Reynaldo Hahn
type: MusicGroup
genre: classical piano
description: thumb|Hahn in 1906|alt=photograph of elegantly dressed white man with neat moustache and beard, wearing a hat at a jaunty angle; he has a cigarette in his right hand Reynaldo Hahn de Echenagucia (9 Au
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album: French Melodies
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album: Hann: Musique de chambre, Vol. 2
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  date published: 2013-08-06
album: Cello Music from Proust's Salons
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  track: Romance in A Major, Op. 69
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  track: Élégie in C Minor, Op. 24 (Version for Cello & Piano)
  track: Cello Sonata No. 1 in C Minor, Op. 32: III. Allegro moderato
  track: Cello Sonata in A Minor: II. Lamento
  track: Violin Sonata in A Major, FWV 8 (Arr. J. Delsart for Cello & Piano): II. Allegro
  track: Violin Sonata in A Major, FWV 8 (Arr. J. Delsart for Cello & Piano): III. Recitativo-Fantasia
  track: Violin Sonata in A Major, FWV 8 (Arr. J. Delsart for Cello & Piano): IV. Allegretto poco mosso
album: Reynaldo Hahn: L’île du rêve
album: "Music for a While" - Relaxing Melodies
album: Calm Classics - Soundscape of Serenity
track: L'heure exquise
track: Poèmes "Le rossignol éperdu" (Excerpts): No. 26, Mirage
track: Hahn: Le rossignol éperdu: No. 52, Hivernale
track: Premières valses: V. A l'ombre rêveuse de Chopin
track: Une revue: Los Enamorados (Arr. for Piano)
track: Hahn: À Chloris
track: Hahn: Études latines: No. 2, Néère
track: Si mes vers avaient des ailes (If my songs were only winged) (arr. J. Lloyd Webber for 2 cellos and piano)
track: A Chloris

Cello Sonata in A Minor: II. Lamento
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Hahn: À Chloris
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L'heure exquise
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Poèmes "Le rossignol éperdu" (Excerpts): No. 26, Mirage
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Poèmes "Le rossignol éperdu" (Excerpts): No. 26, Mirage
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Premières valses: V. A l'ombre rêveuse de Chopin
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by artist: Eric Le Sage
in album: Jardins suspendus
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popularity: 18
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Premières valses: V. A l'ombre rêveuse de Chopin
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Une revue: Los Enamorados (Arr. for Piano)
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duration: PT2M30S
duration ms: 150986
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by artist: Reynaldo Hahn
by artist: Gottlieb Wallisch
in album: 20th Century Foxtrots, Vol. 4: France & Belgium
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popularity: 17
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Une revue: Los Enamorados (Arr. for Piano)
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Hahn: Études latines: No. 2, Néère
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duration: PT3M29S
duration ms: 209146
explicit: false
by artist: Reynaldo Hahn
by artist: Lea Desandre
by artist: Thomas Dunford
in album: Idylle
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popularity: 14
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additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Hahn: Études latines: No. 2, Néère
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  additional property: Valence (Positivity)
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Si mes vers avaient des ailes (If my songs were only winged) (arr. J. Lloyd Webber for 2 cellos and piano)
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by artist: Julian Lloyd Webber
by artist: Jiaxin Lloyd Webber
by artist: John Lenehan
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popularity: 10
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Si mes vers avaient des ailes (If my songs were only winged) (arr. J. Lloyd Webber for 2 cellos and piano)
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A Chloris
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duration: PT2M59S
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by artist: Christian-Pierre La Marca
in album: L'heure exquise
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popularity: 4
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: A Chloris
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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Élégie in C Minor, Op. 24 (Version for Cello & Piano)
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by artist: Steven Isserlis
by artist: Connie Shih
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popularity: 5
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe584d13d26ecf6f94db1ddf457abf74b7d69d7635a4b9dd16e53020315c7d168. 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/SEAEB2022030.
