ISRC USNO16523303

Verified recording

USNO16523303 is “B major, op. 9, n?3” by Frédéric Chopin, registered on the CopyrightChains blockchain with CopyrightID 0x3fa096ef058bb0c2250d7bcdcbadc9d9a9e277d104a2274c10fce26c5561b864 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/USNO16523303.

Recording identifiers

ISRC
USNO16523303
Title
B major, op. 9, n?3
Artist
Frédéric Chopin
CopyrightID (CopyrightChains transaction hash)
0x3fa096ef058bb0c2250d7bcdcbadc9d9a9e277d104a2274c10fce26c5561b864

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08+00:00
Bitcoin block
956304
Canonical record hash
sha256:bf4be7c6ab29806506a8ff84051092638dcd09d0d573d2ded93e41e22c03af28
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO16523303
Bitcoin block existence check
https://blockstream.info/api/block/956304

Full record

Track page: B major, op. 9, n?3 · Machine-readable JSON-LD