ISRC USNO16523309
Verified recording
USNO16523309 is “B major, Op. 32, n? 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xff0b72da0d37c1b0ac05a2416362a4bb24e11ece512f20f0680ef73c0c4d17fd 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/USNO16523309.
Recording identifiers
- ISRC
- USNO16523309
- Title
- B major, Op. 32, n? 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xff0b72da0d37c1b0ac05a2416362a4bb24e11ece512f20f0680ef73c0c4d17fd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:ac22abeab74891095181b0022fcc8d7923716496f1bff15675c40dfb7d29bf0f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO16523309
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: B major, Op. 32, n? 1 · Machine-readable JSON-LD