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description: thumb|250px|Robert Holl (right) and pianist Andrej Hoteev after a concert in Rotterdam 1990 Robert Holl (born 10 March 1947) is a Dutch bass-baritone classical singer. Life and career Holl was born
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track: Beethoven: Symphony No. 9 in D Minor, Op. 125 "Choral": IV. Presto - "O Freunde, nicht diese Töne!" (Ode to Joy)
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track: Wagner: Der fliegende Holländer (The Flying Dutchman), Act 2: "Mögst du, mein Kind" (Daland)

Symphony No. 9 in D minor, Op. 125 - "Choral" - 4.: Allegro assai -
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Symphony No. 9 in D minor, Op. 125 - "Choral" - 4.: Allegro ma non tanto
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Wagner: Der fliegende Holländer (The Flying Dutchman), Act 1: "Hojohe" (Daland, Steersman, Chorus)
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Wagner: Der fliegende Holländer (The Flying Dutchman), Act 1: "He! Holla! Steuermann!" (Daland, Steersman, Dutchman)
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additional property: OTSVerifyInstructions
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Wagner: Der fliegende Holländer (The Flying Dutchman), Act 2: "Mögst du, mein Kind" (Daland)
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by artist: Daniel Barenboim
by artist: Robert Holl
by artist: Staatskapelle Berlin
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genre: opera
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  date published: 2026-07-31T19:53:13Z
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Dichterliebe - Ausgewählte Lieder
type: MusicAlbum
date published: 2006-10-03

Sonder - Edition Robert Holl (Vol.3)
type: MusicAlbum
date published: 2006-09-29

Ausgewählte Lieder
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Winterreise
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date published: 2006-09-25

Sonder - Edition Robert Holl (Vol.1)
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date published: 2006-09-25

Sonder - Edition - Robert Holl (Vol.6)
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date published: 2006-09-25

Schwanengesang
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Ausgewählte Lieder nach Gedichten von Johann Mayrhofer
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Abendröte - Gesänge des Harfner
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Liederabend Robert Holl
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Hugo Wolf - Ausgewählte Lieder
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Ein Liederabend
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Sonder - Edition Robert Holl (Winterreise - Franz Schzubert)
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date published: 2006-09-16

Sonder - Edition Robert Holl (Vol.8)
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Schumann: Lieder
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Beethoven: The Symphonies
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T11:38:34Z
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track: Symphony No. 2 in D, Op. 36: 1. Adagio molto - Allegro con brio
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    date published: 2026-07-08T03:20:19Z
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track: Symphony No. 7 in A, Op. 92: 1. Poco sostenuto - Vivace
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  genre: classical
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  subject of: OpenTimestamps Proof of Existence
  audio: Symphony No. 7 in A, Op. 92: 1. Poco sostenuto - Vivace
track: Symphony No. 1 in C, Op. 21: 4. Finale (Adagio - Allegro molto e vivace)
track: Symphony No. 7 in A, Op. 92: 3. Presto - Assai meno presto
track: Symphony No. 3 in E flat, Op. 55 -"Eroica": 1. Allegro con brio
track: Symphony No. 4 in B flat, Op. 60: 1. Adagio - Allegro vivace
track: Symphony No. 6 in F, Op. 68 -"Pastoral": 1. Erwachen heiterer Empfindungen bei der Ankunft auf dem Lande: Allegro ma non troppo
track: Symphony No. 3 in E flat, Op. 55 -"Eroica": 2. Marcia funebre (Adagio assai)
track: Symphony No. 4 in B flat, Op. 60: 2. Adagio
track: Symphony No. 8 in F, Op. 93: 2. Allegretto scherzando
track: Symphony No. 8 in F, Op. 93: 3. Tempo di menuetto
track: Symphony No. 6 in F, Op. 68 -"Pastoral": 5. Hirtengesang. Frohe und dankbare Gefühle nach dem Sturm: Allegretto
track: Symphony No. 9 in D minor, Op. 125 - "Choral" - 4.: Allegro assai -
track: Symphony No. 9 in D minor, Op. 125 - "Choral" - 4.: Allegro ma non tanto

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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

