Milan Řehák
type: MusicGroup
popularity: 7
followers: 1222
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x31079e3a4c79aed0a049b8d15adbc21cf6ba9fc205d3278522261053c2203b3f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/64ba0441-5a20-483b-b806-ee29bb4bdf8e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/64ba0441-5a20-483b-b806-ee29bb4bdf8e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/64ba0441-5a20-483b-b806-ee29bb4bdf8e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x31079e3a4c79aed0a049b8d15adbc21cf6ba9fc205d3278522261053c2203b3f","name":"Milan Řehák","registered_at":"2026-06-17T00:38:48Z","symbol":"NIM1226307","token_address":"0x744a870faaee41cef5d038b3134430fc0baf9b3c","type":"artist","uuid":"64ba0441-5a20-483b-b806-ee29bb4bdf8e"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31079e3a4c79aed0a049b8d15adbc21cf6ba9fc205d3278522261053c2203b3f. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/64ba0441-5a20-483b-b806-ee29bb4bdf8e.json and https://artists.proofprofile.net/proofs/artist/64ba0441-5a20-483b-b806-ee29bb4bdf8e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x31079e3a4c79aed0a049b8d15adbc21cf6ba9fc205d3278522261053c2203b3f","name":"Milan Řehák","registered_at":"2026-06-17T00:38:48Z","symbol":"NIM1226307","token_address":"0x744a870faaee41cef5d038b3134430fc0baf9b3c","type":"artist","uuid":"64ba0441-5a20-483b-b806-ee29bb4bdf8e"}
album: Essential
  type: MusicAlbum
  date published: 2022-11-07
  track: Bulgarian Suite: I. Daichovo Horo
    type: MusicRecording
    duration: PT1M20S
    duration ms: 80760
    explicit: false
    by artist: Milan Řehák
    in album: Essential
      type: MusicAlbum
      date published: 2022-11-07
    isrc code: CZA162253351
  track: Bulgarian Suite: II. Sevdana
    type: MusicRecording
    duration: PT2M34S
    duration ms: 154480
    explicit: false
    by artist: Milan Řehák
    in album: Essential
      type: MusicAlbum
      date published: 2022-11-07
  track: Bulgarian Suite: III. Gankino Horo
    type: MusicRecording
    duration: PT2M3S
    duration ms: 123520
    explicit: false
    by artist: Milan Řehák
    in album: Essential
      type: MusicAlbum
      date published: 2022-11-07
    isrc code: CZA162253353
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-07T07:45:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x796144bd70f954cbb114322ef598ab7623a3b61e4b9b3e8c9824e0ec2af03904
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957120
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/957120
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162253353
    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 → block OTSBitcoinBlock must exist at that height 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 0x796144bd70f954cbb114322ef598ab7623a3b61e4b9b3e8c9824e0ec2af03904. 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/CZA162253353.
      date published: 2026-07-08T03:22:41Z
  track: The Barber of Seville: Figaro's Cavatina „Largo al factotum della città"
    type: MusicRecording
    duration: PT3M9S
    duration ms: 189840
    explicit: false
    by artist: Milan Řehák
    in album: Essential
      type: MusicAlbum
      date published: 2022-11-07
    isrc code: CZA162253354
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-07T10:19:03+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2e58f4238485daaef2af6763554c8292c3a509d790c4d8164b18e3c22a481a3e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957120
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/957120
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162253354
