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track: Oboe Concerto in D Minor, Op. 9 No. 2: I. Allegro e non presto
track: Oboe Concerto in D Minor, Op. 9 No. 2: III. Allegro
track: Oboe Concerto in C Major, Op. 7 No. 12: I. Allegro
track: Oboe Concerto in B-Flat Major, Op. 7 No. 3: I. Allegro
track: Oboe Concerto in B-Flat Major, Op. 7 No. 3: III. Allegro
track: Oboe Concerto in G Minor, Op. 9 No. 8: III. Allegro
track: Oboe Concerto in B-Flat Major, Op. 9 No. 11: III. Allegro
track: Oboe Concerto in D Major, Op. 7 No. 6: II. Adagio
track: Oboe Concerto in C Major, Op. 9 No. 5: II. Adagio
track: Oboe Concerto in C Major, Op. 9 No. 5: I. Allegro
track: Oboe Concerto in D Minor, Op. 9 No. 2: II. Adagio
track: Oboe Concerto in C Major, Op. 7 No. 12: II. Adagio
track: Oboe Concerto in C Major, Op. 7 No. 12: III. Allegro
track: Oboe Concerto in B-Flat Major, Op. 7 No. 3: II. Adagio
track: Oboe Concerto in G Minor, Op. 9 No. 8: I. Allegro
track: Oboe Concerto in G Minor, Op. 9 No. 8: II. Adagio
track: Oboe Concerto in B-Flat Major, Op. 9 No. 11: I. Allegro
track: Oboe Concerto in B-Flat Major, Op. 9 No. 11: II. Adagio
track: Oboe Concerto in D Major, Op. 7 No. 6: I. Allegro

Oboe Concerto in D Minor, Op. 9 No. 2: I. Allegro e non presto
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by artist: Pavel Gerstein
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  date published: 2026-07-08T08:56:20Z
audio: Oboe Concerto in D Minor, Op. 9 No. 2: I. Allegro e non presto
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Oboe Concerto in D Minor, Op. 9 No. 2: III. Allegro
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  date published: 2026-07-08T03:20:19Z
audio: Oboe Concerto in D Minor, Op. 9 No. 2: III. Allegro
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Oboe Concerto in C Major, Op. 7 No. 12: I. Allegro
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by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
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  date published: 2026-07-08T03:20:19Z
audio: Oboe Concerto in C Major, Op. 7 No. 12: I. Allegro
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Oboe Concerto in B-Flat Major, Op. 7 No. 3: I. Allegro
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  date published: 2026-07-08T03:22:41Z
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Oboe Concerto in B-Flat Major, Op. 7 No. 3: III. Allegro
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Oboe Concerto in G Minor, Op. 9 No. 8: III. Allegro
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duration: PT4M1S
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by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
in album: Albinoni: Oboe Concertos, Opp. 7 & 9
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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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  date published: 2026-07-08T03:20:19Z
audio: Oboe Concerto in G Minor, Op. 9 No. 8: III. Allegro
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Oboe Concerto in B-Flat Major, Op. 9 No. 11: III. Allegro
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duration: PT2M59S
duration ms: 179042
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by artist: Tomaso Albinoni
by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
in album: Albinoni: Oboe Concertos, Opp. 7 & 9
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  date published: 2024-01-21
genre: classical
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Oboe Concerto in B-Flat Major, Op. 9 No. 11: III. Allegro
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Oboe Concerto in D Major, Op. 7 No. 6: II. Adagio
type: MusicRecording
duration: PT2M8S
duration ms: 128869
explicit: false
by artist: Tomaso Albinoni
by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
in album: Albinoni: Oboe Concertos, Opp. 7 & 9
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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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  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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Oboe Concerto in D Major, Op. 7 No. 6: II. Adagio
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Oboe Concerto in C Major, Op. 9 No. 5: II. Adagio
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duration: PT2M1S
duration ms: 121530
explicit: false
by artist: Tomaso Albinoni
by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
in album: Albinoni: Oboe Concertos, Opp. 7 & 9
  type: MusicAlbum
  date published: 2024-01-21
genre: classical
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T16:39:36Z
audio: Oboe Concerto in C Major, Op. 9 No. 5: II. Adagio
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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

Oboe Concerto in C Major, Op. 9 No. 5: I. Allegro
type: MusicRecording
duration: PT3M32S
duration ms: 212896
explicit: false
by artist: Tomaso Albinoni
by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
in album: Albinoni: Oboe Concertos, Opp. 7 & 9
  type: MusicAlbum
  date published: 2024-01-21
genre: classical
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf68bdd837a7b2515edcd5358c904d9ee2fa5059bb5f03f3bfce833c14fc4320e. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401121543.
  date published: 2026-07-30T09:37:10Z
audio: Oboe Concerto in C Major, Op. 9 No. 5: I. Allegro
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isrc code: CZH401121543
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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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