  date published: 2026-07-08T03:22:41Z
audio: Élégie in C Minor, Op. 24 (Version for Cello & Piano)
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Cello Sonata No. 1 in C Minor, Op. 32: III. Allegro moderato
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Violin Sonata in A Major, FWV 8 (Arr. J. Delsart for Cello & Piano): II. Allegro
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Violin Sonata in A Major, FWV 8 (Arr. J. Delsart for Cello & Piano): III. Recitativo-Fantasia
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Violin Sonata in A Major, FWV 8 (Arr. J. Delsart for Cello & Piano): IV. Allegretto poco mosso
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Reynaldo Hahn: L’île du rêve
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"Music for a While" - Relaxing Melodies
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Ma mère l'oye, M. 62: III. Pavane de la belle au bois dormant
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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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Music for a While (from Oedipus, Z. 583)
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subject of: OpenTimestamps Proof of Existence
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audio: Music for a While (from Oedipus, Z. 583)
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Polovetsian Dances from Prince Igor: Introduzione
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Polovetsian Dances from Prince Igor: Introduzione
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Pictures at an Exhibition: II. Il vecchio castello
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Pictures at an Exhibition: II. Il vecchio castello
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Sonata in F Minor, K. 466 (Arr. for Guitar by Michael Lewin)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Sonata in F Minor, K. 466 (Arr. for Guitar by Michael Lewin)
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Zdes' khorosho, Op. 21, No. 7
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Zdes' khorosho, Op. 21, No. 7
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Lyric Pieces, Book III, Op.47: 3. Melody - Live
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3 Gymnopédies: No. 1, Lent et douloureux
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Rêverie, L. 68
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Cavalleria rusticana: Act I: Intermezzo sinfonico
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6 Chorale Preludes, BV B 50: Herzlich tut mich verlangen, Op. 122/10
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Song Without Words, Op. 109
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La fille aux cheveux de lin
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Sonata in D Minor, K. 32 (Arr. for Guitar by Michael Lewin)
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Carnival of the Animals, R. 125: The Swan
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by artist: Philippe Entremont
by artist: Gaby Casadesus
by artist: Yo-Yo Ma
by artist: Michel Cerruti
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by artist: Yan Pascal Tortelier
by artist: Gabin Lauridon
by artist: Gerard Causse
by artist: Alain Marion
by artist: Michel Arrignon
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Carnival of the Animals, R. 125: The Swan
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Rapsodie espagnole, M. 54: I. Prélude à la nuit
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Rapsodie espagnole, M. 54: I. Prélude à la nuit
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Sicilienne, Op. 78
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Sicilienne, Op. 78
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Tomorrow's Song
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Tomorrow's Song
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Lieder ohne Worte, Op. 19b: No. 1 in E Major. Andante con moto, MWV U 86
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Lieder ohne Worte, Op. 19b: No. 1 in E Major. Andante con moto, MWV U 86
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Ave verum corpus, K.618 (Arr. for Piano by Franz Liszt)
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  date published: 2026-07-08T03:20:19Z
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Nostalgie du pays, extrait des Miniatures polonaises
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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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x994140500b2728bb598e795f1c3eba10a53a90d3880c8bae378af4d220e03d4c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12100444.
  date published: 2026-07-08T03:53:27Z
audio: Nostalgie du pays, extrait des Miniatures polonaises
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Trio Sonata in C Major, RV 82: II. Larghetto (Arr. for Guitar by Michael Lewin & James Halliday )
type: MusicRecording
duration: PT3M51S
duration ms: 231746
explicit: false
by artist: Antonio Vivaldi
by artist: Miloš Karadaglić
by artist: Arcangelo
by artist: Jonathan Cohen
in album: "Music for a While" - Relaxing Melodies
  type: MusicAlbum
  date published: 2025-06-01
popularity: 14
isrc code: USSM12303908
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12303908
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdbda44b892f1d3d01e2e4284d14e08e699df33ca302bd6e91e72e0e009a0470. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12303908.
  date published: 2026-07-08T03:53:27Z
audio: Trio Sonata in C Major, RV 82: II. Larghetto (Arr. for Guitar by Michael Lewin & James Halliday )
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    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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Suite Bergamasque, L. 75: III. Clair de lune
type: MusicRecording
duration: PT5M33S
duration ms: 333706
explicit: false
by artist: Claude Debussy
by artist: Khatia Buniatishvili
in album: "Music for a While" - Relaxing Melodies
  type: MusicAlbum
  date published: 2025-06-01
popularity: 14
genre: classical
genre: impressionism
genre: post-romantic-era
isrc code: USSM11308074
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11308074
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd790ece2eb3f31f20177b8c513ec61d4d6f0683b6120d29831586de338b8a062. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USSM11308074.
  date published: 2026-07-08T08:56:20Z
audio: Suite Bergamasque, L. 75: III. Clair de lune
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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Grain Moon
type: MusicRecording
duration: PT3M23S
duration ms: 203400
explicit: false
by artist: Olivia Belli
by artist: Federico Perpich
by artist: Luca Mengoni
in album: "Music for a While" - Relaxing Melodies
  type: MusicAlbum
  date published: 2025-06-01
popularity: 14
isrc code: USSM12101480
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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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 0x33a31ef8697dc5ee3b0a47ff8049a9ff0847db2f7eb630f756a45a1dc4b37ff7. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USSM12101480.
