ISRC FR50X2073701
Verified recording
FR50X2073701 is “Duo for Violin and Violoncello, Op. 7: I. Allegro serioso, non troppo” by Zoltán Kodály,
registered on the CopyrightChains blockchain with CopyrightID
0x08c44f9884f1652cafd88176af6be8a1b6ef1d138238c2530afbf03ec58ca966 and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2073701.
Recording identifiers
- ISRC
- FR50X2073701
- Title
- Duo for Violin and Violoncello, Op. 7: I. Allegro serioso, non troppo
- Artist
- Zoltán Kodály
- CopyrightID (CopyrightChains transaction hash)
0x08c44f9884f1652cafd88176af6be8a1b6ef1d138238c2530afbf03ec58ca966
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:e281f6f07b9e87d1476d459b62fe3eabc25f2ec06776d4b96785003f924cf39c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR50X2073701
- Bitcoin block existence check
- https://blockstream.info/api/block/960291
Full record
Track page: Duo for Violin and Violoncello, Op. 7: I. Allegro serioso, non troppo · Machine-readable JSON-LD