ISRC USSJ10813879
Verified recording
USSJ10813879 is “Piano Concerto No. 2 In F Minor Op 21: II. Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xc2292ac62e98fa26775667505235bb6f7f8d3fb09a11d8968a9854f62363ab7a and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813879.
Recording identifiers
- ISRC
- USSJ10813879
- Title
- Piano Concerto No. 2 In F Minor Op 21: II. Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xc2292ac62e98fa26775667505235bb6f7f8d3fb09a11d8968a9854f62363ab7a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:031e0476cc6eaf59b4ed993dd8b5ea0549e8ce7705fe74d3ca86ed79b1705ffb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10813879
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Concerto No. 2 In F Minor Op 21: II. Larghetto · Machine-readable JSON-LD