Annemarie Kremer
type: MusicGroup
genre: choral
description: Annemarie Kremer (born 2 June 1974) is a Dutch operatic soprano, known for her performances in the title roles of Norma, Tosca, and Salome and as Vitellia in La clemenza di Tito. She has appeared at a
popularity: 5
followers: 129
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2af649b57a4d1e68bf8d0fd183399e35ff096c3e845fab997251a05d0f3f9a2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954555
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954555
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/af5fc68b-4cb1-47e5-b8b7-edfc517db7a8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/af5fc68b-4cb1-47e5-b8b7-edfc517db7a8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/af5fc68b-4cb1-47e5-b8b7-edfc517db7a8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T12:10:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2af649b57a4d1e68bf8d0fd183399e35ff096c3e845fab997251a05d0f3f9a2f","name":"Annemarie Kremer","registered_at":"2026-06-20T11:07:06Z","symbol":"NIM1601303","token_address":"0xf2f7ab1d82a341d0165c27a9dedad915b3d489fc","type":"artist","uuid":"af5fc68b-4cb1-47e5-b8b7-edfc517db7a8"}
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 0x2af649b57a4d1e68bf8d0fd183399e35ff096c3e845fab997251a05d0f3f9a2f. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/af5fc68b-4cb1-47e5-b8b7-edfc517db7a8.json and https://artists.proofprofile.net/proofs/artist/af5fc68b-4cb1-47e5-b8b7-edfc517db7a8.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-20T12:10:20Z
  text: {"copyright_id":"0x2af649b57a4d1e68bf8d0fd183399e35ff096c3e845fab997251a05d0f3f9a2f","name":"Annemarie Kremer","registered_at":"2026-06-20T11:07:06Z","symbol":"NIM1601303","token_address":"0xf2f7ab1d82a341d0165c27a9dedad915b3d489fc","type":"artist","uuid":"af5fc68b-4cb1-47e5-b8b7-edfc517db7a8"}
album: Beethoven: Symphony No. 9 - Complete Symphonies, Vol. 5
  type: MusicAlbum
  date published: 2012-01-20
album: Choral Classics: Mendelssohn (Sacred Choral Works)
  type: MusicAlbum
  date published: 2011
  track: The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: I. Coro
    type: MusicRecording
    duration: PT5M16S
    duration ms: 316615
    explicit: false
    by artist: Felix Mendelssohn
    by artist: Chamber Choir Of Europe
    by artist: Nicol Matt
    by artist: Württembergische Philharmonie Reutlingen
    in album: Choral Classics: Mendelssohn (Sacred Choral Works)
      type: MusicAlbum
      date published: 2011
    genre: classical
    genre: early-romantic-era
    genre: german-romanticism
    genre: classical-piano
    genre: choral
    genre: chamber-music
    isrc code: NLY331106628
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-31T02:30:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdb975e02a9411280a07e947b501d51250a79a25e626e4d8a7a714b396621b7c4
    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/NLY331106628
    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 0xdb975e02a9411280a07e947b501d51250a79a25e626e4d8a7a714b396621b7c4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331106628 — a six-check JSON result.
      date published: 2026-07-31T02:51:48Z
    audio: The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: I. Coro
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 108.66
      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: 0.106
      additional property: Energy
        type: PropertyValue
        value: 0.09
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.987
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.871
      additional property: Liveness
        type: PropertyValue
        value: 0.115
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.038
      additional property: Loudness (dB)
        type: PropertyValue
        value: -24.274
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: II. Aria
    type: MusicRecording
    duration: PT2M17S
    duration ms: 137733
    explicit: false
    by artist: Felix Mendelssohn
    by artist: Nicol Matt
    by artist: Württembergische Philharmonie Reutlingen
    in album: Choral Classics: Mendelssohn (Sacred Choral Works)
      type: MusicAlbum
      date published: 2011
    genre: classical
    genre: early-romantic-era
    genre: german-romanticism
    genre: classical-piano
    genre: choral
    genre: chamber-music
    isrc code: NLY331106629
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-07T19:21:41+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2a6687d5541c2b37d7082d850a6b9704bc564ff76ba3931b191d366f0c00c03b
    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/NLY331106629
    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 0x2a6687d5541c2b37d7082d850a6b9704bc564ff76ba3931b191d366f0c00c03b. 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/NLY331106629 — a six-check JSON result.
      date published: 2026-07-08T03:22:41Z
    audio: The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: II. Aria
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 50
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      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: The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: III. Recitativo. Aria
  track: The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: IV. Coro
  track: The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: V. Recitativo
  track: The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: VI. Quintetto
  track: The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: VII. Schlusschor
  track: Psalm 95 'Kommt, laßt uns anbeten', Op. 46: I. Coro
  track: The 8 Chorale Cantatas, Chorale Cantata No. 1 'Ach Gott, vom Himmel sieh darein': IV. Chorale
album: Mozart
album: Mozart: Concert Arias Complete
album: Ave Maria: Marian Hymns
album: Mozart: Requiem, Litanies & Vespers
album: Mozart: Liturgical Works
album: Mozart: Sacred Choral Works, Vol. 2
album: Mozart: Sacred Choral Works, Vol. 1
album: Mozart: Mass in C Minor
album: Mozart Edition Volume 15
album: Mozart: The Great Masses
album: Great Mass
album: Mozart, The Master Works Part: 37
album: Choral Works (Complete) Part: 3
album: Choral Works (Complete) Part: 2
album: Mendelssohn, The Master Works Part: 28
album: Korngold: Violanta, Op. 8 (Live)
album: Korngold: Das Wunder der Heliane, Op. 20
album: Mozart: Sacred Music, Vol. 3
album: Mozart: Sacred Music, Vol. 1
album: Mozart: Sacred Music, Vol. 2
album: Mozart: Complete Concert Arias, Vol. 2

Danceability
type: PropertyValue
value: 0

Energy
type: PropertyValue
value: 0.037

Speechiness
type: PropertyValue
value: 0

Acousticness
type: PropertyValue
value: 0.949

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.218

Valence (Positivity)
type: PropertyValue
value: 0

Loudness (dB)
type: PropertyValue
value: -28.119

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor

The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: III. Recitativo. Aria
type: MusicRecording
duration: PT2M49S
duration ms: 169000
explicit: false
by artist: Felix Mendelssohn
by artist: Chamber Choir Of Europe
by artist: Nicol Matt
by artist: Württembergische Philharmonie Reutlingen
by artist: Isabelle Müller-Cant
in album: Choral Classics: Mendelssohn (Sacred Choral Works)
  type: MusicAlbum
  date published: 2011
genre: classical
genre: early-romantic-era
genre: german-romanticism
genre: classical-piano
genre: choral
genre: chamber-music
isrc code: NLY331106630
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T20:51:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2b15e1a5a968fe458d4bd1e65e4e770bed3b883df643b3337026b13a918a9194
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960468
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960468
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331106630
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T21:25:57Z
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 0x2b15e1a5a968fe458d4bd1e65e4e770bed3b883df643b3337026b13a918a9194. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/NLY331106630 — a six-check JSON result.
  date published: 2026-07-31T21:25:57Z
audio: The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: III. Recitativo. Aria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.736
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.306
  additional property: Energy
    type: PropertyValue
    value: 0.143
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.185
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.807
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: IV. Coro
type: MusicRecording
duration: PT1M47S
duration ms: 107186
explicit: false
by artist: Felix Mendelssohn
by artist: Chamber Choir Of Europe
by artist: Nicol Matt
by artist: Württembergische Philharmonie Reutlingen
in album: Choral Classics: Mendelssohn (Sacred Choral Works)
  type: MusicAlbum
  date published: 2011
genre: classical
genre: early-romantic-era
genre: german-romanticism
genre: classical-piano
genre: choral
genre: chamber-music
isrc code: NLY331106631
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:25:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46a5a5f43f0f4181533a70ece86e20dc3e77904960b3f3017fabfd06d7482c67
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/NLY331106631
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 0x46a5a5f43f0f4181533a70ece86e20dc3e77904960b3f3017fabfd06d7482c67. 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/NLY331106631 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: IV. Coro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.778
  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: 0.239
  additional property: Energy
    type: PropertyValue
    value: 0.089
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.92
  additional property: Liveness
    type: PropertyValue
    value: 0.202
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.085
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.358
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: V. Recitativo
type: MusicRecording
duration: PT1M25S
duration ms: 85733
explicit: false
by artist: Felix Mendelssohn
by artist: Chamber Choir Of Europe
by artist: Nicol Matt
by artist: Württembergische Philharmonie Reutlingen
by artist: Isabelle Müller-Cant
in album: Choral Classics: Mendelssohn (Sacred Choral Works)
  type: MusicAlbum
  date published: 2011
genre: classical
genre: early-romantic-era
genre: german-romanticism
genre: classical-piano
genre: choral
genre: chamber-music
isrc code: NLY331106632
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:06:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xccb611036fce2c1de1b38d8593f353635e39cc931144944cb2b514b7f5e6e7f3
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/NLY331106632
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 0xccb611036fce2c1de1b38d8593f353635e39cc931144944cb2b514b7f5e6e7f3. 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/NLY331106632 — a six-check JSON result.
  date published: 2026-07-31T18:48:12Z
audio: The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: V. Recitativo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.544
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.387
  additional property: Energy
    type: PropertyValue
    value: 0.066
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.076
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.083
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.232
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: VI. Quintetto
type: MusicRecording
duration: PT3M36S
duration ms: 216906
explicit: false
by artist: Felix Mendelssohn
by artist: Chamber Choir Of Europe
by artist: Nicol Matt
by artist: Württembergische Philharmonie Reutlingen
by artist: Isabelle Müller-Cant
by artist: Daniel Sans
by artist: Gerhard Nennemann
by artist: Manfred Bittner
by artist: Christof Fischesser
in album: Choral Classics: Mendelssohn (Sacred Choral Works)
  type: MusicAlbum
  date published: 2011
genre: classical
genre: early-romantic-era
genre: german-romanticism
genre: classical-piano
genre: choral
genre: chamber-music
isrc code: NLY331106633
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:45:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6f99173cb407c6a16f97b1061575d94afb1de7a4a953d9c2f3320e420c912427
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331106633
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f99173cb407c6a16f97b1061575d94afb1de7a4a953d9c2f3320e420c912427. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331106633 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: VI. Quintetto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.024
  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: 0.231
  additional property: Energy
    type: PropertyValue
    value: 0.132
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.352
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.223
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.32
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: VII. Schlusschor
type: MusicRecording
duration: PT4M22S
duration ms: 262163
explicit: false
by artist: Felix Mendelssohn
by artist: Chamber Choir Of Europe
by artist: Nicol Matt
by artist: Württembergische Philharmonie Reutlingen
in album: Choral Classics: Mendelssohn (Sacred Choral Works)
  type: MusicAlbum
  date published: 2011
genre: classical
genre: early-romantic-era
genre: german-romanticism
genre: classical-piano
genre: choral
genre: chamber-music
isrc code: NLY331106634
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T00:55:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b80349b38715e82681654fd1ed955404a216352ce3415190425ba9acf9e26e2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960494
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960494
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331106634
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T01:44:32Z
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 0x0b80349b38715e82681654fd1ed955404a216352ce3415190425ba9acf9e26e2. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/NLY331106634 — a six-check JSON result.
  date published: 2026-08-01T01:44:32Z
audio: The 5 Psalm Cantatas, Psalm 42 'Wie der Hirsch schreit', Op. 42: VII. Schlusschor
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.578
  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: 0.278
  additional property: Energy
    type: PropertyValue
    value: 0.21
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.811
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.153
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.041
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Psalm 95 'Kommt, laßt uns anbeten', Op. 46: I. Coro
type: MusicRecording
duration: PT5M6S
duration ms: 306687
explicit: false
by artist: Felix Mendelssohn
by artist: Chamber Choir Of Europe
by artist: Nicol Matt
by artist: Württembergische Philharmonie Reutlingen
by artist: Daniel Sans
in album: Choral Classics: Mendelssohn (Sacred Choral Works)
  type: MusicAlbum
  date published: 2011
genre: classical
genre: early-romantic-era
genre: german-romanticism
genre: classical-piano
genre: choral
genre: chamber-music
isrc code: NLY331106635
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:24:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1a61e8b9d8bbf0abd7962ab7e23f43812968e0a484e0512b53a5092a523dae9d
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/NLY331106635
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 0x1a61e8b9d8bbf0abd7962ab7e23f43812968e0a484e0512b53a5092a523dae9d. 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/NLY331106635 — a six-check JSON result.
  date published: 2026-07-31T15:59:18Z
audio: Psalm 95 'Kommt, laßt uns anbeten', Op. 46: I. Coro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.879
  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: 0.25
  additional property: Energy
    type: PropertyValue
    value: 0.059
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.078
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.836
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

