ISRC GBAYC8500018
Verified recording
GBAYC8500018 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35 'Funeral March': III. Marche funèbre (Lento)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x90616d96d996ecd3ae522f4343fdf1af955beb57531b8edb47ee41586ed579e9 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8500018.
Recording identifiers
- ISRC
- GBAYC8500018
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35 'Funeral March': III. Marche funèbre (Lento)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x90616d96d996ecd3ae522f4343fdf1af955beb57531b8edb47ee41586ed579e9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:c5c38f63cd17327f32e3b69b7a325b2501a73bab7e6716c07d6c6a4683543fd2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8500018
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35 'Funeral March': III. Marche funèbre (Lento) · Machine-readable JSON-LD