr, der Gott Israels, lebet (Baritone)
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by artist: Herbert Lippert
by artist: Letizia Scherrer
by artist: Thomas Cooley
by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Wolfgang Sawallisch
in album: Mendelssohn: Elias
  type: MusicAlbum
  date published: 2011-06-07
popularity: 2
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T09:09:19Z
audio: Elijah, Op. 70, MWV A25: Part I: Introduction: So wahr der Herr, der Gott Israels, lebet (Baritone)
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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

Elijah, Op. 70, MWV A25: Part I: Overture
type: MusicRecording
duration: PT3M29S
duration ms: 209173
explicit: false
by artist: Felix Mendelssohn
by artist: Michael Volle
by artist: Andrea Rost
by artist: Marjana Lipovsek
by artist: Herbert Lippert
by artist: Letizia Scherrer
by artist: Thomas Cooley
by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Wolfgang Sawallisch
in album: Mendelssohn: Elias
  type: MusicAlbum
  date published: 2011-06-07
popularity: 2
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7b41a8d7efb1bf2b50ed3c0ede5f1155c1a44f8e53afce3452705fe4fd94bec. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/DEAD60701902.
  date published: 2026-07-31T18:48:12Z
audio: Elijah, Op. 70, MWV A25: Part I: Overture
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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
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12+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

Elijah, Op. 70, MWV A25: Part I: Duet: Herr, hore unser Gebet! (Soprano, Alto, Chorus)
type: MusicRecording
duration: PT2M12S
duration ms: 132493
explicit: false
by artist: Felix Mendelssohn
by artist: Michael Volle
by artist: Andrea Rost
by artist: Marjana Lipovsek
by artist: Herbert Lippert
by artist: Letizia Scherrer
by artist: Thomas Cooley
by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Wolfgang Sawallisch
in album: Mendelssohn: Elias
  type: MusicAlbum
  date published: 2011-06-07
popularity: 2
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3944f81579d26da7f4a315ee1a7bda2783f8e324aa38b7e9e1e2f6be1607a9a3. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/DEAD60701903.
  date published: 2026-07-31T20:22:46Z
audio: Elijah, Op. 70, MWV A25: Part I: Duet: Herr, hore unser Gebet! (Soprano, Alto, Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
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isrc code: DEAD60701903
additional property: CopyrightID
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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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960459
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:22:46+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

Elijah, Op. 70, MWV A25: Part I: Double Quartet: Denn er hat seinen Engeln befohlen uber dir (Chorus)
type: MusicRecording
duration: PT2M56S
duration ms: 176773
explicit: false
by artist: Felix Mendelssohn
by artist: Michael Volle
by artist: Andrea Rost
by artist: Marjana Lipovsek
by artist: Herbert Lippert
by artist: Letizia Scherrer
by artist: Thomas Cooley
by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Wolfgang Sawallisch
in album: Mendelssohn: Elias
  type: MusicAlbum
  date published: 2011-06-07
popularity: 2
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2430451102e366bcccc806da7f9aa627f0a957a3b555e8f3250e1ef6400da872. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DEAD60701908.
  date published: 2026-07-31T02:19:15Z
audio: Elijah, Op. 70, MWV A25: Part I: Double Quartet: Denn er hat seinen Engeln befohlen uber dir (Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.397
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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isrc code: DEAD60701908
additional property: CopyrightID
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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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Elijah, Op. 70, MWV A25: Part I: Recitative, Aria and Duet: Was hast du an mir getan, du Mann Gottes! (Soprano, Baritone)
type: MusicRecording
duration: PT6M1S
duration ms: 361400
explicit: false
by artist: Felix Mendelssohn
by artist: Michael Volle
by artist: Andrea Rost
by artist: Marjana Lipovsek
by artist: Herbert Lippert
by artist: Letizia Scherrer
by artist: Thomas Cooley
by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Wolfgang Sawallisch
in album: Mendelssohn: Elias
  type: MusicAlbum
  date published: 2011-06-07
popularity: 2
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8be2e8feecd737f8a4495ca7216c072ef2bcf6c802fae1af055f1d6047c1a75c. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/DEAD60701910.
  date published: 2026-07-31T15:20:15Z
audio: Elijah, Op. 70, MWV A25: Part I: Recitative, Aria and Duet: Was hast du an mir getan, du Mann Gottes! (Soprano, Baritone)
  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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isrc code: DEAD60701910
additional property: CopyrightID
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additional property: ContentHash
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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
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Elijah, Op. 70, MWV A25: Part I: Baal, erhore uns! (Chorus)
type: MusicRecording
duration: PT3M15S
duration ms: 195733
explicit: false
by artist: Felix Mendelssohn
by artist: Michael Volle
by artist: Andrea Rost
by artist: Marjana Lipovsek
by artist: Herbert Lippert
by artist: Letizia Scherrer
by artist: Thomas Cooley
by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Wolfgang Sawallisch
in album: Mendelssohn: Elias
  type: MusicAlbum
  date published: 2011-06-07
popularity: 2
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x883a1b0f35c444106d6c0311d5b6daa4e486da053b1cdf86fa2bd5c2db8a3eb6. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/DEAD60701913.
  date published: 2026-07-31T18:48:12Z
audio: Elijah, Op. 70, MWV A25: Part I: Baal, erhore uns! (Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 108.129
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Acousticness
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isrc code: DEAD60701913
additional property: CopyrightID
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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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
  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 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

Elijah, Op. 70, MWV A25: Part II: Trio: Hebe deine Augen auf zu den Bergen (Sopranos)
type: MusicRecording
duration: PT1M41S
duration ms: 101106
explicit: false
by artist: Felix Mendelssohn
by artist: Michael Volle
by artist: Andrea Rost
by artist: Marjana Lipovsek
by artist: Herbert Lippert
by artist: Letizia Scherrer
by artist: Thomas Cooley
by artist: Barbara Fleckenstein
by artist: Bavarian Radio Chorus
by artist: Bavarian Radio Symphony Orchestra
by artist: Wolfgang Sawallisch
in album: Mendelssohn: Elias
  type: MusicAlbum
  date published: 2011-06-07
popularity: 2
genre: classical
genre: early-romantic-era
genre: german-romanticism
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bb15f6e638d103395217ec3e1bc7c566024ed93d5dce0d842d472d7966071e6. 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/DEAD60701930.
  date published: 2026-07-31T19:53:13Z
audio: Elijah, Op. 70, MWV A25: Part II: Trio: Hebe deine Augen auf zu den Bergen (Sopranos)
  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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isrc code: DEAD60701930
additional property: CopyrightID
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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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

3 Duette, Op. 20: No. 03, Die Meere
type: MusicRecording
duration: PT2M51S
duration ms: 171654
explicit: false
by artist: Johannes Brahms
by artist: Letizia Scherrer
by artist: Franziska Gottwald
by artist: Ferenc Bognar
in album: Brahms: Complete Songs & Duets, Vol. 2
  type: MusicAlbum
  date published: 2013-07-21
popularity: 1
genre: classical
genre: german-romanticism
genre: late-romantic-era
subject of: OpenTimestamps Proof of Existence
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  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b8ba48bae04a38fbd082743febccb5c5d61ea54b131a8ad9ee26f770b49f0fb. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/NLY330904850.
  date published: 2026-07-31T17:29:52Z
audio: 3 Duette, Op. 20: No. 03, Die Meere
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -28.125
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: NLY330904850
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
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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