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description: Alfred Walter (May 8, 1929 – March 7, 2004) was a Bohemian-Austrian conductor. He was born in Southern Bohemia to Austrian parents, and studied at the University of Graz. He was appointed as assistan
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album: Strauss, O.: His Most Popular Works
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  date published: 1993-12-08
album: Strauss, Josef: Edition - Vol. 1
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  track: Marien-Klange, Op. 214: Marien-Klange, Waltzer, Op. 214
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  track: Gablenz, Op. 159: Gablenz-Marsch, Op. 159
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album: Strauss II: 100 Most Famous Works, Vol. 7
album: Strauss II: 100 Most Famous Works, Vol. 4
album: Waldteufel: The Best of Emile Waldteufel, Vol. 11
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album: Waldteufel: The Best of Emile Waldteufel, Vol. 8
album: Ziehrer: Selected Dances and Marches, Vol. 1
album: Berte, H.: Dreimaderlhaus (Das) [Operetta]
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album: Best of Operetta, Vol. 1
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album: Strauss Ii, J.: Edition - Vol. 48
album: Bizet: Carmen Suites Nos. 1 and 2 / L'Arlesienne Suites Nos. 1 and 2
album: SUPPE: Overtures, Vol. 4
album: Suppe: Overtures, Vol. 3
album: Furtwangler: Symphony in D Major / Symphony in B Minor
album: Suppe: Overtures, Vol. 2
album: Suppe: Overtures, Vol. 1
album: Marschner: Overtures
album: Strauss Ii, J.: Edition - Vol. 38
album: Merry Christmas
album: Waldteufel: The Best of Emile Waldteufel, Vol. 2
album: WALDTEUFEL: The Best of Emile Waldteufel, Vol. 4
album: Waldteufel: The Best of Emile Waldteufel, Vol. 1
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album: Spohr: Symphonies Nos. 7 and 8
album: Spohr: Symphonies Nos. 3 & 6
album: Rubinstein: Piano Concertos Nos. 1 and 2
album: Strauss Ii, J.: Edition - Vol. 36
album: Strauss Ii, J.: Edition - Vol. 31
album: Strauss Ii, J.: Edition - Vol. 29
album: Spohr: Symphonies Nos. 1 and 5
album: 101 Classics - The Best Loved Classical Melodies
album: A Guided Tour of the Romantic Era, Vol. 3
album: My First Christmas Album
album: Christmas Favorite Classics
album: 50 of the Best: Romantic Symphonies
album: Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
track: Carmen Suite No. 2: II. Habanera

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subject of: OpenTimestamps Proof of Existence
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Lachner: Symphony No. 8 / Ball-Suite
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Reinecke: Symphony No. 1 / King Manfred
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  subject of: OpenTimestamps Proof of Existence
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6f30f1d40f18472327af0cf4638d57c2ace5bde6892fd0b1096f79cb31e4298. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB269900168 — a six-check JSON result.
date published: 2026-07-31T17:29:52Z

Mondnacht auf der Alster, Op. 60
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Strauss II: 100 Most Famous Works, Vol. 7
type: MusicAlbum
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Strauss II: 100 Most Famous Works, Vol. 4
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Waldteufel: The Best of Emile Waldteufel, Vol. 11
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Debussy, C.: Boite A Joujoux (La) / Poulenc, F.: L'Histoire De Babar (Narrated in German)
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Waldteufel: The Best of Emile Waldteufel, Vol. 10
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Waldteufel: The Best of Emile Waldteufel, Vol. 9
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Waldteufel: The Best of Emile Waldteufel, Vol. 8
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Ziehrer: Selected Dances and Marches, Vol. 1
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Berte, H.: Dreimaderlhaus (Das) [Operetta]
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Waldteufel: Famous Waltzes
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Suppe: Famous Overtures
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Best of Operetta, Vol. 1
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T05:43:45Z
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track: Fruhlingsstimmen (Voices of Spring), Op. 410
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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
    type: DigitalDocument
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    date published: 2026-07-02T03:55:08Z
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Strauss II: Famous Overtures
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date published: 1996-10-17

Strauss Ii, J.: Edition - Vol. 48
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date published: 1996-02-12
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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
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Bizet: Carmen Suites Nos. 1 and 2 / L'Arlesienne Suites Nos. 1 and 2
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T14:04:01Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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SUPPE: Overtures, Vol. 4
type: MusicAlbum
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Suppe: Overtures, Vol. 3
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date published: 1995-02-24

