ISRC FRZ111700467
Verified recording
FRZ111700467 is “Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18: I. Allegro moderato” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xefb66a07ff126396f691a6cb797eb92357a0ef5cca6e9fe40b1d5bf268b62ae2 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111700467.
Recording identifiers
- ISRC
- FRZ111700467
- Title
- Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18: I. Allegro moderato
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xefb66a07ff126396f691a6cb797eb92357a0ef5cca6e9fe40b1d5bf268b62ae2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:dfe3f942cd8cf300f68fd83c5081ba411981ddb41344697af2ff5ba12d8dcae8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111700467
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18: I. Allegro moderato · Machine-readable JSON-LD