ISRC USBC10602484
Verified recording
USBC10602484 is “Impromptu in A-Flat Major, Op. 29, No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x85be22da8cbd75492894c3e8fda9ff290f2379486d65a24ebf4d2ad8a4c69b15 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10602484.
Recording identifiers
- ISRC
- USBC10602484
- Title
- Impromptu in A-Flat Major, Op. 29, No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x85be22da8cbd75492894c3e8fda9ff290f2379486d65a24ebf4d2ad8a4c69b15
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:45b98fb7ff72d2c18575840a0140fa606487d2c4007d8c4d66fe4bb26faf9c30- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC10602484
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Impromptu in A-Flat Major, Op. 29, No. 1 · Machine-readable JSON-LD