ISRC USNO16523302
Verified recording
USNO16523302 is “E flat major, Op 9, n? 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xdbe69b7e242b940cec2a2a27d399cd4cb66f6a0f60c89b5d7512be08e53e6462 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO16523302.
Recording identifiers
- ISRC
- USNO16523302
- Title
- E flat major, Op 9, n? 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xdbe69b7e242b940cec2a2a27d399cd4cb66f6a0f60c89b5d7512be08e53e6462
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:2599e2e779cb9cdfe1c6c18f02dec0b498a2be1462192bffa34a3e904a6348c8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO16523302
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: E flat major, Op 9, n? 2 · Machine-readable JSON-LD