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      date published: 2026-07-08T03:22:41Z
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  track: Stabat Mater, FP 148: IV. Quae moerebat
  track: Stabat Mater, FP 148: VII. Eja mater
  track: Stabat Mater, FP 148: XI. Inflammatus et accensus
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Troisème Leçon de Ténèbres à deux voix: I. Jod
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Stabat Mater, FP 148: IV. Quae moerebat
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Stabat Mater, FP 148: VII. Eja mater
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Stabat Mater, FP 148: XI. Inflammatus et accensus
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Stabat Mater, FP 148: XI. Inflammatus et accensus
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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  subject of: OpenTimestamps Proof of Existence
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track: Te Deum, H. 146: VII. Æterna fac cum sanctis tuis
track: Te Deum "de Lyon": III. Te gloriosus apostolorum chorus
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-22T03:33:16Z

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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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subject of: OpenTimestamps Proof of Existence
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Te Deum "de Lyon": XII. Æterna fac cum sanctis tuis
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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  subject of: OpenTimestamps Proof of Existence
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track: Proserpine, LWV 58: Air et chœur "O malheureuse mère"
track: Proserpine, LWV 58: Air et chœur "Que tout se ressente de la fureur que je sens"
track: Atys, LWV 53: Air "Espoir si cher et si doux"
track: Ballet de la naissance de Vénus, LWV 27: Sarabande dieu des Enfers
track: Le Bourgeois gentilhomme, LWV 43: Canaries
track: Persée, LWV 60: Ouverture
track: Le triomphe de l'amour, LWV 59: Air de la nuit "Voici le favorable temps"
track: Médée, H.491: Air "Quel prix de mon amour"

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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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

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfbd2fb9d08c96bfbd8c78faf64acda03abf6388fa0303b7afe6fd641d151e71. 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/FR50X1974707.
date published: 2026-07-08T03:22:41Z

Ballet du temple de la paix, LWV 69: Entrée des Bretons, passepied
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Proserpine, LWV 58: Air et chœur "O malheureuse mère"
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by artist: Véronique Gens
by artist: Les Chantres du Centre de Musique Baroque de Versailles
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Proserpine, LWV 58: Air et chœur "O malheureuse mère"
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Proserpine, LWV 58: Air et chœur "Que tout se ressente de la fureur que je sens"
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by artist: Véronique Gens
by artist: Les Chantres du Centre de Musique Baroque de Versailles
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
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popularity: 2
genre: classical
genre: french-opera
genre: early-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:39:04Z
audio: Proserpine, LWV 58: Air et chœur "Que tout se ressente de la fureur que je sens"
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Atys, LWV 53: Air "Espoir si cher et si doux"
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by artist: Jean-Baptiste Lully
by artist: Véronique Gens
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Lully, Charpentier & Desmarets: Passion
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popularity: 2
genre: classical
genre: french-opera
genre: early-music
genre: baroque
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Atys, LWV 53: Air "Espoir si cher et si doux"
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Ballet de la naissance de Vénus, LWV 27: Sarabande dieu des Enfers
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by artist: Louis-Noël Bestion de Camboulas
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genre: french-opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Ballet de la naissance de Vénus, LWV 27: Sarabande dieu des Enfers
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Le Bourgeois gentilhomme, LWV 43: Canaries
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-21T21:14:07Z
audio: Le Bourgeois gentilhomme, LWV 43: Canaries
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Persée, LWV 60: Ouverture
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by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Lully, Charpentier & Desmarets: Passion
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genre: classical
genre: french-opera
genre: early-music
genre: baroque
genre: french-baroque
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Persée, LWV 60: Ouverture
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Le triomphe de l'amour, LWV 59: Air de la nuit "Voici le favorable temps"
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by artist: Jean-Baptiste Lully
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by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
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genre: french-opera
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Le triomphe de l'amour, LWV 59: Air de la nuit "Voici le favorable temps"
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Médée, H.491: Air "Quel prix de mon amour"
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by artist: Véronique Gens
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
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genre: early-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Médée, H.491: Air "Quel prix de mon amour"
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Purcell: Tyrannic Love
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Charpentier : Méditations pour le Carême
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Issé
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date published: 2019-11-08

