ISRC DEF056233921
Verified recording
DEF056233921 is “24 Preludes, Op. 28: No. 1 in C Major: Agitato” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xcfd63fa0de6374c471370644441d2096cbb2afc6d529eaa19f4760ca7d7b1c62 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056233921.
Recording identifiers
- ISRC
- DEF056233921
- Title
- 24 Preludes, Op. 28: No. 1 in C Major: Agitato
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xcfd63fa0de6374c471370644441d2096cbb2afc6d529eaa19f4760ca7d7b1c62
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:6d3c1a72dac2da6ae5287427344fa1ee231ed5f2c11672c368e8deac0950c93f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056233921
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: 24 Preludes, Op. 28: No. 1 in C Major: Agitato · Machine-readable JSON-LD