ISRC CZA161900907
Verified recording
CZA161900907 is “String Quartet No. 7 in F-Sharp Minor, Op. 108: No. 3, Allegro - Allegretto” by Dmitri Shostakovich,
registered on the CopyrightChains blockchain with CopyrightID
0x778a4e5179e4be45804d4cea51ff0320da37738f84173923775f16c599e23d8d and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161900907.
Recording identifiers
- ISRC
- CZA161900907
- Title
- String Quartet No. 7 in F-Sharp Minor, Op. 108: No. 3, Allegro - Allegretto
- Artist
- Dmitri Shostakovich
- CopyrightID (CopyrightChains transaction hash)
0x778a4e5179e4be45804d4cea51ff0320da37738f84173923775f16c599e23d8d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:ab58fb6bf568e7ea8e27798cbad6f63884cd20c0ddecd894a93d37c7caea82b6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161900907
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: String Quartet No. 7 in F-Sharp Minor, Op. 108: No. 3, Allegro - Allegretto · Machine-readable JSON-LD