ISRC USNO16523308
Verified recording
USNO16523308 is “D flat major, Op. 27 n? 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x15c0c0d0dd96b1d4a032a159be5ef1fd5129a985ce14f29cca63948597e81cea and independently timestamped
in Bitcoin block 956312 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO16523308.
Recording identifiers
- ISRC
- USNO16523308
- Title
- D flat major, Op. 27 n? 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x15c0c0d0dd96b1d4a032a159be5ef1fd5129a985ce14f29cca63948597e81cea
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T05:09:12+00:00
- Bitcoin block
- 956312
- Canonical record hash
sha256:114b41a6d684c28523f181a9e1e582657867fb41ff40c979629534865f993172- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO16523308
- Bitcoin block existence check
- https://blockstream.info/api/block/956312
Full record
Track page: D flat major, Op. 27 n? 2 · Machine-readable JSON-LD