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type: MusicGroup
genre: requiem
popularity: 2
followers: 28
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin 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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8a132d0c4d991872ef80844a889a21e45d387b8cd9d9ca96b4143d849035834. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cf523b31-4af6-4e7a-9a11-f10922ee0d19.json and https://artists.proofprofile.net/proofs/artist/cf523b31-4af6-4e7a-9a11-f10922ee0d19.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-21T02:46:24Z
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album: Fritz Wunderlich: Greatest Tracks
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  date published: 2023-08-26
  track: Die Zauberflöte, K. 620 / Erster Aufzug: "Wie stark ist nicht dein Zauberton"
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    by artist: Wolfgang Amadeus Mozart
    by artist: Fritz Wunderlich
    by artist: Dietrich Fischer-Dieskau
    by artist: Berliner Philharmoniker
    by artist: Karl Böhm
    in album: Fritz Wunderlich: Greatest Tracks
      type: MusicAlbum
      date published: 2023-08-26
    popularity: 0
    genre: classical
    genre: classical-era
    genre: classical-piano
    genre: opera
    genre: chamber-music
    genre: concerto
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      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430627
    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 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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb969255366c496beb020d848d8b1d9015222289b50588ab4e6fed58e252bceb. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430627 — a six-check JSON result.
      date published: 2026-07-08T03:20:19Z
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  track: Ein Lied geht um die Welt
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    by artist: Heinz Schreiter
    by artist: Fritz Wunderlich
    by artist: Kurt Graunke Symphony Orchestra
    by artist: Hans Carste
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      type: MusicAlbum
      date published: 2023-08-26
    popularity: 2
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    additional property: CopyrightID
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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 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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51033449a251d60fb08f74c26c1b2e6ec81021347ba8059d2fcbdaad663fcedc. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF066506640 — a six-check JSON result.
      date published: 2026-07-08T03:20:19Z
    audio: Ein Lied geht um die Welt
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      additional property: Tempo (BPM)
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album: Verdi: La traviata - Highlights (Sung in German)
album: The Legacy Of Charles Munch
album: Fritz Wunderlich - Und es blitzten die Sterne
album: Peter Schreier: Essentials
album: Fritz Wunderlich: Musical Pearls
album: Kienzl: Der Evangelimann, Op.45 (Highlights)
album: Fritz Wunderlich - The 50 Greatest Tracks
album: Fritz Wunderlich sings
album: The Magic of Fritz Wunderlich
album: Pfitzner: Von deutscher Seele / Schoeck: Lebendig begraben
album: Lortzing: Zar und Zimmermann - Highlights
album: Portrait einer unsterblichen Stimme
album: Busoni: Doktor Faust
album: Lehár: Die lustige Witwe, Schön ist die Welt
album: Grosse Stimmen - Fritz Wunderlich
album: Haydn: Die Schöpfung (Highlights)
album: 3 x Ja
album: Mendelssohn: A Midsummer Night's Dream, The Hebrides
album: Instant Music Club (Live)
album: Berlioz: Requiem, Op.5 (Grande Messe des Morts)
album: Berlioz: Requiem Op.5 "Messe Des Morts"; Harold En Italie, Op.16
album: Wunderlich: Opernarien & Duette
album: Overtime

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Valence (Positivity)
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Loudness (dB)
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Verdi: La traviata - Highlights (Sung in German)
type: MusicAlbum
date published: 1963-07-01

The Legacy Of Charles Munch
type: MusicAlbum
date published: 2020-04-20

Fritz Wunderlich - Und es blitzten die Sterne
type: MusicAlbum
date published: 1995-01-01
track: Tosca / Act 3: "Und es blitzten die Sterne"
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  duration: PT2M43S
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  by artist: Giacomo Puccini
  by artist: Fritz Wunderlich
  by artist: Orchestra of the Südwestfunk
  by artist: Emmerich Smola
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    type: MusicAlbum
    date published: 1995-01-01
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056102720
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1db0dddd09c32325a54ffa4cec4860099c6111cd52117da91efd7286e93d822a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056102720 — a six-check JSON result.
    date published: 2026-07-31T19:53:13Z
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    additional property: Tempo (BPM)
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Peter Schreier: Essentials
type: MusicAlbum
date published: 2020-02-14

Fritz Wunderlich: Musical Pearls
type: MusicAlbum
date published: 2005-01-01
track: Die Zauberflöte, K. 620 / Erster Aufzug: "Zum Ziele führt dich diese Bahn"
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  duration: PT10M24S
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  by artist: Wolfgang Amadeus Mozart
  by artist: Rosl Schwaiger
  by artist: Antonia Fahberg
  by artist: Raili Kostia
  by artist: Fritz Wunderlich
  by artist: Hubert Hilten
  by artist: Martin Vantin
  by artist: Manfred Röhrl
  by artist: Hans Hotter
  by artist: Berliner Philharmoniker
  by artist: Karl Böhm
  by artist: RIAS Kammerchor
  by artist: Günther Arndt
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    type: MusicAlbum
    date published: 2005-01-01
  popularity: 7
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
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  additional property: CopyrightStatus
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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 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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bd2f6261685e41ef38bdbabdf8eeae0cdbf21ef5d3845d480e0b649a720793a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430626 — a six-check JSON result.
    date published: 2026-07-29T19:35:34Z
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track: Die Zauberflöte, K. 620 / Erster Aufzug: "Wie stark ist nicht dein Zauberton"
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  genre: classical
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  genre: chamber-music
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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/DEF056430627
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb969255366c496beb020d848d8b1d9015222289b50588ab4e6fed58e252bceb. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056430627 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
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Kienzl: Der Evangelimann, Op.45 (Highlights)
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Fritz Wunderlich - The 50 Greatest Tracks
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    date published: 2026-07-31T08:26:41Z
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track: La Donna È Mobile
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Fritz Wunderlich - The 50 Greatest Tracks
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date published: 2026-07-30T05:15:54Z

La Donna È Mobile
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Fritz Wunderlich sings
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The Magic of Fritz Wunderlich
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Pfitzner: Von deutscher Seele / Schoeck: Lebendig begraben
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Lortzing: Zar und Zimmermann - Highlights
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    date published: 2026-07-02T03:55:08Z
  audio: Zar und Zimmermann, LoWV 38: Ballett (Holzschuhtanz)
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Portrait einer unsterblichen Stimme
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date published: 2005-01-01

Busoni: Doktor Faust
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date published: 1970-01-01

Lehár: Die lustige Witwe, Schön ist die Welt
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date published: 2013-08-23

Grosse Stimmen - Fritz Wunderlich
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date published: 1990-01-01
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  by artist: Heinz Schreiter
  by artist: Fritz Wunderlich
  by artist: Kurt Graunke Symphony Orchestra
  by artist: Hans Carste
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    date published: 1990-01-01
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  additional property: OTSVerifyInstructions
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  audio: Ein Lied geht um die Welt
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Haydn: Die Schöpfung (Highlights)
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date published: 1966-01-01

3 x Ja
type: MusicAlbum
date published: 2014-12-05

Mendelssohn: A Midsummer Night's Dream, The Hebrides
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date published: 2000-01-01

Instant Music Club (Live)
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date published: 2022-12-20

Berlioz: Requiem, Op.5 (Grande Messe des Morts)
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Berlioz: Requiem Op.5 "Messe Des Morts"; Harold En Italie, Op.16
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Wunderlich: Opernarien & Duette
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date published: 2003-01-01

Overtime
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date published: 2021-09-03