The 8 Chorale Cantatas, Chorale Cantata No. 1 'Ach Gott, vom Himmel sieh darein': IV. Chorale
type: MusicRecording
duration: PT1M20S
duration ms: 80274
explicit: false
by artist: Felix Mendelssohn
by artist: Chamber Choir Of Europe
by artist: Nicol Matt
by artist: Württembergische Philharmonie Reutlingen
in album: Choral Classics: Mendelssohn (Sacred Choral Works)
  type: MusicAlbum
  date published: 2011
genre: classical
genre: early-romantic-era
genre: german-romanticism
genre: classical-piano
genre: choral
genre: chamber-music
isrc code: NLY331106655
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T07:53:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9717f1e33a9e7452daa952f97d9b9aeca35ac1dcafe64add20c140d3ff647345
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331106655
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
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 0x9717f1e33a9e7452daa952f97d9b9aeca35ac1dcafe64add20c140d3ff647345. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/NLY331106655 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: The 8 Chorale Cantatas, Chorale Cantata No. 1 'Ach Gott, vom Himmel sieh darein': IV. Chorale
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.057
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.248
  additional property: Energy
    type: PropertyValue
    value: 0.193
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.891
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.447
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.46
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mozart
type: MusicAlbum
date published: 2006
track: 27 janvier 1756
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151146
  explicit: false
  by artist: Gallimard Jeunesse
  by artist: Jacques Bonnaffé
  by artist: Wolfgang Sobotka
  by artist: Capella Istropolitana
  in album: Mozart
    type: MusicAlbum
    date published: 2006
  isrc code: FR8Z02000074
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T01:08:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0ac047f5629fec512c683bd0d260ede8ac8ad4792725ef4cd9a8c40835c2b595
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960185
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960185
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000074
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T01:32:48Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ac047f5629fec512c683bd0d260ede8ac8ad4792725ef4cd9a8c40835c2b595. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000074 — a six-check JSON result.
    date published: 2026-07-30T01:32:48Z
  audio: 27 janvier 1756
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 141.251
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.608
    additional property: Energy
      type: PropertyValue
      value: 0.309
    additional property: Speechiness
      type: PropertyValue
      value: 0.056
    additional property: Acousticness
      type: PropertyValue
      value: 0.727
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.033
    additional property: Liveness
      type: PropertyValue
      value: 0.097
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.623
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.502
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ah ! Vous dirai-je, maman
  type: MusicRecording
  duration: PT1M33S
  duration ms: 93600
  explicit: false
  by artist: Gallimard Jeunesse
  by artist: Jacques Bonnaffé
  by artist: François Bettencourt
  in album: Mozart
    type: MusicAlbum
    date published: 2006
  isrc code: FR8Z02000076
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T03:41:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1c4370a4dd252f2ae413bd9a90d20acbace94c80de06138b520e63bc751f4e30
  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/FR8Z02000076
  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 0x1c4370a4dd252f2ae413bd9a90d20acbace94c80de06138b520e63bc751f4e30. 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/FR8Z02000076 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Ah ! Vous dirai-je, maman
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.541
    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
      type: PropertyValue
      value: 0.59
    additional property: Energy
      type: PropertyValue
      value: 0.218
    additional property: Speechiness
      type: PropertyValue
      value: 0.12
    additional property: Acousticness
      type: PropertyValue
      value: 0.627
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.671
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.977
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Menuet pour piano
  type: MusicRecording
  duration: PT1M29S
  duration ms: 89853
  explicit: false
  by artist: Gallimard Jeunesse
  by artist: Jacques Bonnaffé
  by artist: François Bettencourt
  in album: Mozart
    type: MusicAlbum
    date published: 2006
  isrc code: FR8Z02000078
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T21:03:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x894a39f338a8d8086cd5753533e2a56adc5fb2e5a78dde9f4927cc4b9d1f6c0f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960317
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Menuet pour piano
track: Cassation en Sol
track: L'oreille de Mozart
track: Trio piano violon violoncelle
track: Le grand voyage
track: Sonate en Do Majeur dite sonate facile
track: Le séjour anglais
track: Gigue en Sol Majeur
track: Les soucis commencent
track: Bastien et Bastienne
track: En route pour l'Italie
track: Divertimento en Ré Majeur
track: Exultate Jubilate
track: Sonate pour piano en Fa Majeur
track: Concerto jeune homme
track: Mozart amoureux
track: Rondo pour piano en La Majeur
track: Concerto pour flûte et harpe
track: Sonate pour piano et violon
track: La tragédie de Paris
track: Sonate pour piano en La Mineur
track: Fuir Salzbourg
track: Messe solennelle en Ut Majeur, dite messe du couronnement
track: Sérénade Gran Partita
track: Enfin libre !
track: Symphonie Haffner
track: Petites joies et grands chagrins
track: Messe solennelle en Ut Mineur
track: Cher papa Haydn
track: L'opéra scandaleux
track: Les Noces de Figaro
track: Chère Madame la Mort
track: Quintette à deux altos
track: Don Juan
track: Symphonie Jupiter
track: Coso fan tutte
track: Quintette avec clarinette
track: Requiem
track: La flûte enchantée, air de la reine de la Nuit

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960317

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000078

OTSTimestamp
type: PropertyValue
value: 2026-07-30T21:35:24Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x894a39f338a8d8086cd5753533e2a56adc5fb2e5a78dde9f4927cc4b9d1f6c0f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000078 — a six-check JSON result.
date published: 2026-07-30T21:35:24Z

