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album: Spring is Coming
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album: Scarlatti: Sinfonie di concerto grosso
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album: Tartini: Violin Sonatas
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album: Veracini: XII Sonate a violino solo e basso, Op. I
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album: Scarlatti: Sinfonia di concerto grosso
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album: A. Stradella: Cantata per la Notte di Natale
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album: Vivaldi: Una storia particolare
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album: String Quintets Vol. XI: Boccherini - 6 String Quintets, Op. 28
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album: Vivaldi: Le Passioni dell'Uomo - Violin Concertos
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  track: Concerto for Strings and Basso Continuo in C Minor, RV 197: II. Largo
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album: Pietro Antonio Locatelli: Concerti grossi, Op. 1 (Vol. 2)
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album: Vivaldi: Le quattro stagioni
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album: Le 10 fiabe per bambini più belle di sempre
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The Four Seasons No. 4 in F Minor, RV 297, Op. 8, "Winter": I. Allegro non molto
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Lamento della ninfa, SV 163: Amor, amor
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Folle è ben che si crede
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Quelles beautés, ô mortels (Récit de Mnémosyne)
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  date published: 2026-07-02T03:55:08Z
audio: Quelles beautés, ô mortels (Récit de Mnémosyne)
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Che si può fare?
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audio: Che si può fare?
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The Fairy Queen, Z. 629, Act III: If Love's a Sweet Passion
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  date published: 2026-07-02T03:55:08Z
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Now, O Now I Needs Must Part
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audio: Now, O Now I Needs Must Part
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Thy Hand Belinda ... When I Am Laid in Earth (Dido's Lament)
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The Four Seasons, Concerto No. 1 in E Major, RV 269, Op. 8, "Spring": I. Allegro
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The Four Seasons, Concerto No. 1 in E Major, RV 269, Op. 8, "Spring": II. Allegro e pianissimo sempre
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Pietro Antonio Locatelli: Concerti grossi, Op. 1 (Vol. 2)
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Boccherini: String Quintets, Vol. 7
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Vivaldi: Le quattro stagioni
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Vivaldi: Für mein Baby
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track: Vier letzte Lieder, TrV 296: No. 1, Frühling
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track: An der schönen blauen Donau, Op. 314
track: Light Cavalry (Overture)
track: Carnival of the Animals: XIII. The Swan
track: The Italian Girl in Algiers: Overture
track: Czech Suite, Op. 39: IV. Romance
track: Floods of Spring, Op. 14 No. 11

