ISRC USSM10400801
Verified recording
USSM10400801 is “Introduction et Polonaise brillante in C Major, Op. 3” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x1a8b081fceb50357a6ce51af5b29c1ade64109f3db7186f9df37067e2848c29f and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10400801.
Recording identifiers
- ISRC
- USSM10400801
- Title
- Introduction et Polonaise brillante in C Major, Op. 3
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x1a8b081fceb50357a6ce51af5b29c1ade64109f3db7186f9df37067e2848c29f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:f31dc3397b84cb40ab0c24a2c639242ab4715d1083cda077dbd79cd8530c76dc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM10400801
- Bitcoin block existence check
- https://blockstream.info/api/block/953515
Full record
Track page: Introduction et Polonaise brillante in C Major, Op. 3 · Machine-readable JSON-LD