Menuet pour piano
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 143.005
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
  type: PropertyValue
  value: 0.561
additional property: Energy
  type: PropertyValue
  value: 0.126
additional property: Speechiness
  type: PropertyValue
  value: 0.389
additional property: Acousticness
  type: PropertyValue
  value: 0.855
additional property: Instrumentalness
  type: PropertyValue
  value: 0.001
additional property: Liveness
  type: PropertyValue
  value: 0.125
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.772
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.683
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Cassation en Sol
type: MusicRecording
duration: PT1M26S
duration ms: 86786
explicit: false
by artist: Gallimard Jeunesse
by artist: Harald Nerat
by artist: Salzburg Chamber Orchestra
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000079
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T09:55:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3e33e80769b3ea19bfe98a47743f4e48594685d719b274d1b0fccadce260e4d0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960241
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960241
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000079
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:58:01Z
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 0x3e33e80769b3ea19bfe98a47743f4e48594685d719b274d1b0fccadce260e4d0. Chain 2 (Bitcoin): anchored in block 960241 (2026-07-30T09:58:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000079 — a six-check JSON result.
  date published: 2026-07-30T09:58:01Z
audio: Cassation en Sol
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.906
  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: 0.263
  additional property: Energy
    type: PropertyValue
    value: 0.099
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.871
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.033
  additional property: Liveness
    type: PropertyValue
    value: 0.305
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.226
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.166
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'oreille de Mozart
type: MusicRecording
duration: PT0M39S
duration ms: 39946
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:55:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x338b4133fdbcefad70c32221e923ab776826d91bc3b684384a8f2ec6bf59d7f3
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/FR8Z02000080
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 0x338b4133fdbcefad70c32221e923ab776826d91bc3b684384a8f2ec6bf59d7f3. 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/FR8Z02000080 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: L'oreille de Mozart
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.138
  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: 0.788
  additional property: Energy
    type: PropertyValue
    value: 0.245
  additional property: Speechiness
    type: PropertyValue
    value: 0.927
  additional property: Acousticness
    type: PropertyValue
    value: 0.376
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.18
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.59
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.578
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Trio piano violon violoncelle
type: MusicRecording
duration: PT1M59S
duration ms: 119413
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
by artist: The London Fortepiano Trio
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000081
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:04:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa0971b0f5d217cb9b6607fe644df14830aefeeaa1fd5eb7be4036722f2bad1c9
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/FR8Z02000081
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 0xa0971b0f5d217cb9b6607fe644df14830aefeeaa1fd5eb7be4036722f2bad1c9. 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/FR8Z02000081 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Trio piano violon violoncelle
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.199
  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: 0.488
  additional property: Energy
    type: PropertyValue
    value: 0.086
  additional property: Speechiness
    type: PropertyValue
    value: 0.13
  additional property: Acousticness
    type: PropertyValue
    value: 0.858
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.22
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.313
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.922
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le grand voyage
type: MusicRecording
duration: PT1M8S
duration ms: 68413
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000082
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:56:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe17a091997ef060c5a1423889157e50cffc1ffd2af7bd9caf2374d7b1697b6d7
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/FR8Z02000082
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 0xe17a091997ef060c5a1423889157e50cffc1ffd2af7bd9caf2374d7b1697b6d7. 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/FR8Z02000082 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Le grand voyage
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.829
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.778
  additional property: Energy
    type: PropertyValue
    value: 0.212
  additional property: Speechiness
    type: PropertyValue
    value: 0.915
  additional property: Acousticness
    type: PropertyValue
    value: 0.186
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.158
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.304
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.578
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonate en Do Majeur dite sonate facile
type: MusicRecording
duration: PT2M34S
duration ms: 154506
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
by artist: François Bettencourt
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000083
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T21:45:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0db166f92375e5c3c8c62b0fcfd1588b4ea3c06ba822f4e6ebf438b2ebaef39b
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/FR8Z02000083
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 0x0db166f92375e5c3c8c62b0fcfd1588b4ea3c06ba822f4e6ebf438b2ebaef39b. 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/FR8Z02000083 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Sonate en Do Majeur dite sonate facile
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.388
  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
    type: PropertyValue
    value: 0.428
  additional property: Energy
    type: PropertyValue
    value: 0.142
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.479
  additional property: Liveness
    type: PropertyValue
    value: 0.127
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.773
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.293
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le séjour anglais
type: MusicRecording
duration: PT0M51S
duration ms: 51333
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000084
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T22:01:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x852dcfee920b5b2dfa0fbf7bbda7f29945fe2ee68703134713fc852bb413d458
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960321
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960321
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000084
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T22:27:30Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x852dcfee920b5b2dfa0fbf7bbda7f29945fe2ee68703134713fc852bb413d458. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000084 — a six-check JSON result.
  date published: 2026-07-30T22:27:30Z
audio: Le séjour anglais
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.069
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.689
  additional property: Energy
    type: PropertyValue
    value: 0.197
  additional property: Speechiness
    type: PropertyValue
    value: 0.908
  additional property: Acousticness
    type: PropertyValue
    value: 0.197
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.485
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.953
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gigue en Sol Majeur
type: MusicRecording
duration: PT1M13S
duration ms: 73933
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
by artist: François Bettencourt
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000085
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T13:15:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7f1ab0861be5ac608d70c8ba5a7a6ab64d875f92e40ea6e39dc5c03b7c9ea05b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960264
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000085
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f1ab0861be5ac608d70c8ba5a7a6ab64d875f92e40ea6e39dc5c03b7c9ea05b. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000085 — a six-check JSON result.
  date published: 2026-07-30T14:36:16Z
audio: Gigue en Sol Majeur
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.477
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.648
  additional property: Energy
    type: PropertyValue
    value: 0.338
  additional property: Speechiness
    type: PropertyValue
    value: 0.405
  additional property: Acousticness
    type: PropertyValue
    value: 0.925
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.077
  additional property: Liveness
    type: PropertyValue
    value: 0.131
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.973
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.916
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Les soucis commencent
type: MusicRecording
duration: PT1M18S
duration ms: 78413
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000086
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:30:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0173781964e93a238a65e7e31ccc0a28cb6e228ae63ac051c2f81385385da6db
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/FR8Z02000086
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 0x0173781964e93a238a65e7e31ccc0a28cb6e228ae63ac051c2f81385385da6db. 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/FR8Z02000086 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Les soucis commencent
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.256
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.618
  additional property: Energy
    type: PropertyValue
    value: 0.187
  additional property: Speechiness
    type: PropertyValue
    value: 0.888
  additional property: Acousticness
    type: PropertyValue
    value: 0.059
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.173
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.459
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.982
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bastien et Bastienne
type: MusicRecording
duration: PT1M56S
duration ms: 116826
explicit: false
by artist: Gallimard Jeunesse
by artist: Barry Wordsworth
by artist: Capella Istropolitana
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000087
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:06:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x02f8ca181e6d2d0ec994d128306c4ede96b0fd04fe592ebfc20831c01d9b2769
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/FR8Z02000087
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 0x02f8ca181e6d2d0ec994d128306c4ede96b0fd04fe592ebfc20831c01d9b2769. 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/FR8Z02000087 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Bastien et Bastienne
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.305
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.316
  additional property: Energy
    type: PropertyValue
    value: 0.139
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.702
  additional property: Liveness
    type: PropertyValue
    value: 0.186
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.336
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.94
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

En route pour l'Italie
type: MusicRecording
duration: PT1M10S
duration ms: 70920
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000088
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:39:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc2cbb0fddb6cb834d50cb1adc4ef98d1eda8a1eca34dffab312982c3a2b0598
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/FR8Z02000088
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 0xcc2cbb0fddb6cb834d50cb1adc4ef98d1eda8a1eca34dffab312982c3a2b0598. 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/FR8Z02000088 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: En route pour l'Italie
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.198
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.764
  additional property: Energy
    type: PropertyValue
    value: 0.263
  additional property: Speechiness
    type: PropertyValue
    value: 0.939
  additional property: Acousticness
    type: PropertyValue
    value: 0.095
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.172
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.54
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.913
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Divertimento en Ré Majeur
type: MusicRecording
duration: PT3M57S
duration ms: 237293
explicit: false
by artist: Gallimard Jeunesse
by artist: Capella Istropolitana
by artist: Richard Edlinger
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000089
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:06:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xae83b7ee78fa28a0cd89c158fb4054a5c3e23fe459b10d23542907ff96d35a95
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/FR8Z02000089
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 0xae83b7ee78fa28a0cd89c158fb4054a5c3e23fe459b10d23542907ff96d35a95. 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/FR8Z02000089 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Divertimento en Ré Majeur
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.882
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.425
  additional property: Energy
    type: PropertyValue
    value: 0.31
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.873
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.914
  additional property: Liveness
    type: PropertyValue
    value: 0.569
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.505
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.84
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Exultate Jubilate
type: MusicRecording
duration: PT2M54S
duration ms: 174413
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
by artist: Annemarie Kremer
by artist: Süddeutsches Kammerorchester Pforzheim
by artist: Nicol Matt
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000091
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:28:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb824fe09312123d7a7431954a4a00dfdce7db4f374e1190d5ca5da3b1e6fc459
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/FR8Z02000091
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 0xb824fe09312123d7a7431954a4a00dfdce7db4f374e1190d5ca5da3b1e6fc459. 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/FR8Z02000091 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Exultate Jubilate
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.551
  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: 0.514
  additional property: Energy
    type: PropertyValue
    value: 0.222
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.889
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.41
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.14
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonate pour piano en Fa Majeur
type: MusicRecording
duration: PT3M9S
duration ms: 189706
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
by artist: François Bettencourt
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000093
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T11:01:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x826337fdf1b4c8d4b0c13b8214c859e37745d7207e26aa22527f5f54941dd464
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/FR8Z02000093
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 0x826337fdf1b4c8d4b0c13b8214c859e37745d7207e26aa22527f5f54941dd464. 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/FR8Z02000093 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Sonate pour piano en Fa Majeur
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.863
  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
    type: PropertyValue
    value: 0.549
  additional property: Energy
    type: PropertyValue
    value: 0.1
  additional property: Speechiness
    type: PropertyValue
    value: 0.288
  additional property: Acousticness
    type: PropertyValue
    value: 0.934
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.023
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.659
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.017
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Concerto jeune homme
type: MusicRecording
duration: PT2M45S
duration ms: 165800
explicit: false
by artist: Gallimard Jeunesse
by artist: Jenő Jandó
by artist: Concentus Hungaricus
by artist: András Ligeti
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000094
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:40:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc3ab270e1e2bf323af60d6d988717416448eafc77664790e3f56ba9735a2e51f
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/FR8Z02000094
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 0xc3ab270e1e2bf323af60d6d988717416448eafc77664790e3f56ba9735a2e51f. 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/FR8Z02000094 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Concerto jeune homme
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.598
  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: 0.363
  additional property: Energy
    type: PropertyValue
    value: 0.166
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.942
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.867
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.365
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.6
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart amoureux
type: MusicRecording
duration: PT0M35S
duration ms: 35946
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000095
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:02:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x525ef7e2425457d5a372f5ad0927352ea9c2d530e1b566815b98e9f7b256b485
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/FR8Z02000095
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 0x525ef7e2425457d5a372f5ad0927352ea9c2d530e1b566815b98e9f7b256b485. 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/FR8Z02000095 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Mozart amoureux
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.265
  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
    type: PropertyValue
    value: 0.665
  additional property: Energy
    type: PropertyValue
    value: 0.201
  additional property: Speechiness
    type: PropertyValue
    value: 0.93
  additional property: Acousticness
    type: PropertyValue
    value: 0.213
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.135
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.662
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.134
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rondo pour piano en La Majeur
type: MusicRecording
duration: PT2M5S
duration ms: 125026
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
by artist: François Bettencourt
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000096
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:58:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x18980efe8fdeaa00fdacc6cc61ed359914873eef4fe25453710d2fdad8a2c44c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000096
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
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 0x18980efe8fdeaa00fdacc6cc61ed359914873eef4fe25453710d2fdad8a2c44c. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/FR8Z02000096 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: Rondo pour piano en La Majeur
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.824
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.589
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.085
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.068
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.373
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.395
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Concerto pour flûte et harpe
type: MusicRecording
duration: PT3M19S
duration ms: 199280
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
by artist: Katarina Andreasson
by artist: Swedish Chamber Orchestra
by artist: Fabrice Pierre
by artist: Patrick Gallois
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000097
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:06:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83ba07ddc5780ad3f474d277219be3493426b5ea75ec417c2823388e10471b7b
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/FR8Z02000097
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 0x83ba07ddc5780ad3f474d277219be3493426b5ea75ec417c2823388e10471b7b. 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/FR8Z02000097 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Concerto pour flûte et harpe
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.515
  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
    type: PropertyValue
    value: 0.464
  additional property: Energy
    type: PropertyValue
    value: 0.126
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.887
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.258
  additional property: Liveness
    type: PropertyValue
    value: 0.18
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.436
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.743
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonate pour piano et violon
type: MusicRecording
duration: PT1M51S
duration ms: 111186
explicit: false
by artist: Gallimard Jeunesse
by artist: Takako Nishizaki
by artist: Jenő Jandó
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000098
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T07:47:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce535f2c7ac5248e7f198b11dbac6e06972fd2552c10e055066ac25ffcfe443c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000098
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
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 0xce535f2c7ac5248e7f198b11dbac6e06972fd2552c10e055066ac25ffcfe443c. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/FR8Z02000098 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: Sonate pour piano et violon
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.53
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.357
  additional property: Energy
    type: PropertyValue
    value: 0.252
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.874
  additional property: Liveness
    type: PropertyValue
    value: 0.199
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.394
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.814
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

