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type: MusicGroup
genre: opera
popularity: 21
followers: 75
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x5f24ba1b5aaaec4ea17c01cff40fdef55dcd2eae892cc0a8af057235993d3bfb
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f24ba1b5aaaec4ea17c01cff40fdef55dcd2eae892cc0a8af057235993d3bfb. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a9ac8d5c-9956-41dc-ac93-e360051f284c.json and https://artists.proofprofile.net/proofs/artist/a9ac8d5c-9956-41dc-ac93-e360051f284c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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track: Puccini: La bohème, Act 1: "Abbasso, abbasso l'autor!" (Marcello, Colline, Rodolfo, Schaunard)
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226813
  explicit: false
  by artist: Giacomo Puccini
  by artist: Antonino Votto
  by artist: Giuseppe Di Stefano
  by artist: Manuel Spatafora
  by artist: Nicola Zaccaria
  by artist: Rolando Panerai
  by artist: Orchestra Del Teatro Alla Scala, Milano
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    type: MusicAlbum
    date published: 2023-04-27
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  additional property: CopyrightID
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400788
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0e9843afb4b482c1fff48dd0ca6d63ee28b740ebd62ffb32eb5a2d1cc220ef9. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400788.
    date published: 2026-07-08T03:20:19Z
  audio: Puccini: La bohème, Act 1: "Abbasso, abbasso l'autor!" (Marcello, Colline, Rodolfo, Schaunard)
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    additional property: Musical Key
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    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)
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    additional property: Key Name
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    additional property: Mode Name
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track: Puccini: La bohème, Act 1: "Al Quartiere Latin ci attende Momus" (Schaunard, Marcello, Rodolfo, Colline)
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  duration ms: 103853
  explicit: false
  by artist: Giacomo Puccini
  by artist: Antonino Votto
  by artist: Giuseppe Di Stefano
  by artist: Manuel Spatafora
  by artist: Nicola Zaccaria
  by artist: Rolando Panerai
  by artist: Orchestra Del Teatro Alla Scala, Milano
  in album: Puccini: La bohème
    type: MusicAlbum
    date published: 2023-04-27
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  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc85334c984184e1b12ade7a8a3c9fc9f5e14cc85ea90e34931bbc30781760241. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBAYC1400790.
    date published: 2026-07-08T03:53:27Z
  audio: Puccini: La bohème, Act 1: "Al Quartiere Latin ci attende Momus" (Schaunard, Marcello, Rodolfo, Colline)
    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
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name
track: Puccini: La bohème, Act 2: "Aranci, datteri!" (Coro, Schaunard, Colline, Rodolfo, Mimì, Marcello)
track: Puccini: La bohème, Act 2: "Beviam" - "Ch'io beva del tossico!" (Mimì, Rodolfo, Marcello, Schaunard, Colline, Coro, Alcindoro, Musetta)
track: Puccini: La bohème, Act 2: "Marcello un dì l'amò" (Musetta, Marcello, Alcindoro, Mimì, Rodolfo, Schaunard, Colline)
track: Puccini: La bohème, Act 2: "Chi I'ha richiesto?" - "Vediam" (Colline, Schaunard, Rodolfo, Marcello, Coro, Musetta)
track: Puccini: La bohème, Act 4: "Che ora sia?" (Rodolfo, Marcello, Schaunard, Colline)

