ISRC DEFG21723720
Verified recording
DEFG21723720 is “24 Préludes, Op. 28: No. 20 in C Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x30323fb9ecc8578c54a6228d69be64c8b3808a0d20eae3ea4380ec75876a8b7c and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21723720.
Recording identifiers
- ISRC
- DEFG21723720
- Title
- 24 Préludes, Op. 28: No. 20 in C Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x30323fb9ecc8578c54a6228d69be64c8b3808a0d20eae3ea4380ec75876a8b7c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:2351db4bb1462259d5f5102efce57da399a5bd42d6dc819ecb3d705af461e4f6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEFG21723720
- Bitcoin block existence check
- https://blockstream.info/api/block/960500
Full record
Track page: 24 Préludes, Op. 28: No. 20 in C Minor · Machine-readable JSON-LD