Louis Couperin
type: MusicGroup
genre: baroque
description: Louis Couperin (; – 29 August 1661) was a French Baroque composer and performer. He was born in Chaumes-en-Brie and moved to Paris in 1650–1651 with the help of Jacques Champion de Chambonnières. Cou
popularity: 23
followers: 10034
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x13ab32dd50086eca88032a79d0d3e96981b96add7c966083a805f6a6639dfa98
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f9d31ca6-e854-4846-9a9f-e5b2ad9dc281.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f9d31ca6-e854-4846-9a9f-e5b2ad9dc281.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f9d31ca6-e854-4846-9a9f-e5b2ad9dc281
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x13ab32dd50086eca88032a79d0d3e96981b96add7c966083a805f6a6639dfa98","name":"Louis Couperin","registered_at":"2026-06-12T14:11:13Z","symbol":"NIM0321562","token_address":"0x940d7c6172a02f8b6e4021a264d2f0e2f7fcb6cc","type":"artist","uuid":"f9d31ca6-e854-4846-9a9f-e5b2ad9dc281"}
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 0x13ab32dd50086eca88032a79d0d3e96981b96add7c966083a805f6a6639dfa98. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f9d31ca6-e854-4846-9a9f-e5b2ad9dc281.json and https://artists.proofprofile.net/proofs/artist/f9d31ca6-e854-4846-9a9f-e5b2ad9dc281.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x13ab32dd50086eca88032a79d0d3e96981b96add7c966083a805f6a6639dfa98","name":"Louis Couperin","registered_at":"2026-06-12T14:11:13Z","symbol":"NIM0321562","token_address":"0x940d7c6172a02f8b6e4021a264d2f0e2f7fcb6cc","type":"artist","uuid":"f9d31ca6-e854-4846-9a9f-e5b2ad9dc281"}
album: Couperin: Pièces pour clavier
  type: MusicAlbum
  date published: 2015-05-18
album: Monsieur Couperin. Louis, Charles, François I ? Pièces de clavecin
  type: MusicAlbum
  date published: 2021-02-12
album: Couperin: Pièces de Clavecin
  type: MusicAlbum
  date published: 2005-05-01
  track: Pièces de Clavecin: XI. La Foucquet
    type: MusicRecording
    duration: PT2M58S
    duration ms: 178053
    explicit: false
    by artist: Louis Couperin
    by artist: Sophie Yates
    in album: Couperin: Pièces de Clavecin
      type: MusicAlbum
      date published: 2005-05-01
    popularity: 0
    isrc code: GBLWD0505311
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-31T15:26:15+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc5757585f4c1cf9fbcf2c857e4e812e07f8c5651294411b14375e72cce42cde3
    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/GBLWD0505311
    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 0xc5757585f4c1cf9fbcf2c857e4e812e07f8c5651294411b14375e72cce42cde3. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD0505311.
      date published: 2026-07-31T15:59:18Z
    audio: Pièces de Clavecin: XI. La Foucquet
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 114.652
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.326
      additional property: Energy
        type: PropertyValue
        value: 0.227
      additional property: Speechiness
        type: PropertyValue
        value: 0.04
      additional property: Acousticness
        type: PropertyValue
        value: 0.914
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.382
      additional property: Liveness
        type: PropertyValue
        value: 0.239
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.758
      additional property: Loudness (dB)
        type: PropertyValue
        value: -23.646
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Couperin, L.: Harpsichord Music
  type: MusicAlbum
  date published: 2002-01-01
track: Couperin, L: Passacaille in C Major
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181386
  explicit: false
  by artist: Louis Couperin
  by artist: Thomas Dunford
  by artist: William Christie
  in album: Amazone
    type: MusicAlbum
    date published: 2021-09-17
  popularity: 4
  isrc code: GBAYC2003394
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T22:17:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfec1cde8fdb511055f66034aa145a0766f38b13ccdf1bca8db8faf5a7280b699
  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/GBAYC2003394
  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 0xfec1cde8fdb511055f66034aa145a0766f38b13ccdf1bca8db8faf5a7280b699. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2003394.
    date published: 2026-07-08T03:20:19Z
  audio: Couperin, L: Passacaille in C Major
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 108.767
    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: 0.243
    additional property: Energy
      type: PropertyValue
      value: 0.114
    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: Keybords works: Lo ballo dell'intorcia
track: Chaconne en sol mineur
track: [Unmeasured] Prelude in D Minor (Arr. for chromatic kannel by Anna-Liisa Eller)
track: Passacaille en sol mineur
track: Cloches de Louvie-Juzon: Volée

