ISRC DEF057230006
Verified recording
DEF057230006 is “12 Études, Op. 10: No. 7 in C Major "Toccata"” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x7d76756e65729385299258ef9ab8b33a323c25f4b57613ccb99c1520b4b22ec5 and independently timestamped
in Bitcoin block 959105 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230006.
Recording identifiers
- ISRC
- DEF057230006
- Title
- 12 Études, Op. 10: No. 7 in C Major "Toccata"
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x7d76756e65729385299258ef9ab8b33a323c25f4b57613ccb99c1520b4b22ec5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T06:33:30+00:00
- Bitcoin block
- 959105
- Canonical record hash
sha256:7c79023f26d783876f3be803a7ae308fc02d5f8c34beb514dac2ebd5a0dc1885- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057230006
- Bitcoin block existence check
- https://blockstream.info/api/block/959105
Full record
Track page: 12 Études, Op. 10: No. 7 in C Major "Toccata" · Machine-readable JSON-LD