ISRC USMC16009462

Verified recording

USMC16009462 is “Chopin's Polonaise” by Frédéric Chopin, registered on the CopyrightChains blockchain with CopyrightID 0x2d5d764fb2c817f83c23920db1aeb87123ead66adbde668c4df4f84f0b9f4024 and independently timestamped in Bitcoin block 960327 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC16009462.

Recording identifiers

ISRC
USMC16009462
Title
Chopin's Polonaise
Artist
Frédéric Chopin
CopyrightID (CopyrightChains transaction hash)
0x2d5d764fb2c817f83c23920db1aeb87123ead66adbde668c4df4f84f0b9f4024

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26+00:00
Bitcoin block
960327
Canonical record hash
sha256:5d04fb7a9d67897801f1c5b4555e557a2424b1811e6ac1ece9ec8e5b0813bd62
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMC16009462
Bitcoin block existence check
https://blockstream.info/api/block/960327

Full record

Track page: Chopin's Polonaise · Machine-readable JSON-LD