ISRC FRZ110601645

Verified recording

FRZ110601645 is “Godowsky: Studies on Chopin's Études: No. 5, Study for the Left Hand After Op. 10 No. 3 "Tristesse"” by Frédéric Chopin, registered on the CopyrightChains blockchain with CopyrightID 0xe4ce558667317fe379cbcda527537933e26c5526cd537537befb0174b2f67788 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/FRZ110601645.

Recording identifiers

ISRC
FRZ110601645
Title
Godowsky: Studies on Chopin's Études: No. 5, Study for the Left Hand After Op. 10 No. 3 "Tristesse"
Artist
Frédéric Chopin
CopyrightID (CopyrightChains transaction hash)
0xe4ce558667317fe379cbcda527537933e26c5526cd537537befb0174b2f67788

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41+00:00
Bitcoin block
957120
Canonical record hash
sha256:5ce2bad20ee67496647e354098a45bce8a452852f9090da94a3faac6511c93e6
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ110601645
Bitcoin block existence check
https://blockstream.info/api/block/957120

Full record

Track page: Godowsky: Studies on Chopin's Études: No. 5, Study for the Left Hand After Op. 10 No. 3 "Tristesse" · Machine-readable JSON-LD