Mysterien-Kantaten
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
  audio: Ciaccona
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track: Klag Lied in D Minor, BuxWV 76: II. Contrapunctus II & Evolutio
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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  audio: Herr, wenn ich nur Dich hab, BuxWV 38
track: Hortus Musicus "Sonata Prima" in A Minor: Sonata
track: Hortus Musicus "Sonata Prima" in A Minor: Saraband
track: Hortus Musicus "Sonata Prima" in A Minor: Gigue

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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Herr, wenn ich nur Dich hab, BuxWV 38
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Hortus Musicus "Sonata Prima" in A Minor: Sonata
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  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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Hortus Musicus "Sonata Prima" in A Minor: Sonata
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Hortus Musicus "Sonata Prima" in A Minor: Saraband
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by artist: Johann Adam Reincken
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Mysterien-Kantaten
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Hortus Musicus "Sonata Prima" in A Minor: Saraband
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Hortus Musicus "Sonata Prima" in A Minor: Gigue
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by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Hortus Musicus "Sonata Prima" in A Minor: Gigue
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Bach Inspiration
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date published: 2018-03-09
track: Suite No. 2 in B Minor, BWV 1067: I. Ouverture
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
  audio: Suite No. 2 in B Minor, BWV 1067: I. Ouverture
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Rameau, Francœur & Rebel: L'héritage de Rameau
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date published: 2017-11-24

Destouches & Delalande: Les Éléments, S.153
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:39:04Z
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track: Les Éléments, S.153, Acte I "L'Eau", Air pour les Néréides - Acte I "L'Eau", Air pour les Divinités
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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Te Deum, H. 146: III. Te æternum Patrem
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Selva morale e spirituale: No. 13, Dixit dominus, SV 264
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Mozart: Church Sonata No. 13 in C Major, K. 329 - Ouverture, K. 399 - Adagio for Glass harmonica in C Major, K. 356
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date published: 2022-09-16

Circée: Air "Désirs, transports"
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Bach: L'Extase Musicale
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Louis-Noël Bestion de Camboulas: Soleils couchants - harmonia nova #8
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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Bach and friends
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track: Première Leçon de Ténèbres à voix seule: III. Beth
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track: Deuxième Leçon de Ténèbres à voix seule: II. Zain
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track: Miserere, S. 87: II. Amplius lava me
track: Miserere, S. 87: IV. Asperges me hysopo
track: Miserere, S. 87: VI. Redde mihi lætitiam

