ISRC FRZ130839094
Verified recording
FRZ130839094 is “Variations On a Slovak Folksong: Variation 4, Scherzo, Allegretto” by Bohuslav Martinů,
registered on the CopyrightChains blockchain with CopyrightID
0x517b73088614875d189df6877d69e472482c153c9245e412183a5359884d0de7 and independently timestamped
in Bitcoin block 960410 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130839094.
Recording identifiers
- ISRC
- FRZ130839094
- Title
- Variations On a Slovak Folksong: Variation 4, Scherzo, Allegretto
- Artist
- Bohuslav Martinů
- CopyrightID (CopyrightChains transaction hash)
0x517b73088614875d189df6877d69e472482c153c9245e412183a5359884d0de7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:50:38+00:00
- Bitcoin block
- 960410
- Canonical record hash
sha256:7834c4d296c591b6f0050bf9e17de888cac90fa8f6b356efebde39f1b054cd14- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130839094
- Bitcoin block existence check
- https://blockstream.info/api/block/960410
Full record
Track page: Variations On a Slovak Folksong: Variation 4, Scherzo, Allegretto · Machine-readable JSON-LD