ISRC CZA160800496
Verified recording
CZA160800496 is “Three Madrigals for Violin and Viola, H. 313 "Duo No. 1": I. Poco allegro” by Bohuslav Martinů,
registered on the CopyrightChains blockchain with CopyrightID
0x4ee26eb33a4d9610ce4d151887f5d4d43dff15d4850714cacf0246f19580ab54 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA160800496.
Recording identifiers
- ISRC
- CZA160800496
- Title
- Three Madrigals for Violin and Viola, H. 313 "Duo No. 1": I. Poco allegro
- Artist
- Bohuslav Martinů
- CopyrightID (CopyrightChains transaction hash)
0x4ee26eb33a4d9610ce4d151887f5d4d43dff15d4850714cacf0246f19580ab54
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:bbac206a7a7dbccc3c079bfdcdbe0fcc06b0c0ba6035cf1458dbe6280f069b6a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA160800496
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Three Madrigals for Violin and Viola, H. 313 "Duo No. 1": I. Poco allegro · Machine-readable JSON-LD