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Première Leçon de Ténèbres à voix seule: II. Aleph
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by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Couperin & Lalande: Leçons de Ténèbres
  type: MusicAlbum
  date published: 2025-04-11
genre: classical
genre: classical-era
genre: early-music
genre: baroque
genre: french-baroque
isrc code: FR50X2412905
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T05:43:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x28a659d24eef0d915b27c9d6ba1366457437469f431eaecac206d760bd1a46e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412905
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28a659d24eef0d915b27c9d6ba1366457437469f431eaecac206d760bd1a46e6. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412905.
  date published: 2026-07-02T16:51:38Z
audio: Première Leçon de Ténèbres à voix seule: IV. Ghimel
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.396
  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: 0.287
  additional property: Energy
    type: PropertyValue
    value: 0.14
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.816
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.246
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.164
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.476
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Première Leçon de Ténèbres à voix seule: V. Daleth
type: MusicRecording
duration: PT2M17S
duration ms: 137813
explicit: false
by artist: François Couperin
by artist: Paco Garcia
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Couperin & Lalande: Leçons de Ténèbres
  type: MusicAlbum
  date published: 2025-04-11
genre: classical
genre: classical-era
genre: early-music
genre: baroque
genre: french-baroque
isrc code: FR50X2412906
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T06:32:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5383a8480d5cc3b816199ebb11e4c1789152a8ead238a2b1b34d172bb100986d
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/FR50X2412906
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5383a8480d5cc3b816199ebb11e4c1789152a8ead238a2b1b34d172bb100986d. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412906.
  date published: 2026-07-02T03:55:08Z
audio: Première Leçon de Ténèbres à voix seule: V. Daleth
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.582
  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: 0.289
  additional property: Energy
    type: PropertyValue
    value: 0.104
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.899
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.71
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Première Leçon de Ténèbres à voix seule: VI. Heth
type: MusicRecording
duration: PT2M17S
duration ms: 137853
explicit: false
by artist: François Couperin
by artist: Paco Garcia
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Couperin & Lalande: Leçons de Ténèbres
  type: MusicAlbum
  date published: 2025-04-11
genre: classical
genre: classical-era
genre: early-music
genre: baroque
genre: french-baroque
isrc code: FR50X2412907
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T05:41:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5257feef090f77361c8ff5ee2f6efa27c2d69c0a23413e7fcb750e4233b43b44
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412907
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5257feef090f77361c8ff5ee2f6efa27c2d69c0a23413e7fcb750e4233b43b44. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412907.
  date published: 2026-07-02T16:51:38Z
audio: Première Leçon de Ténèbres à voix seule: VI. Heth
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.001
  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: 0.273
  additional property: Energy
    type: PropertyValue
    value: 0.177
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.854
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.233
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.799
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Première Leçon de Ténèbres à voix seule: VII. Jerusalem, convertere ad Dominum
type: MusicRecording
duration: PT2M47S
duration ms: 167360
explicit: false
by artist: François Couperin
by artist: Paco Garcia
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Couperin & Lalande: Leçons de Ténèbres
  type: MusicAlbum
  date published: 2025-04-11
genre: classical
genre: classical-era
genre: early-music
genre: baroque
genre: french-baroque
isrc code: FR50X2412908
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T15:08:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe0d077362cac1f915b07d473f2870f36e2edd2f3e535eb016f9894373dcca62f
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/FR50X2412908
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0d077362cac1f915b07d473f2870f36e2edd2f3e535eb016f9894373dcca62f. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412908.
  date published: 2026-07-02T03:55:08Z
audio: Première Leçon de Ténèbres à voix seule: VII. Jerusalem, convertere ad Dominum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.27
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.236
  additional property: Energy
    type: PropertyValue
    value: 0.076
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.94
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.983
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Deuxième Leçon de Ténèbres à voix seule: II. Zain
type: MusicRecording
duration: PT3M1S
duration ms: 181413
explicit: false
by artist: François Couperin
by artist: Etienne Bazola
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Couperin & Lalande: Leçons de Ténèbres
  type: MusicAlbum
  date published: 2025-04-11
genre: classical
genre: classical-era
genre: early-music
genre: baroque
genre: french-baroque
isrc code: FR50X2412911
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T02:29:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc7f5d5f58e46981a15df3b6ee0bfefc462fd307fbdab20c41411a1e021419fbf
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/FR50X2412911
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7f5d5f58e46981a15df3b6ee0bfefc462fd307fbdab20c41411a1e021419fbf. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412911.
  date published: 2026-07-06T06:56:49Z
audio: Deuxième Leçon de Ténèbres à voix seule: II. Zain