  date published: 2026-07-08T08:56:20Z
audio: Grain Moon
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Mode Name
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Sinfonia for Strings and Basso Continuo in C Major (From "Il Giustino RV 717"): II. Andante
type: MusicRecording
duration: PT2M33S
duration ms: 153706
explicit: false
by artist: Antonio Vivaldi
by artist: Concerto Köln
in album: "Music for a While" - Relaxing Melodies
  type: MusicAlbum
  date published: 2025-06-01
popularity: 13
isrc code: USSM11906178
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d396a4fc56801e82b509bceb5da6630e03cf7618dfcfe560265b98f1bd247af. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11906178.
  date published: 2026-07-08T03:53:27Z
audio: Sinfonia for Strings and Basso Continuo in C Major (From "Il Giustino RV 717"): II. Andante
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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6 Impromptus, Op. 5: Impromptu VI
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duration: PT6M9S
duration ms: 369026
explicit: false
by artist: Jean Sibelius
by artist: Leif Ove Andsnes
in album: "Music for a While" - Relaxing Melodies
  type: MusicAlbum
  date published: 2025-06-01
popularity: 13
genre: classical
genre: impressionism
genre: post-romantic-era
genre: finnish-classical
isrc code: USSM11703791
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ad246b02d3083d45725e7993cc342726dc9e113d0dd0f46cc17f26583839ef5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11703791.
  date published: 2026-07-08T03:53:27Z
audio: 6 Impromptus, Op. 5: Impromptu VI
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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duration: PT4M53S
duration ms: 293233
explicit: false
by artist: Johann Sebastian Bach
by artist: Leonidas Kavakos
by artist: The Apollon Ensemble
in album: "Music for a While" - Relaxing Melodies
  type: MusicAlbum
  date published: 2025-06-01
popularity: 13
genre: classical
genre: classical-piano
isrc code: USSM12308699
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c58efcb262079ab833908925c3dfa9c8808fad8c0c7dfb4c7c8c284e490525a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12308699.
  date published: 2026-07-08T03:53:27Z
audio: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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  additional property: Mode (Major/Minor)
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Milonga
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duration: PT2M14S
duration ms: 134480
explicit: false
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by artist: Xavier De Maistre
in album: "Music for a While" - Relaxing Melodies
  type: MusicAlbum
  date published: 2025-06-01
popularity: 12
genre: orchestra
isrc code: USBC10901089
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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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: Milonga
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Consolation No. 3 in D-Flat Major, S. 172
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by artist: Lang Lang
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additional property: OTSTimestamp
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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: Consolation No. 3 in D-Flat Major, S. 172
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Les Barricades Mystérieuses
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by artist: Khatia Buniatishvili
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additional property: OTSTimestamp
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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: Les Barricades Mystérieuses
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Zoroastre, RCT 62, Act I, Scène III: Air tendre en rendeau
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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: Zoroastre, RCT 62, Act I, Scène III: Air tendre en rendeau
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Keyboard Concerto in F Minor, BWV 1056: Keyboard Concerto in F Minor, BWV 1056: II. Largo
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Keyboard Concerto in F Minor, BWV 1056: Keyboard Concerto in F Minor, BWV 1056: II. Largo
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Abendlied, Op. 85, No. 12
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Abendlied, Op. 85, No. 12
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Berceuse
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  date published: 2026-07-08T08:56:20Z
audio: Berceuse
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Purcell: Dido and Aeneas, Z. 626: When I am laid in earth (Dido's Lament)
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track: Mendelssohn, Fanny: 6 Lieder, Op. 7: No. 2, Erwin
track: Traditional: Danny Boy (Bill Evans Version)
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OpenTimestamps Proof of Existence
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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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb99b6619cd7b9fd82e25cfdc3066939f4344cb95f0268849b570ad3e3851f24c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301093.
  date published: 2026-07-02T03:30:09Z
audio: Horizon
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Mozart: Komm, liebe Zither, komm, K. 351
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duration: PT1M57S
duration ms: 117653
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sabine Devieilhe
by artist: Mathieu Pordoy
in album: Calm Classics - Soundscape of Serenity
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  date published: 2025-09-22
genre: classical
genre: classical-era
isrc code: GBAYC2400044
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x594b23f22f860f1ed78f32e28b76ebdcc816bbbbffdad3272871b28b1d1886dd. 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/GBAYC2400044.
