ISRC FRZ209301250
Verified recording
FRZ209301250 is “Rachmaninov / Arr. Press for Violin and Piano: 14 Romances, Op. 34: No. 14, Vocalise” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x3ae38c25e062f23926a6df6681ee20cae262a46ee873ffb49889a1061cb6b023 and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209301250.
Recording identifiers
- ISRC
- FRZ209301250
- Title
- Rachmaninov / Arr. Press for Violin and Piano: 14 Romances, Op. 34: No. 14, Vocalise
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x3ae38c25e062f23926a6df6681ee20cae262a46ee873ffb49889a1061cb6b023
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:81d1b23fd45ca3a2055c445f66675731a3985e05c18755f5c975cb14053156a0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ209301250
- Bitcoin block existence check
- https://blockstream.info/api/block/953520
Full record
Track page: Rachmaninov / Arr. Press for Violin and Piano: 14 Romances, Op. 34: No. 14, Vocalise · Machine-readable JSON-LD