ISRC FRZ110900859
Verified recording
FRZ110900859 is “Rachmaninov: Variations on a Theme of Corelli, Op. 42: Variation XII. L'istesso tempo” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0xf2d5fb73999771326c84a116539005004a81a054dcc0e5039d8261539eac1ae3 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110900859.
Recording identifiers
- ISRC
- FRZ110900859
- Title
- Rachmaninov: Variations on a Theme of Corelli, Op. 42: Variation XII. L'istesso tempo
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0xf2d5fb73999771326c84a116539005004a81a054dcc0e5039d8261539eac1ae3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:be7666c66436e68c1d23dc330ec5d112cd83efc414e8abb1bb1a77cca95e6b1f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110900859
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Rachmaninov: Variations on a Theme of Corelli, Op. 42: Variation XII. L'istesso tempo · Machine-readable JSON-LD