Simon Keenlyside
type: MusicGroup
genre: classical
genre: opera
genre: requiem
description: Sir Simon Keenlyside (born 3 August 1959) is a British baritone who has performed in operas and concerts since the mid-1980s. Biography Early life and education Keenlyside was born in London, the s
popularity: 30
followers: 3271
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2fa9c92785e0f37296c495b2e20f5323d4cfbc231bc6961b5d016bcc16bc2488
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/2ec4e9b8-b1de-460a-9154-1494f59921eb.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2ec4e9b8-b1de-460a-9154-1494f59921eb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2ec4e9b8-b1de-460a-9154-1494f59921eb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2fa9c92785e0f37296c495b2e20f5323d4cfbc231bc6961b5d016bcc16bc2488","name":"Simon Keenlyside","registered_at":"2026-06-11T15:17:37Z","symbol":"NIM0060905","token_address":"0x7ef94ee99e4b7ddbbe85bea2e558a60cefd4bdfd","type":"artist","uuid":"2ec4e9b8-b1de-460a-9154-1494f59921eb"}
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 0x2fa9c92785e0f37296c495b2e20f5323d4cfbc231bc6961b5d016bcc16bc2488. 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/2ec4e9b8-b1de-460a-9154-1494f59921eb.json and https://artists.proofprofile.net/proofs/artist/2ec4e9b8-b1de-460a-9154-1494f59921eb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x2fa9c92785e0f37296c495b2e20f5323d4cfbc231bc6961b5d016bcc16bc2488","name":"Simon Keenlyside","registered_at":"2026-06-11T15:17:37Z","symbol":"NIM0060905","token_address":"0x7ef94ee99e4b7ddbbe85bea2e558a60cefd4bdfd","type":"artist","uuid":"2ec4e9b8-b1de-460a-9154-1494f59921eb"}
album: Britten: War Requiem
  type: MusicAlbum
  date published: 2012-05-08
album: Vaughan Williams: On Wenlock Edge / Five Mystical Songs (English Song, Vol. 3)
  type: MusicAlbum
  date published: 2003-01-16
track: Gounod: Roméo et Juliette, Act 3: "Allons ! Tu ne me connais pas Tybalt" (Roméo, Tybalt, Mercutio, Chœur, Stéphano, Benvolio, Pâris, Gregorio)
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141626
  explicit: false
  by artist: Charles Gounod
  by artist: Michel Plasson
  by artist: Choeur Du Capitole De Toulouse
  by artist: Daniel Galvez-Vallejo
  by artist: Didier Henry
  by artist: Guy Fletcher
  by artist: Marie-Ange Todorovitch
  by artist: Roberto Alagna
  by artist: Simon Keenlyside
  by artist: Till Fechner
  by artist: Orchestre Du Capitole De Toulouse
  in album: Gounod: Roméo et Juliette
    type: MusicAlbum
    date published: 1998-01-01
  popularity: 11
  genre: opera
  isrc code: GBAYC9500068
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T09:14:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x012f3e067575251877109fcdc645547ef61d6efa62e856f245a426db9184e66a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960379
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960379
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9500068
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T09:25:34Z
  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 0x012f3e067575251877109fcdc645547ef61d6efa62e856f245a426db9184e66a. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/GBAYC9500068.
    date published: 2026-07-31T09:25:34Z
  audio: Gounod: Roméo et Juliette, Act 3: "Allons ! Tu ne me connais pas Tybalt" (Roméo, Tybalt, Mercutio, Chœur, Stéphano, Benvolio, Pâris, Gregorio)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 130.287
    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: 0.418
    additional property: Energy
      type: PropertyValue
      value: 0.213
    additional property: Speechiness
      type: PropertyValue
      value: 0.072
    additional property: Acousticness
      type: PropertyValue
      value: 0.981
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.544
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.328
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.624
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: La Bohème / Act 1: "O soave fanciulla"
  type: MusicRecording
  duration: PT4M3S
  duration ms: 243333
  explicit: false
  by artist: Giacomo Puccini
  by artist: Roberto Alagna
  by artist: Angela Gheorghiu
  by artist: Simon Keenlyside
  by artist: Orchestra Del Teatro Alla Scala, Milano
  by artist: Riccardo Chailly
  in album: La Bohème - Highlights
    type: MusicAlbum
    date published: 2008-01-01
  popularity: 9
  isrc code: GBF079841010
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xde67d2359976efefef38cc69b6cf4688e477ef73be4bc556e6ac5c33c0bc65ee
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960166
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960166
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079841010
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T23:39:29Z
  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 0xde67d2359976efefef38cc69b6cf4688e477ef73be4bc556e6ac5c33c0bc65ee. Chain 2 (Bitcoin): anchored in block 960166 (2026-07-29T23:39:29Z), 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/GBF079841010.
    date published: 2026-07-29T23:39:29Z
  audio: La Bohème / Act 1: "O soave fanciulla"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.497
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
    additional property: Energy
    additional property: Speechiness
    additional property: Acousticness
    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name
track: La Bohème / Act 1: "Questo mar rosso"
track: Fauré: Requiem, Op. 48: IV. Pie Jesu (1893 Version)
track: La Bohème / Act 2: "Quando men vo"
track: La Bohème / Act 2: "Aranci, ninnoli! Caldi i marroni e caramelle"
track: La Bohème / Act 2: "Chi guardi?" - Extract
track: La Bohème / Act 3: "Mimì!"
track: La Bohème / Act 2: "Chi l'ha richiesto?"
track: La Bohème / Act 3: "Mimì è tanto malata!"
track: La Bohème / Act 3: "Dunque è propio finita!"
track: La Bohème / Act 4: "In un coupé?"
track: La Bohème / Act 4: "O Mimì, tu più non torni" - Extract
track: La Bohème / Act 4: "Che avvien?"
track: Il barbiere di Siviglia: Largo al factotum