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The Seasons, Op. 37b: No. 4, April. Snowdrop
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Vier letzte Lieder, TrV 296: No. 1, Frühling
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Preludes, Op. 28: No. 15, Prelude in D-Flat Major "Raindrop"
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Liebestraum, S. 541 No. 3, Oh Lieb, so lang du lieben kannst in A-Flat Major
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Lyric Pieces, Op. 43: VI. To the Spring
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Lyric Pieces, Op. 43: I. Butterfly
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An der schönen blauen Donau, Op. 314
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Light Cavalry (Overture)
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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 0x25f08c71e48d315350f2e3cf67659069f7e40571c138c4d113915c2c9df7a9a1. 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/NLY331405646.
  date published: 2026-07-08T03:22:41Z
audio: Light Cavalry (Overture)
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Carnival of the Animals: XIII. The Swan
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duration: PT3M6S
duration ms: 186253
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by artist: Camille Saint-Saëns
by artist: Royal Philharmonic Orchestra
by artist: Charles Dutoit
by artist: Tim Gill
by artist: Roderick elms
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genre: classical
genre: late-romantic-era
genre: french-romanticism
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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: 2026-07-07T16:43:21Z
audio: Carnival of the Animals: XIII. The Swan
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The Italian Girl in Algiers: Overture
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duration: PT7M57S
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by artist: Royal Philharmonic Orchestra
by artist: Charles Dutoit
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genre: classical
genre: opera
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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: 2026-07-08T03:53:27Z
audio: The Italian Girl in Algiers: Overture
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Czech Suite, Op. 39: IV. Romance
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duration: PT4M1S
duration ms: 241080
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by artist: Antonín Dvořák
by artist: Janáček Philharmonic Orchestra
by artist: Theodore Kuchar
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  date published: 2020-09-04
genre: classical
genre: late-romantic-era
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additional property: CopyrightID
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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: 2026-07-08T03:20:19Z
audio: Czech Suite, Op. 39: IV. Romance
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Floods of Spring, Op. 14 No. 11
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by artist: Sergei Rachmaninoff
by artist: Giovanni Doria Miglietta
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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: 2026-07-07T15:12:44Z
audio: Floods of Spring, Op. 14 No. 11
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Vivaldi: Masterpieces
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date published: 2024-02-29
track: Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": II. Largo e pianissimo sempre
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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 0x8cec2cdafcbb27dbb0cec2e00aa0a86e4038a8b5d68d94296bbc8f9ef5f1afbe. 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/GBAYC8802411.
    date published: 2026-07-08T03:53:27Z
  audio: Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": II. Largo e pianissimo sempre
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track: Vivaldi: Flute Concerto in D Major, Op. 10 No. 3, RV 428 "Il gardellino": I. Allegro
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Vivaldi: Gloria in D Major, RV 589: I. Gloria in excelsis Deo
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  subject of: OpenTimestamps Proof of Existence
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track: Vivaldi: Lute Concerto in D Major, RV 93: II. Largo
track: Vivaldi: L'estro armonico, Violin Concerto in A Minor, Op. 3 No. 6, RV 356: I. Allegro
track: Vivaldi: Stabat Mater in F Minor, RV 621: I. Stabat Mater dolorosa
track: Vivaldi: Concerto for Two Mandolins in G Major, RV 532: II. Andante
track: Vivaldi: L'estro armonico, Concerto for Four Violins in B Minor, Op. 3 No. 10, RV 580: I. Allegro
track: Vivaldi: L'estro armonico, Concerto for Two Violins in A Minor, Op. 3 No. 8, RV 522 "Per eco in lontano": III. Allegro
track: Vivaldi: Giustino, RV 717, Act 1: "Vedrò con mio diletto" (Anastasio)
track: Vivaldi: La stravaganza, Violin Concerto in E Minor, Op. 4 No. 2, RV 279: I. Allegro

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OTSVerifyInstructions
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value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