Instrumentalness
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value: 0

Liveness
type: PropertyValue
value: 0.098

Valence (Positivity)
type: PropertyValue
value: 0.486

Loudness (dB)
type: PropertyValue
value: -19.472

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Puccini: La bohème, Act 2: "Aranci, datteri!" (Coro, Schaunard, Colline, Rodolfo, Mimì, Marcello)
type: MusicRecording
duration: PT2M50S
duration ms: 170653
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Giuseppe Di Stefano
by artist: Manuel Spatafora
by artist: Nicola Zaccaria
by artist: Rolando Panerai
by artist: Antonino Votto
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: La bohème
  type: MusicAlbum
  date published: 2023-04-27
isrc code: GBAYC1400795
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400795
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x312f5c5eb263ecea45028ba3ca74b8ebba2d84a5e90191de9a80a93ec6a9d83c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBAYC1400795.
  date published: 2026-07-08T03:53:27Z
audio: Puccini: La bohème, Act 2: "Aranci, datteri!" (Coro, Schaunard, Colline, Rodolfo, Mimì, Marcello)
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.184
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.078
  additional property: Liveness
    type: PropertyValue
    value: 0.479
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.578
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Puccini: La bohème, Act 2: "Beviam" - "Ch'io beva del tossico!" (Mimì, Rodolfo, Marcello, Schaunard, Colline, Coro, Alcindoro, Musetta)
type: MusicRecording
duration: PT3M17S
duration ms: 197973
explicit: false
by artist: Giacomo Puccini
by artist: Antonino Votto
by artist: Anna Moffo
by artist: Carlo Badioli
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Giuseppe Di Stefano
by artist: Manuel Spatafora
by artist: Nicola Zaccaria
by artist: Rolando Panerai
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: La bohème
  type: MusicAlbum
  date published: 2023-04-27
isrc code: GBAYC1400797
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:40:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400797
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95168bd02864ee4aa103cb677f1549c29ec2ccb86bbb7b518083f802ba84c905. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBAYC1400797.
  date published: 2026-07-08T03:53:27Z
audio: Puccini: La bohème, Act 2: "Beviam" - "Ch'io beva del tossico!" (Mimì, Rodolfo, Marcello, Schaunard, Colline, Coro, Alcindoro, Musetta)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.843
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.461
  additional property: Loudness (dB)
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  additional property: Mode Name
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Puccini: La bohème, Act 2: "Marcello un dì l'amò" (Musetta, Marcello, Alcindoro, Mimì, Rodolfo, Schaunard, Colline)
type: MusicRecording
duration: PT2M20S
duration ms: 140093
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Anna Moffo
by artist: Carlo Badioli
by artist: Giuseppe Di Stefano
by artist: Manuel Spatafora
by artist: Nicola Zaccaria
by artist: Rolando Panerai
by artist: Antonino Votto
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: La bohème
  type: MusicAlbum
  date published: 2023-04-27
isrc code: GBAYC2300615
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:07:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x61f1167a9162d32fd7811aaa1189e6743eedcbefb7de217122b3fdc2eca5bebf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2300615
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61f1167a9162d32fd7811aaa1189e6743eedcbefb7de217122b3fdc2eca5bebf. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/GBAYC2300615.
  date published: 2026-07-08T03:22:41Z
audio: Puccini: La bohème, Act 2: "Marcello un dì l'amò" (Musetta, Marcello, Alcindoro, Mimì, Rodolfo, Schaunard, Colline)
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  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.417
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.304
  additional property: Loudness (dB)
    type: PropertyValue
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Puccini: La bohème, Act 2: "Chi I'ha richiesto?" - "Vediam" (Colline, Schaunard, Rodolfo, Marcello, Coro, Musetta)
type: MusicRecording
duration: PT2M31S
duration ms: 151413
explicit: false
by artist: Giacomo Puccini
by artist: Antonino Votto
by artist: Anna Moffo
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Giuseppe Di Stefano
by artist: Manuel Spatafora
by artist: Nicola Zaccaria
by artist: Rolando Panerai
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: La bohème
  type: MusicAlbum
  date published: 2023-04-27
isrc code: GBAYC1400799
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Puccini: La bohème, Act 2: "Chi I'ha richiesto?" - "Vediam" (Colline, Schaunard, Rodolfo, Marcello, Coro, Musetta)
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Puccini: La bohème, Act 4: "Che ora sia?" (Rodolfo, Marcello, Schaunard, Colline)
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duration ms: 248266
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by artist: Giacomo Puccini
by artist: Antonino Votto
by artist: Giuseppe Di Stefano
by artist: Manuel Spatafora
by artist: Nicola Zaccaria
by artist: Rolando Panerai
by artist: Orchestra Del Teatro Alla Scala, Milano
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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