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type: MusicGroup
genre: opera
popularity: 8
followers: 277
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6358e0df4b9b0f44846c56276a9c75bd403213cd8e7c8b7b0bb972102d45e14b. Chain 2 (Bitcoin): anchored in block 954500 (2026-06-20T04:47:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9c79d0e7-41d7-492d-af17-ce40e2c7fc40.json and https://artists.proofprofile.net/proofs/artist/9c79d0e7-41d7-492d-af17-ce40e2c7fc40.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-20T04:47:29Z
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album: Purcell: Dido and Aeneas
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  date published: 2023-09-22
  track: Dido and Aeneas, Z. 626: Overture
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    by artist: La Nuova Musica
    by artist: David Bates
    in album: Purcell: Dido and Aeneas
      type: MusicAlbum
      date published: 2023-09-22
    popularity: 5
    genre: classical
    genre: choral
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-29T21:09:47Z
    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 0x1819adf8f0fa5f30f58e4da110b130cbb49ec57244f6c299706995c4213cde98. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/NLE422303201 — a six-check JSON result.
      date published: 2026-07-29T21:09:47Z
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    by artist: La Nuova Musica
    by artist: David Bates
    by artist: Giulia Semenzato
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      date published: 2023-09-22
    popularity: 5
    genre: classical
    genre: choral
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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 0x87a5ad37323983f9334840c9d3446219c1d8bd6f6666909e9bb217e42671f863. 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/NLE422303202 — a six-check JSON result.
      date published: 2026-07-08T03:20:19Z
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  track: Dido and Aeneas, Z. 626, Act I: Ah! Belinda
  track: Dido and Aeneas, Z. 626, Act I: Grief increases by concealing - When Monarchs unite - When could so much virtue spring
  track: Dido and Aeneas, Z. 626, Act I: Fear no danger - See, your royal guest appears
  track: Dido and Aeneas, Z. 626, Act I: Cupid only throws the dart - If not for mine for Empire's sake - Persue thy conquest Love
  track: Dido and Aeneas, Z. 626, Act I: To the hills and the vales - The Triumphing Dance
  track: Dido and Aeneas, Z. 626, Act II: Prelude for the Witches
  track: Dido and Aeneas, Z. 626, Act II: Wayward sisters - Harm's our delight
  track: Dido and Aeneas, Z. 626, Act II: The queen of Carthage - Ho, Ho, Ho
  track: Dido and Aeneas, Z. 626, Act II: Ruined ere the set of Sun! - The trojan Prince - Ho, Ho, Ho
  track: Dido and Aeneas, Z. 626, Act II: But ere we this perform - In our deep vaulted cell - Dance
  track: Dido and Aeneas, Z. 626, Act II: The Grove - Thanks to these lonesome vales
  track: Dido and Aeneas, Z. 626, Act II: Gitter Ground at Dance - Often she visits
  track: Dido and Aeneas, Z. 626, Act II: Behold, apon my bending spear - The skies are coloured - Haste haste to town
  track: Dido and Aeneas, Z. 626, Act II: Stay Prince
  track: Dido and Aeneas, Z. 626, Act III: The Sailors dance
  track: Dido and Aeneas, Z. 626, Act III: See, See the flags - Our next motion - Destruction's our delight
  track: Dido and Aeneas, Z. 626, Act III: The Witches' Dance
  track: Dido and Aeneas, Z. 626, Act III: Your counsel all is urged in vain - Great minds
  track: Dido and Aeneas, Z. 626, Act III: When I am laid
  track: Dido and Aeneas, Z. 626, Act III: With drooping wings
album: Cavalli: Sospiri d'amore
track: Il matrimonio segreto, Act I: Cara, non dubitar (Live)

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Dido and Aeneas, Z. 626, Act I: Ah! Belinda
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duration: PT4M27S
duration ms: 267026
explicit: false
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by artist: La Nuova Musica
by artist: David Bates
by artist: Fleur Barron
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 4
genre: classical
genre: choral
isrc code: NLE422303203
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: 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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc60079920ba4cca2e691c32329a6e0fd4deb1e87592a32c6ca9ab3be6cf3b85b. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/NLE422303203 — a six-check JSON result.
