ISRC USBC16800133
Verified recording
USBC16800133 is “Etude in A-flat, "Aeolian Harp," Op. 25 No. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x48af92bca7b2b18b9b632ae0ecd8755ade7fa69308593148c0981b04b718b34e and independently timestamped
in Bitcoin block 960302 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16800133.
Recording identifiers
- ISRC
- USBC16800133
- Title
- Etude in A-flat, "Aeolian Harp," Op. 25 No. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x48af92bca7b2b18b9b632ae0ecd8755ade7fa69308593148c0981b04b718b34e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T20:09:33+00:00
- Bitcoin block
- 960302
- Canonical record hash
sha256:e1980e35b01b4ef24c788a3457d4bda942c5f77d27f54abbb43dd7b39f0ea553- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC16800133
- Bitcoin block existence check
- https://blockstream.info/api/block/960302
Full record
Track page: Etude in A-flat, "Aeolian Harp," Op. 25 No. 1 · Machine-readable JSON-LD