ISRC GBF077230709
Verified recording
GBF077230709 is “12 Etudes, Op. 25: No. 9 in G-Flat Major "Butterfly Wings"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x811e5d8ce818a6dbecf716c2aad41e36653c4b35686f6d55afa94b1a66d95db7 and independently timestamped
in Bitcoin block 960111 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077230709.
Recording identifiers
- ISRC
- GBF077230709
- Title
- 12 Etudes, Op. 25: No. 9 in G-Flat Major "Butterfly Wings"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x811e5d8ce818a6dbecf716c2aad41e36653c4b35686f6d55afa94b1a66d95db7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:21:01+00:00
- Bitcoin block
- 960111
- Canonical record hash
sha256:de22314dfd971757df0dccd20a4079efc26f6399615d047527b3609c119b0e3b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077230709
- Bitcoin block existence check
- https://blockstream.info/api/block/960111
Full record
Track page: 12 Etudes, Op. 25: No. 9 in G-Flat Major "Butterfly Wings" · Machine-readable JSON-LD