  date published: 2026-07-06T06:56:49Z
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Dido and Aeneas, Z. 626, Act I: Grief increases by concealing - When Monarchs unite - When could so much virtue spring
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duration ms: 149707
explicit: false
by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
by artist: Fleur Barron
by artist: Giulia Semenzato
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 4
genre: classical
genre: choral
isrc code: NLE422303204
additional property: CopyrightID
additional property: CopyrightStatus
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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
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6580793e06a86e1d4637a1c7165c8da513aaeb0615454544abbd9517da77901a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422303204 — a six-check JSON result.
  date published: 2026-07-30T18:23:33Z
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Dido and Aeneas, Z. 626, Act I: Fear no danger - See, your royal guest appears
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duration: PT2M23S
duration ms: 143227
explicit: false
by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
by artist: Hilary Cronin
by artist: Giulia Semenzato
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 4
genre: classical
genre: choral
isrc code: NLE422303205
additional property: CopyrightID
additional property: CopyrightStatus
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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
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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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Dido and Aeneas, Z. 626, Act I: Cupid only throws the dart - If not for mine for Empire's sake - Persue thy conquest Love
type: MusicRecording
duration: PT1M58S
duration ms: 118226
explicit: false
by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
by artist: Matthew Brook
by artist: Giulia Semenzato
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 3
genre: classical
genre: choral
isrc code: NLE422303206
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-06T23:30:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfc3f85671468041cfc741caed0c7655af22a9f6cff7abbe897ca13191d5ea205
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/NLE422303206
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 0xfc3f85671468041cfc741caed0c7655af22a9f6cff7abbe897ca13191d5ea205. 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/NLE422303206 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Dido and Aeneas, Z. 626, Act I: Cupid only throws the dart - If not for mine for Empire's sake - Persue thy conquest Love
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  additional property: Tempo (BPM)
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    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: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Dido and Aeneas, Z. 626, Act I: To the hills and the vales - The Triumphing Dance
type: MusicRecording
duration: PT2M27S
duration ms: 147587
explicit: false
by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 3
genre: classical
genre: choral
isrc code: NLE422303207
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:01:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb382cc720c04350258338d65edf520a99c74594f3ebefcfbffb51727f912669a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/NLE422303207
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 0xb382cc720c04350258338d65edf520a99c74594f3ebefcfbffb51727f912669a. 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/NLE422303207 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Dido and Aeneas, Z. 626, Act I: To the hills and the vales - The Triumphing Dance
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
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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)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Dido and Aeneas, Z. 626, Act II: Prelude for the Witches
type: MusicRecording
duration: PT0M46S
duration ms: 46587
explicit: false
by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
by artist: Avery Amereau
by artist: Helen Charlston
by artist: Martha McLorinan
by artist: Giulia Semenzato
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 4
genre: classical
genre: choral
isrc code: NLE422303208
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:52:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5bbe8862174f4b8e519e4e088dea99a447b77fbe6733326a88ddf8f2a6efea0b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/NLE422303208
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 0x5bbe8862174f4b8e519e4e088dea99a447b77fbe6733326a88ddf8f2a6efea0b. 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/NLE422303208 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Dido and Aeneas, Z. 626, Act II: Prelude for the Witches
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.047
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.245
  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
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.189
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.616
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Minor

Dido and Aeneas, Z. 626, Act II: Wayward sisters - Harm's our delight
type: MusicRecording
duration: PT1M21S
duration ms: 81640
explicit: false
by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
by artist: Avery Amereau
by artist: Helen Charlston
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 4
genre: classical
genre: choral
isrc code: NLE422303209
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T07:23:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ef0943bc3683261ffeb96b843460ec5035fb46441506a815e5cfa257d5ad168
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960220
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422303209
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:28:30Z
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 0x1ef0943bc3683261ffeb96b843460ec5035fb46441506a815e5cfa257d5ad168. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422303209 — a six-check JSON result.