  date published: 2026-07-02T03:55:08Z
audio: Mozart: Komm, liebe Zither, komm, K. 351
  type: AudioObject
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  additional property: Mode (Major/Minor)
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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Moondog: Bird’s Lament
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duration: PT2M1S
duration ms: 121573
explicit: false
by artist: Moondog
by artist: Shani Diluka
in album: Calm Classics - Soundscape of Serenity
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  date published: 2025-09-22
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additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2202384
additional property: OTSTimestamp
  type: PropertyValue
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabf3fae01e3b4da09f2ca5870f390f657ce226a65dfd178667d59818192d3267. 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/GBAYC2202384.
  date published: 2026-07-02T03:55:08Z
audio: Moondog: Bird’s Lament
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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Mendelssohn-Hensel: 6 Lieder, Op. 9: No. 6, Die Mainacht (Version for Flute and Piano)
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duration: PT2M1S
duration ms: 121240
explicit: false
by artist: Fanny Mendelssohn
by artist: Emmanuel Pahud
by artist: Eric Le Sage
in album: Calm Classics - Soundscape of Serenity
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genre: early-romantic-era
genre: german-romanticism
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bf073d92c3adb04d2bbd95190ae6d1768a5f8665bd91d664901e036f7862621. 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/GBAYC2300199.
  date published: 2026-07-02T03:55:08Z
audio: Mendelssohn-Hensel: 6 Lieder, Op. 9: No. 6, Die Mainacht (Version for Flute and Piano)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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Strauss, R: 5 Lieder, Op. 48: No. 2, In Schwebe
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duration: PT2M1S
duration ms: 121120
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by artist: Richard Strauss
by artist: Sabine Devieilhe
by artist: Mathieu Pordoy
in album: Calm Classics - Soundscape of Serenity
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genre: opera
genre: orchestra
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64ee29be805af534a71d5ccfeeb31416f3fd1a942d347501bc6a747eb2499123. 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/GBAYC2400040.
  date published: 2026-07-02T03:55:08Z
audio: Strauss, R: 5 Lieder, Op. 48: No. 2, In Schwebe
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
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Illusion
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duration ms: 132554
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in album: Calm Classics - Soundscape of Serenity
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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: 2026-07-02T03:55:08Z
audio: Illusion
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Barrios Mangoré: La catedral: I. Preludio saudade
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by artist: Thibaut García
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Barrios Mangoré: La catedral: I. Preludio saudade
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Godowsky: Triakontameron, Vol. 3: No. 11, Alt Wien
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additional property: OTSVerificationAPI
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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: 2026-07-02T03:30:09Z
audio: Godowsky: Triakontameron, Vol. 3: No. 11, Alt Wien
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Handel: Semele, HWV 58, Act 2: "Prepare, Then, Ye Immortal Choir" (Semele, Ino)
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duration: PT2M16S
duration ms: 136573
explicit: false
by artist: George Frideric Handel
by artist: Jupiter
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by artist: Iestyn Davies
by artist: Lea Desandre
in album: Calm Classics - Soundscape of Serenity
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genre: early-music
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genre: english-baroque
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additional property: OTSVerificationAPI
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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: 2026-07-02T03:30:09Z
audio: Handel: Semele, HWV 58, Act 2: "Prepare, Then, Ye Immortal Choir" (Semele, Ino)
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Fauré: Dolly, Op. 56: I. Berceuse
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by artist: Nicholas Angelich
by artist: Alexandre Tharaud
in album: Calm Classics - Soundscape of Serenity
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additional property: OTSVerificationAPI
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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: 2026-07-02T03:30:09Z
audio: Fauré: Dolly, Op. 56: I. Berceuse
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Prokofiev: Suite No. 2 from Romeo and Juliet, Op. 64ter: VI. Dance of the Girls With Lillies
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duration: PT2M21S
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by artist: Sergei Prokofiev
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by artist: Orchestre Philharmonique De Strasbourg
in album: Calm Classics - Soundscape of Serenity
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Prokofiev: Suite No. 2 from Romeo and Juliet, Op. 64ter: VI. Dance of the Girls With Lillies
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Saint-Saëns: Mélodies persanes, Op. 26: No. 1, La brise
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by artist: Marie-Nicole Lemieux
by artist: Orchestre Philharmonique de Monte-Carlo
by artist: Kazuki Yamada
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Saint-Saëns: Mélodies persanes, Op. 26: No. 1, La brise
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Handel: Messiah, HWV 56, Pt. 1: Pifa. Larghetto e mezzo piano
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by artist: John Nelson
by artist: The English Concert
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Handel: Messiah, HWV 56, Pt. 1: Pifa. Larghetto e mezzo piano
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Boulanger, N: Soleils couchants
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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: Boulanger, N: Soleils couchants
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Beffa: Olympia: III. Charles
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by artist: Orchestre National Bordeaux Aquitaine
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPFW2200139
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36770f74b0b003843a90927b56a3982bafa26b8a73306e020fe341a05751ff68. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPFW2200139.
