ISRC DEF055634303
Verified recording
DEF055634303 is “12 Études, Op. 25: No. 3 in F Major” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xff85c9666ae5ac8a798238cd11d019c9f05a1f1746859cea6e04af268315f273 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/DEF055634303.
Recording identifiers
- ISRC
- DEF055634303
- Title
- 12 Études, Op. 25: No. 3 in F Major
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xff85c9666ae5ac8a798238cd11d019c9f05a1f1746859cea6e04af268315f273
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:6f012821dc05ae857b364bc852a0571d394a3b6abc278fb48710d50f8d349ac3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF055634303
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 12 Études, Op. 25: No. 3 in F Major · Machine-readable JSON-LD