Speechiness
type: PropertyValue
value: 0.033

Acousticness
type: PropertyValue
value: 0.882

Instrumentalness
type: PropertyValue
value: 0.945

Liveness
type: PropertyValue
value: 0.222

Valence (Positivity)
type: PropertyValue
value: 0.2

Loudness (dB)
type: PropertyValue
value: -30.145

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major

Keybords works: Lo ballo dell'intorcia
type: MusicRecording
duration: PT1M36S
duration ms: 96945
explicit: false
by artist: Traditional
by artist: Antonio Cabezon
by artist: Jan Pieterszoon Sweelinck
by artist: Antonio Carreira
by artist: Sebastian Duron
by artist: Francisco Correa de Arauxo
by artist: Johann Pachelbel
by artist: Juan Cabanilles
by artist: Louis Couperin
by artist: François Couperin
by artist: Louis Marchand
by artist: Dietrich Buxtehude
by artist: Vincent Lübeck
by artist: Johann Sebastian Bach
by artist: George Frideric Handel
by artist: Antonio Valente
by artist: Marie-Ange Leurent
by artist: Eric Lebrun
in album: Estives musicales sur l'orgue de Louvie-Juzon
  type: MusicAlbum
  date published: 2024-11-29
popularity: 4
genre: bhajan
genre: gregorian-chant
genre: medieval
genre: traditional-music
isrc code: CH6542476234
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:13:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9411c32a8cea275cdf01fd0f5649796c1688da28328cadab518df2f59a76ae25
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/CH6542476234
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 0x9411c32a8cea275cdf01fd0f5649796c1688da28328cadab518df2f59a76ae25. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6542476234.
  date published: 2026-07-31T02:19:15Z
audio: Keybords works: Lo ballo dell'intorcia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.017
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.275
  additional property: Energy
    type: PropertyValue
    value: 0.343
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.91
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.883
  additional property: Liveness
    type: PropertyValue
    value: 0.355
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.567
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.725
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Chaconne en sol mineur
type: MusicRecording
duration: PT2M13S
duration ms: 133466
explicit: false
by artist: Louis Couperin
by artist: Rinaldo Alessandrini
in album: Chaconne
  type: MusicAlbum
  date published: 2010-06-14
popularity: 2
isrc code: FRZ130850050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:25:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x776ceea9eaa8d9a500eccd86128a63376ba6e8a9429ca7c1562a06a9b5bfe851
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/FRZ130850050
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 0x776ceea9eaa8d9a500eccd86128a63376ba6e8a9429ca7c1562a06a9b5bfe851. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130850050.
  date published: 2026-07-08T03:20:19Z
audio: Chaconne en sol mineur
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.218
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.394
  additional property: Energy
    type: PropertyValue
    value: 0.21
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.88
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.371
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.299
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.631
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

[Unmeasured] Prelude in D Minor (Arr. for chromatic kannel by Anna-Liisa Eller)
type: MusicRecording
duration: PT7M7S
duration ms: 427413
explicit: false
by artist: Louis Couperin
by artist: Anna-Liisa Eller
in album: Strings Attached: The Voice of Kannel
  type: MusicAlbum
  date published: 2021-08-20
popularity: 2
isrc code: FR7JM1906050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:25:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x579b0f6c74488dc8374be2d66687e646f58ec2b3ad865d7dda06ba37a4420a05
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/FR7JM1906050
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 0x579b0f6c74488dc8374be2d66687e646f58ec2b3ad865d7dda06ba37a4420a05. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1906050.
  date published: 2026-07-31T02:19:15Z
audio: [Unmeasured] Prelude in D Minor (Arr. for chromatic kannel by Anna-Liisa Eller)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.763
  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: 0.302
  additional property: Energy
    type: PropertyValue
    value: 0.092
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.911
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.064
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.179
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Passacaille en sol mineur
type: MusicRecording
duration: PT4M51S
duration ms: 291173
explicit: false
by artist: Louis Couperin
by artist: Rinaldo Alessandrini
in album: Chaconne
  type: MusicAlbum
  date published: 2010-06-14
popularity: 1
isrc code: FRZ130850090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:02:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23b5b4ee02f9fe674712c16f5d73e4e6e95fda22125ecc975af8820e0ce00e34
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/FRZ130850090
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 0x23b5b4ee02f9fe674712c16f5d73e4e6e95fda22125ecc975af8820e0ce00e34. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130850090.
  date published: 2026-07-08T03:20:19Z
audio: Passacaille en sol mineur
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.353
  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: 0.365
  additional property: Energy
    type: PropertyValue
    value: 0.191
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.892
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.134
  additional property: Liveness
    type: PropertyValue
    value: 0.367
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.374
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.314
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cloches de Louvie-Juzon: Volée
type: MusicRecording
duration: PT1M41S
duration ms: 101505
explicit: false
by artist: Antonio Valente
by artist: Antonio Cabezon
by artist: Jan Pieterszoon Sweelinck
by artist: Antonio Carreira
by artist: Sebastian Duron
by artist: Francisco Correa de Arauxo
by artist: Johann Pachelbel
by artist: Juan Cabanilles
by artist: Louis Couperin
by artist: François Couperin
by artist: Louis Marchand
by artist: Dietrich Buxtehude
by artist: Vincent Lübeck
by artist: Johann Sebastian Bach
by artist: George Frideric Handel
by artist: Traditional
by artist: Marie-Ange Leurent
by artist: Eric Lebrun
in album: Estives musicales sur l'orgue de Louvie-Juzon
  type: MusicAlbum
  date published: 2024-11-29
popularity: 1
genre: italian-renaissance
isrc code: CH6542476232
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:02:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9ad4fb2122f2d818db2ba31f9d1f9c0ba5ba8e17d919002b263a46b4e212e74b
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/CH6542476232
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 0x9ad4fb2122f2d818db2ba31f9d1f9c0ba5ba8e17d919002b263a46b4e212e74b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6542476232.
  date published: 2026-07-08T03:22:41Z
audio: Cloches de Louvie-Juzon: Volée
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.015
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.278
  additional property: Energy
    type: PropertyValue
    value: 0.012
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.853
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.022
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.214
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major