ISRC DEF059232007
Verified recording
DEF059232007 is “24 Préludes, Op. 28: No. 7 in A Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x3e0404864c84340a038c932b63a7f99b6810af7ac2992ef2982949394fc155d3 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059232007.
Recording identifiers
- ISRC
- DEF059232007
- Title
- 24 Préludes, Op. 28: No. 7 in A Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x3e0404864c84340a038c932b63a7f99b6810af7ac2992ef2982949394fc155d3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:a83e49658404c8f1c5ff02bfb05be80708268c7ec3f941518e3ebdad3c4cbc4c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059232007
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: 24 Préludes, Op. 28: No. 7 in A Major · Machine-readable JSON-LD