ISRC USA560955011
Verified recording
USA560955011 is “Polonaise Fantasie #7 In A Flat, Op. 61” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xebabdf5fd4afecad3e77fa286b62ec5238cedd1a4b3ba8fbea62615128cb1556 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560955011.
Recording identifiers
- ISRC
- USA560955011
- Title
- Polonaise Fantasie #7 In A Flat, Op. 61
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xebabdf5fd4afecad3e77fa286b62ec5238cedd1a4b3ba8fbea62615128cb1556
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:56856845c23c5cb68aa1c5bb84590cc1df5ee9d537a4474da5647a176091368d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA560955011
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Polonaise Fantasie #7 In A Flat, Op. 61 · Machine-readable JSON-LD