Constantine Orbelian
type: MusicGroup
genre: opera
description: Constantine Garrievich Orbelian, Jr. (, , born San Francisco, 27 August 1956) is an American conductor and pianist of Armenian and Russian descent. He is named after his paternal uncle Konstantin Orbe
popularity: 40
followers: 741
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. 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 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
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album: 40 Tracks for 40 Years: Delos' 40th Anniversary Celebration!
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    by artist: James 'Red' Holloway
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    by artist: Jack McDuff
    by artist: Gerryck King
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      date published: 2013-04-02
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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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T21:25:57Z
    audio: Going to Chicago Blues
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album: Opera Arias (Baritone): Hvorostovsky, Dmitri - Borodin, A.P. / Mussorgsky, M.P. / Rubinstein, A. / Wagner, R. / Giordano, U. / Verdi, G.
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  date published: 2007-01-01
  track: Prince Igor (Knyaz Igor), Act II: Ni sna ne otdikha
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      date published: 2007-01-01
    popularity: 6
    genre: classical
    genre: late-romantic-era
    genre: early-modern-classical
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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
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T12:24:41Z
    audio: Prince Igor (Knyaz Igor), Act II: Ni sna ne otdikha
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  track: Tannhäuser: Tannhauser: O du mein holder Abendstern
  track: Andrea Chénier, Andrea Chenier, Act III: Nemico della Patria
  track: Tosca, S. 69, Tosca, Act I: Tre sbirri, una carrozza, "Te Deum"
  track: Faust, CG 4, Faust, Act I: Avant de quitter ces lieux
  track: Carmen, WD 31, Carmen, Act II: Toreado Song. Votre toast, je peux vous le rendre
  track: Hamlet, Act II: O vin, dissipe la tristesse
album: Opera Arias (Tenor): Shtoda, Daniil - Rimsky-Korsakov, N.A. / Tchaikovksy, P.I. / Dargomyzhsky, A.S. / Rachmaninov, S. / Khrennikov, T.N.
album: Classical Music for Kids: Bach
album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
album: Opera Arias (Mezzo-Soprano): Domashenko, Marina - Cilea, F. / Saint-Saens, C. / Mussorgsky, M.P. / Rimsky-Korsakov, N.A. / Prokofiev, S.
album: Classical Caffeine
album: Classical Wellness
album: Mozart, W.A.: Adagios
album: Girls Gotta Dance! - Rhythms To Excite the Muscles, Symmetry To Stimulate the Brain, Melodies To Delight the Heart
album: Day In The Life Of Leo (A) - Classical Music for You and Your Cat
album: Baby Needs Music
album: Boys Gotta Dance!
album: Bach, C.P.E.: Flute Concertos in G Major / D Minor / A Major

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Tannhäuser: Tannhauser: O du mein holder Abendstern
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by artist: Dmitri Hvorostovsky
by artist: Russia Spiritual Revival Choir
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  date published: 2007-01-01
popularity: 5
genre: classical
genre: opera
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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: Tannhäuser: Tannhauser: O du mein holder Abendstern
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Andrea Chénier, Andrea Chenier, Act III: Nemico della Patria
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  date published: 2007-01-01
popularity: 3
genre: opera
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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 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
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  date published: 2026-07-08T03:20:19Z
audio: Andrea Chénier, Andrea Chenier, Act III: Nemico della Patria
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Tosca, S. 69, Tosca, Act I: Tre sbirri, una carrozza, "Te Deum"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
audio: Tosca, S. 69, Tosca, Act I: Tre sbirri, una carrozza, "Te Deum"
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Faust, CG 4, Faust, Act I: Avant de quitter ces lieux
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subject of: OpenTimestamps Proof of Existence
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Carmen, WD 31, Carmen, Act II: Toreado Song. Votre toast, je peux vous le rendre
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subject of: OpenTimestamps Proof of Existence
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Hamlet, Act II: O vin, dissipe la tristesse
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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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Opera Arias (Tenor): Shtoda, Daniil - Rimsky-Korsakov, N.A. / Tchaikovksy, P.I. / Dargomyzhsky, A.S. / Rachmaninov, S. / Khrennikov, T.N.
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Classical Music for Kids: Bach
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-29T19:35:34Z
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track: Violin Concerto in E Major, BWV 1042: I. Allegro
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  subject of: OpenTimestamps Proof of Existence
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track: Clavier-Büchlein vor W.F. Bach: Prelude in F Major, BWV 927
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  audio: Clavier-Büchlein vor W.F. Bach: Prelude in F Major, BWV 927

