ISRC USNO16523305
Verified recording
USNO16523305 is “F sharp major, op. 15 n? 2” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x3e869e3719faddea52d2f7c440421ca8ecd2b73e698f6cd4ff359ac329bc4ec4 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/USNO16523305.
Recording identifiers
- ISRC
- USNO16523305
- Title
- F sharp major, op. 15 n? 2
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x3e869e3719faddea52d2f7c440421ca8ecd2b73e698f6cd4ff359ac329bc4ec4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T05:09:12+00:00
- Bitcoin block
- 956312
- Canonical record hash
sha256:44e9bb235a77142c43b5402970daacc63f87366fa1a0b5f495381a54a828411b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO16523305
- Bitcoin block existence check
- https://blockstream.info/api/block/956312
Full record
Track page: F sharp major, op. 15 n? 2 · Machine-readable JSON-LD