La tragédie de Paris
type: MusicRecording
duration: PT0M31S
duration ms: 31040
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000099
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:06:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfbac33d146a9188538ea842c58686d026acd6b6581b6501cca8af1ce329a1de7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000099
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
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 0xfbac33d146a9188538ea842c58686d026acd6b6581b6501cca8af1ce329a1de7. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/FR8Z02000099 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: La tragédie de Paris
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.426
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.785
  additional property: Energy
    type: PropertyValue
    value: 0.133
  additional property: Speechiness
    type: PropertyValue
    value: 0.865
  additional property: Acousticness
    type: PropertyValue
    value: 0.288
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.726
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.113
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sonate pour piano en La Mineur
type: MusicRecording
duration: PT2M28S
duration ms: 148986
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
by artist: Klára Würtz
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T22:09:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9139f00d79fa8abf5583257cf5c5bd9d8c1cbb7b19350f6b8ccb2acc83022f69
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960321
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960321
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T22:27:30Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9139f00d79fa8abf5583257cf5c5bd9d8c1cbb7b19350f6b8ccb2acc83022f69. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000100 — a six-check JSON result.
  date published: 2026-07-30T22:27:30Z
audio: Sonate pour piano en La Mineur
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.629
  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: 0.519
  additional property: Energy
    type: PropertyValue
    value: 0.135
  additional property: Speechiness
    type: PropertyValue
    value: 0.108
  additional property: Acousticness
    type: PropertyValue
    value: 0.929
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.012
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.644
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.377
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Fuir Salzbourg
type: MusicRecording
duration: PT0M37S
duration ms: 37573
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000101
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T08:17:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7c75bb995461168af5ebf5c8d17ede309b2cfd64fe0e13c72d78228abce04a84
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960370
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960370
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000101
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:38:45Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c75bb995461168af5ebf5c8d17ede309b2cfd64fe0e13c72d78228abce04a84. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000101 — a six-check JSON result.
  date published: 2026-07-31T08:38:45Z
audio: Fuir Salzbourg
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.903
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.766
  additional property: Energy
    type: PropertyValue
    value: 0.196
  additional property: Speechiness
    type: PropertyValue
    value: 0.914
  additional property: Acousticness
    type: PropertyValue
    value: 0.271
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.197
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.529
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.671
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Messe solennelle en Ut Majeur, dite messe du couronnement
type: MusicRecording
duration: PT2M45S
duration ms: 165413
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
by artist: Chamber Choir Of Europe
by artist: Süddeutsches Kammerorchester Pforzheim
by artist: Nicol Matt
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000102
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:30:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x47e630965d27b488133cea80e8bd1a1191fdc0a503e2b61032e064c96486b6d6
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/FR8Z02000102
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 0x47e630965d27b488133cea80e8bd1a1191fdc0a503e2b61032e064c96486b6d6. 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/FR8Z02000102 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Messe solennelle en Ut Majeur, dite messe du couronnement
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.75
  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
    type: PropertyValue
    value: 0.616
  additional property: Energy
    type: PropertyValue
    value: 0.183
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.713
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.023
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.562
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.022
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sérénade Gran Partita
type: MusicRecording
duration: PT2M59S
duration ms: 179333
explicit: false
by artist: Gallimard Jeunesse
by artist: The Albion Ensemble
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000103
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T18:22:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x217c7662b81fa20e2aa6fe44e8ad969a3bc5d1439854d566f4254aeb0e752345
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960294
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960294
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000103
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:46:00Z
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 0x217c7662b81fa20e2aa6fe44e8ad969a3bc5d1439854d566f4254aeb0e752345. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/FR8Z02000103 — a six-check JSON result.
  date published: 2026-07-30T18:46:00Z
audio: Sérénade Gran Partita
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 163.869
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.099
  additional property: Energy
    type: PropertyValue
    value: 0.108
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.903
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.049
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.625
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Enfin libre !
type: MusicRecording
duration: PT1M14S
duration ms: 74840
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:34:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99bfa80fdc8b52b49dfbf77dee2cce778cbd8cfccb7b44c3978f82a44a7043ea
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/FR8Z02000104
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 0x99bfa80fdc8b52b49dfbf77dee2cce778cbd8cfccb7b44c3978f82a44a7043ea. 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/FR8Z02000104 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Enfin libre !
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.391
  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: 0.72
  additional property: Energy
    type: PropertyValue
    value: 0.252
  additional property: Speechiness
    type: PropertyValue
    value: 0.816
  additional property: Acousticness
    type: PropertyValue
    value: 0.102
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.17
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.405
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.102
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphonie Haffner
type: MusicRecording
duration: PT2M59S
duration ms: 179693
explicit: false
by artist: Gallimard Jeunesse
by artist: Mozart Akademie Amsterdam
by artist: Jaap Ter Linden
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000105
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T18:14:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf2a7535fa0b7572537741884736c3c9dc4c22313c15950a392f1eb120b74205e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960291
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960291
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000105
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:23:33Z
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 0xf2a7535fa0b7572537741884736c3c9dc4c22313c15950a392f1eb120b74205e. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000105 — a six-check JSON result.
  date published: 2026-07-30T18:23:33Z
audio: Symphonie Haffner
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.201
  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: 0.334
  additional property: Energy
    type: PropertyValue
    value: 0.223
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.936
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.939
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.069
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.561
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Petites joies et grands chagrins
type: MusicRecording
duration: PT0M53S
duration ms: 53653
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:43:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a5eb682eef7874fa26ca97c9e6bdacdb3402dd22c46f963fa8b2b2495fec697
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000106
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 0x9a5eb682eef7874fa26ca97c9e6bdacdb3402dd22c46f963fa8b2b2495fec697. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/FR8Z02000106 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Petites joies et grands chagrins
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.339
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.719
  additional property: Energy
    type: PropertyValue
    value: 0.244
  additional property: Speechiness
    type: PropertyValue
    value: 0.899
  additional property: Acousticness
    type: PropertyValue
    value: 0.195
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.162
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.391
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.728
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Messe solennelle en Ut Mineur
type: MusicRecording
duration: PT2M14S
duration ms: 134733
explicit: false
by artist: Gallimard Jeunesse
by artist: Chamber Choir Of Europe
by artist: Camerata Academica Würzburg
by artist: Nicol Matt
by artist: Jacques Bonnaffé
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:36:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6220ccc292dbbff19439025f94cdd120865a3b71eabe57aab578af2fe63f7f3a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000107
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
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 0x6220ccc292dbbff19439025f94cdd120865a3b71eabe57aab578af2fe63f7f3a. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/FR8Z02000107 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Messe solennelle en Ut Mineur
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.262
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.349
  additional property: Energy
    type: PropertyValue
    value: 0.151
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.802
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.227
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.214
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.744
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Cher papa Haydn
type: MusicRecording
duration: PT1M8S
duration ms: 68400
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000108
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:53:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x021bc256f1cbbffde3f5bf85f415257c3d85a14629270db137c6daf0921e563b
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/FR8Z02000108
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 0x021bc256f1cbbffde3f5bf85f415257c3d85a14629270db137c6daf0921e563b. 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/FR8Z02000108 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Cher papa Haydn
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 163.346
  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: 0.631
  additional property: Energy
    type: PropertyValue
    value: 0.242
  additional property: Speechiness
    type: PropertyValue
    value: 0.937
  additional property: Acousticness
    type: PropertyValue
    value: 0.148
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.553
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.884
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'opéra scandaleux
type: MusicRecording
duration: PT0M46S
duration ms: 46160
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:40:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8f86e3ff1a8759d95928f8261e7ac9d45c5f8163e808c9ac01b8d980c13d32b3
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/FR8Z02000110
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 0x8f86e3ff1a8759d95928f8261e7ac9d45c5f8163e808c9ac01b8d980c13d32b3. 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/FR8Z02000110 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: L'opéra scandaleux
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.079
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.751
  additional property: Energy
    type: PropertyValue
    value: 0.298
  additional property: Speechiness
    type: PropertyValue
    value: 0.938
  additional property: Acousticness
    type: PropertyValue
    value: 0.21
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.152
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.467
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.552
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Les Noces de Figaro
type: MusicRecording
duration: PT1M52S
duration ms: 112386
explicit: false
by artist: Gallimard Jeunesse
by artist: Michael Halasz
by artist: Jacques Bonnaffé
by artist: Renato Girolami
by artist: Nicolaus Esterhazy Sinfonia
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000111
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:01:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf68c738d563b7ac3ffe2726e442bccccede0811c9f9a7c27d2c1ee6358bf4f15
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000111
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 0xf68c738d563b7ac3ffe2726e442bccccede0811c9f9a7c27d2c1ee6358bf4f15. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/FR8Z02000111 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Les Noces de Figaro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.027
  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
    type: PropertyValue
    value: 0.644
  additional property: Energy
    type: PropertyValue
    value: 0.21
  additional property: Speechiness
    type: PropertyValue
    value: 0.429
  additional property: Acousticness
    type: PropertyValue
    value: 0.885
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.263
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.762
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.385
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Chère Madame la Mort
type: MusicRecording
duration: PT0M54S
duration ms: 54533
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000112
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:40:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1cbe747734f821c6f21dbbfab128cdca38d7b562dd8022b2a05d1407b0727bb3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000112
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 0x1cbe747734f821c6f21dbbfab128cdca38d7b562dd8022b2a05d1407b0727bb3. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/FR8Z02000112 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Chère Madame la Mort
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.346
  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: 0.77
  additional property: Energy
    type: PropertyValue
    value: 0.195
  additional property: Speechiness
    type: PropertyValue
    value: 0.943
  additional property: Acousticness
    type: PropertyValue
    value: 0.37
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.127
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.486
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.223
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Quintette à deux altos
type: MusicRecording
duration: PT3M25S
duration ms: 205880
explicit: false
by artist: Gallimard Jeunesse
by artist: Salomon String Quartet
by artist: Jacques Bonnaffé
by artist: Simon Whistler
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000113
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:21:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb25c0982d4564cd02c81c6e77eda8dc78a6b57e883db2eb42d775e3c05d61d7a
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/FR8Z02000113
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 0xb25c0982d4564cd02c81c6e77eda8dc78a6b57e883db2eb42d775e3c05d61d7a. 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/FR8Z02000113 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Quintette à deux altos
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.858
  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: 0.409
  additional property: Energy
    type: PropertyValue
    value: 0.064
  additional property: Speechiness
    type: PropertyValue
    value: 0.074
  additional property: Acousticness
    type: PropertyValue
    value: 0.942
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.33
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.959
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Don Juan
type: MusicRecording
duration: PT3M0S
duration ms: 180746
explicit: false
by artist: Gallimard Jeunesse
by artist: Michael Halasz
by artist: Jacques Bonnaffé
by artist: Bo Skovhus
by artist: Nicolaus Esterhazy Sinfonia
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000115
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:04:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x139abc5e857646e9bcdea36e9b5099bbb0bcbf834005cce0c21290ba3d38611f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000115
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
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 0x139abc5e857646e9bcdea36e9b5099bbb0bcbf834005cce0c21290ba3d38611f. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/FR8Z02000115 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Don Juan
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.761
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.304
  additional property: Energy
    type: PropertyValue
    value: 0.31
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.863
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.165
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.644
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Symphonie Jupiter
type: MusicRecording
duration: PT3M51S
duration ms: 231320
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
by artist: Mozart Akademie Amsterdam
by artist: Jaap Ter Linden
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000117
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:21:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x091313759719183ba0c131612890008a51f64e849deffab0f296ad0a4f41924d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000117
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x091313759719183ba0c131612890008a51f64e849deffab0f296ad0a4f41924d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000117 — a six-check JSON result.
  date published: 2026-07-08T03:53:27Z
audio: Symphonie Jupiter
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.065
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.471
  additional property: Energy
    type: PropertyValue
    value: 0.098
  additional property: Speechiness
    type: PropertyValue
    value: 0.238
  additional property: Acousticness
    type: PropertyValue
    value: 0.682
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.131
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.137
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.403
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Coso fan tutte
type: MusicRecording
duration: PT3M2S
duration ms: 182186
explicit: false
by artist: Gallimard Jeunesse
by artist: Rohangiz Yachmi
by artist: Joanna Borowska
by artist: Capella Istropolitana
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000118
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:48:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x448f689a0a5802299ea0e35b641c8e07b58d13554fd9ffc284aa86d5edb66c7f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000118
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 0x448f689a0a5802299ea0e35b641c8e07b58d13554fd9ffc284aa86d5edb66c7f. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/FR8Z02000118 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Coso fan tutte
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.397
  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: 0.324
  additional property: Energy
    type: PropertyValue
    value: 0.194
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.915
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.134
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.138
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.622
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Quintette avec clarinette
type: MusicRecording
duration: PT4M29S
duration ms: 269453
explicit: false
by artist: Gallimard Jeunesse
by artist: Jacques Bonnaffé
by artist: Thea King
by artist: Gabrieli String Quartet
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T07:58:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9464cf6b177c7cb478c6f7059272d871d72f030b4118be786ea4ad77e3dce8fb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000120
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
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 0x9464cf6b177c7cb478c6f7059272d871d72f030b4118be786ea4ad77e3dce8fb. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/FR8Z02000120 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: Quintette avec clarinette
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 164.536
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.222
  additional property: Energy
    type: PropertyValue
    value: 0.017
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.906
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.01
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.076
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.295
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Requiem
type: MusicRecording
duration: PT2M58S
duration ms: 178853
explicit: false
by artist: Gallimard Jeunesse
by artist: Leipzig Chamber Orchestra
by artist: Morten Schuldt-Jensen
by artist: Gewandhaus Chamber Choir
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000121
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:53:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdd55d3753e7741cff74d22cfa667ea79f8eee8a71e5565689be4094c6fc8d3c2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000121
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
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 0xdd55d3753e7741cff74d22cfa667ea79f8eee8a71e5565689be4094c6fc8d3c2. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/FR8Z02000121 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Requiem
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.141
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.421
  additional property: Energy
    type: PropertyValue
    value: 0.406
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.204
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.26
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.318
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La flûte enchantée, air de la reine de la Nuit
type: MusicRecording
duration: PT3M9S
duration ms: 189613
explicit: false
by artist: Gallimard Jeunesse
by artist: Michael Halasz
by artist: Jacques Bonnaffé
by artist: Failoni Chamber Orchestra
by artist: Hellen Kwon
in album: Mozart
  type: MusicAlbum
  date published: 2006
isrc code: FR8Z02000123
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:41:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23005fa999f36b4a89ac6da7124172ab61573dc17485acbb15fb6f52670ff79c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR8Z02000123
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 0x23005fa999f36b4a89ac6da7124172ab61573dc17485acbb15fb6f52670ff79c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/FR8Z02000123 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: La flûte enchantée, air de la reine de la Nuit
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.478
  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: 0.492
  additional property: Energy
    type: PropertyValue
    value: 0.245
  additional property: Speechiness
    type: PropertyValue
    value: 0.091
  additional property: Acousticness
    type: PropertyValue
    value: 0.915
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.451
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.373
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.591
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Concert Arias Complete
type: MusicAlbum
date published: 2007
track: Vorrei spiegarvi, oh Dio, K. 418
  type: MusicRecording
  duration: PT6M13S
  duration ms: 373280
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Francine Van Der Heyden
  by artist: European Sinfonietta
  by artist: Ed Spanjaard
  in album: Mozart: Concert Arias Complete
    type: MusicAlbum
    date published: 2007
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: NLN580581224
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-08-01T00:46:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9f0a7c0130a8375fd7a4c3a0652d55bb98607b9cda3f93175289a69834730cf8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960494
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960494
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580581224
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-08-01T01:44:32Z
  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 0x9f0a7c0130a8375fd7a4c3a0652d55bb98607b9cda3f93175289a69834730cf8. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/NLN580581224 — a six-check JSON result.
    date published: 2026-08-01T01:44:32Z
  audio: Vorrei spiegarvi, oh Dio, K. 418
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.901
    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: 0.244
    additional property: Energy
      type: PropertyValue
      value: 0.034
    additional property: Speechiness
      type: PropertyValue
      value: 0.054
    additional property: Acousticness
      type: PropertyValue
      value: 0.955
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.033
    additional property: Liveness
      type: PropertyValue
      value: 0.092
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.103
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.797
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ich möchte wohl den Kaiser sein, K. 539
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160920
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: European Chamber Orchestra
  by artist: Wilhelm Keitel
  by artist: Ezio Maria Tisi
  in album: Mozart: Concert Arias Complete
    type: MusicAlbum
    date published: 2007
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: NLN580581253
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-29T18:23:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6ad1c6e9ed8e4cddf5ca645b02dbae60f26aa6daf3df90d81107dbcd6864611a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960138
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960138
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580581253
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T19:35:34Z
  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 0x6ad1c6e9ed8e4cddf5ca645b02dbae60f26aa6daf3df90d81107dbcd6864611a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580581253 — a six-check JSON result.
    date published: 2026-07-29T19:35:34Z
  audio: Ich möchte wohl den Kaiser sein, K. 539
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 116.581
    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: 0.64
    additional property: Energy
      type: PropertyValue
      value: 0.471
    additional property: Speechiness
      type: PropertyValue
      value: 0.072
    additional property: Acousticness
      type: PropertyValue
      value: 0.916
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.063
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.829
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.188
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Ave Maria: Marian Hymns
type: MusicAlbum
date published: 2020-09-25