Furtwangler: Symphony in D Major / Symphony in B Minor
type: MusicAlbum
date published: 1995-01-31

Suppe: Overtures, Vol. 2
type: MusicAlbum
date published: 1994-10-10

Suppe: Overtures, Vol. 1
type: MusicAlbum
date published: 1994-09-14

Marschner: Overtures
type: MusicAlbum
date published: 1994-08-19

Strauss Ii, J.: Edition - Vol. 38
type: MusicAlbum
date published: 1994-06-20

Merry Christmas
type: MusicAlbum
date published: 1994-01-01

Waldteufel: The Best of Emile Waldteufel, Vol. 2
type: MusicAlbum
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WALDTEUFEL: The Best of Emile Waldteufel, Vol. 4
type: MusicAlbum
date published: 1993-07-05
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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: 2026-07-31T17:29:52Z
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Waldteufel: The Best of Emile Waldteufel, Vol. 1
type: MusicAlbum
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Spohr: Symphonies Nos. 2 & 9
type: MusicAlbum
date published: 1993-05-10

Furtwangler: Symphony No. 2
type: MusicAlbum
date published: 1993-02-22

Spohr: Symphonies Nos. 7 and 8
type: MusicAlbum
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Spohr: Symphonies Nos. 3 & 6
type: MusicAlbum
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Rubinstein: Piano Concertos Nos. 1 and 2
type: MusicAlbum
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Strauss Ii, J.: Edition - Vol. 36
type: MusicAlbum
date published: 1992-01-01

Strauss Ii, J.: Edition - Vol. 31
type: MusicAlbum
date published: 1992-01-01
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T18:48:12Z
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Strauss Ii, J.: Edition - Vol. 29
type: MusicAlbum
date published: 1992-01-01

Spohr: Symphonies Nos. 1 and 5
type: MusicAlbum
date published: 1992-01-01

101 Classics - The Best Loved Classical Melodies
type: MusicAlbum
date published: 1998-12-01
track: An der schonen, blauen Donau (The Beautiful Blue Danube), Op. 314
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  by artist: Strauss Festival Orchestra
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-07T16:07:00Z
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track: Emperor Waltz, Op. 437: Kaiser Walzer (Emperor Waltz), Op. 437
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  by artist: Ondrej Lenard
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  subject of: OpenTimestamps Proof of Existence
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track: The Danube Waves: Valurile Dunarii (The Danube Waves)
track: Bagatelle in A Minor, WoO 59, "Fur Elise"
track: Serenade for Strings in C Major, Op. 48: II. Walzer
track: Les Patineurs, Op. 183, "The Skater's Waltz"
track: Sobre las olas (Over the Waves)
track: The Nutcracker Suite, Op. 71a: VIII. Waltz of the Flowers
track: Piano Sonata No. 11 in A Major, K. 331: III. Alla Turca: Allegretto

OTSHash
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xbe3cf3d98fb8cedf7081cd6c2baa223ac7a75c4dfe2757d2046c0032766d09e8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199245302 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Emperor Waltz, Op. 437: Kaiser Walzer (Emperor Waltz), Op. 437
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The Danube Waves: Valurile Dunarii (The Danube Waves)
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
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Bagatelle in A Minor, WoO 59, "Fur Elise"
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by artist: Ludwig van Beethoven
by artist: Balazs Szokolay
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popularity: 4
genre: classical
genre: classical-piano
genre: chamber-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T22:48:59Z
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Serenade for Strings in C Major, Op. 48: II. Walzer
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by artist: Vienna Chamber Orchestra
by artist: Philippe Entremont
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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
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Les Patineurs, Op. 183, "The Skater's Waltz"
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by artist: Slovak State Philharmonic Orchestra, Kosice
by artist: Alfred Walter
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popularity: 1
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Sobre las olas (Over the Waves)
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by artist: Mexico Festival Orchestra
by artist: Enrique Bátiz
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popularity: 1
genre: late-romantic-era
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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: Sobre las olas (Over the Waves)
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The Nutcracker Suite, Op. 71a: VIII. Waltz of the Flowers
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duration: PT6M56S
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by artist: Slovak Radio Symphony Orchestra
by artist: Ondrej Lenard
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
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Piano Sonata No. 11 in A Major, K. 331: III. Alla Turca: Allegretto
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by artist: Wolfgang Amadeus Mozart
by artist: Jenő Jandó
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T11:07:37Z
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A Guided Tour of the Romantic Era, Vol. 3
type: MusicAlbum
date published: 2013-03-12

