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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 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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  by artist: Sir Neville Marriner
  by artist: Academy of St. Martin in the Fields
  by artist: Jack Liebeck
  by artist: Juliette Bausor
  by artist: Louisa Tuck
  by artist: Sally Wei
  by artist: Stephen Fry
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T06:57:05Z
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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: 2026-07-08T03:20:19Z
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track: Wiseman: One Last Song
track: Wiseman: The Selfish Giant (After Oscar Wilde's Fairy Tale)
track: Don Quixote, Op. 35, TrV 184: Introduction
track: Don Quixote, Op. 35, TrV 184: Theme
track: Don Quixote, Op. 35, TrV 184: Maggiore
track: Don Quixote, Op. 35, TrV 184: Variation I. Das Abenteuer mit den Windmühlen
track: Don Quixote, Op. 35, TrV 184: Variation II. Der Kampf gegen die Hammelherde
track: Don Quixote, Op. 35, TrV 184: Variation III. Gespräche zwischen Ritter und Knappe
track: Don Quixote, Op. 35, TrV 184: Variation IV. Das Abenteuer mit der Prozession von Büßern
track: Don Quixote, Op. 35, TrV 184: Variation V. Don Quixotes Wacht in der Sommernacht
track: Don Quixote, Op. 35, TrV 184: Variation VI. Die verzauberte Dulzinea
track: Don Quixote, Op. 35, TrV 184: Variation VII. Der Ritt durch die Luft
track: Don Quixote, Op. 35, TrV 184: VIII. Die Fahrt auf dem verzauberten Nachen [Barcarolle]
track: Don Quixote, Op. 35, TrV 184: Variation IX. Der Kampf gegen die vermeintlichen Zauberer: der Angriff auf die Mönche
track: Don Quixote, Op. 35, TrV 184: Variation X. Zweikampf mit dem Ritter vom blanken Monde: Heimkehr des geschlagenen Don Quixote
track: Don Quixote, Op. 35, TrV 184: Finale: Don Quixotes Tod

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Wiseman: One Last Song
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by artist: Debbie Wiseman
by artist: Sir Neville Marriner
by artist: Academy of St. Martin in the Fields
by artist: Jack Liebeck
by artist: Juliette Bausor
by artist: Louisa Tuck
by artist: Sally Wei
in album: Wiseman : Oscar Wilde Fairy Tales
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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: 2026-07-29T19:35:34Z
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Wiseman: The Selfish Giant (After Oscar Wilde's Fairy Tale)
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by artist: Academy of St. Martin in the Fields
by artist: Jack Liebeck
by artist: Juliette Bausor
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by artist: Sally Wei
by artist: Vanessa Redgrave
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T21:09:47Z
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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: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOEHX1915020
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5b8a4e8a16d2802d6881bbd1a21e9bb63a64530281ce87dc09cd10b68c04712. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NOEHX1915020 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Don Quixote, Op. 35, TrV 184: Theme
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  additional property: Valence (Positivity)
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Don Quixote, Op. 35, TrV 184: Maggiore
type: MusicRecording
duration: PT1M8S
duration ms: 68920
explicit: false
by artist: Richard Strauss
by artist: Oslo Philharmonic Orchestra
by artist: Vasily Petrenko
by artist: Louisa Tuck
by artist: Catherine Bullock
in album: Richard Strauss: Don Quixote, Op. 35 / Don Juan, Op. 20 / Till Eulenspiegels lustige Streiche, Op. 28
  type: MusicAlbum
  date published: 2019-09-13
genre: classical
genre: opera
genre: orchestra
isrc code: NOEHX1915030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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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
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOEHX1915030
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33Z
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 0x2bb9b2b2b604bff5aa066940b01b830176d3edf20a110a9ba5952d70d7b4c1cc. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/NOEHX1915030 — a six-check JSON result.
  date published: 2026-07-30T09:57:33Z
audio: Don Quixote, Op. 35, TrV 184: Maggiore
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  additional property: Danceability
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Don Quixote, Op. 35, TrV 184: Variation I. Das Abenteuer mit den Windmühlen
type: MusicRecording
duration: PT2M38S
duration ms: 158826
explicit: false
by artist: Richard Strauss
by artist: Oslo Philharmonic Orchestra
by artist: Vasily Petrenko
by artist: Louisa Tuck
by artist: Catherine Bullock
in album: Richard Strauss: Don Quixote, Op. 35 / Don Juan, Op. 20 / Till Eulenspiegels lustige Streiche, Op. 28
  type: MusicAlbum
  date published: 2019-09-13
genre: classical
genre: opera
genre: orchestra
isrc code: NOEHX1915040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T09:51:43+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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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOEHX1915040
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdbc5036af9a7b2f9ba06e0ece8a6df8cc468e0db022471edec86de2ebae754a7. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), 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/NOEHX1915040 — a six-check JSON result.
