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album: Masters of the Roll: Ossip Gabrilowitsch & Olga Samaroff
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  track: Romance Without Words In A Flat Minor, Op. 17 No. 3
album: Classical SoundScapes For Film Vol, 24: Ossip Gabrilowitsch & Olga Samaroff
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album: Classical SoundScapes For Film Vol, 3: Ossip Gabrilowitsch & Olga Samaroff
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album: The Flonzaley Quartet Play Romantic Masterpieces
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album: Piano Soundscapes, Vol. 7
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album: Ossip Gabrilowitsch Performs Original Piano Works
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album: Keyboard Giants of the Past
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  track: Lejano Azul
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Romance Without Words In A Flat Minor, Op. 17 No. 3
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Bunte Blatter (Colorful Leaves) Op. 99: No. 9, Novelette in B Minor - Duo-Art 7284
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Preludes, Op. 23: No. 5 in G Minor - Triphonola 51661
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Romance Sans Paroles, Op. 17 No. 3 - Duo-Art 5659
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  date published: 2026-07-31T20:22:46Z
audio: Romance Sans Paroles, Op. 17 No. 3 - Duo-Art 5659
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

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
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encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dbe6bc310a930643c3796446559eb99d35c6f829b339f6b2cc3bb9e661ca72c. 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/DE1QW2502991.
date published: 2026-07-02T03:55:08Z

Impresiones Intimas: Pajaro Triste
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Lejano Azul
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by artist: Anna Miernik
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Lejano Azul
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Nocturne in B Major, Op. 62 No.1
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by artist: Joanna Sochacka
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Nocturne in B Major, Op. 62 No.1
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Aubade, Op. 126 No. 2
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by artist: Anna Miernik
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Aubade, Op. 126 No. 2
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Silk Scarf
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by artist: Anna Miernik
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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: 2026-07-02T05:09:12Z
audio: Silk Scarf
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Prelude en la Mineur, M. 65
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by artist: Irene Cantos
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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: 2026-07-02T03:30:09Z
audio: Prelude en la Mineur, M. 65
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Clarinet Concerto in A Major KV 622 (Piano Transcription by Hans-Günter Heumann): II. Adagio
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subject of: OpenTimestamps Proof of Existence
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Six Studies in English Folk Song (Arr. Flute & Piano by Katrina Penman): I. Adagio
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Children at Play - Elegy
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6 Lieder Ohne Worte, Op. 18 in E-Dur: Vi. Am Arno. Wiegend Und Weich
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6 Klavierstucke Intermezzo in A Major, Op. 118 No. 2
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2 Pieces for 6 Hands - Romance
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Gavotte from Suite in G Minor BWV 822
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Nocturne, Op. 9 No. 1 in B-Flat Minor
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Impromptus on a Theme by Clara Schumann, Op. 5: No. 6, Schnell
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Prelude No. 5 in D Major, BWV 850 (Arr. Flute & Piano by Katrina Penman)
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'Greetings', Miniaturas para Piano: 3 Palabras: 'a por Ello'
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Pictures at an Exhibition: Promenade I
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Impromptus on a Theme by Clara Schumann, Op. 5: No. 5, Lebhafter
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Haurren Irudiak: III. Santa Bárbara
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Preludes, Op. 23: Prelude in B-Flat Major, Op. 23, No. 2
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Pictures at an Exhibition: Il Vecchio Castello
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Sonate Brillante C-Moll: I. Allegro Con Spirito
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Wellenspiel. Op. 14, No. 1 - Duo-Art 5653
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Sonata No. 1, Op. 24. IV. Perpetual Motion (Rondo) - Duo-Art 6489
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Military Marches, Op. 51: No. 3, Marche Militaire in E-Flat Major - Welte-Mignon 3309
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Legende S. 175: No. 1, St. Francis of Assisi Preaching to the Birds - Duo-Art 5718
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Miniature Scherzo - Duo-Art 0337 Br
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  date published: 2026-07-06T06:56:49Z
audio: Miniature Scherzo - Duo-Art 0337 Br
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Fantasiestucke, Op. 12: No. 3, Warum? - Welte-Mignon 168
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by artist: Carl Reinecke
by artist: Peter Phillips
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genre: classical
genre: classical-piano
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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 0x7edb09cead09775723bf3ae86479372d0279278c9f34644216306b2898821c5e. 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/DEPI82405487.
  date published: 2026-07-06T06:56:49Z
audio: Fantasiestucke, Op. 12: No. 3, Warum? - Welte-Mignon 168
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Serenata Napolitana - Duo-Art 65188
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by artist: Carolyne Cone Baldwin
by artist: Peter Phillips
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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 0x7076706685460d3c3a01b5a823709b3d78012f2c622965770eb509d78f0c7b0f. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-21T16:19:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEPI82504188.
  date published: 2026-07-21T16:19:00Z
audio: Serenata Napolitana - Duo-Art 65188
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Romance in C-Sharp Minor - Welte-Mignon 1453
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by artist: Peter Phillips
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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: 2026-07-06T07:53:57Z
audio: Romance in C-Sharp Minor - Welte-Mignon 1453
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Waltz, Op. 42 (Grand Valse) in A-Flat Major - Welte-Mignon 245
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by artist: Peter Phillips
in album: "054 Classical Music Essentials": Far Blue
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genre: early-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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Waltz, Op. 42 (Grand Valse) in A-Flat Major - Welte-Mignon 245
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Klezmer Suite, for Clarinet, Viola, Piano and Double Bass: III. Allegro Vivace, Presto
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by artist: Yuval Gotlibovich
by artist: Chen Halevi
by artist: Nir Comforty
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isrc code: DEPI82509592
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: 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: Klezmer Suite, for Clarinet, Viola, Piano and Double Bass: III. Allegro Vivace, Presto
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Ein Heldenleben (A Hero's Life) Op. 40 (Arr. For Solo Piano by Strauss): Love Scene (Liebesszene) - Welte-Mignon 1184
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by artist: Richard Strauss
by artist: Peter Phillips
in album: "054 Classical Music Essentials": Far Blue
  type: MusicAlbum
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genre: classical
genre: opera
genre: orchestra
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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: 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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc027440d96cd2b2b451bb21f041a13c7e676eca92ec3fad43415bea7eda29ad0. 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/DEPI82310554.
  date published: 2026-07-06T06:56:49Z
audio: Ein Heldenleben (A Hero's Life) Op. 40 (Arr. For Solo Piano by Strauss): Love Scene (Liebesszene) - Welte-Mignon 1184
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Chromatic Fantasia and Fugue in D Minor BWV. 903: Fantasia - Duo-Art 7316
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by artist: Harold Bauer
by artist: Peter Phillips
in album: "054 Classical Music Essentials": Far Blue
  type: MusicAlbum
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genre: classical
genre: classical-piano
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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: 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
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Ossip Gabrilowitsch Performs Original Piano Works
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Barcarolle No. 3, Op. 50 in G Minor - Triphonola T-51897
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