ISRC DEFG21723718
Verified recording
DEFG21723718 is “24 Préludes, Op. 28: No. 18 in F Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe136d9a5ec8d8261bef790372f2abce6c3997e15ee79dc1c1d05dd56ef239e35 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21723718.
Recording identifiers
- ISRC
- DEFG21723718
- Title
- 24 Préludes, Op. 28: No. 18 in F Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe136d9a5ec8d8261bef790372f2abce6c3997e15ee79dc1c1d05dd56ef239e35
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:f140e9d5656967caf54a8494161e67e2482325edb83853ef0f9458d3dfc1c58a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21723718
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: 24 Préludes, Op. 28: No. 18 in F Minor · Machine-readable JSON-LD