    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 → block OTSBitcoinBlock must exist at that height 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 0x2e58f4238485daaef2af6763554c8292c3a509d790c4d8164b18e3c22a481a3e. 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/CZA162253354.
      date published: 2026-07-08T03:22:41Z
  track: Romance
    type: MusicRecording
    duration: PT3M54S
    duration ms: 234880
    explicit: false
    by artist: Milan Řehák
    in album: Essential
      type: MusicAlbum
      date published: 2022-11-07
    isrc code: CZA162253355
  track: Asturias - Leyenda
    type: MusicRecording
    duration: PT6M6S
    duration ms: 366099
    explicit: false
    by artist: Milan Řehák
    in album: Essential
      type: MusicAlbum
      date published: 2022-11-07
    isrc code: CZA162253356
  track: Rondo Capriccioso
    type: MusicRecording
    duration: PT6M12S
    duration ms: 372160
    explicit: false
    by artist: Milan Řehák
    in album: Essential
      type: MusicAlbum
      date published: 2022-11-07
  track: A Flight beyond Time
    type: MusicRecording
    duration: PT4M57S
    duration ms: 297428
    explicit: false
    by artist: Milan Řehák
    in album: Essential
      type: MusicAlbum
      date published: 2022-11-07
    isrc code: CZA162253358
album: Stories
  type: MusicAlbum
  date published: 2019-08-15
  track: Violin Partita No. 2 in D Minor, BWV 1004: V. Chaconne - Arr. for Accordion
    type: MusicRecording
    duration: PT14M21S
    duration ms: 861990
    explicit: false
    by artist: Johann Sebastian Bach
    by artist: Ferruccio Busoni
    by artist: Milan Řehák
    in album: Stories
      type: MusicAlbum
      date published: 2019-08-15
  track: Sonata No. 2: I. Alegro ingenuo
    type: MusicRecording
    duration: PT5M36S
    duration ms: 336734
    explicit: false
    by artist: Vladislav Zolotaryov
    by artist: Milan Řehák
    in album: Stories
    isrc code: CZN921900038
    additional property: CopyrightID
    additional property: CopyrightStatus
    additional property: CopyrightRegisteredAt
    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
  track: Sonata No. 2: II. Adagio tranquillo molto
  track: Sonata No. 2: III. Vivacissimo con spirito
  track: The Collapsed Cathedral
  track: Five Views on Gulag State: I. A Zone
  track: Five Views on Gulag State: II. A Stage
  track: Five Views on Gulag State: III. Thieves
  track: Five Views on Gulag State: IV. Wood-cutting Area
  track: Five Views on Gulag State: V. Criminal Authority and Creep
  track: Spanish Caprice
album: Uncharted Waters
album: Baroque Beat (Arr. for Accordion)
album: Buttonfield
album: Aerial Vol. 2
album: The Four Seasons, Violin Concerto No. 2 in G Minor, RV 315: III. Allegro "Storm"
album: Aerial
track: Bulgarian Suite: I. Daichovo Horo
track: Bulgarian Suite: II. Sevdana
track: Bulgarian Suite: III. Gankino Horo
track: The Barber of Seville: Figaro's Cavatina „Largo al factotum della città"
track: Romance
track: Asturias - Leyenda
track: Rondo Capriccioso
track: A Flight beyond Time
track: Violin Partita No. 2 in D Minor, BWV 1004: V. Chaconne - Arr. for Accordion
track: Sonata No. 2: I. Alegro ingenuo
track: Sonata No. 2: II. Adagio tranquillo molto
track: Sonata No. 2: III. Vivacissimo con spirito
track: The Collapsed Cathedral
track: Five Views on Gulag State: I. A Zone
track: Five Views on Gulag State: II. A Stage
track: Five Views on Gulag State: III. Thieves
track: Five Views on Gulag State: IV. Wood-cutting Area
track: Five Views on Gulag State: V. Criminal Authority and Creep
track: Spanish Caprice
track: Bach Meets Ac/DC

