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additional property: CopyrightChainExplorerURL
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additional property: OTSVerifyInstructions
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  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
subject of: OpenTimestamps Proof of Existence
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  by artist: Michel Schwalbé
  by artist: Berliner Philharmoniker
  by artist: Herbert von Karajan
  in album: Karajan A-Z: Adam - Bartók
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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
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    date published: 2026-07-02T03:55:08Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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track: Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro - Recorded 1964
track: Brandenburg Concerto No. 1 in F Major, BWV 1046: I. [Allegro]
track: Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II - Recorded 1964
track: Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
track: Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
track: Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II
track: 3. Geburt und Kindheit

3. Geburt und Kindheit
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by artist: Will Quadflieg
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by artist: Carl Gorvin
by artist: Karl Steins
by artist: Karl Leister
by artist: Gerd Seifert
by artist: Günter Piesk
by artist: Berliner Philharmoniker
by artist: Karl Böhm
in album: Wir entdecken Komponisten: Wolfgang Amadeus Mozart – Das Wunderkind
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T11:35:32Z
audio: 3. Geburt und Kindheit
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Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro - Recorded 1964
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by artist: Alan Civil
by artist: Shirley Hopkins
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by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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popularity: 11
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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: Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro - Recorded 1964
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Brandenburg Concerto No. 1 in F Major, BWV 1046: I. [Allegro]
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by artist: Alan Civil
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by artist: Michel Schwalbé
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: I. [Allegro]
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Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II - Recorded 1964
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by artist: Shirley Hopkins
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by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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popularity: 10
genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II - Recorded 1964
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Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
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by artist: Johann Sebastian Bach
by artist: Alan Civil
by artist: Shirley Hopkins
by artist: Karl Steins
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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popularity: 8
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
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Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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by artist: Johann Sebastian Bach
by artist: Alan Civil
by artist: Shirley Hopkins
by artist: Karl Steins
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II
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by artist: Johann Sebastian Bach
by artist: Alan Civil
by artist: Shirley Hopkins
by artist: Karl Steins
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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popularity: 7
genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II
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Brandenburg Concerto No. 1 in F Major, BWV 1046: I. [Allegro]
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by artist: Berliner Philharmoniker
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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: Brandenburg Concerto No. 1 in F Major, BWV 1046: I. [Allegro]
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Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
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Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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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
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II
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in album: Bach, J.S.: The Brandenburg Concertos; Suites Nos.2 & 3
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  date published: 1965-01-01
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genre: classical-piano
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  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto – Trio I – Polacca – Trio II
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