ISRC USSJ10817666
Verified recording
USSJ10817666 is “Grande Polonaise Brillante in E-Flat Major, Op. 22” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xed057fcd7dd5a91cba73496ca9c4d234409adf08e85ae26f00383d2086c0ce7f and independently timestamped
in Bitcoin block 960095 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10817666.
Recording identifiers
- ISRC
- USSJ10817666
- Title
- Grande Polonaise Brillante in E-Flat Major, Op. 22
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xed057fcd7dd5a91cba73496ca9c4d234409adf08e85ae26f00383d2086c0ce7f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:07:37+00:00
- Bitcoin block
- 960095
- Canonical record hash
sha256:9c2d796655f5f9d0f4a50ca2fcf1d2807845091ffcedd37b78967bf14d8f50ba- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10817666
- Bitcoin block existence check
- https://blockstream.info/api/block/960095
Full record
Track page: Grande Polonaise Brillante in E-Flat Major, Op. 22 · Machine-readable JSON-LD