Danceability
type: PropertyValue
value: 0.136

Energy
type: PropertyValue
value: 0.07

Speechiness
type: PropertyValue
value: 0.045

Acousticness
type: PropertyValue
value: 0.974

Instrumentalness
type: PropertyValue
value: 0.024

Liveness
type: PropertyValue
value: 0.087

Valence (Positivity)
type: PropertyValue
value: 0.04

Loudness (dB)
type: PropertyValue
value: -26.334

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

La Bohème / Act 1: "Questo mar rosso"
type: MusicRecording
duration: PT4M2S
duration ms: 242520
explicit: false
by artist: Giacomo Puccini
by artist: Simon Keenlyside
by artist: Roberto Alagna
by artist: Ildebrando D'Arcangelo
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Riccardo Chailly
in album: La Bohème - Highlights
  type: MusicAlbum
  date published: 2008-01-01
popularity: 7
isrc code: GBF079841001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T19:33:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7882d4e3595b55cc971d2737aeeed0ecae375ec4e339818478b4e350d50b0493
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960144
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960144
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079841001
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 0x7882d4e3595b55cc971d2737aeeed0ecae375ec4e339818478b4e350d50b0493. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079841001.
  date published: 2026-07-29T21:09:47Z
audio: La Bohème / Act 1: "Questo mar rosso"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 172.598
  additional property: Musical Key
    type: PropertyValue
    value: 5
  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: 0.233
  additional property: Speechiness
    type: PropertyValue
    value: 0.146
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.452
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.365
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Fauré: Requiem, Op. 48: IV. Pie Jesu (1893 Version)
type: MusicRecording
duration: PT3M25S
duration ms: 205880
explicit: false
by artist: Gabriel Fauré
by artist: Simon Keenlyside
by artist: Richard Studt
by artist: Stephen Farr
by artist: Winchester Cathedral Choir
by artist: Bournemouth Sinfonietta
by artist: Nancy Argenta
by artist: David Hill
in album: The Most Peaceful Classical Album in the World...Ever!
  type: MusicAlbum
  date published: 2000-10-01
popularity: 6
isrc code: GBAYC9600115
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T20:58:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde340f457d6148dfe35ccc926db629f8259905cd93a1b6f07ee6f4b0af398050
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960144
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960144
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9600115
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 0xde340f457d6148dfe35ccc926db629f8259905cd93a1b6f07ee6f4b0af398050. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9600115.
  date published: 2026-07-29T21:09:47Z
audio: Fauré: Requiem, Op. 48: IV. Pie Jesu (1893 Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.294
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.233
  additional property: Energy
    type: PropertyValue
    value: 0.049
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.125
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Bohème / Act 2: "Quando men vo"
type: MusicRecording
duration: PT4M24S
duration ms: 264693
explicit: false
by artist: Giacomo Puccini
by artist: Elisabetta Scano
by artist: Simon Keenlyside
by artist: Alfredo Mariotti
by artist: Angela Gheorghiu
by artist: Roberto Alagna
by artist: Roberto de Candia
by artist: Ildebrando D'Arcangelo
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Riccardo Chailly
in album: La Bohème - Highlights
  type: MusicAlbum
  date published: 2008-01-01
popularity: 6
isrc code: GBF079841015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9ea92217c06050f8f8ace508229c6bbadd03f4af4d22c61413939f4af1b1288c
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/GBF079841015
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 0x9ea92217c06050f8f8ace508229c6bbadd03f4af4d22c61413939f4af1b1288c. 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/GBF079841015.
  date published: 2026-07-31T00:26:26Z
audio: La Bohème / Act 2: "Quando men vo"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.559
  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: 0.249
  additional property: Energy
    type: PropertyValue
    value: 0.145
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.928
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.359
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.225
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.658
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Bohème / Act 2: "Aranci, ninnoli! Caldi i marroni e caramelle"
type: MusicRecording
duration: PT2M34S
duration ms: 154293
