ISRC CZA169204261

Verified recording

CZA169204261 is “Sinfonia Concertante for Viola, Double Bass and Orchestra: IV. Allegro ma non troppo” by Carl Ditters von Dittersdorf, registered on the CopyrightChains blockchain with CopyrightID 0x70b302dac950b0e209355ecf7bcdf551f6f9204afe1f086c769d495b096c5eba 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/CZA169204261.

Recording identifiers

ISRC
CZA169204261
Title
Sinfonia Concertante for Viola, Double Bass and Orchestra: IV. Allegro ma non troppo
Artist
Carl Ditters von Dittersdorf
CopyrightID (CopyrightChains transaction hash)
0x70b302dac950b0e209355ecf7bcdf551f6f9204afe1f086c769d495b096c5eba

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19+00:00
Bitcoin block
957118
Canonical record hash
sha256:4067bb08c57a3eb79473a735320386ecac5f484ce771223fcc8b2ed9ba8158a0
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA169204261
Bitcoin block existence check
https://blockstream.info/api/block/957118

Full record

Track page: Sinfonia Concertante for Viola, Double Bass and Orchestra: IV. Allegro ma non troppo · Machine-readable JSON-LD