ISRC FRZ131325020
Verified recording
FRZ131325020 is “Piano Concerto No. 2 in F Minor, Op. 21: II. Larghetto” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x573a5b20c008f1e3763f4dc25ae1f22a62f5d5b3cb795157ed11d2067b0f5c27 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131325020.
Recording identifiers
- ISRC
- FRZ131325020
- Title
- Piano Concerto No. 2 in F Minor, Op. 21: II. Larghetto
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x573a5b20c008f1e3763f4dc25ae1f22a62f5d5b3cb795157ed11d2067b0f5c27
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:b23246b7a5503cb5df69e98ad9fa893e8f16dc4dacf4bc866ab50ee8da65c99f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131325020
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Piano Concerto No. 2 in F Minor, Op. 21: II. Larghetto · Machine-readable JSON-LD