Michel-Alexandre Broekaert
type: MusicGroup
popularity: 3
followers: 1
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x96e3744f5d54d6d03f29a129951df2425e43c2536a2c7cd359790255e6aecea9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954573
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954573
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b4782b1b-453c-4d77-b474-2afc2b2dde81.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b4782b1b-453c-4d77-b474-2afc2b2dde81.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b4782b1b-453c-4d77-b474-2afc2b2dde81
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T15:45:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x96e3744f5d54d6d03f29a129951df2425e43c2536a2c7cd359790255e6aecea9","name":"Michel-Alexandre Broekaert","registered_at":"2026-06-20T14:03:21Z","symbol":"NIM1627660","token_address":"0xbf53a72bf3894c319fd53481ea903a3d1ddbeecf","type":"artist","uuid":"b4782b1b-453c-4d77-b474-2afc2b2dde81"}
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 0x96e3744f5d54d6d03f29a129951df2425e43c2536a2c7cd359790255e6aecea9. Chain 2 (Bitcoin): anchored in block 954573 (2026-06-20T15:45:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b4782b1b-453c-4d77-b474-2afc2b2dde81.json and https://artists.proofprofile.net/proofs/artist/b4782b1b-453c-4d77-b474-2afc2b2dde81.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-20T15:45:29Z
  text: {"copyright_id":"0x96e3744f5d54d6d03f29a129951df2425e43c2536a2c7cd359790255e6aecea9","name":"Michel-Alexandre Broekaert","registered_at":"2026-06-20T14:03:21Z","symbol":"NIM1627660","token_address":"0xbf53a72bf3894c319fd53481ea903a3d1ddbeecf","type":"artist","uuid":"b4782b1b-453c-4d77-b474-2afc2b2dde81"}
album: CellOpéra!
  type: MusicAlbum
  date published: 2022-10-12
  track: Eugene Onegin, Air du Prince Gremin, Piotr Ilitch Tchaikovski
    type: MusicRecording
    duration: PT5M22S
    duration ms: 322706
    explicit: false
    by artist: Pyotr Ilyich Tchaikovsky
    by artist: Gaetano Donizetti
    by artist: Richard Wagner
    by artist: André Gagnon
    by artist: Gabriel Fauré
    by artist: Ludwig van Beethoven
    by artist: George Gershwin
    by artist: Wolfgang Amadeus Mozart
    by artist: Léo Delibes
    by artist: Giacomo Puccini
    by artist: Vincenzo Bellini
    by artist: Duo Cavatine
    by artist: Noémie Raymond-Friset
    by artist: Michel-Alexandre Broekaert
    by artist: Noémie Raymond
    in album: CellOpéra!
      type: MusicAlbum
      date published: 2022-10-12
    popularity: 2
    isrc code: CA2NB2200001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-31T09:11:02+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x16dc6ff81b183eaa46010b484f2ec0bf02d25ff6050e1694d7ba719771f74c6c
    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/CA2NB2200001
    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 0x16dc6ff81b183eaa46010b484f2ec0bf02d25ff6050e1694d7ba719771f74c6c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200001 — a six-check JSON result.
      date published: 2026-07-31T09:25:34Z
    audio: Eugene Onegin, Air du Prince Gremin, Piotr Ilitch Tchaikovski
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 121.916
      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: 0.199
      additional property: Energy
        type: PropertyValue
        value: 0.015
      additional property: Speechiness
        type: PropertyValue
        value: 0.045
      additional property: Acousticness
        type: PropertyValue
        value: 0.99
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.955
      additional property: Liveness
        type: PropertyValue
        value: 0.1
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.067
      additional property: Loudness (dB)
        type: PropertyValue
        value: -33.625
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Nelligan, Le Vaisseau d'or, André Gagnon
    type: MusicRecording
    duration: PT3M51S
    duration ms: 231173
    explicit: false
    by artist: Pyotr Ilyich Tchaikovsky
    by artist: Gaetano Donizetti
    by artist: Richard Wagner
    by artist: André Gagnon
    by artist: Gabriel Fauré
    by artist: Ludwig van Beethoven
    by artist: George Gershwin
    by artist: Wolfgang Amadeus Mozart
    by artist: Léo Delibes
    by artist: Giacomo Puccini
    by artist: Vincenzo Bellini
    by artist: Duo Cavatine
    by artist: Noémie Raymond-Friset
    by artist: Michel-Alexandre Broekaert
    by artist: Noémie Raymond
    in album: CellOpéra!
      type: MusicAlbum
      date published: 2022-10-12
    popularity: 2
    isrc code: CA2NB2200002
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-07T09:09:33+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x11dbee84c5a752dbf8d572173d4b34db978d77cc7e688b77efce993930d827d6
    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/CA2NB2200002
    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 0x11dbee84c5a752dbf8d572173d4b34db978d77cc7e688b77efce993930d827d6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200002 — a six-check JSON result.
      date published: 2026-07-08T03:20:19Z
    audio: Nelligan, Le Vaisseau d'or, André Gagnon
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 108.562
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      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: Trois mélodies Op.7 No.1, Après un rêve, Gabriel Fauré
  track: 7 Variations sur Bei Männern, welche Liebe fühlen, Ludwig van Beethoven
  track: Porgy and Bess, Summertime, Gershwin
  track: Die Zauberflöte, Air de La reine de la nuit, Wolfgang Amadeus Mozart
  track: Lakmé, Duo des fleurs, Léo Delibes
  track: Gianni Schicchi, O mio babbino caro, Giacomo Puccini
  track: Norma, Casta Diva, Vincenzo Bellini
  track: L'elisir d'amore, Una furtiva lagrima, Gaetano Donizetti
  track: Tannhäuser, O du, mein holder Abendstern, Wagner