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date published: 2026-07-31T04:14:58Z

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Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
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track: Gde-to Daleko (Pesnya o Dalekoy Rodine) (Somewhere Far Away)
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  duration: PT4M2S
  duration ms: 242400
  explicit: false
  by artist: Evgeny Stetsyuk
  by artist: Mikael Tariverdiev
  by artist: Dmitri Hvorostovsky
  by artist: Spiritual Revival Choir of Russia
  by artist: Style of Five
  by artist: Moscow Chamber Orchestra
  by artist: Constantine Orbelian
  in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
    type: MusicAlbum
    date published: 2003-01-01
  popularity: 12
  isrc code: USASX0531501
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T04:25:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf4d06b45f78b690fe7b0ef2665a338c13f25f8cdd1938663a66d693df94440d4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531501
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xf4d06b45f78b690fe7b0ef2665a338c13f25f8cdd1938663a66d693df94440d4. 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/USASX0531501.
    date published: 2026-07-02T03:55:08Z
  audio: Gde-to Daleko (Pesnya o Dalekoy Rodine) (Somewhere Far Away)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.12
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.316
    additional property: Energy
      type: PropertyValue
      value: 0.133
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.982
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.029
    additional property: Liveness
      type: PropertyValue
      value: 0.094
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.058
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.086
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Tiomnaia Noch (Dark is the Night)
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214093
  explicit: false
  by artist: Evgeny Stetsyuk
  by artist: Nikita Bogoslovsky
  by artist: Dmitri Hvorostovsky
  by artist: Spiritual Revival Choir of Russia
  by artist: Style of Five
  by artist: Moscow Chamber Orchestra
  by artist: Constantine Orbelian
  in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
    type: MusicAlbum
    date published: 2003-01-01
  popularity: 13
  isrc code: USASX0531502
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T04:26:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8f9296b7502b5d8ba014839fa4859208da9b780b25eb282b9ded27d027a9ecc1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531502
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x8f9296b7502b5d8ba014839fa4859208da9b780b25eb282b9ded27d027a9ecc1. 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/USASX0531502.
    date published: 2026-07-02T03:55:08Z
  audio: Tiomnaia Noch (Dark is the Night)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.662
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 6
    additional property: Danceability
      type: PropertyValue
      value: 0.29
    additional property: Energy
      type: PropertyValue
      value: 0.181
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.971
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.089
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.212
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.886
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Slutchaynyy Val's (Unexpected Waltz)
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176133
  explicit: false
  by artist: Evgeny Stetsyuk
  by artist: M. Fradkin
  by artist: Dmitri Hvorostovsky
  by artist: Spiritual Revival Choir of Russia
  by artist: Style of Five
  by artist: Moscow Chamber Orchestra
  by artist: Constantine Orbelian
  in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
    type: MusicAlbum
    date published: 2003-01-01
  popularity: 13
  isrc code: USASX0531503
  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
  audio: Slutchaynyy Val's (Unexpected Waltz)
track: Moscow Nights: Gde Zhe Vy Teper', Druz'ya-Odnopolchane (Where are you, my brothers?)
track: Na Bezymiannoy Vysote (On a Nameless Hill)
track: Dorogi (The Roads)
track: Vot Soldaty Idut (Soldiers are Coming)
track: Zhuravli (Cranes)
track: V Zemlianke (In the Trenches)
track: Zavetnyy Kamen (The Sacred Stone)
track: Katyusha
track: Kazaki v Berline (Cossacks in Berlin)
track: Moia Moskva (My Moscow)
track: Dorozhka Frontovaia (Pesenka Frontovogo Shofiora) (The Road to the Front)
track: Na Sopkakh Mandzhurii (The Hills of Manchuria)
track: Odinokaia Garmon (The Lonely Accordion)
track: Posledniy Boi (The Last Battle)

