ISRC QZZ8A2473981

Verified recording

QZZ8A2473981 is “Nocturne Op. 9 No. 2 - Chopin - Classical Study Music” by Classical Study Music, registered on the CopyrightChains blockchain with CopyrightID 0x64a71c3825ab229f1a24ccd9535c4e8762a332a55d464b9e6ff4974050d825ca and independently timestamped in Bitcoin block 960418 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8A2473981.

Recording identifiers

ISRC
QZZ8A2473981
Title
Nocturne Op. 9 No. 2 - Chopin - Classical Study Music
Artist
Classical Study Music
CopyrightID (CopyrightChains transaction hash)
0x64a71c3825ab229f1a24ccd9535c4e8762a332a55d464b9e6ff4974050d825ca

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15+00:00
Bitcoin block
960418
Canonical record hash
sha256:c93f19995df302ec9a4ae977b62686bd48b49661f525c79495499840894eb0fe
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8A2473981
Bitcoin block existence check
https://blockstream.info/api/block/960418

Full record

Track page: Nocturne Op. 9 No. 2 - Chopin - Classical Study Music · Machine-readable JSON-LD