My First Christmas Album
type: MusicAlbum
date published: 2016-11-11

Christmas Favorite Classics
type: MusicAlbum
date published: 2016-10-28

50 of the Best: Romantic Symphonies
type: MusicAlbum
date published: 2012-02-15

Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
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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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e0e5dee11ee912ef295071282d122edce1a71a79d99b27b4e63143d5eefb7bd. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199927401 — a six-check JSON result.
    date published: 2026-07-02T03:30:09Z
  audio: Carmen: Carmen: Prelude
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Orphee aux enfers (Orpheus in the Underworld): Can-Can
  type: MusicRecording
  duration: PT5M25S
  duration ms: 325333
  explicit: false
  by artist: Jacques Offenbach
  by artist: Slovak State Philharmonic Orchestra, Kosice
  by artist: Johannes Wildner
  in album: Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
    type: MusicAlbum
    date published: 2008-12-16
  popularity: 16
  genre: classical
  genre: german-romanticism
  genre: late-romantic-era
  genre: french-opera
  genre: french-romanticism
  genre: operetta
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x7341b2a8224cf5729af14ecd07026ccba723ecd71f1cbd8dff71310907903006
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  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/HKI199228501
  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 0x7341b2a8224cf5729af14ecd07026ccba723ecd71f1cbd8dff71310907903006. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199228501 — a six-check JSON result.
    date published: 2026-07-02T03:30:09Z
  audio: Orphee aux enfers (Orpheus in the Underworld): Can-Can
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Speechiness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Thais: Thais, Act II: Meditation
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284080
  explicit: false
  by artist: Jules Massenet
  by artist: Janos Selmeczi
  by artist: Camerata Transsylvanica
  by artist: György Selmeczi
  in album: Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
    type: MusicAlbum
    date published: 2008-12-16
  popularity: 5
  genre: classical
  isrc code: HKI199927408
  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: Thais: Thais, Act II: Meditation
track: Cavalleria Rusticana: Intermezzo
track: Eugene Onegin, Op. 24: Act III Scene 1: Polonaise
track: La gazza ladra (The Thieving Magpie): Overture
track: Eugene Onegin, Op. 24: Act II Scene 1: Waltz
track: Ruslan and Lyudmilla: Overture
track: La Gioconda, Act III: Dance of the Hours
track: Carmen: Carmen, Act III: Prelude
track: Lohengrin, Act III: Prelude
track: Manon Lescaut: Intermezzo
track: La traviata, Act I: Prelude
track: Der Freischutz, J. 277: Overture
track: Le nozze di Figaro (The Marriage of Figaro), K. 492: Overture
track: Il barbiere di Siviglia (The Barber of Seville): Il Barbiere di Siviglia (The Barber of Seville): Overture
track: Die lustigen Weiber von Windsor (The Merry Wives of Windsor): Die Lustigen Weiber von Windsor (The Merry Wives of Windsor): Overture
track: Faust: Faust: Ballet music
track: Prince Igor, Act II: Polovtsian Dances
track: Guillaume Tell (William Tell): Overture
track: Les contes d'Hoffmann (The Tales of Hoffmann) (arr. for orchestra): Les Contes d'Hoffmann (Tales of Hoffmann): Barcarolle

CopyrightID
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CopyrightStatus
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value: registered

CopyrightRegisteredAt
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value: 2026-07-07T02:26:51+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x5fdb5570349bf222c836ea101940a655349af37dee76ad216892a235665a6dd1

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957118

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199927408

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

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x5fdb5570349bf222c836ea101940a655349af37dee76ad216892a235665a6dd1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199927408 — a six-check JSON result.
date published: 2026-07-08T03:20:19Z

