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type: MusicGroup
genre: classical
popularity: 32
followers: 573
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: OTSTimestamp
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additional property: OTSCanonicalRecord
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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 0x8d8524da2bd5d2d5f18a880f597fc63e8fd0a7327748a76891a4d483096a76a2. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5795773c-48ac-4998-8e6b-d213ec678d50.json and https://artists.proofprofile.net/proofs/artist/5795773c-48ac-4998-8e6b-d213ec678d50.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
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album: Mozart: Flute & Harp Concerto / Reinecke: Harp Concerto / Rodrigo: Concerto-Serenade
  type: MusicAlbum
  date published: 2001-01-01
album: Mozart: Flute & Harp Concerto / Reinecke: Harp Concerto / Rodrigo: Concerto-Serenade
  type: MusicAlbum
  date published: 2001-01-01
album: Debussy: La Mer; Prélude à L'après-midi d'un faune / Ravel: Daphnis & Chloé Suite No.2; Boléro
  type: MusicAlbum
  date published: 2007-01-01
track: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro] - Recorded 1964
  type: MusicRecording
  duration: PT5M26S
  duration ms: 326000
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Adolf Scherbaum
  by artist: Karlheinz Zoeller
  by artist: Lothar Koch
  by artist: Michel Schwalbé
  by artist: Berliner Philharmoniker
  by artist: Herbert von Karajan
  in album: Karajan A-Z: Adam - Bartók
    type: MusicAlbum
    date published: 2024-09-27
  popularity: 11
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
  isrc code: DEF056400081
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056400081
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  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 0x89eec4f70664ba8f6c6125a54ed6c3b411817216fb2d29b12dc5f26a67084cb6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEF056400081 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
  audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro] - Recorded 1964
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    additional property: Tempo (BPM)
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track: Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante - Recorded 1964
  type: MusicRecording
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  by artist: Johann Sebastian Bach
  by artist: Adolf Scherbaum
  by artist: Karlheinz Zoeller
  by artist: Lothar Koch
  by artist: Michel Schwalbé
  by artist: Berliner Philharmoniker
  by artist: Herbert von Karajan
  in album: Karajan A-Z: Adam - Bartók
    type: MusicAlbum
    date published: 2024-09-27
  popularity: 9
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  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 0xd387cd8afcc1a22b67f0383f1a4d77bd4d02a5b6d024e7942bde455013ac9a8d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEF056400082 — a six-check JSON result.
    date published: 2026-07-02T03:55:08Z
  audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante - Recorded 1964
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    additional property: Tempo (BPM)
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    additional property: Liveness
    additional property: Valence (Positivity)
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track: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro]
track: Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai - Recorded 1964
track: Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro - Recorded 1964
track: Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante - Recorded 1964
track: Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro - Recorded 1964
track: Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
track: Orfeo ed Euridice, Wq. 30, Act II: Dance of the Blessed Spirits. Andante - Melody - Da capo
track: Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto - Recorded 1964
track: Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affetuoso - Recorded 1964
track: Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
track: Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
track: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro - Recorded 1964
track: Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affetuoso
track: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro

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value: 113.513

Musical Key
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Mode (Major/Minor)
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Time Signature
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Danceability
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Energy
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Speechiness
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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value: Bb

