ISRC DEF056530209
Verified recording
DEF056530209 is “12 Etudes, Op. 25: No. 9 In G-Flat Major "Butterfly Wings"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x35e9333204ce33384bbde77c87dce384bf336c2c595acdd00080af466acbf325 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056530209.
Recording identifiers
- ISRC
- DEF056530209
- Title
- 12 Etudes, Op. 25: No. 9 In G-Flat Major "Butterfly Wings"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x35e9333204ce33384bbde77c87dce384bf336c2c595acdd00080af466acbf325
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:e624e6ba78f7369e7608304cece463022f4d824334f43392ab84708946ead209- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056530209
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 12 Etudes, Op. 25: No. 9 In G-Flat Major "Butterfly Wings" · Machine-readable JSON-LD