ISRC DEN961330107
Verified recording
DEN961330107 is “12 Études, Op. 10: No. 7 in C Major "Toccata"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x4343c640476c93b1001b996b8c933e0112f9b991e4876a9267925a3e9d0c49d5 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961330107.
Recording identifiers
- ISRC
- DEN961330107
- Title
- 12 Études, Op. 10: No. 7 in C Major "Toccata"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x4343c640476c93b1001b996b8c933e0112f9b991e4876a9267925a3e9d0c49d5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:de510e623cffff3e583447eb77c751c649ae19f23260b18b8fdc954daa562dc3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961330107
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: 12 Études, Op. 10: No. 7 in C Major "Toccata" · Machine-readable JSON-LD