Mode Name
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value: Major

Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro]
type: MusicRecording
duration: PT5M26S
duration ms: 326000
explicit: false
by artist: Johann Sebastian Bach
by artist: Adolf Scherbaum
by artist: Karlheinz Zoeller
by artist: Lothar Koch
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Bach, J.S.: Brandenburg Concertos Nos.1-3; Overture No.3
  type: MusicAlbum
  date published: 1965-01-01
popularity: 8
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056400081
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x89eec4f70664ba8f6c6125a54ed6c3b411817216fb2d29b12dc5f26a67084cb6
additional property: OTSHash
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/DEF056400081
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0x89eec4f70664ba8f6c6125a54ed6c3b411817216fb2d29b12dc5f26a67084cb6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEF056400081 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro]
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  additional property: Danceability
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  additional property: Liveness
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Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai - Recorded 1964
type: MusicRecording
duration: PT2M53S
duration ms: 173000
explicit: false
by artist: Johann Sebastian Bach
by artist: Adolf Scherbaum
by artist: Karlheinz Zoeller
by artist: Lothar Koch
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 8
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056400083
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: OTSBitcoinBlock
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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 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
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  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai - Recorded 1964
  type: AudioObject
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  additional property: Valence (Positivity)
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Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro - Recorded 1964
type: MusicRecording
duration: PT8M8S
duration ms: 488000
explicit: false
by artist: Johann Sebastian Bach
by artist: Michel Schwalbé
by artist: Karlheinz Zoeller
by artist: Matthias Rütters
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
  type: MusicAlbum
  date published: 2024-09-27
popularity: 8
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056400051
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-06-25T17:24:32+00:00
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: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff2aa8f65d559d3e583eb43b58b2cc46b9bda942d818a7a64b8317ff78c6774f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEF056400051 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro - Recorded 1964
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Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante - Recorded 1964
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duration ms: 242000
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by artist: Johann Sebastian Bach
by artist: Michel Schwalbé
by artist: Karlheinz Zoeller
by artist: Matthias Rütters
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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popularity: 8
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genre: early-music
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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
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Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro - Recorded 1964
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by artist: Karlheinz Zoeller
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by artist: Edith Picht-Axenfeld
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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popularity: 8
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
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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. 5 in D Major, BWV 1050: I. Allegro - Recorded 1964
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Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
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duration: PT2M53S
duration ms: 173000
explicit: false
by artist: Johann Sebastian Bach
by artist: Adolf Scherbaum
by artist: Karlheinz Zoeller
by artist: Lothar Koch
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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popularity: 7
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
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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. 2 in F Major, BWV 1047: III. Allegro assai
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Orfeo ed Euridice, Wq. 30, Act II: Dance of the Blessed Spirits. Andante - Melody - Da capo
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genre: classical
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
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Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto - Recorded 1964
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by artist: Michel Schwalbé
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by artist: Matthias Rütters
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
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Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affetuoso - Recorded 1964
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by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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popularity: 7
genre: classical
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additional property: OTSTimestamp
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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
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Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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duration: PT4M11S
duration ms: 251000
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by artist: Johann Sebastian Bach
by artist: Adolf Scherbaum
by artist: Karlheinz Zoeller
by artist: Lothar Koch
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
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popularity: 6
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genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
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duration: PT10M53S
duration ms: 653106
explicit: false
by artist: Johann Sebastian Bach
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
by artist: Karlheinz Zoeller
by artist: Thomas Brandis
by artist: William Tim Read
in album: Vivaldi: The Four Seasons; L'estro armonico / Bach: Brandenburg Concertos Nos.3 & 5; Suite No.3
  type: MusicAlbum
  date published: 2003-01-01
popularity: 6
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF057803361
additional property: CopyrightID
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T17:23:26Z
audio: Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
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Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro - Recorded 1964
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duration: PT5M42S
duration ms: 342000
explicit: false
by artist: Johann Sebastian Bach
by artist: Karlheinz Zoeller
by artist: Michel Schwalbé
by artist: Edith Picht-Axenfeld
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: Karajan A-Z: Adam - Bartók
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popularity: 6
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056400063
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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 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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  date published: 2026-07-07T18:39:05Z
audio: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro - Recorded 1964
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Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affetuoso
type: MusicRecording
duration: PT6M13S
duration ms: 373466
explicit: false
by artist: Johann Sebastian Bach
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
by artist: Karlheinz Zoeller
by artist: Thomas Brandis
by artist: William Tim Read
in album: Vivaldi: The Four Seasons; L'estro armonico / Bach: Brandenburg Concertos Nos.3 & 5; Suite No.3
  type: MusicAlbum
  date published: 2003-01-01
popularity: 5
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
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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
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  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 5 in D Major, BWV 1050: II. Affetuoso
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Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
type: MusicRecording
duration: PT5M55S
duration ms: 355973
explicit: false
by artist: Johann Sebastian Bach
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
by artist: Karlheinz Zoeller
by artist: Thomas Brandis
by artist: William Tim Read
in album: Vivaldi: The Four Seasons; L'estro armonico / Bach: Brandenburg Concertos Nos.3 & 5; Suite No.3
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popularity: 4
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF057803363
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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
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Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai - Recorded 1964
type: MusicRecording
duration: PT2M53S
duration ms: 173000
explicit: false
by artist: Johann Sebastian Bach
by artist: Adolf Scherbaum
by artist: Karlheinz Zoeller
by artist: Lothar Koch
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: "Allegro" - Berlin Philharmoniker plays Bach, Beethoven & Mozart
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  date published: 2025-02-18
popularity: 3
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056400083
additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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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
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  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai - Recorded 1964
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Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante - Recorded 1964
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duration ms: 251000
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by artist: Johann Sebastian Bach
by artist: Adolf Scherbaum
by artist: Karlheinz Zoeller
by artist: Lothar Koch
by artist: Michel Schwalbé
by artist: Berliner Philharmoniker
by artist: Herbert von Karajan
in album: "Allegro" - Berlin Philharmoniker plays Bach, Beethoven & Mozart
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  date published: 2025-02-18
popularity: 2
genre: classical
genre: classical-piano
genre: early-music
genre: baroque
genre: chamber-music
genre: concerto
isrc code: DEF056400082
additional property: CopyrightID
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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 0xd387cd8afcc1a22b67f0383f1a4d77bd4d02a5b6d024e7942bde455013ac9a8d. 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/DEF056400082 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante - Recorded 1964
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.513
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.201
  additional property: Energy
    type: PropertyValue
    value: 0.142
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.746
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.083
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.093
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major