ISRC FRZ119203010
Verified recording
FRZ119203010 is “Chopin: Variations on Mozart's "Là ci darem la mano", Op. 2: Variation III. Sempre sostenuto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xfe8596f6e0732a5e86ca0bbddf8be463c8fa7baa1e476e5cd28bfdfc2305f59a and independently timestamped
in Bitcoin block 960236 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119203010.
Recording identifiers
- ISRC
- FRZ119203010
- Title
- Chopin: Variations on Mozart's "Là ci darem la mano", Op. 2: Variation III. Sempre sostenuto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xfe8596f6e0732a5e86ca0bbddf8be463c8fa7baa1e476e5cd28bfdfc2305f59a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:37:10+00:00
- Bitcoin block
- 960236
- Canonical record hash
sha256:043e995bc60ff24e1bd5c7c9788f48b1c1305cd4fb0e231b48640784e39905ae- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ119203010
- Bitcoin block existence check
- https://blockstream.info/api/block/960236
Full record
Track page: Chopin: Variations on Mozart's "Là ci darem la mano", Op. 2: Variation III. Sempre sostenuto · Machine-readable JSON-LD