  date published: 2026-07-02T05:09:12Z
audio: Beffa: Olympia: III. Charles
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Howard: Casino
type: MusicRecording
duration: PT2M41S
duration ms: 161306
explicit: false
by artist: Luke Howard
by artist: Shani Diluka
in album: Calm Classics - Soundscape of Serenity
  type: MusicAlbum
  date published: 2025-09-22
isrc code: GBAYC2202378
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2202378
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc55256c062db09bb3bdc194894f91a312975f6b278e05740533b1443370589d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2202378.
  date published: 2026-07-02T05:09:12Z
audio: Howard: Casino
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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La chanson d’Hélène
type: MusicRecording
duration: PT2M42S
duration ms: 162600
explicit: false
by artist: Philippe Sarde
by artist: Gautier Capuçon
by artist: Jérôme Ducros
in album: Calm Classics - Soundscape of Serenity
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  date published: 2025-09-22
isrc code: GBAYC2301417
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301417
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf9f5d00f10835869e02d48989d89e457dab2a0c77ded7e7dd24d35476745c3b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301417.
  date published: 2026-07-02T05:09:12Z
audio: La chanson d’Hélène
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Rain
type: MusicRecording
duration: PT2M42S
duration ms: 162125
explicit: false
by artist: Aleksander Debicz
by artist: Konrad Gołda
in album: Calm Classics - Soundscape of Serenity
  type: MusicAlbum
  date published: 2025-09-22
isrc code: GBAYC2302334
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2302334
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ecd0b18068790d18f280429ee6db6fe8798ec47c524eb5e228c1dabb922c8ae. 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/GBAYC2302334.
  date published: 2026-07-02T03:55:08Z
audio: Rain
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Couperin, F: Second livre de pièces de clavecin, Sixième ordre: V. Les barricades mystérieuses
type: MusicRecording
duration: PT2M44S
duration ms: 164840
explicit: false
by artist: François Couperin
by artist: Martin James Bartlett
in album: Calm Classics - Soundscape of Serenity
  type: MusicAlbum
  date published: 2025-09-22
genre: classical
genre: classical-era
genre: early-music
genre: baroque
genre: french-baroque
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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/GBAYC2302251
additional property: OTSTimestamp
  type: PropertyValue
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1e87c1a556f557a55489f960fecc6e289a46182cb271fa3df9dd2f3077a9756. 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/GBAYC2302251.
  date published: 2026-07-02T03:55:08Z
audio: Couperin, F: Second livre de pièces de clavecin, Sixième ordre: V. Les barricades mystérieuses
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    type: PropertyValue
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Loudness (dB)
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Handel: Messiah, HWV 56, Pt. 1: Accompagnato. "Comfort Ye, My People"
type: MusicRecording
duration: PT2M48S
duration ms: 168746
explicit: false
by artist: George Frideric Handel
by artist: John Nelson
by artist: The English Concert
by artist: Michael Spyres
in album: Calm Classics - Soundscape of Serenity
  type: MusicAlbum
  date published: 2025-09-22
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: GBPFW2300169
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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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 0x44c372b79f1b922f400011bad72bb9f957bb3e27e7149930530e42bae2fc82ee. 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/GBPFW2300169.
  date published: 2026-07-02T03:55:08Z
audio: Handel: Messiah, HWV 56, Pt. 1: Accompagnato. "Comfort Ye, My People"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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Handel: Esther, HWV 50b, Act 2: "Who Calls My Parting Soul from Death?" (Esther, Ahasuerus)
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duration: PT2M47S
duration ms: 167840
explicit: false
by artist: George Frideric Handel
by artist: Jupiter
by artist: Thomas Dunford
by artist: Iestyn Davies
by artist: Lea Desandre
in album: Calm Classics - Soundscape of Serenity
  type: MusicAlbum
  date published: 2025-09-22
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
isrc code: GBPFW2200091
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85d6cdce63f11287055e8edbf75239f1c8d5e3d841ff3660874c9999d984ca3a. 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/GBPFW2200091.