Thais: Thais, Act II: Meditation
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
  type: PropertyValue
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additional property: Key Name
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additional property: Mode Name
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Cavalleria Rusticana: Intermezzo
type: MusicRecording
duration: PT3M43S
duration ms: 223800
explicit: false
by artist: Pietro Mascagni
by artist: Slovak Radio Symphony Orchestra
by artist: Alexander Rahbari
in album: Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
  type: MusicAlbum
  date published: 2008-12-16
popularity: 3
genre: opera
isrc code: HKI199927402
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:18:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf40a6ac6c0e96c2bec83381cdbf0be2dba3e77feefa6f0770e898f55d510b9a1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199927402
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 0xf40a6ac6c0e96c2bec83381cdbf0be2dba3e77feefa6f0770e898f55d510b9a1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199927402 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Cavalleria Rusticana: Intermezzo
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Eugene Onegin, Op. 24: Act III Scene 1: Polonaise
type: MusicRecording
duration: PT4M22S
duration ms: 262000
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: CSR Symphony Orchestra, Bratislava
by artist: Ondrej Lenard
in album: Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
  type: MusicAlbum
  date published: 2008-12-16
popularity: 4
isrc code: HKI199228512
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:33:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x34f0275b5fdeb327b9de49ad5a5d5b3bef6549970e6120731f889d4d856ffc75
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/HKI199228512
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 0x34f0275b5fdeb327b9de49ad5a5d5b3bef6549970e6120731f889d4d856ffc75. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199228512 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Eugene Onegin, Op. 24: Act III Scene 1: Polonaise
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.545
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.963
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
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    value: 0.368
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.09
  additional property: Key Name
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  additional property: Mode Name
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La gazza ladra (The Thieving Magpie): Overture
type: MusicRecording
duration: PT10M10S
duration ms: 610000
explicit: false
by artist: Gioachino Rossini
by artist: Zagreb Festival Orchestra
by artist: Michael Halasz
in album: Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
  type: MusicAlbum
  date published: 2008-12-16
popularity: 11
genre: classical
genre: opera
isrc code: HKI199296401
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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/HKI199296401
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 0x6d7a91741ec1d3210e9b00c38d54d6f34795b623ef5e23f8500e25f3ff55284b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199296401 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: La gazza ladra (The Thieving Magpie): Overture
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Eugene Onegin, Op. 24: Act II Scene 1: Waltz
type: MusicRecording
duration: PT6M25S
duration ms: 385000
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: CSR Symphony Orchestra, Bratislava
by artist: Ondrej Lenard
in album: Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
  type: MusicAlbum
  date published: 2008-12-16
popularity: 16
isrc code: HKI199228513
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Ruslan and Lyudmilla: Overture
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by artist: CSR Symphony Orchestra, Bratislava
by artist: Anthony Bramall
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  date published: 2026-07-29T19:35:34Z
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La Gioconda, Act III: Dance of the Hours
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Carmen: Carmen, Act III: Prelude
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by artist: Alexander Rahbari
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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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Lohengrin, Act III: Prelude
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by artist: Slovak Philharmonic
by artist: Michael Halasz
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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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Manon Lescaut: Intermezzo
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by artist: Belgian Radio and Television Philharmonic Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
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La traviata, Act I: Prelude
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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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Der Freischutz, J. 277: Overture
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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 0x954ad55265b35f40633b034b2e09e564926e40b1d8471dd09b5025c877234261. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199242001 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Der Freischutz, J. 277: Overture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.044
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.154
  additional property: Energy
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    value: 0.031
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.829
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.748
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Le nozze di Figaro (The Marriage of Figaro), K. 492: Overture
type: MusicRecording
duration: PT4M3S
duration ms: 243800
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Capella Istropolitana
by artist: Barry Wordsworth
in album: Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
  type: MusicAlbum
  date published: 2008-12-16
popularity: 18
genre: classical
genre: classical-era
genre: classical-piano
genre: opera
genre: chamber-music
genre: concerto
isrc code: HKI199611201
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:42:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb4d7d44aae6ec0ffe1ae0af69500d98fe0dffc6934c01fb3740d107d6b1b63f7
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/HKI199611201
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 0xb4d7d44aae6ec0ffe1ae0af69500d98fe0dffc6934c01fb3740d107d6b1b63f7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199611201 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Le nozze di Figaro (The Marriage of Figaro), K. 492: Overture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.126
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.433
  additional property: Energy
    type: PropertyValue
    value: 0.234
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.745
  additional property: Liveness
    type: PropertyValue
    value: 0.129
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.34
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.466