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 5

Danceability
type: PropertyValue
value: 0.166

Energy
type: PropertyValue
value: 0.042

Speechiness
type: PropertyValue
value: 0.043

Acousticness
type: PropertyValue
value: 0.984

Instrumentalness
type: PropertyValue
value: 0.695

Liveness
type: PropertyValue
value: 0.09

Valence (Positivity)
type: PropertyValue
value: 0.063

Loudness (dB)
type: PropertyValue
value: -27.835

Key Name
type: PropertyValue
value: Eb

Mode Name
type: PropertyValue
value: Major

Trois mélodies Op.7 No.1, Après un rêve, Gabriel Fauré
type: MusicRecording
duration: PT3M14S
duration ms: 194866
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Gaetano Donizetti
by artist: Richard Wagner
by artist: André Gagnon
by artist: Gabriel Fauré
by artist: Ludwig van Beethoven
by artist: George Gershwin
by artist: Wolfgang Amadeus Mozart
by artist: Léo Delibes
by artist: Giacomo Puccini
by artist: Vincenzo Bellini
by artist: Duo Cavatine
by artist: Noémie Raymond-Friset
by artist: Michel-Alexandre Broekaert
by artist: Noémie Raymond
in album: CellOpéra!
  type: MusicAlbum
  date published: 2022-10-12
popularity: 2
isrc code: CA2NB2200003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T00:18:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfe4123f7f833f74ee5d17fa6201b2bc14c44f7587b49f68bdb74ee78cd87cf6c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200003
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
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 0xfe4123f7f833f74ee5d17fa6201b2bc14c44f7587b49f68bdb74ee78cd87cf6c. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200003 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Trois mélodies Op.7 No.1, Après un rêve, Gabriel Fauré
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.899
  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: 0.093
  additional property: Energy
    type: PropertyValue
    value: 0.04
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.961
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.261
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