  date published: 2026-07-30T07:28:30Z
audio: Dido and Aeneas, Z. 626, Act II: Wayward sisters - Harm's our delight
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.811
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.255
  additional property: Energy
    type: PropertyValue
    value: 0.247
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.945
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.366
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.295
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.596
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Dido and Aeneas, Z. 626, Act II: The queen of Carthage - Ho, Ho, Ho
type: MusicRecording
duration: PT0M41S
duration ms: 41892
explicit: false
by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
by artist: Avery Amereau
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 3
genre: classical
genre: choral
isrc code: NLE422303210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:02:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4b4abf1b2cef06bc5da3ae6e9bebf3c3ee346f585f11b5eb32019c8ed2da7cd8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
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/NLE422303210
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 0x4b4abf1b2cef06bc5da3ae6e9bebf3c3ee346f585f11b5eb32019c8ed2da7cd8. 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/NLE422303210 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Dido and Aeneas, Z. 626, Act II: The queen of Carthage - Ho, Ho, Ho
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 148.715
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.31
  additional property: Energy
    type: PropertyValue
    value: 0.487
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.359
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.651
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.255
  additional property: Key Name
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  additional property: Mode Name
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Dido and Aeneas, Z. 626, Act II: Ruined ere the set of Sun! - The trojan Prince - Ho, Ho, Ho
type: MusicRecording
duration: PT1M7S
duration ms: 67960
explicit: false
by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
by artist: Helen Charlston
by artist: Martha McLorinan
by artist: Avery Amereau
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 3
genre: classical
genre: choral
isrc code: NLE422303211
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T05:22:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7cbafad8453e1c51a35e3c965b5b84440d256c21201423d74b8294f43659eb6f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960212
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960212
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422303211
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T05:43:45Z
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 0x7cbafad8453e1c51a35e3c965b5b84440d256c21201423d74b8294f43659eb6f. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), 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/NLE422303211 — a six-check JSON result.
  date published: 2026-07-30T05:43:45Z
audio: Dido and Aeneas, Z. 626, Act II: Ruined ere the set of Sun! - The trojan Prince - Ho, Ho, Ho
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 150.026
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.422
  additional property: Energy
    type: PropertyValue
    value: 0.349
  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.487
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.315
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.445
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dido and Aeneas, Z. 626, Act II: But ere we this perform - In our deep vaulted cell - Dance
type: MusicRecording
duration: PT3M36S
duration ms: 216932
explicit: false
by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
by artist: Helen Charlston
by artist: Martha McLorinan
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 3
genre: classical
genre: choral
isrc code: NLE422303212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T01:08:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd38c98057ff47534f7a806d3b1375f148a56f017b4aa037a360f5dd07e3bf9bf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960185
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960185
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422303212
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T01:32:48Z
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: 2026-07-30T01:32:48Z
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Dido and Aeneas, Z. 626, Act II: The Grove - Thanks to these lonesome vales
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duration: PT3M44S
duration ms: 224253
explicit: false
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by artist: La Nuova Musica
by artist: David Bates
by artist: Giulia Semenzato
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 3
genre: classical
genre: choral
isrc code: NLE422303213
additional property: CopyrightID
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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: 2026-07-08T03:20:19Z
audio: Dido and Aeneas, Z. 626, Act II: The Grove - Thanks to these lonesome vales
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Dido and Aeneas, Z. 626, Act II: Gitter Ground at Dance - Often she visits
type: MusicRecording
duration: PT3M1S
duration ms: 181332
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by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
by artist: Hilary Cronin
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 4
genre: classical
genre: choral
isrc code: NLE422303214
additional property: CopyrightID
additional property: CopyrightStatus
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27c3de70b67a1b18468c3f49db59a5abbb704138a9fc754cff58dbba5f1db38a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE422303214 — a six-check JSON result.
  date published: 2026-07-29T19:35:34Z
audio: Dido and Aeneas, Z. 626, Act II: Gitter Ground at Dance - Often she visits
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Dido and Aeneas, Z. 626, Act II: Behold, apon my bending spear - The skies are coloured - Haste haste to town
type: MusicRecording
duration: PT1M17S
duration ms: 77320
explicit: false
by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
by artist: Matthew Brook
by artist: Giulia Semenzato
by artist: Fleur Barron
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 3
genre: classical
genre: choral
isrc code: NLE422303215
additional property: CopyrightID
additional property: CopyrightStatus
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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
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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
  type: DigitalDocument
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  date published: 2026-07-30T14:36:16Z
audio: Dido and Aeneas, Z. 626, Act II: Behold, apon my bending spear - The skies are coloured - Haste haste to town
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Dido and Aeneas, Z. 626, Act II: Stay Prince
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duration: PT2M43S
duration ms: 163547
explicit: false
by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
by artist: Tim Mead
by artist: Matthew Brook
by artist: Avery Amereau
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 2
genre: classical
genre: choral
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additional property: CopyrightID
additional property: CopyrightStatus
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x558ea45eab4f3329231e00a824f4a6474c91a697f0a0866ee69d98857c3df693. Chain 2 (Bitcoin): anchored in block 960181 (2026-07-30T00:53:20Z), 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/NLE422303216 — a six-check JSON result.