Symphony No. 7 in A, Op. 92: 1. Poco sostenuto - Vivace
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 7 in A, Op. 92: 3. Presto - Assai meno presto
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Symphony No. 3 in E flat, Op. 55 -"Eroica": 1. Allegro con brio
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duration: PT14M54S
duration ms: 894000
explicit: false
by artist: Ludwig van Beethoven
by artist: Royal Concertgebouw Orchestra
by artist: Bernard Haitink
in album: Beethoven: The Symphonies
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  date published: 1994-01-01
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e08062b81a34f4139cb227fa102b6135b075c745eb82dffac5c0e0bd3a43bb4. 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/NLA508602701.
  date published: 2026-07-02T05:09:12Z
audio: Symphony No. 3 in E flat, Op. 55 -"Eroica": 1. Allegro con brio
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Symphony No. 4 in B flat, Op. 60: 1. Adagio - Allegro vivace
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duration: PT11M56S
duration ms: 716000
explicit: false
by artist: Ludwig van Beethoven
by artist: Royal Concertgebouw Orchestra
by artist: Bernard Haitink
in album: Beethoven: The Symphonies
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa58b87baa4da5e26755eed9071ff827c169bd276329f5f2951ba577f34098900. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/NLA508603201.
  date published: 2026-07-08T03:53:27Z
audio: Symphony No. 4 in B flat, Op. 60: 1. Adagio - Allegro vivace
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Symphony No. 6 in F, Op. 68 -"Pastoral": 1. Erwachen heiterer Empfindungen bei der Ankunft auf dem Lande: Allegro ma non troppo
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duration: PT12M3S
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explicit: false
by artist: Ludwig van Beethoven
by artist: Royal Concertgebouw Orchestra
by artist: Bernard Haitink
in album: Beethoven: The Symphonies
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd471b727e993eb024d240132a6085fc17fba00237fbc7623de8ba8a114dedce1. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508601001.
  date published: 2026-07-02T11:38:34Z
audio: Symphony No. 6 in F, Op. 68 -"Pastoral": 1. Erwachen heiterer Empfindungen bei der Ankunft auf dem Lande: Allegro ma non troppo
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Symphony No. 3 in E flat, Op. 55 -"Eroica": 2. Marcia funebre (Adagio assai)
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duration: PT16M10S
duration ms: 970000
explicit: false
by artist: Ludwig van Beethoven
by artist: Royal Concertgebouw Orchestra
by artist: Bernard Haitink
in album: Beethoven: The Symphonies
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Symphony No. 3 in E flat, Op. 55 -"Eroica": 2. Marcia funebre (Adagio assai)
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Symphony No. 4 in B flat, Op. 60: 2. Adagio
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duration: PT9M7S
duration ms: 547000
explicit: false
by artist: Ludwig van Beethoven
by artist: Royal Concertgebouw Orchestra
by artist: Bernard Haitink
in album: Beethoven: The Symphonies
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39fb6c6a60801c4fd364c08f070b3d6342ae20dba9e41fa40c6010388ce0be47. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/NLA508603202.
  date published: 2026-07-08T03:53:27Z
audio: Symphony No. 4 in B flat, Op. 60: 2. Adagio
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Symphony No. 8 in F, Op. 93: 2. Allegretto scherzando
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duration: PT3M54S
duration ms: 234000
explicit: false
by artist: Ludwig van Beethoven
by artist: Royal Concertgebouw Orchestra
by artist: Bernard Haitink
in album: Beethoven: The Symphonies
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: NLA508603206
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ea2c282182a298fd56cdc98c50a37bb650ba25e5798bf327cadc1ced6bed1cd. 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/NLA508603206.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 8 in F, Op. 93: 2. Allegretto scherzando
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  additional property: Tempo (BPM)
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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: Valence (Positivity)
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Symphony No. 8 in F, Op. 93: 3. Tempo di menuetto
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duration: PT4M47S
duration ms: 287000
explicit: false
by artist: Ludwig van Beethoven
by artist: Royal Concertgebouw Orchestra
by artist: Bernard Haitink
in album: Beethoven: The Symphonies
  type: MusicAlbum
  date published: 1994-01-01
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: NLA508603207
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:53:06Z
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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