Manuel Spatafora
type: MusicGroup
genre: opera
popularity: 21
followers: 75
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f24ba1b5aaaec4ea17c01cff40fdef55dcd2eae892cc0a8af057235993d3bfb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a9ac8d5c-9956-41dc-ac93-e360051f284c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a9ac8d5c-9956-41dc-ac93-e360051f284c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a9ac8d5c-9956-41dc-ac93-e360051f284c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5f24ba1b5aaaec4ea17c01cff40fdef55dcd2eae892cc0a8af057235993d3bfb","name":"Manuel Spatafora","registered_at":"2026-06-12T06:45:56Z","symbol":"NIM0218455","token_address":"0xf752d788c6280df72e86d0d63e079c19c44fa6f2","type":"artist","uuid":"a9ac8d5c-9956-41dc-ac93-e360051f284c"}
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f24ba1b5aaaec4ea17c01cff40fdef55dcd2eae892cc0a8af057235993d3bfb. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/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: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x5f24ba1b5aaaec4ea17c01cff40fdef55dcd2eae892cc0a8af057235993d3bfb","name":"Manuel Spatafora","registered_at":"2026-06-12T06:45:56Z","symbol":"NIM0218455","token_address":"0xf752d788c6280df72e86d0d63e079c19c44fa6f2","type":"artist","uuid":"a9ac8d5c-9956-41dc-ac93-e360051f284c"}
track: Puccini: La bohème, Act 1: "Ehi! Rodolfo!" - "O soave fanciulla" (Schaunard, Colline, Marcello, Rodolfo, Mimì)
  type: MusicRecording
  duration: PT4M58S
  duration ms: 298760
  explicit: false
  by artist: Giacomo Puccini
  by artist: Maria Callas
  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: Maria Callas - Puccini
    type: MusicAlbum
    date published: 2022-05-16
  popularity: 0
  isrc code: GBAYC1400794
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0d2a862748cc54411065595e0c16d62eb8ab80652a793569b6178db8c138bf32
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960407
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960407
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400794
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T13:26:30Z
  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 0x0d2a862748cc54411065595e0c16d62eb8ab80652a793569b6178db8c138bf32. Chain 2 (Bitcoin): anchored in block 960407 (2026-07-31T13:26:30Z), 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/GBAYC1400794.
    date published: 2026-07-31T13:26:30Z
  audio: Puccini: La bohème, Act 1: "Ehi! Rodolfo!" - "O soave fanciulla" (Schaunard, Colline, Marcello, Rodolfo, Mimì)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.276
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.276
    additional property: Energy
      type: PropertyValue
      value: 0.106
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.978
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.166
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.041
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.052
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Puccini: La bohème, Act 4: "Oh Dio! Mimì!" - "Che avvien?" (Rodolfo, Schaunard, Mimì, Musetta, Marcello, Colline)
  type: MusicRecording
  duration: PT5M12S
  duration ms: 312991
  explicit: false
  by artist: Giacomo Puccini
  by artist: Maria Callas
  by artist: Anna Moffo
  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: Maria Callas - Puccini
    type: MusicAlbum
    date published: 2022-05-16
  popularity: 0
  isrc code: GBAYC1400812
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa2ac22cca141a6cb03c153b514c8f9c64d01c08f777bff7951126b575544d24e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960327
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960327
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400812
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T00:26:26Z
  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 0xa2ac22cca141a6cb03c153b514c8f9c64d01c08f777bff7951126b575544d24e. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GBAYC1400812.
    date published: 2026-07-31T00:26:26Z
  audio: Puccini: La bohème, Act 4: "Oh Dio! Mimì!" - "Che avvien?" (Rodolfo, Schaunard, Mimì, Musetta, Marcello, Colline)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 103.976
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.205
    additional property: Energy
      type: PropertyValue
      value: 0.041
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.964
    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 1: "Abbasso, abbasso l'autor!" (Marcello, Colline, Rodolfo, Schaunard)
track: Puccini: La bohème, Act 1: "Si può?" - "Chi è là?" (Benoît, Marcello, Schaunard, Colline, Rodolfo)
track: Puccini: La bohème, Act 1: "Al Quartiere Latin ci attende Momus" (Schaunard, Marcello, Rodolfo, Colline)
track: Puccini: La bohème, Act 2: "Aranci, datteri!" (Coro, Schaunard, Colline, Rodolfo, Mimì, Marcello)
track: Puccini: La bohème, Act 2: "Chi guardi?" - "Odio il profano volgo" (Rodolfo, Colline, Mimì, Schaunard, Marcello, Coro, Parpignol)
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
type: PropertyValue
value: 0.001

