ISRC USSM10400985
Verified recording
USSM10400985 is “Étude No. 1 in C Major from 12 Études, Op. 10” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x9dc0e1f60a8dc54821e0f47cdd7c3be97b9ab60a6dca4d16f6ece8521119cbf7 and independently timestamped
in Bitcoin block 960340 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10400985.
Recording identifiers
- ISRC
- USSM10400985
- Title
- Étude No. 1 in C Major from 12 Études, Op. 10
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x9dc0e1f60a8dc54821e0f47cdd7c3be97b9ab60a6dca4d16f6ece8521119cbf7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T03:15:04+00:00
- Bitcoin block
- 960340
- Canonical record hash
sha256:7132d3b46dc94a1150ad72d92be71f84b9ae3ecd53f4e32dadda45e934c192f7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10400985
- Bitcoin block existence check
- https://blockstream.info/api/block/960340
Full record
Track page: Étude No. 1 in C Major from 12 Études, Op. 10 · Machine-readable JSON-LD