ISRC QMBZ91426687
Verified recording
QMBZ91426687 is “18 Études de genre, Op. 109: No. 1 in C Major, Confidence” by Friedrich Burgmüller,
registered on the CopyrightChains blockchain with CopyrightID
0x5ef56eb54f84522a9fd76718e1758973064842488970fc50aa82f4a88fa8564c and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91426687.
Recording identifiers
- ISRC
- QMBZ91426687
- Title
- 18 Études de genre, Op. 109: No. 1 in C Major, Confidence
- Artist
- Friedrich Burgmüller
- CopyrightID (CopyrightChains transaction hash)
0x5ef56eb54f84522a9fd76718e1758973064842488970fc50aa82f4a88fa8564c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:6bbd1d05b91cccaf3bbb63d25ea577cd8a58624a56de4060e6e1dfc8de9e0870- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91426687
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: 18 Études de genre, Op. 109: No. 1 in C Major, Confidence · Machine-readable JSON-LD