ISRC USSJ10301488
Verified recording
USSJ10301488 is “Chopin: Etude No. 3 in E Major, Op. 10” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xecd0119a244ce7deaabf1a760c0ebdab686d10e85bce2eaba1e04dd85a56f85e and independently timestamped
in Bitcoin block 960241 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10301488.
Recording identifiers
- ISRC
- USSJ10301488
- Title
- Chopin: Etude No. 3 in E Major, Op. 10
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xecd0119a244ce7deaabf1a760c0ebdab686d10e85bce2eaba1e04dd85a56f85e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:58:01+00:00
- Bitcoin block
- 960241
- Canonical record hash
sha256:87946b0d997367c7798d15d0043a6cba49fd3de934afb797a8ed4ae30d3e9c03- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10301488
- Bitcoin block existence check
- https://blockstream.info/api/block/960241
Full record
Track page: Chopin: Etude No. 3 in E Major, Op. 10 · Machine-readable JSON-LD