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 72.981
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.23
  additional property: Energy
    type: PropertyValue
    value: 0.157
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.466
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.064
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.578
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Deuxième Leçon de Ténèbres à voix seule: III. Heth
type: MusicRecording
duration: PT1M35S
duration ms: 95053
explicit: false
by artist: François Couperin
by artist: Etienne Bazola
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Couperin & Lalande: Leçons de Ténèbres
  type: MusicAlbum
  date published: 2025-04-11
genre: classical
genre: classical-era
genre: early-music
genre: baroque
genre: french-baroque
isrc code: FR50X2412912
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:40:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc0c91f597b23e8ea758f97575912d08e610a88672da78d8e2e86ad33d32c0fe3
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/FR50X2412912
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0c91f597b23e8ea758f97575912d08e610a88672da78d8e2e86ad33d32c0fe3. 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/FR50X2412912.
  date published: 2026-07-08T03:20:19Z
audio: Deuxième Leçon de Ténèbres à voix seule: III. Heth
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.882
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.26
  additional property: Energy
    type: PropertyValue
    value: 0.117
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.016
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.234
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.095
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Deuxième Leçon de Ténèbres à voix seule: IV. Teth
type: MusicRecording
duration: PT2M27S
duration ms: 147213
explicit: false
by artist: François Couperin
by artist: Etienne Bazola
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Couperin & Lalande: Leçons de Ténèbres
  type: MusicAlbum
  date published: 2025-04-11
genre: classical
genre: classical-era
genre: early-music
genre: baroque
genre: french-baroque
isrc code: FR50X2412913
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:58:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x566757f7401440b9dab102740bc10cc7cc648f2dbce39c87c638234b61449a68
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412913
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x566757f7401440b9dab102740bc10cc7cc648f2dbce39c87c638234b61449a68. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412913.
  date published: 2026-07-07T18:39:05Z
audio: Deuxième Leçon de Ténèbres à voix seule: IV. Teth
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.287
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.216
  additional property: Energy
    type: PropertyValue
    value: 0.136
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.735
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.19
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.833
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Deuxième Leçon de Ténèbres à voix seule: V. Jerusalem, convertere ad Dominum
type: MusicRecording
duration: PT2M9S
duration ms: 129826
explicit: false
by artist: François Couperin
by artist: Etienne Bazola
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Couperin & Lalande: Leçons de Ténèbres
  type: MusicAlbum
  date published: 2025-04-11
genre: classical
genre: classical-era
genre: early-music
genre: baroque
genre: french-baroque
isrc code: FR50X2412914
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:54:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x93468583fe60186afe9b59591f10c16c74c47c44c7cc147b4b4e8fbcf7bfb79c
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412914
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93468583fe60186afe9b59591f10c16c74c47c44c7cc147b4b4e8fbcf7bfb79c. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412914.
  date published: 2026-07-07T18:39:05Z
audio: Deuxième Leçon de Ténèbres à voix seule: V. Jerusalem, convertere ad Dominum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.867
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.229
  additional property: Energy
    type: PropertyValue
    value: 0.091
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.796
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.139
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.004
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Répons de Ténèbres: Tristis est anima mea
type: MusicRecording
duration: PT3M49S
duration ms: 229080
explicit: false
by artist: Marc-Antoine Charpentier
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Couperin & Lalande: Leçons de Ténèbres
  type: MusicAlbum
  date published: 2025-04-11
genre: classical
genre: early-music
genre: baroque
genre: french-baroque
isrc code: FR50X2412915
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T06:36:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc8e31d483b22284558c91e821944a4e46c7fcd9314e4d8386343cb0f4a8990e9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412915
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8e31d483b22284558c91e821944a4e46c7fcd9314e4d8386343cb0f4a8990e9. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412915.
  date published: 2026-07-02T16:51:38Z
audio: Répons de Ténèbres: Tristis est anima mea
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.677
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.163
  additional property: Energy
    type: PropertyValue
    value: 0.145
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.931
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.033
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.28
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Troisème Leçon de Ténèbres à deux voix: II. Caph
type: MusicRecording
duration: PT1M33S
duration ms: 93333
explicit: false
by artist: François Couperin
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Couperin & Lalande: Leçons de Ténèbres
  type: MusicAlbum
  date published: 2025-04-11
genre: classical
genre: classical-era
genre: early-music
genre: baroque
genre: french-baroque
isrc code: FR50X2412917
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T21:05:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb6018796d89276b920c802bd3af7949a8e96d4682dfbbfff313d6b820d99beba
