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genre: classical piano
description: alt=Pianist Vadim Chaimovich performing on a Bösendorfer grand piano on the stage of the Onoldia Concert Hall in Ansbach, Germany, on October 22, 2015|thumb|300px|Vadim Chaimovich performing at the On
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album: Classical Piano Favorites, Vol. 1
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  track: Waltz in A Major, Op. 39 No. 15
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album: Schubert, Moszkowski, Rachmaninoff: Moments Musicaux
track: 莫札特: D大調輪旋曲K.485
track: 莫札特: 鋼琴奏鳴曲第十二號第二樂章
track: The Seasons, Op. 37a: No. 2, February. The Carnival
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Piano Sonata No. 5 in C Major: II. Allegro (Live)
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Piano Sonata No. 5 in C Major: III. Vivace (Live)
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH1858684
  additional property: OTSTimestamp
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    value: 2026-07-03T00:42:11Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cb29ac813e8e524d60a43fd31e89f9a178ba2b311fe5862d2ba486428ba0638. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/USCGH1858684.
    date published: 2026-07-03T00:42:11Z
  audio: Rondo in D Major, K. 485 (Live)
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    additional property: Loudness (dB)
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Solo Piano Masterpieces: The Classical Era, Vol. 1
type: MusicAlbum
date published: 2018-06-22
track: Piano Sonata No. 5 in C Major: I. Andante - Live Recording
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  duration: PT5M13S
  duration ms: 313488
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  by artist: Vadim Chaimovich
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    type: MusicAlbum
    date published: 2018-06-22
  genre: classical
  genre: classical piano
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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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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD541801166
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2046af953ffbe43b5d5eb0094b30bb48bdd4542ce190150c0c56b1a8ff57e61a. 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/ITD541801166.
    date published: 2026-07-02T16:51:38Z
  audio: Piano Sonata No. 5 in C Major: I. Andante - Live Recording
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Solo Piano Masterpieces: The Classical Era (Vol. III)
type: MusicAlbum
date published: 2018-07-27

Solo Piano Masterpieces: The Romantic Era, Vol. IV
type: MusicAlbum
date published: 2018-09-07
track: Songs Without Words, Book 1, Op. 19b: No. 1, Andante con moto, MWV U86
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  duration: PT3M51S
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  explicit: false
  by artist: Vadim Chaimovich
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    type: MusicAlbum
    date published: 2018-09-07
  genre: classical
  genre: classical piano
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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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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD541801266
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7327a8a11bee28efc9856d39a4e647b09db4b26024b763f22a30dd1f865b05b2. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/ITD541801266.
    date published: 2026-07-05T01:12:41Z
  audio: Songs Without Words, Book 1, Op. 19b: No. 1, Andante con moto, MWV U86
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track: Schwanengesang, D. 957: No. 4, Ständchen - Arr. by Franz Liszt
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  genre: classical piano
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc2e580b3fe19144af53b7813dee35cfc5098551d25223aaad0e5101632fd177. 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/ITD541801269.
    date published: 2026-07-02T16:51:38Z
  audio: Schwanengesang, D. 957: No. 4, Ständchen - Arr. by Franz Liszt
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Classical Memoirs
type: MusicAlbum
date published: 2018-10-15

Scriabin Etude in C sharp minor
type: MusicAlbum
date published: 2018-11-05

Rarities and Masterpieces
type: MusicAlbum
date published: 2018-11-12

Solo Piano Masterpieces: The Baroque Era, Vol. 6 (Live)
type: MusicAlbum
date published: 2019-03-15

Piano Recital: Chopin, Haydn, Grieg
type: MusicAlbum
date published: 2019-07-19

Piano Sonatas: Mozart, Mendelssohn, Brahms, Medtner (Live)
type: MusicAlbum
date published: 2019-09-27

