ISRC DEF055634312
Verified recording
DEF055634312 is “12 Études, Op. 25: No. 12 in C Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xbadd3dddd15f7bf9241fc0769cf095ed844a690cb1b6dd9f28fda2ac20420abc and independently timestamped
in Bitcoin block 957145 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055634312.
Recording identifiers
- ISRC
- DEF055634312
- Title
- 12 Études, Op. 25: No. 12 in C Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xbadd3dddd15f7bf9241fc0769cf095ed844a690cb1b6dd9f28fda2ac20420abc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T08:56:20+00:00
- Bitcoin block
- 957145
- Canonical record hash
sha256:3e65059ee69b8e4f336ffd6ccc226c88d4afdd79c4b6d218aa0975e5ad3026a3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055634312
- Bitcoin block existence check
- https://blockstream.info/api/block/957145
Full record
Track page: 12 Études, Op. 25: No. 12 in C Minor · Machine-readable JSON-LD