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-22T04:36:30+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xa8735a01dd3fe881d22554b714520b17daeb661ce65a055ceade4f5d1a2d4571

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956304

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531503

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8735a01dd3fe881d22554b714520b17daeb661ce65a055ceade4f5d1a2d4571. 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/USASX0531503.
date published: 2026-07-02T03:55:08Z

Slutchaynyy Val's (Unexpected Waltz)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 123.461
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.435
additional property: Energy
  type: PropertyValue
  value: 0.192
additional property: Speechiness
  type: PropertyValue
  value: 0.06
additional property: Acousticness
  type: PropertyValue
  value: 0.981
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.111
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.215
additional property: Loudness (dB)
  type: PropertyValue
  value: -20.58
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Minor

Moscow Nights: Gde Zhe Vy Teper', Druz'ya-Odnopolchane (Where are you, my brothers?)
type: MusicRecording
duration: PT3M39S
duration ms: 219573
explicit: false
by artist: Vasily Pavlovich Solov'yov-Sedoy
by artist: Mikhail Matusovsky
by artist: Dmitri Hvorostovsky
by artist: Spiritual Revival Choir of Russia
by artist: Style of Five
by artist: Moscow Chamber Orchestra
by artist: Constantine Orbelian
in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
  type: MusicAlbum
  date published: 2003-01-01
popularity: 9
isrc code: USASX0531504
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T07:18:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe0ccf6dc54cd9b58863674f4ca94fe1cc7fc6fa8b3ae613d326288818db4a713
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531504
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xe0ccf6dc54cd9b58863674f4ca94fe1cc7fc6fa8b3ae613d326288818db4a713. 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/USASX0531504.
  date published: 2026-07-02T03:55:08Z
audio: Moscow Nights: Gde Zhe Vy Teper', Druz'ya-Odnopolchane (Where are you, my brothers?)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.587
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.294
  additional property: Energy
    type: PropertyValue
    value: 0.26
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.264
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.182
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.443
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Na Bezymiannoy Vysote (On a Nameless Hill)
type: MusicRecording
duration: PT4M21S
duration ms: 261893
explicit: false
by artist: Evgeny Stetsyuk
by artist: Veniamin Yefimovich Basner
by artist: Dmitri Hvorostovsky
by artist: Spiritual Revival Choir of Russia
by artist: Style of Five
by artist: Moscow Chamber Orchestra
by artist: Constantine Orbelian
in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
  type: MusicAlbum
  date published: 2003-01-01
popularity: 9
isrc code: USASX0531505
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:54:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x98a6a618d30127285936084c4dccc51b193c45f2ed2d9797c8ecdb41ccf5dfb8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531505
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x98a6a618d30127285936084c4dccc51b193c45f2ed2d9797c8ecdb41ccf5dfb8. 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/USASX0531505.
  date published: 2026-07-02T03:55:08Z
audio: Na Bezymiannoy Vysote (On a Nameless Hill)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.068
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.427
  additional property: Energy
    type: PropertyValue
    value: 0.203
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.14
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.217
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.342
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Dorogi (The Roads)
type: MusicRecording
duration: PT4M51S
duration ms: 291306
explicit: false
by artist: Anatoly Grigoryevich Novikov
by artist: Evgeny Stetsyuk
by artist: Dmitri Hvorostovsky
by artist: Spiritual Revival Choir of Russia
by artist: Style of Five
by artist: Moscow Chamber Orchestra
by artist: Constantine Orbelian
in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
  type: MusicAlbum
  date published: 2003-01-01
popularity: 10
isrc code: USASX0531506
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T16:17:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x04f708a4fd86726c9f372628c7b6481cd986d2ecfa55b8abf357e1453f822dbd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531506
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x04f708a4fd86726c9f372628c7b6481cd986d2ecfa55b8abf357e1453f822dbd. 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/USASX0531506.
  date published: 2026-07-02T03:55:08Z
audio: Dorogi (The Roads)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.531
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.193
  additional property: Energy
    type: PropertyValue
    value: 0.185
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.527
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.115
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.676
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Vot Soldaty Idut (Soldiers are Coming)
type: MusicRecording
duration: PT2M58S
duration ms: 178800
explicit: false
by artist: Evgeny Stetsyuk
by artist: Kirill Molchanov
by artist: Dmitri Hvorostovsky
by artist: Spiritual Revival Choir of Russia
by artist: Style of Five
by artist: Moscow Chamber Orchestra
by artist: Constantine Orbelian
in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
  type: MusicAlbum
  date published: 2003-01-01
popularity: 8
isrc code: USASX0531507
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T07:15:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x57b5281248e53f4bfb1711b8b5ea6f14da98cebca797a394ea15408c9b30efa5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531507
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x57b5281248e53f4bfb1711b8b5ea6f14da98cebca797a394ea15408c9b30efa5. 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/USASX0531507.
  date published: 2026-07-02T03:55:08Z
audio: Vot Soldaty Idut (Soldiers are Coming)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.542
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.383
  additional property: Energy
    type: PropertyValue
    value: 0.222
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.231
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.814
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Zhuravli (Cranes)
type: MusicRecording
duration: PT4M16S
duration ms: 256333
explicit: false
by artist: Evgeny Stetsyuk
by artist: Yan Frenkel
by artist: Dmitri Hvorostovsky
by artist: Spiritual Revival Choir of Russia
by artist: Style of Five
by artist: Moscow Chamber Orchestra
by artist: Constantine Orbelian
in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
  type: MusicAlbum
  date published: 2003-01-01
popularity: 21
isrc code: USASX0531508
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T18:21:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0bc5edccd70d17794605fba4874c971bf940a3e7507951a6b3fc41bce281ce40
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531508
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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 0x0bc5edccd70d17794605fba4874c971bf940a3e7507951a6b3fc41bce281ce40. 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/USASX0531508.
  date published: 2026-06-13T13:32:09Z
audio: Zhuravli (Cranes)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.136
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.246
  additional property: Energy
    type: PropertyValue
    value: 0.136
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.095
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.148
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.513
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