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Il barbiere di Siviglia (The Barber of Seville): Il Barbiere di Siviglia (The Barber of Seville): Overture
type: MusicRecording
duration: PT7M46S
duration ms: 466000
explicit: false
by artist: Gioachino Rossini
by artist: Zagreb Festival Orchestra
by artist: Michael Halasz
in album: Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
  type: MusicAlbum
  date published: 2008-12-16
popularity: 16
genre: classical
genre: opera
isrc code: HKI199296402
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:07:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9cc1e70688095f26f65504e6d20cc25bf477e835baec23f28fe625d306ce1511
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/HKI199296402
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 0x9cc1e70688095f26f65504e6d20cc25bf477e835baec23f28fe625d306ce1511. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199296402 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Il barbiere di Siviglia (The Barber of Seville): Il Barbiere di Siviglia (The Barber of Seville): Overture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.403
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.292
  additional property: Energy
    type: PropertyValue
    value: 0.078
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.844
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.444
  additional property: Liveness
    type: PropertyValue
    value: 0.08
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.27
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.907
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die lustigen Weiber von Windsor (The Merry Wives of Windsor): Die Lustigen Weiber von Windsor (The Merry Wives of Windsor): Overture
type: MusicRecording
duration: PT8M51S
duration ms: 531000
explicit: false
by artist: Otto Nicolai
by artist: CSR Symphony Orchestra, Bratislava
by artist: Alfred Walter
in album: Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
  type: MusicAlbum
  date published: 2008-12-16
popularity: 2
isrc code: HKI199242006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T22:13:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7e35c88dc79978c055bd526755a944db0207c4bbffcaa09b9fceaba85aa55f11
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960473
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960473
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199242006
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T22:27:44Z
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 0x7e35c88dc79978c055bd526755a944db0207c4bbffcaa09b9fceaba85aa55f11. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199242006 — a six-check JSON result.
  date published: 2026-07-31T22:27:44Z
audio: Die lustigen Weiber von Windsor (The Merry Wives of Windsor): Die Lustigen Weiber von Windsor (The Merry Wives of Windsor): Overture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.146
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.33
  additional property: Energy
    type: PropertyValue
    value: 0.089
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.896
  additional property: Liveness
    type: PropertyValue
    value: 0.049
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.109
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.967
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Faust: Faust: Ballet music
type: MusicRecording
duration: PT2M27S
duration ms: 147000
explicit: false
by artist: Charles Gounod
by artist: CSR Symphony Orchestra, Bratislava
by artist: Ondrej Lenard
in album: Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
  type: MusicAlbum
  date published: 2008-12-16
popularity: 2
genre: opera
isrc code: HKI190525507
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:23:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ad6c27b538b18c2d63f0934eebcf1e5b469705c1110cdd304aabe05527e8c41
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/HKI190525507
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 0x1ad6c27b538b18c2d63f0934eebcf1e5b469705c1110cdd304aabe05527e8c41. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI190525507 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Faust: Faust: Ballet music
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.785
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.177
  additional property: Energy
    type: PropertyValue
    value: 0.042
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.866
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.513
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.471
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.852
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Prince Igor, Act II: Polovtsian Dances
type: MusicRecording
duration: PT11M8S
duration ms: 668666
explicit: false
by artist: Alexander Borodin
by artist: Royal Philharmonic Orchestra
by artist: Adrian Leaper
in album: Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
  type: MusicAlbum
  date published: 2008-12-16
popularity: 15
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: HKI199228516
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T00:32:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25607a077016881eb93eb136ea92d746ebcd4c7c9fe460e52bec222ca2bed8cd
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/HKI199228516
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 0x25607a077016881eb93eb136ea92d746ebcd4c7c9fe460e52bec222ca2bed8cd. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199228516 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Prince Igor, Act II: Polovtsian Dances
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.988
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.186
  additional property: Energy
    type: PropertyValue
    value: 0.135
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.929
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.77
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.063
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.387
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Guillaume Tell (William Tell): Overture
type: MusicRecording
duration: PT1M31S
duration ms: 91000
explicit: false
by artist: Gioachino Rossini
by artist: Zagreb Festival Orchestra
by artist: Michael Halasz
in album: Opera Without Words - The Most Famous Overtures, Preludes, and Interludes in Opera
  type: MusicAlbum
  date published: 2008-12-16
popularity: 16
genre: classical
genre: opera
isrc code: HKI199296408
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:01:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa6647cc1c461852723aa84159961c309dc5449bffc62e7d3ebd19513256acfa4
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/HKI199296408
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 0xa6647cc1c461852723aa84159961c309dc5449bffc62e7d3ebd19513256acfa4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199296408 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Guillaume Tell (William Tell): Overture
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.463
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.652
  additional property: Energy
    type: PropertyValue
    value: 0.298
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.776
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.01
  additional property: Liveness
    type: PropertyValue
    value: 0.085
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