ISRC USSJ10914184
Verified recording
USSJ10914184 is “Waltz No. 2 in A Minor, Op. 34” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xe81f4e1ae0a9eee820c945900c32c1e83873bdd72b3ab43590b221f3087a98e4 and independently timestamped
in Bitcoin block 960117 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10914184.
Recording identifiers
- ISRC
- USSJ10914184
- Title
- Waltz No. 2 in A Minor, Op. 34
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xe81f4e1ae0a9eee820c945900c32c1e83873bdd72b3ab43590b221f3087a98e4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T14:28:24+00:00
- Bitcoin block
- 960117
- Canonical record hash
sha256:c914778fe9d07ed99f86382550d724b74605a9b929b86639ab050ca2e7b90c40- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10914184
- Bitcoin block existence check
- https://blockstream.info/api/block/960117
Full record
Track page: Waltz No. 2 in A Minor, Op. 34 · Machine-readable JSON-LD