ISRC DEF055634212
Verified recording
DEF055634212 is “12 Études, Op. 10: No. 12 in C Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xfaf472c4ace2fc35956aeb7589e2013fdb57210a10a4154462c3e1071ec9c513 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/DEF055634212.
Recording identifiers
- ISRC
- DEF055634212
- Title
- 12 Études, Op. 10: No. 12 in C Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xfaf472c4ace2fc35956aeb7589e2013fdb57210a10a4154462c3e1071ec9c513
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:aa3204637352768654925341c3b11cb7bfabf16aa756b3fac48d4bd821023c9d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055634212
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 12 Études, Op. 10: No. 12 in C Minor · Machine-readable JSON-LD