ISRC FRZ131213050
Verified recording
FRZ131213050 is “Piano Sonata No. 2 in B-Flat Minor, Op. 36: II. Non allegro. Lento” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x5c3456f10aa340baddf089f9adf1c639228a920fe78ee7763d28496740c517d2 and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131213050.
Recording identifiers
- ISRC
- FRZ131213050
- Title
- Piano Sonata No. 2 in B-Flat Minor, Op. 36: II. Non allegro. Lento
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x5c3456f10aa340baddf089f9adf1c639228a920fe78ee7763d28496740c517d2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:8d05ded7ab7d39561eb9e161aab298ccce489044da15ef6fe6a8fce92f66148d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131213050
- Bitcoin block existence check
- https://blockstream.info/api/block/953515
Full record
Track page: Piano Sonata No. 2 in B-Flat Minor, Op. 36: II. Non allegro. Lento · Machine-readable JSON-LD