ISRC FRZ130839092
Verified recording
FRZ130839092 is “Variations On a Slovak Folksong: Variation 2, Poco Allegro” by Bohuslav Martinů,
registered on the CopyrightChains blockchain with CopyrightID
0x86c4b4b0f5365009e28cd7428f1cb03208cbdb80d2317440be13f405e340097f and independently timestamped
in Bitcoin block 960404 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130839092.
Recording identifiers
- ISRC
- FRZ130839092
- Title
- Variations On a Slovak Folksong: Variation 2, Poco Allegro
- Artist
- Bohuslav Martinů
- CopyrightID (CopyrightChains transaction hash)
0x86c4b4b0f5365009e28cd7428f1cb03208cbdb80d2317440be13f405e340097f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:06:57+00:00
- Bitcoin block
- 960404
- Canonical record hash
sha256:482c26564ce116226fb652b5a00037d49dadcc96d2e4449f81fe60fcfc115bda- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130839092
- Bitcoin block existence check
- https://blockstream.info/api/block/960404
Full record
Track page: Variations On a Slovak Folksong: Variation 2, Poco Allegro · Machine-readable JSON-LD