explicit: false
by artist: Giacomo Puccini
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Coro Voci Bianche Del Teatro Alla E Del Conservatorio G. Verdi
by artist: Roberto de Candia
by artist: Ildebrando D'Arcangelo
by artist: Roberto Alagna
by artist: Angela Gheorghiu
by artist: Simon Keenlyside
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Riccardo Chailly
in album: La Bohème - Highlights
  type: MusicAlbum
  date published: 2008-01-01
popularity: 5
isrc code: GBF079841011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:26:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8520952cc911bcb04f457265461777ec88071dc09a72a7f3f266311d7393e2f2
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/GBF079841011
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 0x8520952cc911bcb04f457265461777ec88071dc09a72a7f3f266311d7393e2f2. 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/GBF079841011.
  date published: 2026-07-08T03:20:19Z
audio: La Bohème / Act 2: "Aranci, ninnoli! Caldi i marroni e caramelle"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.878
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.413
  additional property: Energy
    type: PropertyValue
    value: 0.322
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.331
  additional property: Liveness
    type: PropertyValue
    value: 0.289
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.438
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.846
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Bohème / Act 2: "Chi guardi?" - Extract
type: MusicRecording
duration: PT3M13S
duration ms: 193680
explicit: false
by artist: Giacomo Puccini
by artist: Roberto Alagna
by artist: Ildebrando D'Arcangelo
by artist: Roberto de Candia
by artist: Angela Gheorghiu
by artist: Simon Keenlyside
by artist: Alberto Ragona
by artist: Riccardo Brando Spedicato
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Coro Voci Bianche Del Teatro Alla E Del Conservatorio G. Verdi
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Riccardo Chailly
in album: La Bohème - Highlights
  type: MusicAlbum
  date published: 2008-01-01
popularity: 5
isrc code: GBBBA9850210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:41:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec33aa1bd3f0b1071f3fd3d75d55a064a440f3f1166c6c8d703c6e8f10487cc7
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/GBBBA9850210
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 0xec33aa1bd3f0b1071f3fd3d75d55a064a440f3f1166c6c8d703c6e8f10487cc7. 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/GBBBA9850210.
  date published: 2026-07-08T03:20:19Z
audio: La Bohème / Act 2: "Chi guardi?" - Extract
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.582
  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: 0.275
  additional property: Energy
    type: PropertyValue
    value: 0.128
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.589
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.271
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.042
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Bohème / Act 3: "Mimì!"
type: MusicRecording
duration: PT4M38S
duration ms: 278440
explicit: false
by artist: Giacomo Puccini
by artist: Simon Keenlyside
by artist: Angela Gheorghiu
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Riccardo Chailly
in album: La Bohème - Highlights
  type: MusicAlbum
  date published: 2008-01-01
popularity: 5
isrc code: GBF079841019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:38:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e51d256174f2245fb0b89104fa2968b9a3612647d311259e818ac9ddf156346
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/GBF079841019
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 0x5e51d256174f2245fb0b89104fa2968b9a3612647d311259e818ac9ddf156346. 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/GBF079841019.
  date published: 2026-07-08T03:20:19Z
audio: La Bohème / Act 3: "Mimì!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.149
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.238
  additional property: Energy
    type: PropertyValue
    value: 0.095
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.388
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.084
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.848
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Bohème / Act 2: "Chi l'ha richiesto?"
type: MusicRecording
duration: PT2M5S
duration ms: 125426
explicit: false
by artist: Giacomo Puccini
by artist: Ildebrando D'Arcangelo
by artist: Roberto de Candia
by artist: Roberto Alagna
by artist: Simon Keenlyside
by artist: Elisabetta Scano
by artist: Angela Gheorghiu
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Coro Voci Bianche Del Teatro Alla E Del Conservatorio G. Verdi
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Riccardo Chailly
in album: La Bohème - Highlights
