ISRC GBBBC2200617
Verified recording
GBBBC2200617 is “Impromptu No. 4 in C sharp minor, Op. 66 "Fantaisie-Impromptu"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xf8a739815a097cb0624d819d0c660e5ad864912fa3722a5430ae3b08ac23a346 and independently timestamped
in Bitcoin block 960108 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2200617.
Recording identifiers
- ISRC
- GBBBC2200617
- Title
- Impromptu No. 4 in C sharp minor, Op. 66 "Fantaisie-Impromptu"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xf8a739815a097cb0624d819d0c660e5ad864912fa3722a5430ae3b08ac23a346
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:09:35+00:00
- Bitcoin block
- 960108
- Canonical record hash
sha256:c5931f54eaa45e34d5892c4db1eeb49785f136708f8c1d6797b9f0939a9940f0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBC2200617
- Bitcoin block existence check
- https://blockstream.info/api/block/960108
Full record
Track page: Impromptu No. 4 in C sharp minor, Op. 66 "Fantaisie-Impromptu" · Machine-readable JSON-LD