Mozart: Requiem, Litanies & Vespers
type: MusicAlbum
date published: 2021-10-29
track: Requiem in D Minor, K. 626: III. Dies irae
  type: MusicRecording
  duration: PT1M58S
  duration ms: 118186
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Pamela Heuvelmans
  by artist: Barbara Werner
  by artist: Robert Morvaj
  by artist: Thomas Pfeiffer
  by artist: Chamber Choir Of Europe
  by artist: Südwestdeutsches Kammerorchester Pforzheim
  by artist: Nicol Matt
  in album: Mozart: Requiem, Litanies & Vespers
    type: MusicAlbum
    date published: 2021-10-29
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: NLY331411354
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T06:33:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x81e8dfcabecdc208638bc691deb66e907eef120bcf20335d61064c57c2d5a2cc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960218
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960218
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331411354
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T06:57:05Z
  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 0x81e8dfcabecdc208638bc691deb66e907eef120bcf20335d61064c57c2d5a2cc. Chain 2 (Bitcoin): anchored in block 960218 (2026-07-30T06:57:05Z), 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/NLY331411354 — a six-check JSON result.
    date published: 2026-07-30T06:57:05Z
  audio: Requiem in D Minor, K. 626: III. Dies irae
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 145.973
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.416
    additional property: Energy
      type: PropertyValue
      value: 0.317
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.96
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.178
    additional property: Liveness
      type: PropertyValue
      value: 0.5
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.301
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.859
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Mozart: Liturgical Works
type: MusicAlbum
date published: 2021-10-29
track: Misericordias Domini, K. 222
  type: MusicRecording
  duration: PT7M36S
  duration ms: 456000
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Nicol Matt
  by artist: Barbara Werner
  by artist: Manfred Bittner
  by artist: Daniel Schreiber
  by artist: Anja Tilch
  by artist: Teatro Armonico Stuttgart
  in album: Mozart: Liturgical Works
    type: MusicAlbum
    date published: 2021-10-29
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: NLY331411422
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T21:36:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf65b817700adadb0387d4ae2a7192ed05b80608da25b5dd564d091083d33ed0e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960321
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960321
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331411422
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T22:27:30Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf65b817700adadb0387d4ae2a7192ed05b80608da25b5dd564d091083d33ed0e. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331411422 — a six-check JSON result.
    date published: 2026-07-30T22:27:30Z
  audio: Misericordias Domini, K. 222
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.432
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.245
    additional property: Energy
      type: PropertyValue
      value: 0.169
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.956
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.089
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.14
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.197
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Alma Dei creatoris, K. 277
  type: MusicRecording
  duration: PT5M18S
  duration ms: 318826
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Teatro Armonico Stuttgart
  by artist: Nicol Matt
  in album: Mozart: Liturgical Works
    type: MusicAlbum
    date published: 2021-10-29
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: NLY331411424
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T20:43:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcb715f985773f46ce855ff1ab6a0d09a19132bed2cb9d5167a72cababf6f4e66
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960314
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960314
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331411424
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T21:00:46Z
  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 0xcb715f985773f46ce855ff1ab6a0d09a19132bed2cb9d5167a72cababf6f4e66. Chain 2 (Bitcoin): anchored in block 960314 (2026-07-30T21:00:46Z), 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/NLY331411424 — a six-check JSON result.
    date published: 2026-07-30T21:00:46Z
  audio: Alma Dei creatoris, K. 277
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.227
    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: 0.331
    additional property: Energy
      type: PropertyValue
      value: 0.163
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.972
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.113
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.188
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.142
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Mozart: Sacred Choral Works, Vol. 2
type: MusicAlbum
date published: 2011

