ISRC FRZ078301010

Verified recording

FRZ078301010 is “Waltz No. 1 In E Flat, 0p.18 - "Grande valse brillante"” by Frédéric Chopin, registered on the CopyrightChains blockchain with CopyrightID 0x9c82705d3db76713ef4b0cc7c34fa8ce1c6a5756b23afea392345bbcfa830054 and independently timestamped in Bitcoin block 956889 on 2026-07-06. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ078301010.

Recording identifiers

ISRC
FRZ078301010
Title
Waltz No. 1 In E Flat, 0p.18 - "Grande valse brillante"
Artist
Frédéric Chopin
CopyrightID (CopyrightChains transaction hash)
0x9c82705d3db76713ef4b0cc7c34fa8ce1c6a5756b23afea392345bbcfa830054

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49+00:00
Bitcoin block
956889
Canonical record hash
sha256:34a7eed721d9275c881747db2ce97c6aee3db7728eb0f68e36faae3e3bee3ea7
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ078301010
Bitcoin block existence check
https://blockstream.info/api/block/956889

Full record

Track page: Waltz No. 1 In E Flat, 0p.18 - "Grande valse brillante" · Machine-readable JSON-LD