ISRC USSJ10802976
Verified recording
USSJ10802976 is “Concerto for Piano & Orchestra No. 1 in E Minor, Op. 11: II. Romanza: Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xa79da9e426488426ec645ee8068fbddaa2b600e069344bc2de3a76c3667c28b3 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/USSJ10802976.
Recording identifiers
- ISRC
- USSJ10802976
- Title
- Concerto for Piano & Orchestra No. 1 in E Minor, Op. 11: II. Romanza: Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xa79da9e426488426ec645ee8068fbddaa2b600e069344bc2de3a76c3667c28b3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:546a3ebb5f42143badb4f6f952e5711355d940e028d2cdccbadc4ad48ae31ea0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ10802976
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Concerto for Piano & Orchestra No. 1 in E Minor, Op. 11: II. Romanza: Larghetto · Machine-readable JSON-LD