  date published: 2026-07-02T03:55:08Z
audio: Handel: Esther, HWV 50b, Act 2: "Who Calls My Parting Soul from Death?" (Esther, Ahasuerus)
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  additional property: Mode (Major/Minor)
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  additional property: Valence (Positivity)
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Barrios Mangoré: Villancico de Navidad
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duration: PT2M49S
duration ms: 169466
explicit: false
by artist: Agustín Barrios Mangoré
by artist: Thibaut García
in album: Calm Classics - Soundscape of Serenity
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  date published: 2025-09-22
isrc code: GBAYC2301530
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301530
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
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 0x78e7f45cdbc0f576eb8071a0b9eb6a2bb27273369e4660b23926b72ccb7fc380. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBAYC2301530.
  date published: 2026-07-02T11:34:59Z
audio: Barrios Mangoré: Villancico de Navidad
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.411
  additional property: Energy
    type: PropertyValue
    value: 0.032
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.945
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.126
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.995
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lehár: Friederike: "Warum hast du mich wachgeküsst?" (Friederike)
type: MusicRecording
duration: PT2M50S
duration ms: 170401
explicit: false
by artist: Franz Lehár
by artist: Diana Damrau
by artist: Ernst Theis
by artist: Das Münchner Rundfunkorchester
in album: Calm Classics - Soundscape of Serenity
  type: MusicAlbum
  date published: 2025-09-22
genre: opera
isrc code: GBAYC2302053
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xff1963467d379e72049b53f9cd12bcce2042f568c3ddad46eb3f0eea5c549fd3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2302053
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
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 0xff1963467d379e72049b53f9cd12bcce2042f568c3ddad46eb3f0eea5c549fd3. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBAYC2302053.
  date published: 2026-07-02T11:34:59Z
audio: Lehár: Friederike: "Warum hast du mich wachgeküsst?" (Friederike)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.248
  additional property: Energy
    type: PropertyValue
    value: 0.1
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.118
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.79
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Once Upon a Dream (From "Sleeping Beauty")
type: MusicRecording
duration: PT2M51S
duration ms: 171773
explicit: false
by artist: Sammy Fain
by artist: The King's Singers
by artist: John Paul Ekins
by artist: Lucienne Renaudin Vary
by artist: Plínio Fernandes
in album: Calm Classics - Soundscape of Serenity
  type: MusicAlbum
  date published: 2025-09-22
isrc code: GBAYC2202474
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T07:05:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcafcd141b35e14c623d24a6f4bbe185adc4cdf9a9fe071500be4547e18ca3979
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2202474
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
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 0xcafcd141b35e14c623d24a6f4bbe185adc4cdf9a9fe071500be4547e18ca3979. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBAYC2202474.
  date published: 2026-07-02T11:34:59Z
audio: Once Upon a Dream (From "Sleeping Beauty")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.446
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.251
  additional property: Energy
    type: PropertyValue
    value: 0.064
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.034
  additional property: Liveness
    type: PropertyValue
    value: 0.131
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.077
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.811
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
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Ravel: Shéhérazade, M. 41: No. 2, La flûte enchantée
type: MusicRecording
duration: PT2M52S
duration ms: 172680
explicit: false
by artist: Maurice Ravel
by artist: Marie-Nicole Lemieux
by artist: Orchestre Philharmonique de Monte-Carlo
by artist: Kazuki Yamada
in album: Calm Classics - Soundscape of Serenity
  type: MusicAlbum
  date published: 2025-09-22
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: GBAYC2301186
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T09:00:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8373086b03a06361eed7d510a3bb27cb826a362bba1abc0a234dd46d7af5fc53
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301186
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8373086b03a06361eed7d510a3bb27cb826a362bba1abc0a234dd46d7af5fc53. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301186.
  date published: 2026-07-02T05:09:12Z
audio: Ravel: Shéhérazade, M. 41: No. 2, La flûte enchantée
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.529
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.267
  additional property: Energy
    type: PropertyValue
    value: 0.039
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.462
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Bernstein: West Side Story: Somewhere (Arr. Penaforte for Violin and Piano)
type: MusicRecording
duration: PT2M53S
duration ms: 173706
explicit: false
by artist: Leonard Bernstein
by artist: Augustin Hadelich
by artist: Orion Weiss
in album: Calm Classics - Soundscape of Serenity
  type: MusicAlbum
  date published: 2025-09-22
genre: classical
genre: orchestra
isrc code: GBAYC2400591
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T23:56:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1a61eb1dacca4aa41f91ca3c20e1af0f6e3f180d7fbd2bbda211b74ed281d2b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2400591
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
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 0xe1a61eb1dacca4aa41f91ca3c20e1af0f6e3f180d7fbd2bbda211b74ed281d2b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBAYC2400591.