Stories
type: MusicAlbum
date published: 2019-08-15

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-07T07:53:30+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xc849ae03423d81fed51ba54bc49335c2192f929c34adad778814d1a520d17637

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957145

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/957145

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZN921900038

OTSTimestamp
type: PropertyValue
value: 2026-07-08T08:56:20Z

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 → block OTSBitcoinBlock must exist at that height 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 0xc849ae03423d81fed51ba54bc49335c2192f929c34adad778814d1a520d17637. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZN921900038.
date published: 2026-07-08T08:56:20Z

Sonata No. 2: II. Adagio tranquillo molto
type: MusicRecording
duration: PT3M57S
duration ms: 237641
explicit: false
by artist: Vladislav Zolotaryov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Sonata No. 2: III. Vivacissimo con spirito
type: MusicRecording
duration: PT3M18S
duration ms: 198469
explicit: false
by artist: Vladislav Zolotaryov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

The Collapsed Cathedral
type: MusicRecording
duration: PT6M27S
duration ms: 387000
explicit: false
by artist: Václav Trojan
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Five Views on Gulag State: I. A Zone
type: MusicRecording
duration: PT4M15S
duration ms: 255520
explicit: false
by artist: Victor Vlasov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Five Views on Gulag State: II. A Stage
type: MusicRecording
duration: PT4M7S
duration ms: 247110
explicit: false
by artist: Victor Vlasov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Five Views on Gulag State: III. Thieves
type: MusicRecording
duration: PT2M43S
duration ms: 163240
explicit: false
by artist: Victor Vlasov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Five Views on Gulag State: IV. Wood-cutting Area
type: MusicRecording
duration: PT3M34S
duration ms: 214450
explicit: false
by artist: Victor Vlasov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Five Views on Gulag State: V. Criminal Authority and Creep
type: MusicRecording
duration: PT3M2S
duration ms: 182950
explicit: false
by artist: Victor Vlasov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Spanish Caprice
type: MusicRecording
duration: PT6M53S
duration ms: 413620
explicit: false
by artist: Moritz Moszkowski
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Uncharted Waters
type: MusicAlbum
date published: 2017-08-09
track: Bach Meets Ac/DC
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201301
  explicit: false
  by artist: Milan Řehák
  in album: Uncharted Waters
    type: MusicAlbum
    date published: 2017-08-09
  isrc code: CZN921700020
track: Kiss the Rain
  type: MusicRecording
  duration: PT4M26S
  duration ms: 266599
  explicit: false
  by artist: Milan Řehák
  in album: Uncharted Waters
    type: MusicAlbum
    date published: 2017-08-09
  isrc code: CZN921700021
track: Anantango
  type: MusicRecording
  duration: PT4M34S
  duration ms: 274407
  explicit: false
  by artist: Milan Řehák
  in album: Uncharted Waters
    type: MusicAlbum
    date published: 2017-08-09
  isrc code: CZN921700022
track: Will You Be There
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245278
  explicit: false
  by artist: Milan Řehák
  in album: Uncharted Waters
    type: MusicAlbum
    date published: 2017-08-09
track: River Flows in You
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171871
  explicit: false
  by artist: Milan Řehák
  in album: Uncharted Waters
    type: MusicAlbum
    date published: 2017-08-09
  isrc code: CZN921700024
track: Galliano En Santiago
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204003
  explicit: false
  by artist: Milan Řehák
  in album: Uncharted Waters
    type: MusicAlbum
    date published: 2017-08-09
track: If
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253052
  explicit: false
  by artist: Milan Řehák
  in album: Uncharted Waters
    type: MusicAlbum
    date published: 2017-08-09
track: You Are Not Alone
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250383
  explicit: false
  by artist: Milan Řehák
  in album: Uncharted Waters
    type: MusicAlbum
    date published: 2017-08-09
track: We Are the World
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250550
  explicit: false
  by artist: Milan Řehák
  in album: Uncharted Waters
    type: MusicAlbum
    date published: 2017-08-09

Baroque Beat (Arr. for Accordion)
type: MusicAlbum
date published: 2017-06-27
track: Sonata in D Major K. 435
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198698
  explicit: false
  by artist: Domenico Scarlatti
  by artist: Milan Řehák
  in album: Baroque Beat (Arr. for Accordion)
    type: MusicAlbum
    date published: 2017-06-27
track: Sonata in E Major K. 380
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241641
  explicit: false
  by artist: Domenico Scarlatti
  by artist: Milan Řehák
  in album: Baroque Beat (Arr. for Accordion)
    type: MusicAlbum
    date published: 2017-06-27
track: Sonata in B-Flat Major K. 248
  type: MusicRecording
  duration: PT4M26S
  duration ms: 266566
  explicit: false
  by artist: Domenico Scarlatti
  by artist: Milan Řehák
  in album: Baroque Beat (Arr. for Accordion)
    type: MusicAlbum
    date published: 2017-06-27
track: The Goldberg Variations, BWV 988: I. Aria
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254254
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Milan Řehák
  in album: Baroque Beat (Arr. for Accordion)
    type: MusicAlbum
    date published: 2017-06-27
track: Das wohltemperierte Klavier II: No. 14, Prelude and Fugue in F-Sharp Minor, BWV 883
  type: MusicRecording
  duration: PT7M32S
  duration ms: 452885
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Milan Řehák
  in album: Baroque Beat (Arr. for Accordion)
    type: MusicAlbum
    date published: 2017-06-27
track: Das wohltemperierte Klavier I: No. 7, Prelude and Fugue in E-Flat Major, BWV 852
  type: MusicRecording
  duration: PT6M6S
  duration ms: 366199
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Milan Řehák
  in album: Baroque Beat (Arr. for Accordion)
    type: MusicAlbum
    date published: 2017-06-27
track: Pièces de clavecin avec une méthode: No. 18, Les cyclopes
  type: MusicRecording
  duration: PT3M45S
  duration ms: 225658
  explicit: false
  by artist: Jean-Philippe Rameau
  by artist: Milan Řehák
  in album: Baroque Beat (Arr. for Accordion)
    type: MusicAlbum
    date published: 2017-06-27
track: The Four Seasons, Violin Concerto No. 4 in F Minor, RV 297, "Winter": I. Allegro non molto
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191324
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Milan Řehák
  in album: Baroque Beat (Arr. for Accordion)
    type: MusicAlbum
    date published: 2017-06-27
  isrc code: CZN921700019