Liveness
type: PropertyValue
value: 0.149

Valence (Positivity)
type: PropertyValue
value: 0.047

Loudness (dB)
type: PropertyValue
value: -22.751

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Puccini: La bohème, Act 1: "Ehi! Rodolfo!" - "O soave fanciulla" (Schaunard, Colline, Marcello, Rodolfo, Mimì)
type: MusicRecording
duration: PT4M58S
duration ms: 298760
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
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: From Callas With Love
  type: MusicAlbum
  date published: 2023-02-14
isrc code: GBAYC1400794
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0d2a862748cc54411065595e0c16d62eb8ab80652a793569b6178db8c138bf32
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400794
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
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 0x0d2a862748cc54411065595e0c16d62eb8ab80652a793569b6178db8c138bf32. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400794.
  date published: 2026-07-31T13:04:34Z
audio: Puccini: La bohème, Act 1: "Ehi! Rodolfo!" - "O soave fanciulla" (Schaunard, Colline, Marcello, Rodolfo, Mimì)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.276
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.276
  additional property: Energy
    type: PropertyValue
    value: 0.106
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.166
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.041
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.052
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

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
in album: Puccini: La bohème
  type: MusicAlbum
  date published: 2023-04-27
isrc code: GBAYC1400788
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:18:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe0e9843afb4b482c1fff48dd0ca6d63ee28b740ebd62ffb32eb5a2d1cc220ef9
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/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 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 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)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.439
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.489
  additional property: Energy
    type: PropertyValue
    value: 0.26
  additional property: Speechiness
    type: PropertyValue
    value: 0.081
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.084
  additional property: Liveness
    type: PropertyValue
    value: 0.595
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.543
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.566
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: La bohème, Act 1: "Si può?" - "Chi è là?" (Benoît, Marcello, Schaunard, Colline, Rodolfo)
type: MusicRecording
duration: PT4M19S
duration ms: 259186
explicit: false
by artist: Giacomo Puccini
by artist: Antonino Votto
by artist: Carlo Badioli
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: GBAYC1400789
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T21:19:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e6e829f119d35204d245928ef5f0a8360d809ba9e3d5a6684f06e696e8ffca3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960317
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960317
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400789
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T21:35:24Z
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 0x4e6e829f119d35204d245928ef5f0a8360d809ba9e3d5a6684f06e696e8ffca3. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/GBAYC1400789.
  date published: 2026-07-30T21:35:24Z
audio: Puccini: La bohème, Act 1: "Si può?" - "Chi è là?" (Benoît, Marcello, Schaunard, Colline, Rodolfo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.652
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.459
  additional property: Energy
    type: PropertyValue
    value: 0.259
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.637
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.398
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.88
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: La bohème, Act 1: "Al Quartiere Latin ci attende Momus" (Schaunard, Marcello, Rodolfo, Colline)
type: MusicRecording
duration: PT1M43S
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
isrc code: GBAYC1400790
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:34:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc85334c984184e1b12ade7a8a3c9fc9f5e14cc85ea90e34931bbc30781760241
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/GBAYC1400790
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 0xc85334c984184e1b12ade7a8a3c9fc9f5e14cc85ea90e34931bbc30781760241. 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/GBAYC1400790.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: La bohème, Act 1: "Al Quartiere Latin ci attende Momus" (Schaunard, Marcello, Rodolfo, Colline)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.648
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.464
  additional property: Energy
    type: PropertyValue
    value: 0.175
  additional property: Speechiness
    type: PropertyValue
    value: 0.081
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.486
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.472
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: La bohème, Act 1: "Ehi! Rodolfo!" - "O soave fanciulla" (Schaunard, Colline, Marcello, Rodolfo, Mimì)
type: MusicRecording
duration: PT4M58S
duration ms: 298760
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
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: GBAYC1400794
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T22:56:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0d2a862748cc54411065595e0c16d62eb8ab80652a793569b6178db8c138bf32
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960163
