ISRC USSM11709066
Verified recording
USSM11709066 is “24 Preludes, Op. 28: No. 4 in E Minor. Largo” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe411b76af6dd7f66a64c0df07a3d7e1f7ff2e72a3c88eca364bb60099166db2f and independently timestamped
in Bitcoin block 960105 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11709066.
Recording identifiers
- ISRC
- USSM11709066
- Title
- 24 Preludes, Op. 28: No. 4 in E Minor. Largo
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe411b76af6dd7f66a64c0df07a3d7e1f7ff2e72a3c88eca364bb60099166db2f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:35:17+00:00
- Bitcoin block
- 960105
- Canonical record hash
sha256:b763167ce9d59fc73f51cea9f86ed659cf204ee0636a9738db200d1d8bcb1afb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11709066
- Bitcoin block existence check
- https://blockstream.info/api/block/960105
Full record
Track page: 24 Preludes, Op. 28: No. 4 in E Minor. Largo · Machine-readable JSON-LD