ISRC USX762290115
Verified recording
USX762290115 is “Trois Nouvelles Etudes, B. 130: No. 3 in A-Flat Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xceedce1ec7e77b01d9e69ce17aab998a23a52bf0cfd7766b099a096c0dbf93a9 and independently timestamped
in Bitcoin block 960216 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX762290115.
Recording identifiers
- ISRC
- USX762290115
- Title
- Trois Nouvelles Etudes, B. 130: No. 3 in A-Flat Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xceedce1ec7e77b01d9e69ce17aab998a23a52bf0cfd7766b099a096c0dbf93a9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:39:12+00:00
- Bitcoin block
- 960216
- Canonical record hash
sha256:3f93642c660dbe79491b93bcb731f9b62774841ebde53f7564ee47ba4ca8a099- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX762290115
- Bitcoin block existence check
- https://blockstream.info/api/block/960216
Full record
Track page: Trois Nouvelles Etudes, B. 130: No. 3 in A-Flat Major · Machine-readable JSON-LD