Buttonfield
type: MusicAlbum
date published: 2016-09-07
track: 12 Variations on Ah vous dirai-je maman in C Major, K. 265 - Arr. for Solo Accordion
  type: MusicRecording
  duration: PT8M14S
  duration ms: 494545
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Milan Řehák
  in album: Buttonfield
    type: MusicAlbum
    date published: 2016-09-07
track: Suite gothique, Op. 25: IV. Toccata - Arr. for Solo Accordion
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177090
  explicit: false
  by artist: Léon Boëllmann
  by artist: Milan Řehák
  in album: Buttonfield
    type: MusicAlbum
    date published: 2016-09-07
track: Violin Concerto No. 2 in B Minor, Op. 7: III. Rondo "La campanella" - Arr. for Solo Accordion
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267042
  explicit: false
  by artist: Niccolò Paganini
  by artist: Milan Řehák
  in album: Buttonfield
    type: MusicAlbum
    date published: 2016-09-07
track: 24 Caprices for Solo Violin, Op. 1: No. 24 in A Minor, Tema con variazioni. Quasi presto - Arr. for Solo Accordion
  type: MusicRecording
  duration: PT4M53S
  duration ms: 293310
  explicit: false
  by artist: Niccolò Paganini
  by artist: Milan Řehák
  in album: Buttonfield
    type: MusicAlbum
    date published: 2016-09-07
track: Like Swans
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285935
  explicit: false
  by artist: Petri Makkonen
  by artist: Milan Řehák
  in album: Buttonfield
    type: MusicAlbum
    date published: 2016-09-07
track: Tango-Toccata
  type: MusicRecording
  duration: PT6M27S
  duration ms: 387512
  explicit: false
  by artist: Petri Makkonen
  by artist: Milan Řehák
  in album: Buttonfield
    type: MusicAlbum
    date published: 2016-09-07
track: Italian Polka in E-Flat Major - Arr. for Solo Accordion
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221649
  explicit: false
  by artist: Sergei Rachmaninoff
  by artist: Milan Řehák
  in album: Buttonfield
    type: MusicAlbum
    date published: 2016-09-07
  isrc code: CZN921600007
track: 21 Hungarian Dances, WoO 1: No. 5 in F-Sharp Minor, Allegro - Arr. for Solo Accordion
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191669
  explicit: false
  by artist: Johannes Brahms
  by artist: Milan Řehák
  in album: Buttonfield
    type: MusicAlbum
    date published: 2016-09-07
track: Scherzo tarantelle, Op. 16 - Arr. for Solo Accordion
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272635
  explicit: false
  by artist: Henryk Wieniawski
  by artist: Milan Řehák
  in album: Buttonfield
    type: MusicAlbum
    date published: 2016-09-07
track: Scherzo fantastique, Op. 25 "The Dance of the Goblins" - Arr. for Solo Accordion
  type: MusicRecording
  duration: PT5M26S
  duration ms: 326628
  explicit: false
  by artist: Antonio Bazzini
  by artist: Milan Řehák
  in album: Buttonfield
    type: MusicAlbum
    date published: 2016-09-07
track: Let čmeláka
  type: MusicRecording
  duration: PT1M3S
  duration ms: 63657
  explicit: false
  by artist: Nikolai Rimsky-Korsakov
  by artist: Milan Řehák
  in album: Buttonfield
    type: MusicAlbum
    date published: 2016-09-07
  isrc code: CZN921600011
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T05:05:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x296aaba5f1639344db90a72f3fbe1ca923019966de90c21b6a8dac071f94e8fc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZN921600011
  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 → block OTSBitcoinBlock must exist at that height 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 0x296aaba5f1639344db90a72f3fbe1ca923019966de90c21b6a8dac071f94e8fc. 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/CZN921600011.
    date published: 2026-07-08T03:53:27Z