Mozart: Sacred Choral Works, Vol. 1
type: MusicAlbum
date published: 2011

Mozart: Mass in C Minor
type: MusicAlbum
date published: 2009

Mozart Edition Volume 15
type: MusicAlbum
date published: 2007-03-28
track: Grosse Messe, Great Mass In C Minor Kv 427: Kyrie
  type: MusicRecording
  duration: PT7M24S
  duration ms: 444500
  explicit: false
  by artist: Nicol Matt
  by artist: Camerata Würzburg, Nordic Chamber Choir
  by artist: Valentina Farcas
  by artist: Reinhard Geller
  by artist: Daniel Sans
  by artist: Wolfgang Amadeus Mozart
  by artist: Jens Wollenschläger
  by artist: Christof Fischesser
  by artist: Annemarie Kremer
  in album: Mozart Edition Volume 15
    type: MusicAlbum
    date published: 2007-03-28
  genre: classical
  genre: choral
  genre: requiem
  isrc code: NLN580515558
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T09:52:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3ad9e47160a7ae65e02b1a14f5cea63f59370276bae6a54cbb36fee59151fb95
  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/NLN580515558
  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 0x3ad9e47160a7ae65e02b1a14f5cea63f59370276bae6a54cbb36fee59151fb95. 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/NLN580515558 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Grosse Messe, Great Mass In C Minor Kv 427: Kyrie
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.536
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.226
    additional property: Energy
      type: PropertyValue
      value: 0.111
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.968
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.237
    additional property: Liveness
      type: PropertyValue
      value: 0.067
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.042
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.935
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Missa Brevis In B Flat Major Kv 275: Kyrie
  type: MusicRecording
  duration: PT1M49S
  duration ms: 109250
  explicit: false
  by artist: Nicol Matt
  by artist: Anja Bittner
  by artist: Jens Wollenschläger
  by artist: Reinhard Geller
  by artist: Gabriele Wunderer
  by artist: Wolfgang Amadeus Mozart
  by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
  by artist: Robert Morvaj
  by artist: Manfred Bittner
  in album: Mozart Edition Volume 15
    type: MusicAlbum
    date published: 2007-03-28
  genre: classical
  genre: choral
  genre: requiem
  isrc code: NLN580515585
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T16:20:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2304e74ebba8356b2c500ae06a02ac846eb5b45629b3b7f74a8fad3d5a509dbe
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956312
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515585
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  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 0x2304e74ebba8356b2c500ae06a02ac846eb5b45629b3b7f74a8fad3d5a509dbe. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/NLN580515585 — a six-check JSON result.
    date published: 2026-07-02T05:09:12Z
  audio: Missa Brevis In B Flat Major Kv 275: Kyrie
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.314
    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: 0.329
    additional property: Energy
      type: PropertyValue
      value: 0.24
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.938
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.341
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.297
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.247
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Kyrie
  type: MusicRecording
  duration: PT1M58S
  duration ms: 118750
  explicit: false
  by artist: Nicol Matt
  by artist: Chrisof Fischesser
  by artist: Reinhard Geller
  by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
  by artist: Barbara Werner
  by artist: Petra Labitzke
  by artist: Daniel Sans
  by artist: Wolfgang Amadeus Mozart
  by artist: Jens Wollenschläger
  in album: Mozart Edition Volume 15
  genre: classical
  genre: choral
  genre: requiem
  isrc code: NLN580515597
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Kyrie
track: Missa Brevis In B Flat Major Kv 275: Gloria
track: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Gloria
track: Missa Brevis In B Flat Major Kv 275: Credo
track: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Credo
track: Missa Brevis In B Flat Major Kv 275: Sanctus
track: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Sanctus
track: Missa Brevis In B Flat Major Kv 275: Benedictus
track: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Benedictus
track: Missa Brevis In B Flat Major Kv 275: Agnus Dei
track: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Agnus Dei
track: Missa In C Major Kv 258, Spaurmesse: Kyrie
track: Missa In C Major Kv 258, Spaurmesse: Gloria
track: Missa In C Major Kv 258, Spaurmesse: Benedictus

Reinhard Geller
type: MusicGroup

Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
type: MusicGroup

Barbara Werner
type: MusicGroup

Petra Labitzke
type: MusicGroup

Daniel Sans
type: MusicGroup

Wolfgang Amadeus Mozart
type: MusicGroup

Jens Wollenschläger
type: MusicGroup

Mozart Edition Volume 15
type: MusicAlbum
date published: 2007-03-28

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-24T16:21:26+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x33ba522ce8c5ae72574f3e7f646d3c660a46904b5ed6adbc5ce42bd3be819dfa

