ISRC GBF071440309
Verified recording
GBF071440309 is “12 Etudes, Op. 25: No. 9 In G Flat Major - "Butterfly Wings"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x44f9ab870adff756abbfa699fb23916adfd815d9139045eabab34561cd5106d4 and independently timestamped
in Bitcoin block 957048 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071440309.
Recording identifiers
- ISRC
- GBF071440309
- Title
- 12 Etudes, Op. 25: No. 9 In G Flat Major - "Butterfly Wings"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x44f9ab870adff756abbfa699fb23916adfd815d9139045eabab34561cd5106d4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T14:18:56+00:00
- Bitcoin block
- 957048
- Canonical record hash
sha256:c279c8129268093e62e57ecad213b04a78097518dceb366ea8a44b1bce443b56- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071440309
- Bitcoin block existence check
- https://blockstream.info/api/block/957048
Full record
Track page: 12 Etudes, Op. 25: No. 9 In G Flat Major - "Butterfly Wings" · Machine-readable JSON-LD