ISRC DEFG21723717
Verified recording
DEFG21723717 is “24 Préludes, Op. 28: No. 17 in A-Flat Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x0e41a3b8b754427430631f74a1a169b0310da3c9ce4dab94e6a31c5ce5defc20 and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21723717.
Recording identifiers
- ISRC
- DEFG21723717
- Title
- 24 Préludes, Op. 28: No. 17 in A-Flat Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x0e41a3b8b754427430631f74a1a169b0310da3c9ce4dab94e6a31c5ce5defc20
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:7927fca91e3dc3d2b12ef2258c730f34d907824644d853d22dd29b32724a4513- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21723717
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: 24 Préludes, Op. 28: No. 17 in A-Flat Major · Machine-readable JSON-LD