ISRC DEF058202512
Verified recording
DEF058202512 is “Piano Sonata No. 6 in A Major, Op. 82: II. Allegretto” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0x9d3e90c774871bda068b88e9c0ce3f94fa4a86488878a9e135d74cbfdeb2c826 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/DEF058202512.
Recording identifiers
- ISRC
- DEF058202512
- Title
- Piano Sonata No. 6 in A Major, Op. 82: II. Allegretto
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0x9d3e90c774871bda068b88e9c0ce3f94fa4a86488878a9e135d74cbfdeb2c826
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:a65d423019489eb1559bc119da38cbcd8af6af62fa079e7060cc0077ed00b00d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058202512
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Piano Sonata No. 6 in A Major, Op. 82: II. Allegretto · Machine-readable JSON-LD