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956312

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956312

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515597

OTSTimestamp
type: PropertyValue
value: 2026-07-02T05:09:12Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33ba522ce8c5ae72574f3e7f646d3c660a46904b5ed6adbc5ce42bd3be819dfa. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/NLN580515597 — a six-check JSON result.
date published: 2026-07-02T05:09:12Z

Missa Brevis In C Major Kv 259, Orgelsolo Messe: Kyrie
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 130.794
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
  type: PropertyValue
  value: 0.326
additional property: Energy
  type: PropertyValue
  value: 0.207
additional property: Speechiness
  type: PropertyValue
  value: 0.039
additional property: Acousticness
  type: PropertyValue
  value: 0.917
additional property: Instrumentalness
  type: PropertyValue
  value: 0.009
additional property: Liveness
  type: PropertyValue
  value: 0.585
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.207
additional property: Loudness (dB)
  type: PropertyValue
  value: -18.09
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Missa Brevis In B Flat Major Kv 275: Gloria
type: MusicRecording
duration: PT2M52S
duration ms: 172750
explicit: false
by artist: Nicol Matt
by artist: Jens Wollenschläger
by artist: Reinhard Geller
by artist: Manfred Bittner
by artist: Wolfgang Amadeus Mozart
by artist: Gabriele Wunderer
by artist: Anja Bittner
by artist: Robert Morvaj
by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
in album: Mozart Edition Volume 15
  type: MusicAlbum
  date published: 2007-03-28
genre: classical
genre: choral
genre: requiem
isrc code: NLN580515586
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T14:38:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2144607d3e270a1381759c415508a90b446818aa1cb822b98456b23627331d3e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960268
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960268
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515586
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:53:07Z
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 0x2144607d3e270a1381759c415508a90b446818aa1cb822b98456b23627331d3e. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/NLN580515586 — a six-check JSON result.
  date published: 2026-07-30T14:53:07Z
audio: Missa Brevis In B Flat Major Kv 275: Gloria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.035
  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: 0.327
  additional property: Energy
    type: PropertyValue
    value: 0.268
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.22
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.252
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.641
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Missa Brevis In C Major Kv 259, Orgelsolo Messe: Gloria
type: MusicRecording
duration: PT1M56S
duration ms: 116500
explicit: false
by artist: Nicol Matt
by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
by artist: Chrisof Fischesser
by artist: Reinhard Geller
by artist: Barbara Werner
by artist: Petra Labitzke
by artist: Daniel Sans
by artist: Jens Wollenschläger
by artist: Wolfgang Amadeus Mozart
in album: Mozart Edition Volume 15
  type: MusicAlbum
  date published: 2007-03-28
genre: classical
genre: choral
genre: requiem
isrc code: NLN580515598
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T09:44:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa98d547acc99f25099791163f83c8395367fd157c8eeb184c2c10d8a6a44bd5e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515598
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0xa98d547acc99f25099791163f83c8395367fd157c8eeb184c2c10d8a6a44bd5e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLN580515598 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Gloria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.154
  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
    type: PropertyValue
    value: 0.478
  additional property: Energy
    type: PropertyValue
    value: 0.229
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.895
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.649
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.457
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.371
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Missa Brevis In B Flat Major Kv 275: Credo
type: MusicRecording
duration: PT4M51S
duration ms: 291500
explicit: false
by artist: Nicol Matt
by artist: Gabriele Wunderer
by artist: Anja Bittner
by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
by artist: Manfred Bittner
by artist: Robert Morvaj
by artist: Reinhard Geller
by artist: Jens Wollenschläger
by artist: Wolfgang Amadeus Mozart
in album: Mozart Edition Volume 15
  type: MusicAlbum
  date published: 2007-03-28
genre: classical
genre: choral
genre: requiem
isrc code: NLN580515587
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T09:45:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcfb04d81b96cc2d882e5c4ac276792371c8ad40722f7fbe9a99f90930e059b3e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960240
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960240
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515587
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:57:33Z
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 0xcfb04d81b96cc2d882e5c4ac276792371c8ad40722f7fbe9a99f90930e059b3e. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515587 — a six-check JSON result.
  date published: 2026-07-30T09:57:33Z
audio: Missa Brevis In B Flat Major Kv 275: Credo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.54
  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: 0.285
  additional property: Energy
    type: PropertyValue
    value: 0.223
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.361
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.255
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.799
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Missa Brevis In C Major Kv 259, Orgelsolo Messe: Credo
type: MusicRecording
duration: PT3M37S
duration ms: 217750
explicit: false
by artist: Nicol Matt
by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
by artist: Chrisof Fischesser
by artist: Reinhard Geller
by artist: Barbara Werner
by artist: Petra Labitzke
by artist: Daniel Sans
by artist: Jens Wollenschläger
by artist: Wolfgang Amadeus Mozart
in album: Mozart Edition Volume 15
  type: MusicAlbum
  date published: 2007-03-28
genre: classical
genre: choral
genre: requiem
isrc code: NLN580515599
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:04:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa22c5dc40c6b3ae7ef9bd8d6076495b2d683c253d8e7e7f460953cb724e5d106
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515599
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
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 0xa22c5dc40c6b3ae7ef9bd8d6076495b2d683c253d8e7e7f460953cb724e5d106. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515599 — a six-check JSON result.
  date published: 2026-07-06T06:56:49Z
audio: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Credo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.957
  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
    type: PropertyValue
    value: 0.305
  additional property: Energy
    type: PropertyValue
    value: 0.316
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.89
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.822
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.254
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.895
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Missa Brevis In B Flat Major Kv 275: Sanctus
type: MusicRecording
duration: PT1M6S
duration ms: 66000
explicit: false
by artist: Nicol Matt
by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
by artist: Robert Morvaj
by artist: Reinhard Geller
by artist: Wolfgang Amadeus Mozart
by artist: Gabriele Wunderer
by artist: Anja Bittner
by artist: Jens Wollenschläger
by artist: Manfred Bittner
in album: Mozart Edition Volume 15
  type: MusicAlbum
  date published: 2007-03-28
genre: classical
genre: choral
genre: requiem
isrc code: NLN580515588
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T09:33:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1d3ba5b61ec3c1ec9f1e7c96a3fbe9b107984cb35af86020b8c8df4941727238
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960381
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960381
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515588
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:50:11Z
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 0x1d3ba5b61ec3c1ec9f1e7c96a3fbe9b107984cb35af86020b8c8df4941727238. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/NLN580515588 — a six-check JSON result.
  date published: 2026-07-31T09:50:11Z
audio: Missa Brevis In B Flat Major Kv 275: Sanctus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.082
  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: 0.256
  additional property: Energy
    type: PropertyValue
    value: 0.223
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.912
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.677
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.47
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.07
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Missa Brevis In C Major Kv 259, Orgelsolo Messe: Sanctus
type: MusicRecording
duration: PT0M55S
duration ms: 55750
explicit: false
by artist: Nicol Matt
by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
by artist: Chrisof Fischesser
by artist: Reinhard Geller
by artist: Petra Labitzke
by artist: Barbara Werner
by artist: Jens Wollenschläger
by artist: Daniel Sans
by artist: Wolfgang Amadeus Mozart
in album: Mozart Edition Volume 15
  type: MusicAlbum
  date published: 2007-03-28
genre: classical
genre: choral
genre: requiem
isrc code: NLN580515600
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T07:39:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x169556e740979223f3725ffe6985c6c3511df51ce68ad262a7f3a9d560d74487
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515600
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0x169556e740979223f3725ffe6985c6c3511df51ce68ad262a7f3a9d560d74487. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLN580515600 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Sanctus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.849
  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
    type: PropertyValue
    value: 0.395
  additional property: Energy
    type: PropertyValue
    value: 0.302
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.828
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.618
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.393
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.829
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Missa Brevis In B Flat Major Kv 275: Benedictus
type: MusicRecording
duration: PT2M53S
duration ms: 173500
explicit: false
by artist: Nicol Matt
by artist: Reinhard Geller
by artist: Robert Morvaj
by artist: Wolfgang Amadeus Mozart
by artist: Jens Wollenschläger
by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
by artist: Gabriele Wunderer
by artist: Anja Bittner
by artist: Manfred Bittner
in album: Mozart Edition Volume 15
  type: MusicAlbum
  date published: 2007-03-28
genre: classical
genre: choral
genre: requiem
isrc code: NLN580515589
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:35:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7e733fbb2dc7b08c09fd5f0a090a0c6442af7df6aea94628a7147c6928ecdefc
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/NLN580515589
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 0x7e733fbb2dc7b08c09fd5f0a090a0c6442af7df6aea94628a7147c6928ecdefc. 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/NLN580515589 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Missa Brevis In B Flat Major Kv 275: Benedictus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.523
  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: 0.319
  additional property: Energy
    type: PropertyValue
    value: 0.094
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.942
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.662
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.193
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.289
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Missa Brevis In C Major Kv 259, Orgelsolo Messe: Benedictus
type: MusicRecording
duration: PT2M6S
duration ms: 126750
explicit: false
by artist: Nicol Matt
by artist: Reinhard Geller
by artist: Chrisof Fischesser
by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
by artist: Barbara Werner
by artist: Petra Labitzke
by artist: Wolfgang Amadeus Mozart
by artist: Daniel Sans
by artist: Jens Wollenschläger
in album: Mozart Edition Volume 15
  type: MusicAlbum
  date published: 2007-03-28
genre: classical
genre: choral
genre: requiem
isrc code: NLN580515601
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:57:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x27a87c394783a2c4084878f26cb5d0d4fa066f89e28c2400111925aaf706ebc8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515601
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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 0x27a87c394783a2c4084878f26cb5d0d4fa066f89e28c2400111925aaf706ebc8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLN580515601 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Benedictus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.1
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.317
  additional property: Energy
    type: PropertyValue
    value: 0.147
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.907
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.652
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.253
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.6
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Missa Brevis In B Flat Major Kv 275: Agnus Dei
type: MusicRecording
duration: PT5M29S
duration ms: 329000
explicit: false
by artist: Nicol Matt
by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
by artist: Reinhard Geller
by artist: Wolfgang Amadeus Mozart
by artist: Robert Morvaj
by artist: Anja Bittner
by artist: Manfred Bittner
by artist: Jens Wollenschläger
by artist: Gabriele Wunderer
in album: Mozart Edition Volume 15
  type: MusicAlbum
  date published: 2007-03-28
genre: classical
genre: choral
genre: requiem
isrc code: NLN580515590
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:03:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ca2dceaff5ad2a7f13e7d6a9475485fcdc0b896d6a0201cd84ba790a370e346
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/NLN580515590
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 0x1ca2dceaff5ad2a7f13e7d6a9475485fcdc0b896d6a0201cd84ba790a370e346. 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/NLN580515590 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Missa Brevis In B Flat Major Kv 275: Agnus Dei
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.671
  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: 0.311
  additional property: Energy
    type: PropertyValue
    value: 0.2
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.921
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.211
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.431
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Missa Brevis In C Major Kv 259, Orgelsolo Messe: Agnus Dei
type: MusicRecording
duration: PT2M36S
duration ms: 156000
explicit: false
by artist: Nicol Matt
by artist: Reinhard Geller
by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
by artist: Chrisof Fischesser
by artist: Petra Labitzke
by artist: Barbara Werner
by artist: Daniel Sans
by artist: Wolfgang Amadeus Mozart
by artist: Jens Wollenschläger
in album: Mozart Edition Volume 15
  type: MusicAlbum
  date published: 2007-03-28
genre: classical
genre: choral
genre: requiem
isrc code: NLN580515602
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:22:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x453b871ff2ba102f4be2344e68fdf6a0e700044ec41b8821d13106a8a924eb60
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515602
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
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 0x453b871ff2ba102f4be2344e68fdf6a0e700044ec41b8821d13106a8a924eb60. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515602 — a six-check JSON result.
  date published: 2026-07-06T06:56:49Z
audio: Missa Brevis In C Major Kv 259, Orgelsolo Messe: Agnus Dei
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.509
  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
    type: PropertyValue
    value: 0.313
  additional property: Energy
    type: PropertyValue
    value: 0.123
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.87
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.217
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.241
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Missa In C Major Kv 258, Spaurmesse: Kyrie
type: MusicRecording
duration: PT1M46S
duration ms: 106750
explicit: false
by artist: Nicol Matt
by artist: Reinhard Geller
by artist: Daniel Sans
by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
by artist: Chrisof Fischesser
by artist: Petra Labitzke
by artist: Wolfgang Amadeus Mozart
by artist: Jens Wollenschläger
by artist: Barbara Werner
in album: Mozart Edition Volume 15
  type: MusicAlbum
  date published: 2007-03-28
genre: classical
genre: choral
genre: requiem
isrc code: NLN580515603
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T10:56:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x169c53cfe49fb78d411131ca211e7de96839ddbb26a018fe9026b9d155b5cafb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515603
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
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 0x169c53cfe49fb78d411131ca211e7de96839ddbb26a018fe9026b9d155b5cafb. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/NLN580515603 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Missa In C Major Kv 258, Spaurmesse: Kyrie
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.658
  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
    type: PropertyValue
    value: 0.38
  additional property: Energy
    type: PropertyValue
    value: 0.324
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.188
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.362
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.553
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Missa In C Major Kv 258, Spaurmesse: Gloria
type: MusicRecording
duration: PT2M30S
duration ms: 150000
explicit: false
by artist: Nicol Matt
by artist: Chrisof Fischesser
by artist: Reinhard Geller
by artist: Petra Labitzke
by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
by artist: Daniel Sans
by artist: Barbara Werner
by artist: Wolfgang Amadeus Mozart
by artist: Jens Wollenschläger
in album: Mozart Edition Volume 15
  type: MusicAlbum
  date published: 2007-03-28
genre: classical
genre: choral
genre: requiem
isrc code: NLN580515604
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T10:07:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x409b69b9f7b27a154cee6da7286c276ef417e8fa99987c178b11a60ee5ec0bc5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960389
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960389
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515604
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T10:20:10Z
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 0x409b69b9f7b27a154cee6da7286c276ef417e8fa99987c178b11a60ee5ec0bc5. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/NLN580515604 — a six-check JSON result.
  date published: 2026-07-31T10:20:10Z
audio: Missa In C Major Kv 258, Spaurmesse: Gloria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.529
  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
    type: PropertyValue
    value: 0.502
  additional property: Energy
    type: PropertyValue
    value: 0.294
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.931
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.595
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.543
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.4
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Missa In C Major Kv 258, Spaurmesse: Benedictus
type: MusicRecording
duration: PT2M51S
duration ms: 171250
explicit: false
by artist: Nicol Matt
by artist: Petra Labitzke
by artist: Chrisof Fischesser
by artist: Jens Wollenschläger
by artist: Wolfgang Amadeus Mozart
by artist: Kurpfälzisches Kammerorchester Mannheim, Nordic Chamber Choir
by artist: Barbara Werner
by artist: Reinhard Geller
by artist: Daniel Sans
in album: Mozart Edition Volume 15
  type: MusicAlbum
  date published: 2007-03-28
genre: classical
genre: choral
genre: requiem
isrc code: NLN580515607
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:44:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3ee14d722ba1354c66cfcf3ab96cf21fd8084be7252eee69dab4e1b7fd1605a7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515607
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x3ee14d722ba1354c66cfcf3ab96cf21fd8084be7252eee69dab4e1b7fd1605a7. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580515607 — a six-check JSON result.
  date published: 2026-07-08T03:53:27Z
audio: Missa In C Major Kv 258, Spaurmesse: Benedictus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.659
  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
    type: PropertyValue
    value: 0.336
  additional property: Energy
    type: PropertyValue
    value: 0.297
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.922
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.016
  additional property: Liveness
    type: PropertyValue
    value: 0.173
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.221
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.881
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: The Great Masses
type: MusicAlbum
date published: 2006
track: Requiem in D Minor, K. 626: VIII. Lacrimosa
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183680
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Chamber Choir Of Europe
  by artist: Nicol Matt
  by artist: Südwestdeutsches Kammerorchester Pforzheim
  by artist: Pamela Heuvelmans
  by artist: Barbara Werner
  by artist: Robert Morvai
  by artist: Thomas Pfeiffer
  in album: Mozart: The Great Masses
    type: MusicAlbum
    date published: 2006
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: NLN580570839
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-29T12:12:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1216076f1fb76daf5b13159d4ddc1876425b9058d92035367e63ac36d0ff5ecf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960105
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960105
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLN580570839
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T12:35:17Z
  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 0x1216076f1fb76daf5b13159d4ddc1876425b9058d92035367e63ac36d0ff5ecf. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/NLN580570839 — a six-check JSON result.
    date published: 2026-07-29T12:35:17Z
  audio: Requiem in D Minor, K. 626: VIII. Lacrimosa
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.513
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.101
    additional property: Energy
      type: PropertyValue
      value: 0.062
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.979
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.321
    additional property: Liveness
      type: PropertyValue
      value: 0.137
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.04
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.794
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Great Mass
type: MusicAlbum
date published: 2006-12-20

