ISRC DEF056507151
Verified recording
DEF056507151 is “12 Etudes, Op. 25: No. 11 in A Minor "Winter Wind" - Pt. 1” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x58c86d23e656c7cfd60f978c1d19c23d0dc0398747aa34bad04e84e04da16042 and independently timestamped
in Bitcoin block 960360 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507151.
Recording identifiers
- ISRC
- DEF056507151
- Title
- 12 Etudes, Op. 25: No. 11 in A Minor "Winter Wind" - Pt. 1
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x58c86d23e656c7cfd60f978c1d19c23d0dc0398747aa34bad04e84e04da16042
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T06:42:11+00:00
- Bitcoin block
- 960360
- Canonical record hash
sha256:db831100d8d2b26c1e9e35e4224c477fbffda2c35f947f2470abcd0fd3fef9f1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056507151
- Bitcoin block existence check
- https://blockstream.info/api/block/960360
Full record
Track page: 12 Etudes, Op. 25: No. 11 in A Minor "Winter Wind" - Pt. 1 · Machine-readable JSON-LD