V Zemlianke (In the Trenches)
type: MusicRecording
duration: PT3M2S
duration ms: 182200
explicit: false
by artist: Evgeny Stetsyuk
by artist: Konstantin Listov
by artist: Dmitri Hvorostovsky
by artist: Spiritual Revival Choir of Russia
by artist: Style of Five
by artist: Moscow Chamber Orchestra
by artist: Constantine Orbelian
in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
  type: MusicAlbum
  date published: 2003-01-01
popularity: 8
isrc code: USASX0531509
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T07:15:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x42ca0d9c58ef67657c6b72c0677b0bc082ddd3808151c42d68f0964cf549d98b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531509
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x42ca0d9c58ef67657c6b72c0677b0bc082ddd3808151c42d68f0964cf549d98b. 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/USASX0531509.
  date published: 2026-07-02T03:55:08Z
audio: V Zemlianke (In the Trenches)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.678
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.251
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.311
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.177
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.237
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Zavetnyy Kamen (The Sacred Stone)
type: MusicRecording
duration: PT4M36S
duration ms: 276360
explicit: false
by artist: Mikhail Matusovsky
by artist: Evgeny Stetsyuk
by artist: Dmitri Hvorostovsky
by artist: Spiritual Revival Choir of Russia
by artist: Style of Five
by artist: Moscow Chamber Orchestra
by artist: Constantine Orbelian
in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
  type: MusicAlbum
  date published: 2003-01-01
popularity: 7
isrc code: USASX0531510
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T13:54:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x261f9f9acc8dbf4f0f1c0e6194afbc62ed87d45089fd6533ba7c49ac8ff50f72
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960117
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960117
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531510
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T14:28:24Z
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 0x261f9f9acc8dbf4f0f1c0e6194afbc62ed87d45089fd6533ba7c49ac8ff50f72. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/USASX0531510.
  date published: 2026-07-29T14:28:24Z
audio: Zavetnyy Kamen (The Sacred Stone)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.05
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.171
  additional property: Energy
    type: PropertyValue
    value: 0.344
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.194
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.886
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Katyusha
type: MusicRecording
duration: PT2M14S
duration ms: 134040
explicit: false
by artist: Matvey Blanter
by artist: Evgeny Stetsyuk
by artist: Dmitri Hvorostovsky
by artist: Spiritual Revival Choir of Russia
by artist: Style of Five
by artist: Moscow Chamber Orchestra
by artist: Constantine Orbelian
in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
  type: MusicAlbum
  date published: 2003-01-01
popularity: 37
isrc code: USASX0531511
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T13:13:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x426b686f4e25d4452c0b959ae254cb29aa651512289d5e7fb8bd989bd87e36bb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953513
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531511
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0x426b686f4e25d4452c0b959ae254cb29aa651512289d5e7fb8bd989bd87e36bb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/USASX0531511.
  date published: 2026-06-13T12:47:07Z
audio: Katyusha
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.866
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.375
  additional property: Energy
    type: PropertyValue
    value: 0.368
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.246
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.594
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.288
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kazaki v Berline (Cossacks in Berlin)
type: MusicRecording
duration: PT2M18S
duration ms: 138293
explicit: false
by artist: Dmitry Pokrass
by artist: Evgeny Stetsyuk
by artist: Daniil Pokrass
by artist: Dmitri Hvorostovsky
by artist: Spiritual Revival Choir of Russia
by artist: Style of Five
by artist: Moscow Chamber Orchestra
by artist: Constantine Orbelian
in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
  type: MusicAlbum
  date published: 2003-01-01
popularity: 8
isrc code: USASX0531512
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T05:55:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x94ea44068618b99dfd583960eb120b07cc9b423a30db450e4af351783b67242b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959105
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959105
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531512
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T06:33:30Z
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 0x94ea44068618b99dfd583960eb120b07cc9b423a30db450e4af351783b67242b. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T06:33:30Z), 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/USASX0531512.
  date published: 2026-07-22T06:33:30Z
audio: Kazaki v Berline (Cossacks in Berlin)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.319
  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: 0.609
  additional property: Energy
    type: PropertyValue
    value: 0.43
  additional property: Speechiness
    type: PropertyValue
    value: 0.099
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.605
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.833
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Moia Moskva (My Moscow)
type: MusicRecording
duration: PT2M36S
duration ms: 156973
explicit: false
by artist: Isaak Dunayevsky
by artist: Evgeny Stetsyuk
by artist: Dmitri Hvorostovsky
