ISRC DEF056507133
Verified recording
DEF056507133 is “12 Etudes, Op. 10: No. 12 in C Minor "Revolutionary" - Pt. 3” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x7059b88428d6112d845dc369df5300dd41b2c0a0a2ce9e41be9ee268998487b1 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507133.
Recording identifiers
- ISRC
- DEF056507133
- Title
- 12 Etudes, Op. 10: No. 12 in C Minor "Revolutionary" - Pt. 3
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x7059b88428d6112d845dc369df5300dd41b2c0a0a2ce9e41be9ee268998487b1
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:df5fdea7c2fb626dbd652d937f6fec29ce4146a8981a67e7cb52681ec92d9a03- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507133
- Bitcoin block existence check
- https://blockstream.info/api/block/960427
Full record
Track page: 12 Etudes, Op. 10: No. 12 in C Minor "Revolutionary" - Pt. 3 · Machine-readable JSON-LD