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

Vivaldi: Gloria in D Major, RV 589: I. Gloria in excelsis Deo
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Vivaldi: Lute Concerto in D Major, RV 93: II. Largo
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Vivaldi: Lute Concerto in D Major, RV 93: II. Largo
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Vivaldi: L'estro armonico, Violin Concerto in A Minor, Op. 3 No. 6, RV 356: I. Allegro
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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: Vivaldi: L'estro armonico, Violin Concerto in A Minor, Op. 3 No. 6, RV 356: I. Allegro
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Vivaldi: Stabat Mater in F Minor, RV 621: I. Stabat Mater dolorosa
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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: Vivaldi: Stabat Mater in F Minor, RV 621: I. Stabat Mater dolorosa
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Vivaldi: Concerto for Two Mandolins in G Major, RV 532: II. Andante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Vivaldi: Concerto for Two Mandolins in G Major, RV 532: II. Andante
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Vivaldi: L'estro armonico, Concerto for Four Violins in B Minor, Op. 3 No. 10, RV 580: I. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Vivaldi: L'estro armonico, Concerto for Four Violins in B Minor, Op. 3 No. 10, RV 580: I. Allegro
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Vivaldi: L'estro armonico, Concerto for Two Violins in A Minor, Op. 3 No. 8, RV 522 "Per eco in lontano": III. Allegro
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subject of: OpenTimestamps Proof of Existence
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Vivaldi Melodies
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Masonic Music
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    value: https://explorer.copyrightchains.com/tx/0x415f3d7f3f2a204339d141b7bedd614df80543beac3c91794ac0e60f5fc4904c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331310301
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x415f3d7f3f2a204339d141b7bedd614df80543beac3c91794ac0e60f5fc4904c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331310301.
    date published: 2026-07-08T03:20:19Z
  audio: Serenade No. 13 in G Major, K. 525 "Eine kleine Nachtmusik": II. Romanze
    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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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.274
    additional property: Energy
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      value: 0.075
    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0.403
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.152
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.374
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Jesu, meine Freude, BWV 227
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181666
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Holland Boys Choir
  by artist: Pieter Jan Leusink
  in album: Top 30 Favourite Classical Chillout Tunes
    type: MusicAlbum
    date published: 2013-08-16
  genre: classical
  genre: classical-piano
  isrc code: NLY331310319
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T12:54:04+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x5cbe617c3f02099ed48bfc38ebb7604bad0c8a0cb2a4e401f336b3d977169baf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331310319
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cbe617c3f02099ed48bfc38ebb7604bad0c8a0cb2a4e401f336b3d977169baf. 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/NLY331310319.
    date published: 2026-07-08T03:53:27Z
  audio: Jesu, meine Freude, BWV 227
    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
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0.755
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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      value: F#
    additional property: Mode Name
      type: PropertyValue
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Le 10 fiabe per bambini più belle di sempre
type: MusicAlbum
date published: 2014-03-09
track: Cappuccetto rosso
  type: MusicRecording
  duration: PT20M31S
  duration ms: 1231306
  explicit: false
  by artist: Massimo Rubolotta
  by artist: Orchestra Accademia Magnifica Comunità
  by artist: Fabiano Ruin
  by artist: Gianpaolo Capuzzo
  by artist: Arrigo Pierobon
  by artist: Enrico Casazza
  by artist: Chiara de Ziller
  in album: Le 10 fiabe per bambini più belle di sempre
    type: MusicAlbum
    date published: 2014-03-09
  popularity: 3
  isrc code: ITS040500364
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T03:21:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbc46ed7c8607e4569a67f51be3be2aa7b2860c58e7da6d3d0b827ade777d0b6b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITS040500364
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc46ed7c8607e4569a67f51be3be2aa7b2860c58e7da6d3d0b827ade777d0b6b. 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/ITS040500364.
    date published: 2026-07-08T03:22:41Z
  audio: Cappuccetto rosso
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.797
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.571
    additional property: Energy
      type: PropertyValue
      value: 0.185
    additional property: Speechiness
      type: PropertyValue
      value: 0.693
    additional property: Acousticness
      type: PropertyValue
      value: 0.515
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.16
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.603
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.451
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Biancaneve e i sette nani
  type: MusicRecording
  duration: PT20M51S
  duration ms: 1251346
  explicit: false
  by artist: Elena Bertuzzi
  by artist: Orchestra I Virtuosi Dell'ensemble Di Venezia
  in album: Le 10 fiabe per bambini più belle di sempre
    type: MusicAlbum
    date published: 2014-03-09
  popularity: 2
  isrc code: ITS040500754
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T20:24:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf643ab28882488b3426fea16e7d6dd9f3bd0485e31759638cc1f548c3664abd4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957122
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957122
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITS040500754
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:39:04Z
  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 0xf643ab28882488b3426fea16e7d6dd9f3bd0485e31759638cc1f548c3664abd4. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/ITS040500754.
    date published: 2026-07-08T03:39:04Z
  audio: Biancaneve e i sette nani
    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
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.536
    additional property: Energy
      type: PropertyValue
      value: 0.274
    additional property: Speechiness
      type: PropertyValue
      value: 0.538
    additional property: Acousticness
      type: PropertyValue
      value: 0.779
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.187
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.423
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.394
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Il gatto con gli stivali
  type: MusicRecording
  duration: PT18M53S
  duration ms: 1133360
  explicit: false
  by artist: Massimo Rubolotta
  by artist: Interpreti Veneziani
  by artist: Paolo Ciociola
  in album: Le 10 fiabe per bambini più belle di sempre
    type: MusicAlbum
    date published: 2014-03-09
  popularity: 2
  isrc code: ITS040001691
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T08:29:05+00:00
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Il gatto con gli stivali
track: La storia di Robin Hood
track: I tre porcellini
track: Il mago di Oz
track: La storia di Peter Pan
track: Cenerentola

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x6fc7ee074be995047e8d6120dbdfce8674c949fe11cffb90fd5ecd447eb97f6f

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957120

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957120

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITS040001691

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:22:41Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fc7ee074be995047e8d6120dbdfce8674c949fe11cffb90fd5ecd447eb97f6f. 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/ITS040001691.
date published: 2026-07-08T03:22:41Z

