ISRC DEF059232004
Verified recording
DEF059232004 is “24 Préludes, Op. 28: No. 4 in E Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe15e55e225f434b887088dad29bfb08482fcbd44648e527c38491f9ef579058e and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059232004.
Recording identifiers
- ISRC
- DEF059232004
- Title
- 24 Préludes, Op. 28: No. 4 in E Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe15e55e225f434b887088dad29bfb08482fcbd44648e527c38491f9ef579058e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:822169f17fec6cdfadfd081e6c1bdcc4d19de40b0a77ad4fd21159c1694f98b0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059232004
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: 24 Préludes, Op. 28: No. 4 in E Minor · Machine-readable JSON-LD