ISRC FRZ131213020
Verified recording
FRZ131213020 is “Piano Sonata No. 1 in D Minor, Op. 28: II. Lento” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x6ef6ae227a4918e637aedd9e2388895f474a0178cbae757f1f81396edaffefa7 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/FRZ131213020.
Recording identifiers
- ISRC
- FRZ131213020
- Title
- Piano Sonata No. 1 in D Minor, Op. 28: II. Lento
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x6ef6ae227a4918e637aedd9e2388895f474a0178cbae757f1f81396edaffefa7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:2819a06e11ad3b20a981943513c8eb7c77a8e59cf9107bc95eafd1ee5737a3ac- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131213020
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Piano Sonata No. 1 in D Minor, Op. 28: II. Lento · Machine-readable JSON-LD