  type: MusicAlbum
  date published: 2008-01-01
popularity: 4
isrc code: GBF079841016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:05:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1d3538466a10b6a392cb63ec09ad724d8f33ecc601d6a733a519058449f15d8a
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/GBF079841016
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 0x1d3538466a10b6a392cb63ec09ad724d8f33ecc601d6a733a519058449f15d8a. 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/GBF079841016.
  date published: 2026-07-08T03:20:19Z
audio: La Bohème / Act 2: "Chi l'ha richiesto?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.109
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.515
  additional property: Energy
    type: PropertyValue
    value: 0.418
  additional property: Speechiness
    type: PropertyValue
    value: 0.085
  additional property: Acousticness
    type: PropertyValue
    value: 0.918
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.142
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.506
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.03
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Bohème / Act 3: "Mimì è tanto malata!"
type: MusicRecording
duration: PT2M55S
duration ms: 175240
explicit: false
by artist: Giacomo Puccini
by artist: Roberto Alagna
by artist: Simon Keenlyside
by artist: Angela Gheorghiu
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Riccardo Chailly
in album: La Bohème - Highlights
  type: MusicAlbum
  date published: 2008-01-01
popularity: 4
isrc code: GBF079841022
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T21:04:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x788a4f3646fc463edb3c758e3c7319be2046433a92a42c8f52bf8671f779f864
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/GBF079841022
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 0x788a4f3646fc463edb3c758e3c7319be2046433a92a42c8f52bf8671f779f864. 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/GBF079841022.
  date published: 2026-07-30T21:35:24Z
audio: La Bohème / Act 3: "Mimì è tanto malata!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.625
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.219
  additional property: Energy
    type: PropertyValue
    value: 0.26
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.187
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.678
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Bohème / Act 3: "Dunque è propio finita!"
type: MusicRecording
duration: PT5M9S
duration ms: 309800
explicit: false
by artist: Giacomo Puccini
by artist: Roberto Alagna
by artist: Angela Gheorghiu
by artist: Simon Keenlyside
by artist: Elisabetta Scano
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Riccardo Chailly
in album: La Bohème - Highlights
  type: MusicAlbum
  date published: 2008-01-01
popularity: 4
isrc code: GBF079841024
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T02:17:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0508345c3e6d6f045befd355a1169dc1c70d7b8c758193554f0187aec6ce14f3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960337
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960337
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079841024
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:51:48Z
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0508345c3e6d6f045befd355a1169dc1c70d7b8c758193554f0187aec6ce14f3. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/GBF079841024.
  date published: 2026-07-31T02:51:48Z
audio: La Bohème / Act 3: "Dunque è propio finita!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.822
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.166
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.048
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.338
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Bohème / Act 4: "In un coupé?"
type: MusicRecording
duration: PT1M9S
duration ms: 69546
explicit: false
by artist: Giacomo Puccini
by artist: Simon Keenlyside
by artist: Roberto Alagna
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Riccardo Chailly
in album: La Bohème - Highlights
  type: MusicAlbum
  date published: 2008-01-01
popularity: 3
isrc code: GBF079841025
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:59:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x531db0a24ebc4cdd365c71c570b1f28d624164a6b208778af2399d9aaec47fc6
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/GBF079841025
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 0x531db0a24ebc4cdd365c71c570b1f28d624164a6b208778af2399d9aaec47fc6. 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/GBF079841025.
  date published: 2026-07-08T03:20:19Z
audio: La Bohème / Act 4: "In un coupé?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.697
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.494
  additional property: Energy