Mozart, The Master Works Part: 37
type: MusicAlbum
date published: 2006-12-20

Choral Works (Complete) Part: 3
type: MusicAlbum
date published: 2006-12-20
track: 5. Verleih Uns Frieden
  type: MusicRecording
  duration: PT4M17S
  duration ms: 257000
  explicit: false
  by artist: Chamber Choir Of Europe
  by artist: Reinhard Geller
  by artist: Felix Mendelssohn
  by artist: Württembergische Philhamonie Reutlingen
  by artist: Nicol Matt
  in album: Choral Works (Complete) Part: 3
    type: MusicAlbum
    date published: 2006-12-20
  isrc code: NLN580529173
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T15:33:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9a9b56bbf8d096a55d6f07e1eeafbcd91c20c72f3884e9a045eb358da3ad3b7e
  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/NLN580529173
  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 0x9a9b56bbf8d096a55d6f07e1eeafbcd91c20c72f3884e9a045eb358da3ad3b7e. 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/NLN580529173 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: 5. Verleih Uns Frieden
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.988
    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: 0.099
    additional property: Energy
      type: PropertyValue
      value: 0.136
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.993
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.907
    additional property: Liveness
      type: PropertyValue
      value: 0.106
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.067
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.442
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Choral Works (Complete) Part: 2
type: MusicAlbum
date published: 2006-12-20

Mendelssohn, The Master Works Part: 28
type: MusicAlbum
date published: 2006-12-20

Korngold: Violanta, Op. 8 (Live)
type: MusicAlbum
date published: 2020-06-19

Korngold: Das Wunder der Heliane, Op. 20
type: MusicAlbum
date published: 2018-10-12

Mozart: Sacred Music, Vol. 3
type: MusicAlbum
date published: 2006

Mozart: Sacred Music, Vol. 1
type: MusicAlbum
date published: 2006

Mozart: Sacred Music, Vol. 2
type: MusicAlbum
date published: 2006

Mozart: Complete Concert Arias, Vol. 2
type: MusicAlbum
date published: 2021-11-12