Aerial Vol. 2
type: MusicAlbum
date published: 2019-02-20
track: Fix You
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284600
  explicit: false
  by artist: Paula Calbet Boldú
  by artist: Milan Řehák
  in album: Aerial Vol. 2
    type: MusicAlbum
    date published: 2019-02-20
track: Golden
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166600
  explicit: false
  by artist: Paula Calbet Boldú
  by artist: Milan Řehák
  in album: Aerial Vol. 2
    type: MusicAlbum
    date published: 2019-02-20
track: Hurricane
  type: MusicRecording
  duration: PT7M9S
  duration ms: 429406
  explicit: false
  by artist: Paula Calbet Boldú
  by artist: Milan Řehák
  in album: Aerial Vol. 2
    type: MusicAlbum
    date published: 2019-02-20

The Four Seasons, Violin Concerto No. 2 in G Minor, RV 315: III. Allegro "Storm"
type: MusicAlbum
date published: 2018-09-01
track: The Four Seasons, Violin Concerto No. 2 in G Minor, RV 315: III. Allegro "Storm"
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171000
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Milan Řehák
  in album: The Four Seasons, Violin Concerto No. 2 in G Minor, RV 315: III. Allegro "Storm"
    type: MusicAlbum
    date published: 2018-09-01

Aerial
type: MusicAlbum
date published: 2018-04-23
track: Warriors
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152860
  explicit: false
  by artist: Paula Calbet Boldú
  by artist: Milan Řehák
  in album: Aerial
    type: MusicAlbum
    date published: 2018-04-23
track: I Dreamed a Dream
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216877
  explicit: false
  by artist: Paula Calbet Boldú
  by artist: Milan Řehák
  in album: Aerial
    type: MusicAlbum
    date published: 2018-04-23
track: The Show Must Go On
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242920
  explicit: false
  by artist: Paula Calbet Boldú
  by artist: Milan Řehák
  in album: Aerial
    type: MusicAlbum
    date published: 2018-04-23
track: Hallelujah
  type: MusicRecording
  duration: PT4M1S
  duration ms: 241271
  explicit: false
  by artist: Paula Calbet Boldú
  by artist: Milan Řehák
  in album: Aerial
    type: MusicAlbum
    date published: 2018-04-23

Bulgarian Suite: I. Daichovo Horo
type: MusicRecording
duration: PT1M20S
duration ms: 80760
explicit: false
by artist: Milan Řehák
in album: Essential
  type: MusicAlbum
  date published: 2022-11-07
isrc code: CZA162253351

Bulgarian Suite: II. Sevdana
type: MusicRecording
duration: PT2M34S
duration ms: 154480
explicit: false
by artist: Milan Řehák
in album: Essential
  type: MusicAlbum
  date published: 2022-11-07

Bulgarian Suite: III. Gankino Horo
type: MusicRecording
duration: PT2M3S
duration ms: 123520
explicit: false
by artist: Milan Řehák
in album: Essential
  type: MusicAlbum
  date published: 2022-11-07
isrc code: CZA162253353
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:45:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x796144bd70f954cbb114322ef598ab7623a3b61e4b9b3e8c9824e0ec2af03904
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162253353
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 → block OTSBitcoinBlock must exist at that height 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 0x796144bd70f954cbb114322ef598ab7623a3b61e4b9b3e8c9824e0ec2af03904. 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/CZA162253353.
  date published: 2026-07-08T03:22:41Z

