ISRC QMBZ91426697
Verified recording
QMBZ91426697 is “18 Études de genre, Op. 109: No. 11 in A Minor, La sérénade” by Friedrich Burgmüller,
registered on the CopyrightChains blockchain with CopyrightID
0x4b0bbc29c1a53be067ba95821e7f506ac84110cb876350d3c84b7d0f4471aebb and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91426697.
Recording identifiers
- ISRC
- QMBZ91426697
- Title
- 18 Études de genre, Op. 109: No. 11 in A Minor, La sérénade
- Artist
- Friedrich Burgmüller
- CopyrightID (CopyrightChains transaction hash)
0x4b0bbc29c1a53be067ba95821e7f506ac84110cb876350d3c84b7d0f4471aebb
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:bb890f17c9608b454b21922a9d5beaebc77d5c3f8eedc9679c5b1f1a4d6c7354- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91426697
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: 18 Études de genre, Op. 109: No. 11 in A Minor, La sérénade · Machine-readable JSON-LD