by artist: Spiritual Revival Choir of Russia
by artist: Style of Five
by artist: Moscow Chamber Orchestra
by artist: Constantine Orbelian
in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
  type: MusicAlbum
  date published: 2003-01-01
popularity: 13
isrc code: USASX0531513
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T23:30:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x527c0039c6848ce48e5933d4c09e7ce0e178f24aff93e645956284b1fdac3f54
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960167
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960167
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531513
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T23:42:34Z
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 0x527c0039c6848ce48e5933d4c09e7ce0e178f24aff93e645956284b1fdac3f54. Chain 2 (Bitcoin): anchored in block 960167 (2026-07-29T23:42:34Z), 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/USASX0531513.
  date published: 2026-07-29T23:42:34Z
audio: Moia Moskva (My Moscow)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 119.741
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.439
  additional property: Energy
    type: PropertyValue
    value: 0.307
  additional property: Speechiness
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    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.012
  additional property: Liveness
    type: PropertyValue
    value: 0.08
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.434
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.91
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Dorozhka Frontovaia (Pesenka Frontovogo Shofiora) (The Road to the Front)
type: MusicRecording
duration: PT2M17S
duration ms: 137226
explicit: false
by artist: Boris Mokrousov
by artist: Evgeny Stetsyuk
by artist: Dmitri Hvorostovsky
by artist: Spiritual Revival Choir of Russia
by artist: Style of Five
by artist: Moscow Chamber Orchestra
by artist: Constantine Orbelian
in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
  type: MusicAlbum
  date published: 2003-01-01
popularity: 7
isrc code: USASX0531514
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T16:23:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4642da97403956078971a790d1eb3744530581ee7f09a614c7d6ab8e8a048b81
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531514
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
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 0x4642da97403956078971a790d1eb3744530581ee7f09a614c7d6ab8e8a048b81. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/USASX0531514.
  date published: 2026-07-29T19:35:34Z
audio: Dorozhka Frontovaia (Pesenka Frontovogo Shofiora) (The Road to the Front)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.975
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.537
  additional property: Energy
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    value: 0.372
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
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    value: 0.944
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.675
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.31
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Na Sopkakh Mandzhurii (The Hills of Manchuria)
type: MusicRecording
duration: PT2M55S
duration ms: 175773
explicit: false
by artist: Evgeny Stetsyuk
by artist: I. Shatrov
by artist: Dmitri Hvorostovsky
by artist: Spiritual Revival Choir of Russia
by artist: Style of Five
by artist: Moscow Chamber Orchestra
by artist: Constantine Orbelian
in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
  type: MusicAlbum
  date published: 2003-01-01
popularity: 15
isrc code: USASX0531515
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T05:34:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x10a37fee7fd9121fc4846fb7513c4dec6f24892f1538130267b7abb8847f4515
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531515
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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 0x10a37fee7fd9121fc4846fb7513c4dec6f24892f1538130267b7abb8847f4515. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531515.
  date published: 2026-07-02T03:30:09Z
audio: Na Sopkakh Mandzhurii (The Hills of Manchuria)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.35
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.359
  additional property: Energy
    type: PropertyValue
    value: 0.098
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.177
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.43
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Odinokaia Garmon (The Lonely Accordion)
type: MusicRecording
duration: PT3M7S
duration ms: 187733
explicit: false
by artist: Boris Mokrousov
by artist: Evgeny Stetsyuk
by artist: Dmitri Hvorostovsky
by artist: Spiritual Revival Choir of Russia
by artist: Style of Five
by artist: Moscow Chamber Orchestra
by artist: Constantine Orbelian
in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
  type: MusicAlbum
  date published: 2003-01-01
popularity: 12
isrc code: USASX0531516
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:27:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x28c060cb18cc3d426b3669831231b287e8fe8c5ff4efa8932b54d5cc1a291707
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531516
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x28c060cb18cc3d426b3669831231b287e8fe8c5ff4efa8932b54d5cc1a291707. 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/USASX0531516.
  date published: 2026-07-02T03:55:08Z
audio: Odinokaia Garmon (The Lonely Accordion)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.992
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.34
  additional property: Energy
    type: PropertyValue
    value: 0.086
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.363
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.179
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.376
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
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    value: Minor