  date published: 2026-07-02T11:34:59Z
audio: Bernstein: West Side Story: Somewhere (Arr. Penaforte for Violin and Piano)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.502
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.276
  additional property: Energy
    type: PropertyValue
    value: 0.095
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.918
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.058
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.075
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.193
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
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Love Story
type: MusicRecording
duration: PT2M54S
duration ms: 174573
explicit: false
by artist: Francis Lai
by artist: Renaud Capuçon
by artist: Les Siècles
by artist: Duncan Ward
in album: Calm Classics - Soundscape of Serenity
  type: MusicAlbum
  date published: 2025-09-22
isrc code: GBAYC2301888
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T00:38:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfc101938e5db3f662629e95d3e6b76a2ea808217f2d90968c159caa920ec952e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301888
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
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 0xfc101938e5db3f662629e95d3e6b76a2ea808217f2d90968c159caa920ec952e. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/GBAYC2301888.
  date published: 2026-07-02T11:34:59Z
audio: Love Story
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.25
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.195
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.075
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.026
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Satie: 3 Gymnopédies: No. 1, Lent et douloureux
type: MusicRecording
duration: PT2M57S
duration ms: 177560
explicit: false
by artist: Erik Satie
by artist: Bertrand Chamayou
in album: Calm Classics - Soundscape of Serenity
  type: MusicAlbum
  date published: 2025-09-22
genre: classical
genre: classical-piano
genre: impressionism
isrc code: GBAYC2301253
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T23:37:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x34fec988bfc8530464122e440ba4d18675f9e7ec4b0ae34f1969728a181f2c90
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/GBAYC2301253
additional property: OTSTimestamp
  type: PropertyValue
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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 0x34fec988bfc8530464122e440ba4d18675f9e7ec4b0ae34f1969728a181f2c90. 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/GBAYC2301253.
  date published: 2026-07-02T03:55:08Z
audio: Satie: 3 Gymnopédies: No. 1, Lent et douloureux
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.026
  additional property: Speechiness
    type: PropertyValue
    value: 0.077
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.943
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.34
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Schumann: 3 Romances for Violin and Piano, Op. 22: No. 1, Andante molto
type: MusicRecording
duration: PT3M2S
duration ms: 182200
explicit: false
by artist: Clara Schumann
by artist: Maria Ioudenitch
by artist: Kenny Broberg
in album: Calm Classics - Soundscape of Serenity
  type: MusicAlbum
  date published: 2025-09-22
genre: classical
genre: early-romantic-era
genre: german-romanticism
isrc code: GBAYC2202511
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T14:53:14+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f9e32ab177fdf8b6524b759f4c3534358a129498bbd62497c5385205853d459. 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/GBAYC2202511.
  date published: 2026-07-02T03:55:08Z
audio: Schumann: 3 Romances for Violin and Piano, Op. 22: No. 1, Andante molto
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Orchid
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duration: PT3M4S
duration ms: 184576
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by artist: Aleksander Debicz
by artist: Michał Żak
in album: Calm Classics - Soundscape of Serenity
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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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  date published: 2026-07-02T03:55:08Z
audio: Orchid
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Glass: Glassworks: Opening
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duration: PT3M7S
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explicit: false
by artist: Philip Glass
by artist: Shani Diluka
in album: Calm Classics - Soundscape of Serenity
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a1a3017ef11c9d14789a16f7297a497038d29497c8e38fdc71922fde72b2bad. 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/GBAYC2202389.
  date published: 2026-07-02T03:55:08Z
audio: Glass: Glassworks: Opening
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Ravel: Sonatine, M. 40: II. Mouvement de menuet
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duration: PT3M13S
duration ms: 193893
explicit: false
by artist: Maurice Ravel
by artist: Fazıl Say
in album: Calm Classics - Soundscape of Serenity
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genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
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additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa12bc7a3687e64ccc33ac625ea73382950787831fec36186f07f72a8195cafc4. 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/GBPFW2200298.
  date published: 2026-07-02T16:51:38Z
audio: Ravel: Sonatine, M. 40: II. Mouvement de menuet
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Legrand: The Windmills of Your Mind (From "The Thomas Crown Affair")
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by artist: Michel Legrand
by artist: Renaud Capuçon
by artist: Les Siècles
by artist: Duncan Ward
in album: Calm Classics - Soundscape of Serenity
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d52a99936be10afe30a73b1c344118351e4847df565ee46fcbe758339e89fd5. 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/GBAYC2301876.