    type: PropertyValue
    value: 0.211
  additional property: Speechiness
    type: PropertyValue
    value: 0.108
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.503
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.515
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.41
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Bohème / Act 4: "O Mimì, tu più non torni" - Extract
type: MusicRecording
duration: PT2M52S
duration ms: 172946
explicit: false
by artist: Giacomo Puccini
by artist: Roberto Alagna
by artist: Simon Keenlyside
by artist: Roberto de Candia
by artist: Ildebrando D'Arcangelo
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Riccardo Chailly
in album: La Bohème - Highlights
  type: MusicAlbum
  date published: 2008-01-01
popularity: 3
isrc code: GBBBA9850200
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T16:22:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3e3ebeebd3d54eea1545850636b1b1d419d67d1de7a24fb77fb8d828bf9d4c2c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960284
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960284
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA9850200
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T17:23:26Z
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 0x3e3ebeebd3d54eea1545850636b1b1d419d67d1de7a24fb77fb8d828bf9d4c2c. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GBBBA9850200.
  date published: 2026-07-30T17:23:26Z
audio: La Bohème / Act 4: "O Mimì, tu più non torni" - Extract
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.11
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.236
  additional property: Energy
    type: PropertyValue
    value: 0.174
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.013
  additional property: Liveness
    type: PropertyValue
    value: 0.256
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.146
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.24
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Bohème / Act 4: "Che avvien?"
type: MusicRecording
duration: PT5M8S
duration ms: 308973
explicit: false
by artist: Giacomo Puccini
by artist: Roberto de Candia
by artist: Angela Gheorghiu
by artist: Roberto Alagna
by artist: Elisabetta Scano
by artist: Simon Keenlyside
by artist: Ildebrando D'Arcangelo
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Riccardo Chailly
in album: La Bohème - Highlights
  type: MusicAlbum
  date published: 2008-01-01
popularity: 3
isrc code: GBF079841031
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:29:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78d5cf3958f107176e227ae7c1cdf2409cc634ff4f748e0767636a421a59a791
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/GBF079841031
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 0x78d5cf3958f107176e227ae7c1cdf2409cc634ff4f748e0767636a421a59a791. 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/GBF079841031.
  date published: 2026-07-08T03:20:19Z
audio: La Bohème / Act 4: "Che avvien?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.649
  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: 0.182
  additional property: Energy
    type: PropertyValue
    value: 0.028
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.347
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.014
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Il barbiere di Siviglia: Largo al factotum
type: MusicRecording
duration: PT4M56S
duration ms: 296173
explicit: false
by artist: Gioachino Rossini
by artist: Simon Keenlyside
by artist: Munich Radio Orchestra
by artist: Ulf Schirmer
in album: Ich mag keine Klassik, aber das gefällt mir!, Vol. 5
  type: MusicAlbum
  date published: 2016-11-04
popularity: 1
genre: classical
genre: opera
isrc code: DEE860600689
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T08:32:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d03c34a881debba64c07a267c375785bfed930f8f2eae67e293a708e525b3cc
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/DEE860600689
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 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 0x3d03c34a881debba64c07a267c375785bfed930f8f2eae67e293a708e525b3cc. 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/DEE860600689.
  date published: 2026-07-08T03:22:41Z
audio: Il barbiere di Siviglia: Largo al factotum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.494
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.469
  additional property: Energy
    type: PropertyValue
    value: 0.279
  additional property: Speechiness
    type: PropertyValue
    value: 0.075
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.013
  additional property: Liveness
    type: PropertyValue
    value: 0.078
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.327
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.916
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major