ISRC USSM12100321
Verified recording
USSM12100321 is “Zdes' khorosho ('How Fair This Spot'), Op. 21, No. 7” by Sergei Rachmaninoff,
registered on the CopyrightChains blockchain with CopyrightID
0x2326034cb503b3e1268b37d535ca43122b976016403d625c1782037c5573fe66 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12100321.
Recording identifiers
- ISRC
- USSM12100321
- Title
- Zdes' khorosho ('How Fair This Spot'), Op. 21, No. 7
- Artist
- Sergei Rachmaninoff
- CopyrightID (CopyrightChains transaction hash)
0x2326034cb503b3e1268b37d535ca43122b976016403d625c1782037c5573fe66
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:f7d9c4dd4db1bd3b90ffbde453f796c05a3cf458a88cc05b74f9aa93debbd719- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12100321
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: Zdes' khorosho ('How Fair This Spot'), Op. 21, No. 7 · Machine-readable JSON-LD