  date published: 2026-07-02T16:51:38Z
audio: Legrand: The Windmills of Your Mind (From "The Thomas Crown Affair")
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Liszt: 12 Lieder von Schubert, S. 558: No. 9, Ständchen (After Schubert’s D. 889)
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duration: PT3M16S
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explicit: false
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by artist: Fazıl Say
in album: Calm Classics - Soundscape of Serenity
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genre: classical
genre: late-romantic-era
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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: 2026-07-02T03:55:08Z
audio: Liszt: 12 Lieder von Schubert, S. 558: No. 9, Ständchen (After Schubert’s D. 889)
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Satie: 6 Gnossiennes: No. 1, Lent
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by artist: Thomas Dunford
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genre: classical
genre: classical-piano
genre: impressionism
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: Satie: 6 Gnossiennes: No. 1, Lent
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Le Panthéon - J’ai deux amours
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by artist: Félicien Brut
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additional property: CopyrightChainExplorerURL
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f29a03ddb1e533016bd270041639dafc49b574dc3e94903a95f277a8be2650e. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBPFW2200130.
  date published: 2026-07-06T07:53:57Z
audio: Le Panthéon - J’ai deux amours
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Lysenko: Rhapsody on Ukrainian Themes No. 2, Op. 18: I. Dumka (Version for Piano Solo)
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duration: PT3M20S
duration ms: 200680
explicit: false
by artist: Mykola Lysenko
by artist: Anastasia Rizikov
in album: Calm Classics - Soundscape of Serenity
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additional property: OTSVerificationAPI
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ed6d8c3fcc50917002d6cdd8e755a8d77411895b98313661403310abbb4085d. 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/GBAYC2400453.
  date published: 2026-07-06T06:56:49Z
audio: Lysenko: Rhapsody on Ukrainian Themes No. 2, Op. 18: I. Dumka (Version for Piano Solo)
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Debussy: Petite suite, CD 71, L. 65: I. En bateau
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duration: PT3M22S
duration ms: 202053
explicit: false
by artist: Claude Debussy
by artist: Frédéric Vaysse-Knitter
by artist: Alexandre Tharaud
in album: Calm Classics - Soundscape of Serenity
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genre: classical
genre: impressionism
genre: post-romantic-era
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additional property: OTSVerificationAPI
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37a1bebbf72f7e1dc383679304957e98cb63af4305f0269b9144bbfbb25a1024. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/GBAYC2302551.
  date published: 2026-07-07T13:52:39Z
audio: Debussy: Petite suite, CD 71, L. 65: I. En bateau
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Strauss, R: 5 Lieder, Op. 48: No. 4, Winterweihe
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duration: PT3M23S
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by artist: Richard Strauss
by artist: Sabine Devieilhe
by artist: Mathieu Pordoy
in album: Calm Classics - Soundscape of Serenity
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genre: classical
genre: opera
genre: orchestra
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a9cdf9c97e15d6286f52b946d0684d16dc500916933edc2fe4f74c608602d42. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2400039.
  date published: 2026-07-07T13:25:45Z
audio: Strauss, R: 5 Lieder, Op. 48: No. 4, Winterweihe
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Caccini: Le nuove musiche: No. 8, Amarilli, mia bella
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duration: PT3M25S
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by artist: Jakub Józef Orliński
by artist: Il Pomo D'oro
in album: Calm Classics - Soundscape of Serenity
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genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: Caccini: Le nuove musiche: No. 8, Amarilli, mia bella
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Strauss II, J: Das Spitzentuch der Königin: "Wo die wilde Rose erblüht" (Königin, König, Irene)
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duration: PT3M27S
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by artist: Johann Strauss II
by artist: Diana Damrau
by artist: Elke Kottmair
by artist: Emily Sierra
by artist: Ernst Theis
by artist: Das Münchner Rundfunkorchester
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
audio: Strauss II, J: Das Spitzentuch der Königin: "Wo die wilde Rose erblüht" (Königin, König, Irene)
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Hahn: Le rossignol éperdu: No. 52, Hivernale
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by artist: Shani Diluka
in album: A Winter Journey
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popularity: 21
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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: Hahn: Le rossignol éperdu: No. 52, Hivernale
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Hahn: À Chloris
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duration: PT3M12S
duration ms: 192053
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by artist: Lea Desandre
by artist: Thomas Dunford
in album: Idylle
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popularity: 16
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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/GBAYC2301796
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 0x3e2e2b0ddd3ddeb6d02812e0160e2dcc50cf900ec1f1c8a83c115a398f2493b4. 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/GBAYC2301796.
  date published: 2026-07-02T03:55:08Z
audio: Hahn: À Chloris
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.648
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.333
  additional property: Energy
    type: PropertyValue
    value: 0.041
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.136
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.046
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.088
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor