ISRC CZA160901638
Verified recording
CZA160901638 is “String Quartet No. 1 in B Minor, Op. 50: II. Andante molto - Vivace” by Sergei Prokofiev,
registered on the CopyrightChains blockchain with CopyrightID
0xf55464644f795fdcb66135490b0890c3f7b7981ce6e432ff7ecb0b3f52bd4f7c 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/CZA160901638.
Recording identifiers
- ISRC
- CZA160901638
- Title
- String Quartet No. 1 in B Minor, Op. 50: II. Andante molto - Vivace
- Artist
- Sergei Prokofiev
- CopyrightID (CopyrightChains transaction hash)
0xf55464644f795fdcb66135490b0890c3f7b7981ce6e432ff7ecb0b3f52bd4f7c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:6d983eda1cf2f5c9ed7f7f212a4327fe6d1a11060bf2351f8a3ac8f92e7e679e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA160901638
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: String Quartet No. 1 in B Minor, Op. 50: II. Andante molto - Vivace · Machine-readable JSON-LD