ISRC GBF075842003
Verified recording
GBF075842003 is “Piano Sonata No. 2 in B-Flat Minor, Op. 35: III. Marche funèbre. Lento” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xa20ed2017af6a00201832a7f15331e5549ef62d7527f9abe66017299b852fbe6 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075842003.
Recording identifiers
- ISRC
- GBF075842003
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 35: III. Marche funèbre. Lento
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xa20ed2017af6a00201832a7f15331e5549ef62d7527f9abe66017299b852fbe6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8764eb69949baf94f005af60ede7fc74b9683deb3aed25989ea8828b1c50d218- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF075842003
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 35: III. Marche funèbre. Lento · Machine-readable JSON-LD