ISRC DEF057430611
Verified recording
DEF057430611 is “24 Preludes, Op. 28: No. 11 in B Major. Vivace - Recorded 1974” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x31f2830da63f438ed53ce2d2b79b8eae82eac9f21c32ef489406e6bdda90191e 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/DEF057430611.
Recording identifiers
- ISRC
- DEF057430611
- Title
- 24 Preludes, Op. 28: No. 11 in B Major. Vivace - Recorded 1974
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x31f2830da63f438ed53ce2d2b79b8eae82eac9f21c32ef489406e6bdda90191e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:a8fb05860ec14c6875a8d1ab096f98c363575877467b70f7c5b8fb9ac0a8e3df- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057430611
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 24 Preludes, Op. 28: No. 11 in B Major. Vivace - Recorded 1974 · Machine-readable JSON-LD