ISRC USA370989643

Verified recording

USA370989643 is “25 Études faciles et progressives, Op. 100: 25. La chevaleresque. Allegro marziale” by Friedrich Burgmüller, registered on the CopyrightChains blockchain with CopyrightID 0x09733dc64ff59191cebbd6742042d423545ea77b39b810ace619746d0cfc87a7 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/USA370989643.

Recording identifiers

ISRC
USA370989643
Title
25 Études faciles et progressives, Op. 100: 25. La chevaleresque. Allegro marziale
Artist
Friedrich Burgmüller
CopyrightID (CopyrightChains transaction hash)
0x09733dc64ff59191cebbd6742042d423545ea77b39b810ace619746d0cfc87a7

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49+00:00
Bitcoin block
956889
Canonical record hash
sha256:d4a7e8e12c4d072558fd976813922ca0a7bb4efaecec4dea82962d2bd114b14e
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370989643
Bitcoin block existence check
https://blockstream.info/api/block/956889

Full record

Track page: 25 Études faciles et progressives, Op. 100: 25. La chevaleresque. Allegro marziale · Machine-readable JSON-LD