ISRC GBAYC0703557
Verified recording
GBAYC0703557 is “Nocturnes, Op. 9: No. 3 in B Major (Allegretto)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x02db5fcc124421f3b6a4b39fea2d37cd3b8f12a7357681c75812c0fcfe2c256e and independently timestamped
in Bitcoin block 960404 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0703557.
Recording identifiers
- ISRC
- GBAYC0703557
- Title
- Nocturnes, Op. 9: No. 3 in B Major (Allegretto)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x02db5fcc124421f3b6a4b39fea2d37cd3b8f12a7357681c75812c0fcfe2c256e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:06:57+00:00
- Bitcoin block
- 960404
- Canonical record hash
sha256:4ac4e66bdf081d626f64050249440c11c623aebebbe509d0fc616e00a1fe0379- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0703557
- Bitcoin block existence check
- https://blockstream.info/api/block/960404
Full record
Track page: Nocturnes, Op. 9: No. 3 in B Major (Allegretto) · Machine-readable JSON-LD