Oboe Concerto in D Minor, Op. 9 No. 2: II. Adagio
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duration: PT6M3S
duration ms: 363376
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by artist: Tomaso Albinoni
by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
in album: Albinoni: Oboe Concertos, Opp. 7 & 9
  type: MusicAlbum
  date published: 2024-01-21
genre: classical
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39949a876ef50553eb41b431bea6c63e73d7fd64cfb436d4353bf0ee3c946f8a. Chain 2 (Bitcoin): anchored in block 960298 (2026-07-30T19:26:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401121547.
  date published: 2026-07-30T19:26:00Z
audio: Oboe Concerto in D Minor, Op. 9 No. 2: II. Adagio
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additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Oboe Concerto in C Major, Op. 7 No. 12: II. Adagio
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duration: PT2M15S
duration ms: 135582
explicit: false
by artist: Tomaso Albinoni
by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
in album: Albinoni: Oboe Concertos, Opp. 7 & 9
  type: MusicAlbum
  date published: 2024-01-21
genre: classical
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa44f6e15333feb7f74805b27bb69eac0d8057be505331760828308560789e050. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401121550.
  date published: 2026-07-31T02:19:15Z
audio: Oboe Concerto in C Major, Op. 7 No. 12: II. Adagio
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isrc code: CZH401121550
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Oboe Concerto in C Major, Op. 7 No. 12: III. Allegro
type: MusicRecording
duration: PT2M3S
duration ms: 123173
explicit: false
by artist: Tomaso Albinoni
by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
in album: Albinoni: Oboe Concertos, Opp. 7 & 9
  type: MusicAlbum
  date published: 2024-01-21
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49033e3e09253b70b7a1c3d89698eabd15a98059b9610845ae1323b4ea181de1. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401121551.
  date published: 2026-07-30T12:51:24Z
audio: Oboe Concerto in C Major, Op. 7 No. 12: III. Allegro
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  additional property: Tempo (BPM)
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: CZH401121551
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Oboe Concerto in B-Flat Major, Op. 7 No. 3: II. Adagio
type: MusicRecording
duration: PT2M32S
duration ms: 152000
explicit: false
by artist: Tomaso Albinoni
by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
in album: Albinoni: Oboe Concertos, Opp. 7 & 9
  type: MusicAlbum
  date published: 2024-01-21
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2055df0acfa818284e20a850e4dd8b2f01fac5120f6d14b639c659594b8c4b3e. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401121553.
  date published: 2026-07-30T18:23:33Z
audio: Oboe Concerto in B-Flat Major, Op. 7 No. 3: II. Adagio
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: CZH401121553
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Oboe Concerto in G Minor, Op. 9 No. 8: I. Allegro
type: MusicRecording
duration: PT4M5S
duration ms: 245865
explicit: false
by artist: Tomaso Albinoni
by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
in album: Albinoni: Oboe Concertos, Opp. 7 & 9
  type: MusicAlbum
  date published: 2024-01-21
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa51564ddfe54b4cde5cb1de89cd8e3839e8fe32bcdc462d7cff6448e840cea9. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401121555.
  date published: 2026-07-31T04:14:58Z
audio: Oboe Concerto in G Minor, Op. 9 No. 8: I. Allegro
  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
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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: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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isrc code: CZH401121555
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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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

Oboe Concerto in G Minor, Op. 9 No. 8: II. Adagio
type: MusicRecording
duration: PT2M10S
duration ms: 130285
explicit: false
by artist: Tomaso Albinoni
by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
in album: Albinoni: Oboe Concertos, Opp. 7 & 9
  type: MusicAlbum
  date published: 2024-01-21
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73cf9885eec957c090ce5e76e122eece348e8db80371ab8121a48be6c30bf47c. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401121556.
  date published: 2026-07-31T06:42:11Z
audio: Oboe Concerto in G Minor, Op. 9 No. 8: II. Adagio
  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
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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: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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isrc code: CZH401121556
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Oboe Concerto in B-Flat Major, Op. 9 No. 11: I. Allegro
type: MusicRecording
duration: PT4M17S
duration ms: 257909
explicit: false
by artist: Tomaso Albinoni
by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
in album: Albinoni: Oboe Concertos, Opp. 7 & 9
  type: MusicAlbum
  date published: 2024-01-21
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcefb5b8ebbbc192cbaf64e5fea8efdd2a8c73dcc18e5710c0acf302038769a7d. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401121558.
  date published: 2026-07-31T08:26:41Z
audio: Oboe Concerto in B-Flat Major, Op. 9 No. 11: I. Allegro
  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
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.932
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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isrc code: CZH401121558
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Oboe Concerto in B-Flat Major, Op. 9 No. 11: II. Adagio
type: MusicRecording
duration: PT2M52S
duration ms: 172831
explicit: false
by artist: Tomaso Albinoni
by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
in album: Albinoni: Oboe Concertos, Opp. 7 & 9
  type: MusicAlbum
  date published: 2024-01-21
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b364f123118c1a8bd7e7ed8b432057642aa883bbfef430f8a126ba90657dc93. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401121559.
  date published: 2026-07-31T05:17:02Z
audio: Oboe Concerto in B-Flat Major, Op. 9 No. 11: II. Adagio
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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
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0.83
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: CZH401121559
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Oboe Concerto in D Major, Op. 7 No. 6: I. Allegro
type: MusicRecording
duration: PT2M47S
duration ms: 167897
explicit: false
by artist: Tomaso Albinoni
by artist: Kostroma Chamber Orchestra
by artist: Oleg Yakubovich
by artist: Pavel Gerstein
in album: Albinoni: Oboe Concertos, Opp. 7 & 9
  type: MusicAlbum
  date published: 2024-01-21
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fcbfcbe89c02bb501da6fee795ea71b2b2562380cad7d7f4294a29a52454ea2. Chain 2 (Bitcoin): anchored in block 960352 (2026-07-31T05:48:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401121561.
  date published: 2026-07-31T05:48:30Z
audio: Oboe Concerto in D Major, Op. 7 No. 6: I. Allegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.982
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.635
  additional property: Energy
    type: PropertyValue
    value: 0.422
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.817
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.836
  additional property: Liveness
    type: PropertyValue
    value: 0.133
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.962
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.646
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: CZH401121561
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960352
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T05:48:30+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZH401121561
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960352
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960352
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:48:30+00:00
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