Posledniy Boi (The Last Battle)
type: MusicRecording
duration: PT3M39S
duration ms: 219826
explicit: false
by artist: Evgeny Stetsyuk
by artist: Mikhail Nozhkin
by artist: Dmitri Hvorostovsky
by artist: Spiritual Revival Choir of Russia
by artist: Style of Five
by artist: Moscow Chamber Orchestra
by artist: Constantine Orbelian
in album: Hvorostovsky, D.: Songs - Tariverdiev M. / Bogoslovsky, N. / Fradkin, M. / Solov'Yov- Sedoy / V. / Basner, V. / Novikov, A.
  type: MusicAlbum
  date published: 2003-01-01
popularity: 8
isrc code: USASX0531517
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:54:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9f1c83f5bc34b383d0e8181c7e93e1b07bc545dbae997d1b2b1afd3193e580fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0531517
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x9f1c83f5bc34b383d0e8181c7e93e1b07bc545dbae997d1b2b1afd3193e580fe. 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/USASX0531517.
  date published: 2026-07-02T03:55:08Z
audio: Posledniy Boi (The Last Battle)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.504
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.367
  additional property: Energy
    type: PropertyValue
    value: 0.069
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.198
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.812
  additional property: Key Name
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  additional property: Mode Name
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    value: Minor