Il gatto con gli stivali
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 106.741
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.535
additional property: Energy
  type: PropertyValue
  value: 0.291
additional property: Speechiness
  type: PropertyValue
  value: 0.661
additional property: Acousticness
  type: PropertyValue
  value: 0.261
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.174
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.497
additional property: Loudness (dB)
  type: PropertyValue
  value: -17.214
additional property: Key Name
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  value: F
additional property: Mode Name
  type: PropertyValue
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La storia di Robin Hood
type: MusicRecording
duration: PT17M35S
duration ms: 1055840
explicit: false
by artist: Orchestra Filarmonica Italiana
by artist: Walter Peraro
in album: Le 10 fiabe per bambini più belle di sempre
  type: MusicAlbum
  date published: 2014-03-09
popularity: 7
isrc code: ITS041200024
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T21:27:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c8095a15fecab019bc1e8926d6c16686cad77f21051d33552da60a7155b9de5
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITS041200024
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c8095a15fecab019bc1e8926d6c16686cad77f21051d33552da60a7155b9de5. 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/ITS041200024.
  date published: 2026-07-08T03:22:41Z
audio: La storia di Robin Hood
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.7
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.674
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.616
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.792
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.617
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

I tre porcellini
type: MusicRecording
duration: PT19M6S
duration ms: 1146013
explicit: false
by artist: Massimo Rubolotta
by artist: Elena Bertuzzi
by artist: Interpreti Veneziani
by artist: Giuliano Fontanella
by artist: Paolo Ciociola
in album: Le 10 fiabe per bambini più belle di sempre
  type: MusicAlbum
  date published: 2014-03-09
popularity: 2
isrc code: ITS040500356
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:22:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x15bf2e1b8b853d5c20bc09be8532f4ffe4323dde27d63c6d28ec0e1bca2bc784
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITS040500356
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15bf2e1b8b853d5c20bc09be8532f4ffe4323dde27d63c6d28ec0e1bca2bc784. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITS040500356.
  date published: 2026-07-08T03:20:19Z
audio: I tre porcellini
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.64
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.509
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.402
  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.498
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.79
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Il mago di Oz
type: MusicRecording
duration: PT15M6S
duration ms: 906666
explicit: false
by artist: Orchestra Moscow Festival Symphony
by artist: Juan Carlos Rybin
by artist: Orchestra Quartetto Amati
by artist: Orchestra Filarmonica Italiana
by artist: Walter Peraro
in album: Le 10 fiabe per bambini più belle di sempre
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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: Il mago di Oz
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La storia di Peter Pan
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by artist: Walter Peraro
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popularity: 11
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: La storia di Peter Pan
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Cenerentola
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by artist: Membri Dell'Accademia Della Magnifica Comunita
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subject of: OpenTimestamps Proof of Existence
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audio: Cenerentola
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Best of Boccherini
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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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Klassik zum Brunch
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Vivaldi: New Discoveries
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
  audio: Argippo, RV 697: Se lento ancora il fulmine
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track: Concerto in G Minor, RV 578: I. Adagio e spiccato
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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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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

Concerto fo Oboe, Cello, Strings and Continuo in G Minor, RV 812: II. Largo
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date published: 2026-07-08T03:20:19Z

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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: Vivaldi: L'estro armonico, Violin Concerto in D Major, Op. 3 No. 9, RV 230: II. Larghetto
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Vivaldi: L'estro armonico, Violin Concerto in D Major, Op. 3 No. 9, RV 230: III. Allegro
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by artist: Europa Galante
by artist: Fabio Biondi
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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: 2026-07-08T03:20:19Z
audio: Vivaldi: L'estro armonico, Violin Concerto in D Major, Op. 3 No. 9, RV 230: III. Allegro
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Vivaldi: L'estro armonico, Concerto for Four Violins in B Minor, Op. 3 No. 10, RV 580: II. Largo - Larghetto - largo
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by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
in album: Vivaldi: L'Estro Armonico, Op. 3
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Vivaldi: L'estro armonico, Concerto for Four Violins in B Minor, Op. 3 No. 10, RV 580: II. Largo - Larghetto - largo
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Bach: Concerti... Concerti Brandeburghesi
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date published: 2012-09-05
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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 0x6f81763fa85f01de12b76d675c3920a0f05f534f30036d5d0d5cf92f6100f847. 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/ITS049700021.
    date published: 2026-07-08T03:22:41Z
  audio: Concerto Brandeburghese No. 4 in G Major, BWV 1049: I. Allegro
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track: Concerto Brandeburghese No. 4 in G Major, BWV 1049: III. Presto
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  by artist: Gianpaolo Capuzzo
  by artist: Enrico Casazza
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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track: Concerto No. 1 in C Major, Op. 7: I. Allegro
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  subject of: OpenTimestamps Proof of Existence
  audio: Concerto No. 1 in C Major, Op. 7: I. Allegro
track: Concerto No. 4 in G Major, Op. 1: I. Allegro Assai
track: Concerto No. 4 in G Major, Op. 1: II. Andante
track: Concerto No. 5 in E-Flat Major, Op. 7: II. Andante
track: Concerto No. 5 in E-Flat Major, Op. 7: III. Allegro

OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b031d76b9f1a7abe8621dee50e1f9215931773b0418f83720fd05c4e752e67d. 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/ITS049700299.
date published: 2026-07-08T03:22:41Z

Concerto No. 1 in C Major, Op. 7: I. Allegro
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Concerto No. 4 in G Major, Op. 1: I. Allegro Assai
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duration: PT4M56S
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by artist: Roberto Loreggian
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Concerto No. 4 in G Major, Op. 1: I. Allegro Assai
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Concerto No. 4 in G Major, Op. 1: II. Andante
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by artist: Roberto Loreggian
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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 0x370ca21b7e63fba187969fd364cd38352551b152ca47ea0c0e3e3970b47b8d6f. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/ITS049700305.
  date published: 2026-07-08T03:39:04Z
audio: Concerto No. 4 in G Major, Op. 1: II. Andante
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Concerto No. 5 in E-Flat Major, Op. 7: II. Andante
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duration: PT4M26S
duration ms: 266320
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by artist: Accademia Magnifica Comunità
by artist: Roberto Loreggian
in album: Bach: Concerti... Concerti Brandeburghesi
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79fa0f33556819ec60638d72f07a4a6312c10f48480a09d1903280f3203ae32d. 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/ITS049700308.
  date published: 2026-07-08T03:22:41Z
audio: Concerto No. 5 in E-Flat Major, Op. 7: II. Andante
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Concerto No. 5 in E-Flat Major, Op. 7: III. Allegro
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duration: PT3M3S
duration ms: 183720
explicit: false
by artist: Accademia Magnifica Comunità
by artist: Roberto Loreggian
in album: Bach: Concerti... Concerti Brandeburghesi
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  date published: 2012-09-05
isrc code: ITS049700309
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additional property: CopyrightStatus
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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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  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 0x8055fe2f094fc10efc1543d722028a26197d0bce6a891943060ef4a2ce923910. 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/ITS049700309.
  date published: 2026-07-08T03:22:41Z
audio: Concerto No. 5 in E-Flat Major, Op. 7: III. Allegro
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Vivaldi: The Four Seasons
type: MusicAlbum
date published: 2003-01-01
track: Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
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    type: MusicAlbum
    date published: 2003-01-01
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  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: OTSHash
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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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0529ddc62dcb8f6aa65f91c588446703c29fe49faecf596ab200c7a2a6570923. 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/GBAYC0003248.
    date published: 2026-07-08T03:22:41Z
  audio: Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": I. Allegro
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track: Vivaldi: The Four Seasons, Violin Concerto in E Major, Op. 8 No. 1, RV 269 "Spring": II. Largo e pianissimo sempre
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  in album: Vivaldi: The Four Seasons
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:53:27Z
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track: Vivaldi: The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": I. Allegro non molto
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  by artist: Fabio Biondi
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    date published: 2003-01-01
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Vivaldi: The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": I. Allegro non molto
track: Vivaldi: The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": II. Adagio
track: Vivaldi: The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": I. Allegro non molto
track: Vivaldi: The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": II. Largo

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0003252

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5718a650b0ba1f1f3549cbd34c9e982f1f67c047d3900d2f79279aa56dcec70. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0003252.
date published: 2026-07-08T03:20:19Z

Vivaldi: The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": I. Allegro non molto
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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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additional property: Instrumentalness
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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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Vivaldi: The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": II. Adagio
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duration: PT1M49S
duration ms: 109573
explicit: false
by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
in album: Vivaldi: The Four Seasons
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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: 2026-07-08T03:53:27Z
audio: Vivaldi: The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": II. Adagio
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