7 Variations sur Bei Männern, welche Liebe fühlen, Ludwig van Beethoven
type: MusicRecording
duration: PT9M51S
duration ms: 591386
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Gaetano Donizetti
by artist: Richard Wagner
by artist: André Gagnon
by artist: Gabriel Fauré
by artist: Ludwig van Beethoven
by artist: George Gershwin
by artist: Wolfgang Amadeus Mozart
by artist: Léo Delibes
by artist: Giacomo Puccini
by artist: Vincenzo Bellini
by artist: Duo Cavatine
by artist: Noémie Raymond-Friset
by artist: Michel-Alexandre Broekaert
by artist: Noémie Raymond
in album: CellOpéra!
  type: MusicAlbum
  date published: 2022-10-12
popularity: 1
isrc code: CA2NB2200004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T03:54:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf8e04597d53fb39c75cdf82c856c5cd92eaf2a8a38d9c451a29f7837247488e0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960344
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960344
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200004
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T04:14:58Z
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 0xf8e04597d53fb39c75cdf82c856c5cd92eaf2a8a38d9c451a29f7837247488e0. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200004 — a six-check JSON result.
  date published: 2026-07-31T04:14:58Z
audio: 7 Variations sur Bei Männern, welche Liebe fühlen, Ludwig van Beethoven
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.657
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.27
  additional property: Energy
    type: PropertyValue
    value: 0.021
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.874
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.223
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.826
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Porgy and Bess, Summertime, Gershwin
type: MusicRecording
duration: PT2M54S
duration ms: 174360
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Gaetano Donizetti
by artist: Richard Wagner
by artist: André Gagnon
by artist: Gabriel Fauré
by artist: Ludwig van Beethoven
by artist: George Gershwin
by artist: Wolfgang Amadeus Mozart
by artist: Léo Delibes
by artist: Giacomo Puccini
by artist: Vincenzo Bellini
by artist: Duo Cavatine
by artist: Noémie Raymond-Friset
by artist: Michel-Alexandre Broekaert
by artist: Noémie Raymond
in album: CellOpéra!
  type: MusicAlbum
  date published: 2022-10-12
popularity: 1
isrc code: CA2NB2200005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:34:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc44121d80b5a27a4e4e722e96eebedc6e07fe2245cfa681000f777d69d80e71b
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/CA2NB2200005
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 0xc44121d80b5a27a4e4e722e96eebedc6e07fe2245cfa681000f777d69d80e71b. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200005 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Porgy and Bess, Summertime, Gershwin
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.767
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.217
  additional property: Energy
    type: PropertyValue
    value: 0.013
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.871
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.087
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.601
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Die Zauberflöte, Air de La reine de la nuit, Wolfgang Amadeus Mozart
type: MusicRecording
duration: PT2M53S
duration ms: 173866
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Gaetano Donizetti
by artist: Richard Wagner
by artist: André Gagnon
by artist: Gabriel Fauré
by artist: Ludwig van Beethoven
by artist: George Gershwin
by artist: Wolfgang Amadeus Mozart
by artist: Léo Delibes
by artist: Giacomo Puccini
by artist: Vincenzo Bellini
by artist: Duo Cavatine
by artist: Noémie Raymond-Friset
by artist: Michel-Alexandre Broekaert
by artist: Noémie Raymond
in album: CellOpéra!
  type: MusicAlbum
  date published: 2022-10-12
popularity: 1
isrc code: CA2NB2200006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T04:25:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x07698f292e53484fce1f260cca25055ae33f19486864d32ca8361fdd3a15be1b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200006
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T04:52:22Z
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 0x07698f292e53484fce1f260cca25055ae33f19486864d32ca8361fdd3a15be1b. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200006 — a six-check JSON result.
  date published: 2026-08-01T04:52:22Z
audio: Die Zauberflöte, Air de La reine de la nuit, Wolfgang Amadeus Mozart
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 151.217
  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: 0.408
  additional property: Energy
    type: PropertyValue
    value: 0.082
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.833
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.414
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.346
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lakmé, Duo des fleurs, Léo Delibes
type: MusicRecording
duration: PT4M37S
duration ms: 277760
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Gaetano Donizetti
by artist: Richard Wagner
by artist: André Gagnon
by artist: Gabriel Fauré
by artist: Ludwig van Beethoven
by artist: George Gershwin
by artist: Wolfgang Amadeus Mozart
by artist: Léo Delibes
by artist: Giacomo Puccini
by artist: Vincenzo Bellini
by artist: Duo Cavatine
by artist: Noémie Raymond-Friset
by artist: Michel-Alexandre Broekaert
by artist: Noémie Raymond
in album: CellOpéra!
  type: MusicAlbum
  date published: 2022-10-12
popularity: 3
isrc code: CA2NB2200007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T06:24:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2d39ac38ba02891f7e56f760d068b22bdab388aba1e0460b2ecd10b8a28e5df9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960216
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12Z
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 0x2d39ac38ba02891f7e56f760d068b22bdab388aba1e0460b2ecd10b8a28e5df9. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200007 — a six-check JSON result.
  date published: 2026-07-30T06:39:12Z
audio: Lakmé, Duo des fleurs, Léo Delibes
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.372
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.229
  additional property: Energy
    type: PropertyValue
    value: 0.024
