ISRC DEF058202513
Verified recording
DEF058202513 is “Piano Sonata No. 6 in A Major, Op. 82: III. Tempo di valzer lentissimo” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0x01a7c7c384f99f5c8c96cd53e6d15d24b8e67ae1470474b117574a8d2280d8a5 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058202513.
Recording identifiers
- ISRC
- DEF058202513
- Title
- Piano Sonata No. 6 in A Major, Op. 82: III. Tempo di valzer lentissimo
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0x01a7c7c384f99f5c8c96cd53e6d15d24b8e67ae1470474b117574a8d2280d8a5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:dfa4ec20cfa33a22131a1320ae6c86aa713e146112fa9c6e38fb93a5bf4423a0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058202513
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Sonata No. 6 in A Major, Op. 82: III. Tempo di valzer lentissimo · Machine-readable JSON-LD