  date published: 2026-07-30T00:53:20Z
audio: Dido and Aeneas, Z. 626, Act II: Stay Prince
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Dido and Aeneas, Z. 626, Act III: The Sailors dance
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duration: PT2M16S
duration ms: 136880
explicit: false
by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 3
genre: classical
genre: choral
isrc code: NLE422303217
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
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf55c082687bc1678fc483d47b5008f2867c30d98e5f0128baed8a5109d67c078. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/NLE422303217 — a six-check JSON result.
  date published: 2026-07-30T06:39:12Z
audio: Dido and Aeneas, Z. 626, Act III: The Sailors dance
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Dido and Aeneas, Z. 626, Act III: See, See the flags - Our next motion - Destruction's our delight
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duration: PT2M0S
duration ms: 120680
explicit: false
by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
by artist: Avery Amereau
by artist: Helen Charlston
by artist: Martha McLorinan
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 3
genre: classical
genre: choral
isrc code: NLE422303218
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
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf158743d50a821889b9877a3b1f5175650b9a6a0185f1263f835fe60e0663c78. 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/NLE422303218 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Dido and Aeneas, Z. 626, Act III: See, See the flags - Our next motion - Destruction's our delight
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Dido and Aeneas, Z. 626, Act III: The Witches' Dance
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by artist: La Nuova Musica
by artist: David Bates
in album: Purcell: Dido and Aeneas
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  date published: 2023-09-22
popularity: 2
genre: classical
genre: choral
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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: 2026-07-30T09:58:01Z
audio: Dido and Aeneas, Z. 626, Act III: The Witches' Dance
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Dido and Aeneas, Z. 626, Act III: Your counsel all is urged in vain - Great minds
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duration: PT4M58S
duration ms: 298786
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by artist: La Nuova Musica
by artist: David Bates
by artist: Fleur Barron
by artist: Matthew Brook
by artist: Giulia Semenzato
in album: Purcell: Dido and Aeneas
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  date published: 2023-09-22
popularity: 2
genre: classical
genre: choral
isrc code: NLE422303220
additional property: CopyrightID
additional property: CopyrightStatus
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45511731ad34df4a3ba88008e0dacd3ea52247a1774b0846c1fc132e56877150. 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/NLE422303220 — a six-check JSON result.
  date published: 2026-07-30T09:58:01Z
audio: Dido and Aeneas, Z. 626, Act III: Your counsel all is urged in vain - Great minds
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Dido and Aeneas, Z. 626, Act III: When I am laid
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duration: PT3M27S
duration ms: 207747
explicit: false
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by artist: La Nuova Musica
by artist: David Bates
by artist: Fleur Barron
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 5
genre: classical
genre: choral
isrc code: NLE422303222
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
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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: Dido and Aeneas, Z. 626, Act III: When I am laid
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Dido and Aeneas, Z. 626, Act III: With drooping wings
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duration: PT5M16S
duration ms: 316106
explicit: false
by artist: Henry Purcell
by artist: La Nuova Musica
by artist: David Bates
in album: Purcell: Dido and Aeneas
  type: MusicAlbum
  date published: 2023-09-22
popularity: 3
genre: classical
genre: choral
isrc code: NLE422303223
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: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68cff0f70d77f3f5fd796e2e65b6b5eca0c2ca29872374a66e3c455f0c5c4686. 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/NLE422303223 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Dido and Aeneas, Z. 626, Act III: With drooping wings
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Cavalli: Sospiri d'amore
type: MusicAlbum
date published: 2016-05-27

Il matrimonio segreto, Act I: Cara, non dubitar (Live)
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duration: PT6M1S
duration ms: 361866
explicit: false
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by artist: Jesus Alvarez
by artist: Academia Montis Regalis
by artist: Alessandro De Marchi
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genre: classical
genre: classical-piano
genre: requiem
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e349e8052fcecb14b9ceb335d7be7e6055a4cb70411dc821a9246c9af9abab3. 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/DEB201629502 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Il matrimonio segreto, Act I: Cara, non dubitar (Live)
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