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/FR50X2412917
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6018796d89276b920c802bd3af7949a8e96d4682dfbbfff313d6b820d99beba. 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/FR50X2412917.
  date published: 2026-07-08T03:22:41Z
audio: Troisème Leçon de Ténèbres à deux voix: II. Caph
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.378
  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: 0.249
  additional property: Energy
    type: PropertyValue
    value: 0.232
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.94
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.01
  additional property: Liveness
    type: PropertyValue
    value: 0.14
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.069
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.223
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Troisème Leçon de Ténèbres à deux voix: III. Lamed
type: MusicRecording
duration: PT2M20S
duration ms: 140986
explicit: false
by artist: François Couperin
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Couperin & Lalande: Leçons de Ténèbres
  type: MusicAlbum
  date published: 2025-04-11
genre: classical
genre: classical-era
genre: early-music
genre: baroque
genre: french-baroque
isrc code: FR50X2412918
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T10:33:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3f33bd03967ce8c407fa82f36d111be655cb0e73e61843fa00d38149a6263266
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957075
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957075
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412918
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:50:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f33bd03967ce8c407fa82f36d111be655cb0e73e61843fa00d38149a6263266. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2412918.
  date published: 2026-07-07T18:50:38Z
audio: Troisème Leçon de Ténèbres à deux voix: III. Lamed
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.281
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.28
  additional property: Energy
    type: PropertyValue
    value: 0.187
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.071
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.898
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Troisème Leçon de Ténèbres à deux voix: VI. Jerusalem, convertere ad Dominum
type: MusicRecording
duration: PT1M41S
duration ms: 101666
explicit: false
by artist: François Couperin
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Couperin & Lalande: Leçons de Ténèbres
  type: MusicAlbum
  date published: 2025-04-11
genre: classical
genre: classical-era
genre: early-music
genre: baroque
genre: french-baroque
isrc code: FR50X2412921
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:31:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf404e78639242ab3b0533ddbad23ed98080d7907caa1d06154e6f3fb789572cc
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/FR50X2412921
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf404e78639242ab3b0533ddbad23ed98080d7907caa1d06154e6f3fb789572cc. 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/FR50X2412921.
  date published: 2026-07-08T03:22:41Z
audio: Troisème Leçon de Ténèbres à deux voix: VI. Jerusalem, convertere ad Dominum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.167
  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: 0.129
  additional property: Energy
    type: PropertyValue
    value: 0.177
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.191
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.225
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.991
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Miserere, S. 87: II. Amplius lava me
type: MusicRecording
duration: PT2M30S
duration ms: 150426
explicit: false
by artist: Michel Richard Delalande
by artist: Paco Garcia
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Couperin & Lalande: Leçons de Ténèbres
  type: MusicAlbum
  date published: 2025-04-11
isrc code: FR50X2412924
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:22:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4f1986b10a5e7ab15b19457ecd4b9022651d68d13b9cf38284805fdc0bf615e2
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/FR50X2412924
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f1986b10a5e7ab15b19457ecd4b9022651d68d13b9cf38284805fdc0bf615e2. 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/FR50X2412924.
  date published: 2026-07-08T03:20:19Z
audio: Miserere, S. 87: II. Amplius lava me
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.541
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.194
  additional property: Energy
    type: PropertyValue
    value: 0.11
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.934
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.139
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.345
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Miserere, S. 87: IV. Asperges me hysopo
type: MusicRecording
duration: PT3M48S
duration ms: 228626
explicit: false
by artist: Michel Richard Delalande
by artist: Paco Garcia
by artist: Ensemble les Surprises
by artist: Louis-Noël Bestion de Camboulas
in album: Couperin & Lalande: Leçons de Ténèbres
  type: MusicAlbum
  date published: 2025-04-11
isrc code: FR50X2412926
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T20:14:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x08c642a460982b04555080bc70a8a800bdffb7bf21c5a057cf650d52700cff83
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/FR50X2412926
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
subject of: OpenTimestamps Proof of Existence
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Miserere, S. 87: VI. Redde mihi lætitiam
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The Experts: The Bach & Silbermann Dynasties
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    date published: 2026-07-08T03:20:19Z
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track: Sonata in B-Flat Major, H. 32, Wq. 49/4: II. Andante

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OpenTimestamps Proof of Existence
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C.P.E. Bach: Lied "Lyda", H. 737, Wq. 202g/2
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