ISRC FRZ111700468
Verified recording
FRZ111700468 is “Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xf3caa7946bf1328e9a5aaa9cb8ebe84fd6e4482e240242059b00a77cb344ebb9 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/FRZ111700468.
Recording identifiers
- ISRC
- FRZ111700468
- Title
- Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xf3caa7946bf1328e9a5aaa9cb8ebe84fd6e4482e240242059b00a77cb344ebb9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:56996725a50eb5b58b815fd61e47a5f51efab01106b59e2eddc1988ab16d60ed- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111700468
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto · Machine-readable JSON-LD