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960163
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400794
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T23:20:38Z
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 0x0d2a862748cc54411065595e0c16d62eb8ab80652a793569b6178db8c138bf32. Chain 2 (Bitcoin): anchored in block 960163 (2026-07-29T23:20:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400794.
  date published: 2026-07-29T23:20:38Z
audio: Puccini: La bohème, Act 1: "Ehi! Rodolfo!" - "O soave fanciulla" (Schaunard, Colline, Marcello, Rodolfo, Mimì)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.276
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.276
  additional property: Energy
    type: PropertyValue
    value: 0.106
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.166
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.041
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.052
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: 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
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:43:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x312f5c5eb263ecea45028ba3ca74b8ebba2d84a5e90191de9a80a93ec6a9d83c
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/GBAYC1400795
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 0x312f5c5eb263ecea45028ba3ca74b8ebba2d84a5e90191de9a80a93ec6a9d83c. 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/GBAYC1400795.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: La bohème, Act 2: "Aranci, datteri!" (Coro, Schaunard, Colline, Rodolfo, Mimì, Marcello)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.184
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.484
  additional property: Energy
    type: PropertyValue
    value: 0.473
  additional property: Speechiness
    type: PropertyValue
    value: 0.132
  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
    value: -15.054
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: La bohème, Act 2: "Chi guardi?" - "Odio il profano volgo" (Rodolfo, Colline, Mimì, Schaunard, Marcello, Coro, Parpignol)
type: MusicRecording
duration: PT5M38S
duration ms: 338920
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Franco Ricciardi
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: GBAYC1400796
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T12:50:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x830a7da53705864f14634d5f8f2b36101cdbfe8d5122dca356763fbbd703e54f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960264
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1400796
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16Z
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 0x830a7da53705864f14634d5f8f2b36101cdbfe8d5122dca356763fbbd703e54f. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/GBAYC1400796.
  date published: 2026-07-30T14:36:16Z
audio: Puccini: La bohème, Act 2: "Chi guardi?" - "Odio il profano volgo" (Rodolfo, Colline, Mimì, Schaunard, Marcello, Coro, Parpignol)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.876
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.342
  additional property: Energy
    type: PropertyValue
    value: 0.261
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.23
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.222
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.703
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

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
  value: https://explorer.copyrightchains.com/tx/0x95168bd02864ee4aa103cb677f1549c29ec2ccb86bbb7b518083f802ba84c905
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/GBAYC1400797
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 0x95168bd02864ee4aa103cb677f1549c29ec2ccb86bbb7b518083f802ba84c905. 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/GBAYC1400797.
  date published: 2026-07-08T03:20:19Z
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)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.534
  additional property: Energy
    type: PropertyValue
    value: 0.284
  additional property: Speechiness
    type: PropertyValue
    value: 0.253
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.296
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.461
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.031
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

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: 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/GBAYC2300615
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 0x61f1167a9162d32fd7811aaa1189e6743eedcbefb7de217122b3fdc2eca5bebf. 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/GBAYC2300615.
  date published: 2026-07-08T03:20:19Z
audio: Puccini: La bohème, Act 2: "Marcello un dì l'amò" (Musetta, Marcello, Alcindoro, Mimì, Rodolfo, Schaunard, Colline)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 84.853
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.397
  additional property: Energy
    type: PropertyValue
    value: 0.302
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.417
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.304
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.62
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

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
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audio: Puccini: La bohème, Act 2: "Chi I'ha richiesto?" - "Vediam" (Colline, Schaunard, Rodolfo, Marcello, Coro, Musetta)
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by artist: Antonino Votto
by artist: Giuseppe Di Stefano
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by artist: Nicola Zaccaria
by artist: Rolando Panerai
by artist: Orchestra Del Teatro Alla Scala, Milano
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