ISRC DEF057503204
Verified recording
DEF057503204 is “Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso – Allegro con spirito - Excerpt” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xfcd21d935b8c3bf1e72146b0b840df9650ae28f4117dada1ca16f4c062f035d1 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057503204.
Recording identifiers
- ISRC
- DEF057503204
- Title
- Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso – Allegro con spirito - Excerpt
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xfcd21d935b8c3bf1e72146b0b840df9650ae28f4117dada1ca16f4c062f035d1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:926d9b8e65cdadf7b347b3e48bffce142a2d5586e07724265c3919c24a78749a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057503204
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso – Allegro con spirito - Excerpt · Machine-readable JSON-LD