ISRC FRZ131704040

Verified recording

FRZ131704040 is “Grand Sonata in G Major, Op. 37, TH 139: IV. Finale. Allegro vivace” by Pyotr Ilyich Tchaikovsky, registered on the CopyrightChains blockchain with CopyrightID 0x850a2cad2edf67b6b1eb5fab7455c99c12509d9a631f38ded16340838e9a5095 and independently timestamped in Bitcoin block 960212 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131704040.

Recording identifiers

ISRC
FRZ131704040
Title
Grand Sonata in G Major, Op. 37, TH 139: IV. Finale. Allegro vivace
Artist
Pyotr Ilyich Tchaikovsky
CopyrightID (CopyrightChains transaction hash)
0x850a2cad2edf67b6b1eb5fab7455c99c12509d9a631f38ded16340838e9a5095

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T05:43:45+00:00
Bitcoin block
960212
Canonical record hash
sha256:d1933443f19b8f984787c7d1dd7ee95ff25e8101710c6ee70ab6b13750311c72
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131704040
Bitcoin block existence check
https://blockstream.info/api/block/960212

Full record

Track page: Grand Sonata in G Major, Op. 37, TH 139: IV. Finale. Allegro vivace · Machine-readable JSON-LD