ISRC FRZ208501103
Verified recording
FRZ208501103 is “Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x0104c7d473e34eb665a18e381680e799bce26e677cb64726f6b34617954af3b3 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/FRZ208501103.
Recording identifiers
- ISRC
- FRZ208501103
- Title
- Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x0104c7d473e34eb665a18e381680e799bce26e677cb64726f6b34617954af3b3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f843199c005d9dc5bb28eea2eabebd2170bce95863f0a882a8e65b7bf294643e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ208501103
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto · Machine-readable JSON-LD