Masterworks in Old Style: Buxtehude, Pachelbel, Haydn, Grieg
type: MusicAlbum
date published: 2019-11-08
track: From Holberg's Time, Op. 40 "Suite in Olden Style": I. Praeludium. Allegro vivace
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  duration: PT3M3S
  duration ms: 183500
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    date published: 2019-11-08
  genre: classical
  genre: classical piano
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  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/ITD541900708
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T02:01:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5eb5bcb2e386056c6042bad982b01146a683629484b143d2dbc8866a3fb87ef. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), 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/ITD541900708.
    date published: 2026-07-21T02:01:41Z
  audio: From Holberg's Time, Op. 40 "Suite in Olden Style": I. Praeludium. Allegro vivace
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    additional property: Danceability
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Miniatures
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date published: 2020-02-21
track: 3 Morceaux, Op. 11: No. 1, Prelude in B Minor
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  genre: classical
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x862e75fc85f9b53b9a7f7f22d9ec1ce396fd747b08a20a5b88b4d84817e4661d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/ITD542000033.
    date published: 2026-06-13T13:32:09Z
  audio: 3 Morceaux, Op. 11: No. 1, Prelude in B Minor
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track: 2 Mazurkas, Op. 15: No. 2 in A Minor
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-08T03:20:19Z
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track: 3 Morceaux, Op. 57: No. 1, Prelude in D-Flat Major
track: Little Suite for Piano: II. Waltz in A minor
track: Little Suite for Piano: IV. Waltz in G minor
track: The School of Velocity, Op. 299: No. 9 in C Major, Molto allegro
track: 6 Dance Caprices, ScharWV 38: No. 2, Waltz in C-Sharp Minor
track: Consolations, S. 172: No. 3 in D-Flat Major - Live
track: 24 Preludes, Op. 34: No. 5 in D Major

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date published: 2026-07-02T03:55:08Z

Petite Valse in G Major, Op. 26
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3 Morceaux, Op. 57: No. 1, Prelude in D-Flat Major
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subject of: OpenTimestamps Proof of Existence
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Little Suite for Piano: II. Waltz in A minor
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Little Suite for Piano: II. Waltz in A minor
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Little Suite for Piano: IV. Waltz in G minor
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Little Suite for Piano: IV. Waltz in G minor
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The School of Velocity, Op. 299: No. 9 in C Major, Molto allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: The School of Velocity, Op. 299: No. 9 in C Major, Molto allegro
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6 Dance Caprices, ScharWV 38: No. 2, Waltz in C-Sharp Minor
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subject of: OpenTimestamps Proof of Existence
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audio: 6 Dance Caprices, ScharWV 38: No. 2, Waltz in C-Sharp Minor
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Consolations, S. 172: No. 3 in D-Flat Major - Live
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24 Preludes, Op. 34: No. 5 in D Major
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A Quest for Baroque
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track: Suite No. 1 in B-Flat Major, HWV 434: IV. Menuet - Arr. for Piano by W. Kempff
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Classic Piano Masterpiece
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Schubert, Moszkowski, Rachmaninoff: Moments Musicaux
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莫札特: D大調輪旋曲K.485
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莫札特: 鋼琴奏鳴曲第十二號第二樂章
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The Seasons, Op. 37a: No. 2, February. The Carnival
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Waltzes, Op. 64: No. 1 in D-Flat Major "Minute Waltz"
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  date published: 2022-11-11
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: ITD542100551
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-29T07:20:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcab5de2ac3e12353f2ce89d9e5c69df007decadf9098f5de32f79a5289b3e608
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITD542100551
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcab5de2ac3e12353f2ce89d9e5c69df007decadf9098f5de32f79a5289b3e608. 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/ITD542100551.
  date published: 2026-07-08T03:20:19Z
audio: Waltzes, Op. 64: No. 1 in D-Flat Major "Minute Waltz"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.51
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.363
  additional property: Energy
    type: PropertyValue
    value: 0.12
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.956
  additional property: Liveness
    type: PropertyValue
    value: 0.244
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.462
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.188
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major