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.546
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.068
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.685
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gianni Schicchi, O mio babbino caro, Giacomo Puccini
type: MusicRecording
duration: PT2M25S
duration ms: 145240
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Gaetano Donizetti
by artist: Richard Wagner
by artist: André Gagnon
by artist: Gabriel Fauré
by artist: Ludwig van Beethoven
by artist: George Gershwin
by artist: Wolfgang Amadeus Mozart
by artist: Léo Delibes
by artist: Giacomo Puccini
by artist: Vincenzo Bellini
by artist: Duo Cavatine
by artist: Noémie Raymond-Friset
by artist: Michel-Alexandre Broekaert
by artist: Noémie Raymond
in album: CellOpéra!
  type: MusicAlbum
  date published: 2022-10-12
popularity: 1
isrc code: CA2NB2200008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:56:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x14b0fc0cba6ec8c5c9dbe7714e81190b183246c15629406cadbb71e9e1787829
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/CA2NB2200008
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 0x14b0fc0cba6ec8c5c9dbe7714e81190b183246c15629406cadbb71e9e1787829. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200008 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Gianni Schicchi, O mio babbino caro, Giacomo Puccini
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.924
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.095
  additional property: Energy
    type: PropertyValue
    value: 0.01
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.893
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.08
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.442
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Norma, Casta Diva, Vincenzo Bellini
type: MusicRecording
duration: PT6M26S
duration ms: 386640
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Gaetano Donizetti
by artist: Richard Wagner
by artist: André Gagnon
by artist: Gabriel Fauré
by artist: Ludwig van Beethoven
by artist: George Gershwin
by artist: Wolfgang Amadeus Mozart
by artist: Léo Delibes
by artist: Giacomo Puccini
by artist: Vincenzo Bellini
by artist: Duo Cavatine
by artist: Noémie Raymond-Friset
by artist: Michel-Alexandre Broekaert
by artist: Noémie Raymond
in album: CellOpéra!
  type: MusicAlbum
  date published: 2022-10-12
popularity: 1
isrc code: CA2NB2200009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:49:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc6a537e4b6f3a0e7445e47f85d05c05883613840b3cde4ead52618b845c5f958
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18Z
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 0xc6a537e4b6f3a0e7445e47f85d05c05883613840b3cde4ead52618b845c5f958. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200009 — a six-check JSON result.
  date published: 2026-07-31T15:59:18Z
audio: Norma, Casta Diva, Vincenzo Bellini
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.846
  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: 0.14
  additional property: Energy
    type: PropertyValue
    value: 0.034
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.765
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.048
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.758
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'elisir d'amore, Una furtiva lagrima, Gaetano Donizetti
type: MusicRecording
duration: PT4M14S
duration ms: 254973
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Gaetano Donizetti
by artist: Richard Wagner
by artist: André Gagnon
by artist: Gabriel Fauré
by artist: Ludwig van Beethoven
by artist: George Gershwin
by artist: Wolfgang Amadeus Mozart
by artist: Léo Delibes
by artist: Giacomo Puccini
by artist: Vincenzo Bellini
by artist: Duo Cavatine
by artist: Noémie Raymond-Friset
by artist: Michel-Alexandre Broekaert
by artist: Noémie Raymond
in album: CellOpéra!
  type: MusicAlbum
  date published: 2022-10-12
popularity: 1
isrc code: CA2NB2200010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T17:38:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcad41200fa2a2ea9b045deb1a2bc244148a053c1aedee4e6cfacd9cce89b7a13
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
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 0xcad41200fa2a2ea9b045deb1a2bc244148a053c1aedee4e6cfacd9cce89b7a13. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200010 — a six-check JSON result.
  date published: 2026-07-31T18:48:12Z
audio: L'elisir d'amore, Una furtiva lagrima, Gaetano Donizetti
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.575
  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: 0.143
  additional property: Energy
    type: PropertyValue
    value: 0.024
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.874
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.058
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.06
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tannhäuser, O du, mein holder Abendstern, Wagner
type: MusicRecording
duration: PT6M38S
duration ms: 398053
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Gaetano Donizetti
by artist: Richard Wagner
by artist: André Gagnon
by artist: Gabriel Fauré
by artist: Ludwig van Beethoven
by artist: George Gershwin
by artist: Wolfgang Amadeus Mozart
by artist: Léo Delibes
by artist: Giacomo Puccini
by artist: Vincenzo Bellini
by artist: Duo Cavatine
by artist: Noémie Raymond-Friset
by artist: Michel-Alexandre Broekaert
by artist: Noémie Raymond
in album: CellOpéra!
  type: MusicAlbum
  date published: 2022-10-12
popularity: 1
isrc code: CA2NB2200011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:11:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0a038026a1275a71881602d441fc3fc37a5386a30adc5a992d55fd5cabf5f97d
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/CA2NB2200011
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 0x0a038026a1275a71881602d441fc3fc37a5386a30adc5a992d55fd5cabf5f97d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA2NB2200011 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tannhäuser, O du, mein holder Abendstern, Wagner
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.157
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.075
  additional property: Energy
    type: PropertyValue
    value: 0.006
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.907
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.681
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major