ISRC DEF057530518
Verified recording
DEF057530518 is “24 Préludes, Op. 28: No. 18 in F Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0afe3c0c8247011d6dc3a58a8a92bdc7108bd438315ec4b3e4bbcdffc34c77c9 and independently timestamped
in Bitcoin block 959152 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530518.
Recording identifiers
- ISRC
- DEF057530518
- Title
- 24 Préludes, Op. 28: No. 18 in F Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0afe3c0c8247011d6dc3a58a8a92bdc7108bd438315ec4b3e4bbcdffc34c77c9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T16:23:52+00:00
- Bitcoin block
- 959152
- Canonical record hash
sha256:85074204389b522d479344a439acf1bfd64527039f357f9cd33c85e1d0bf1e4b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057530518
- Bitcoin block existence check
- https://blockstream.info/api/block/959152
Full record
Track page: 24 Préludes, Op. 28: No. 18 in F Minor · Machine-readable JSON-LD