The Barber of Seville: Figaro's Cavatina „Largo al factotum della città"
type: MusicRecording
duration: PT3M9S
duration ms: 189840
explicit: false
by artist: Milan Řehák
in album: Essential
  type: MusicAlbum
  date published: 2022-11-07
isrc code: CZA162253354
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:19:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2e58f4238485daaef2af6763554c8292c3a509d790c4d8164b18e3c22a481a3e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA162253354
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 → block OTSBitcoinBlock must exist at that height 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 0x2e58f4238485daaef2af6763554c8292c3a509d790c4d8164b18e3c22a481a3e. 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/CZA162253354.
  date published: 2026-07-08T03:22:41Z

Romance
type: MusicRecording
duration: PT3M54S
duration ms: 234880
explicit: false
by artist: Milan Řehák
in album: Essential
  type: MusicAlbum
  date published: 2022-11-07
isrc code: CZA162253355

Asturias - Leyenda
type: MusicRecording
duration: PT6M6S
duration ms: 366099
explicit: false
by artist: Milan Řehák
in album: Essential
  type: MusicAlbum
  date published: 2022-11-07
isrc code: CZA162253356

Rondo Capriccioso
type: MusicRecording
duration: PT6M12S
duration ms: 372160
explicit: false
by artist: Milan Řehák
in album: Essential
  type: MusicAlbum
  date published: 2022-11-07

A Flight beyond Time
type: MusicRecording
duration: PT4M57S
duration ms: 297428
explicit: false
by artist: Milan Řehák
in album: Essential
  type: MusicAlbum
  date published: 2022-11-07
isrc code: CZA162253358

Violin Partita No. 2 in D Minor, BWV 1004: V. Chaconne - Arr. for Accordion
type: MusicRecording
duration: PT14M21S
duration ms: 861990
explicit: false
by artist: Johann Sebastian Bach
by artist: Ferruccio Busoni
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Sonata No. 2: I. Alegro ingenuo
type: MusicRecording
duration: PT5M36S
duration ms: 336734
explicit: false
by artist: Vladislav Zolotaryov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15
isrc code: CZN921900038
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:53:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc849ae03423d81fed51ba54bc49335c2192f929c34adad778814d1a520d17637
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZN921900038
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 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 0xc849ae03423d81fed51ba54bc49335c2192f929c34adad778814d1a520d17637. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZN921900038.
  date published: 2026-07-08T08:56:20Z

Sonata No. 2: II. Adagio tranquillo molto
type: MusicRecording
duration: PT3M57S
duration ms: 237641
explicit: false
by artist: Vladislav Zolotaryov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Sonata No. 2: III. Vivacissimo con spirito
type: MusicRecording
duration: PT3M18S
duration ms: 198469
explicit: false
by artist: Vladislav Zolotaryov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

The Collapsed Cathedral
type: MusicRecording
duration: PT6M27S
duration ms: 387000
explicit: false
by artist: Václav Trojan
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Five Views on Gulag State: I. A Zone
type: MusicRecording
duration: PT4M15S
duration ms: 255520
explicit: false
by artist: Victor Vlasov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Five Views on Gulag State: II. A Stage
type: MusicRecording
duration: PT4M7S
duration ms: 247110
explicit: false
by artist: Victor Vlasov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Five Views on Gulag State: III. Thieves
type: MusicRecording
duration: PT2M43S
duration ms: 163240
explicit: false
by artist: Victor Vlasov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Five Views on Gulag State: IV. Wood-cutting Area
type: MusicRecording
duration: PT3M34S
duration ms: 214450
explicit: false
by artist: Victor Vlasov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Five Views on Gulag State: V. Criminal Authority and Creep
type: MusicRecording
duration: PT3M2S
duration ms: 182950
explicit: false
by artist: Victor Vlasov
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Spanish Caprice
type: MusicRecording
duration: PT6M53S
duration ms: 413620
explicit: false
by artist: Moritz Moszkowski
by artist: Milan Řehák
in album: Stories
  type: MusicAlbum
  date published: 2019-08-15

Bach Meets Ac/DC
type: MusicRecording
duration: PT3M21S
duration ms: 201301
explicit: false
by artist: Milan Řehák
in album: Uncharted Waters
  type: MusicAlbum
  date published: 2017-08-09
isrc code: CZN921700020