Opera Arias (Mezzo-Soprano): Domashenko, Marina - Cilea, F. / Saint-Saens, C. / Mussorgsky, M.P. / Rimsky-Korsakov, N.A. / Prokofiev, S.
type: MusicAlbum
date published: 2001-01-01

Classical Caffeine
type: MusicAlbum
date published: 2013-02-05

Classical Wellness
type: MusicAlbum
date published: 2013-11-05

Mozart, W.A.: Adagios
type: MusicAlbum
date published: 1999-01-01
track: Piano Concerto No. 20 in D Minor, K. 466: II. Romance
  type: MusicRecording
  duration: PT9M33S
  duration ms: 573333
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Carol Rosenberger
  by artist: Moscow Chamber Orchestra
  by artist: Constantine Orbelian
  in album: Mozart, W.A.: Adagios
    type: MusicAlbum
    date published: 1999-01-01
  popularity: 4
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: USASX0824301
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T16:52:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb7e18d185186073bedc4bb00513addb4825bc9e8f1b15c7d47302b57e5046fc2
  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/USASX0824301
  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 0xb7e18d185186073bedc4bb00513addb4825bc9e8f1b15c7d47302b57e5046fc2. 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/USASX0824301.
    date published: 2026-07-08T03:20:19Z
  audio: Piano Concerto No. 20 in D Minor, K. 466: II. Romance
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 104.361
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.244
    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
      value: 0.991
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.926
    additional property: Liveness
      type: PropertyValue
      value: 0.08
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.081
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.426
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Divertimento in D Major, K. 136: II. Andante
  type: MusicRecording
  duration: PT6M20S
  duration ms: 380400
  explicit: false
  by artist: Wolfgang Amadeus Mozart
  by artist: Moscow Chamber Orchestra
  by artist: Constantine Orbelian
  in album: Mozart, W.A.: Adagios
    type: MusicAlbum
    date published: 1999-01-01
  popularity: 4
  genre: classical
  genre: classical-era
  genre: classical-piano
  genre: opera
  genre: chamber-music
  genre: concerto
  isrc code: USASX0824302
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T17:26:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd673787d0aee1bbc1198637f7caec01a78a3a1b8eaaacb7d7f1d6a415452aafc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960441
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960441
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0824302
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T17:29:52Z
  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
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track: Divertimento in F Major, K. 138, "Salzburg Symphony No. 3": II. Andante
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Violin Concerto No. 5 in A Major, K. 219, "Turkish": II. Adagio
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Divertimento in F Major, K. 138, "Salzburg Symphony No. 3": II. Andante
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Piano Concerto No. 23 in A Major, K. 488: II. Adagio
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Oboe Concerto in C Major, K. 271k / K. 314: II. Adagio non troppo
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Violin Concerto No. 4 in D Major, K. 218: II. Andante cantabile
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Divertimento in B-Flat Major, K. 137: I. Andante
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subject of: OpenTimestamps Proof of Existence
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audio: Divertimento in B-Flat Major, K. 137: I. Andante
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Girls Gotta Dance! - Rhythms To Excite the Muscles, Symmetry To Stimulate the Brain, Melodies To Delight the Heart
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Day In The Life Of Leo (A) - Classical Music for You and Your Cat
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Baby Needs Music
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Boys Gotta Dance!
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Bach, C.P.E.: Flute Concertos in G Major / D Minor / A Major
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