ISRC DEF050702160
Verified recording
DEF050702160 is “12 Etudes, Op. 10: No. 12 In C Minor” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xd0911dd5f80c6eedcb67166d3afba622dfc587360426b7302d3d9887b94490e6 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF050702160.
Recording identifiers
- ISRC
- DEF050702160
- Title
- 12 Etudes, Op. 10: No. 12 In C Minor
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xd0911dd5f80c6eedcb67166d3afba622dfc587360426b7302d3d9887b94490e6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:373a9ae7ea2007b7d3d8da9271dcf005e4b4b66a9b79a7a7dc983ad3f31c81dd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF050702160
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: 12 Etudes, Op. 10: No. 12 In C Minor · Machine-readable JSON-LD