ISRC USX761818111
Verified recording
USX761818111 is “Etudes, Op. 25” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xb903984919cd51b21cba1ec2216b268dd1255ce5f21e5ec00387df643d96adb7 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761818111.
Recording identifiers
- ISRC
- USX761818111
- Title
- Etudes, Op. 25
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xb903984919cd51b21cba1ec2216b268dd1255ce5f21e5ec00387df643d96adb7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:f173f99a3c83f09feecf61c911c8f5238187d9fe7a453d46fb4d30a86a278b19- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761818111
- Bitcoin block existence check
- https://blockstream.info/api/block/960264