ISRC US5540501976
Verified recording
US5540501976 is “Voices Of Spring, Waltz, Op. 410” by Joseph Francek,
registered on the CopyrightChains blockchain with CopyrightID
0x26f2752400d03eea186789d5dec72c44cbebe1959b80dd971ad5b63f05246992 and independently timestamped
in Bitcoin block 959132 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5540501976.
Recording identifiers
- ISRC
- US5540501976
- Title
- Voices Of Spring, Waltz, Op. 410
- Artist
- Joseph Francek
- CopyrightID (CopyrightChains transaction hash)
0x26f2752400d03eea186789d5dec72c44cbebe1959b80dd971ad5b63f05246992
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T13:20:46+00:00
- Bitcoin block
- 959132
- Canonical record hash
sha256:7f4329254cc34fc5390a757d3fccd693e1af004b44cb45b7892c02a52fef3977- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5540501976
- Bitcoin block existence check
- https://blockstream.info/api/block/959132
Full record
Track page: Voices Of Spring, Waltz, Op. 410 · Machine-readable JSON-LD