ISRC DEF057530582
Verified recording
DEF057530582 is “24 Préludes, Op. 28: No. 24 in D Minor: Allegro appassionato - Pt. 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb37ffda25315ec307d00bd5dabc32e2b6a72ca37a619de92acdeb2f2d349fe26 and independently timestamped
in Bitcoin block 960203 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530582.
Recording identifiers
- ISRC
- DEF057530582
- Title
- 24 Préludes, Op. 28: No. 24 in D Minor: Allegro appassionato - Pt. 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb37ffda25315ec307d00bd5dabc32e2b6a72ca37a619de92acdeb2f2d349fe26
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T03:35:13+00:00
- Bitcoin block
- 960203
- Canonical record hash
sha256:d4e8872196e731910d92855ef05a21602bc5e643eabd6cbc30d3477c37f8aa79- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530582
- Bitcoin block existence check
- https://blockstream.info/api/block/960203
Full record
Track page: 24 Préludes, Op. 28: No. 24 in D Minor: Allegro appassionato - Pt. 2 · Machine-readable JSON-LD