  date published: 2026-07-30T09:58:01Z
audio: Don Quixote, Op. 35, TrV 184: Variation I. Das Abenteuer mit den Windmühlen
  type: AudioObject
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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: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -31.77
  additional property: Key Name
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  additional property: Mode Name
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Don Quixote, Op. 35, TrV 184: Variation II. Der Kampf gegen die Hammelherde
type: MusicRecording
duration: PT1M44S
duration ms: 104040
explicit: false
by artist: Richard Strauss
by artist: Oslo Philharmonic Orchestra
by artist: Vasily Petrenko
by artist: Louisa Tuck
by artist: Catherine Bullock
in album: Richard Strauss: Don Quixote, Op. 35 / Don Juan, Op. 20 / Till Eulenspiegels lustige Streiche, Op. 28
  type: MusicAlbum
  date published: 2019-09-13
genre: classical
genre: opera
genre: orchestra
isrc code: NOEHX1915050
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
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOEHX1915050
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 0xf260a1c4924e143af8b601d139e18f0714725cddf6449129b7e6e1f3147ce620. 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/NOEHX1915050 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Don Quixote, Op. 35, TrV 184: Variation II. Der Kampf gegen die Hammelherde
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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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: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.267
  additional property: Key Name
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  additional property: Mode Name
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Don Quixote, Op. 35, TrV 184: Variation III. Gespräche zwischen Ritter und Knappe
type: MusicRecording
duration: PT8M7S
duration ms: 487426
explicit: false
by artist: Richard Strauss
by artist: Oslo Philharmonic Orchestra
by artist: Vasily Petrenko
by artist: Louisa Tuck
by artist: Catherine Bullock
in album: Richard Strauss: Don Quixote, Op. 35 / Don Juan, Op. 20 / Till Eulenspiegels lustige Streiche, Op. 28
  type: MusicAlbum
  date published: 2019-09-13
genre: classical
genre: opera
genre: orchestra
isrc code: NOEHX1915060
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
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960150
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOEHX1915060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:51:49Z
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 0xe7988f1aa08e084d0c1c969d58ee6ee599fe9cad893febf7c7f0c70173aa3f1a. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/NOEHX1915060 — a six-check JSON result.
  date published: 2026-07-29T21:51:49Z
audio: Don Quixote, Op. 35, TrV 184: Variation III. Gespräche zwischen Ritter und Knappe
  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: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Don Quixote, Op. 35, TrV 184: Variation IV. Das Abenteuer mit der Prozession von Büßern
type: MusicRecording
duration: PT1M48S
duration ms: 108706
explicit: false
by artist: Richard Strauss
by artist: Oslo Philharmonic Orchestra
by artist: Vasily Petrenko
by artist: Louisa Tuck
by artist: Catherine Bullock
in album: Richard Strauss: Don Quixote, Op. 35 / Don Juan, Op. 20 / Till Eulenspiegels lustige Streiche, Op. 28
  type: MusicAlbum
  date published: 2019-09-13
genre: classical
genre: opera
genre: orchestra
isrc code: NOEHX1915070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T15:16:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2ba10315da5d587dae5a395bfe272b225ca5dc9aa2afa7f01a2354fba39a00a0
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960273
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOEHX1915070
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ba10315da5d587dae5a395bfe272b225ca5dc9aa2afa7f01a2354fba39a00a0. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/NOEHX1915070 — a six-check JSON result.
  date published: 2026-07-30T15:42:38Z
audio: Don Quixote, Op. 35, TrV 184: Variation IV. Das Abenteuer mit der Prozession von Büßern
  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: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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Don Quixote, Op. 35, TrV 184: Variation V. Don Quixotes Wacht in der Sommernacht
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duration: PT3M51S
duration ms: 231106
explicit: false
by artist: Richard Strauss
by artist: Oslo Philharmonic Orchestra
by artist: Vasily Petrenko
by artist: Louisa Tuck
by artist: Catherine Bullock
in album: Richard Strauss: Don Quixote, Op. 35 / Don Juan, Op. 20 / Till Eulenspiegels lustige Streiche, Op. 28
  type: MusicAlbum
  date published: 2019-09-13
genre: classical
genre: opera
genre: orchestra
isrc code: NOEHX1915080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:06:00+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x1eea9bb9da66553de9626b204a96104999bc6d9796ab054c00f12a95dff7fc6b
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOEHX1915080
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
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  date published: 2026-07-08T03:20:19Z
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Don Quixote, Op. 35, TrV 184: Variation VI. Die verzauberte Dulzinea
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by artist: Oslo Philharmonic Orchestra
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in album: Richard Strauss: Don Quixote, Op. 35 / Don Juan, Op. 20 / Till Eulenspiegels lustige Streiche, Op. 28
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
audio: Don Quixote, Op. 35, TrV 184: Variation VI. Die verzauberte Dulzinea
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Don Quixote, Op. 35, TrV 184: Variation VII. Der Ritt durch die Luft
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by artist: Richard Strauss
by artist: Oslo Philharmonic Orchestra
by artist: Vasily Petrenko
by artist: Louisa Tuck
by artist: Catherine Bullock
in album: Richard Strauss: Don Quixote, Op. 35 / Don Juan, Op. 20 / Till Eulenspiegels lustige Streiche, Op. 28
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genre: classical
genre: opera
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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: 2026-07-08T03:20:19Z
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Don Quixote, Op. 35, TrV 184: VIII. Die Fahrt auf dem verzauberten Nachen [Barcarolle]
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by artist: Oslo Philharmonic Orchestra
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by artist: Louisa Tuck
by artist: Catherine Bullock
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genre: classical
genre: opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T15:42:38Z
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Don Quixote, Op. 35, TrV 184: Variation IX. Der Kampf gegen die vermeintlichen Zauberer: der Angriff auf die Mönche
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:17:02Z
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Don Quixote, Op. 35, TrV 184: Variation X. Zweikampf mit dem Ritter vom blanken Monde: Heimkehr des geschlagenen Don Quixote
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genre: classical
genre: opera
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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: 2026-07-08T03:20:19Z
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Don Quixote, Op. 35, TrV 184: Finale: Don Quixotes Tod
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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: 2026-07-08T03:20:19Z
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    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.676
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major