ISRC GBLGL1090692

Verified recording

GBLGL1090692 is “Volkslied und Marchen, Op. 135” by Karl Komzák, registered on the CopyrightChains blockchain with CopyrightID 0xfe5e7e4095de91256e0ed7205bfdf7caa6291c039c2c3c836b4ec05b134b1855 and independently timestamped in Bitcoin block 960429 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1090692.

Recording identifiers

ISRC
GBLGL1090692
Title
Volkslied und Marchen, Op. 135
Artist
Karl Komzák
CopyrightID (CopyrightChains transaction hash)
0xfe5e7e4095de91256e0ed7205bfdf7caa6291c039c2c3c836b4ec05b134b1855

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T16:07:24+00:00
Bitcoin block
960429
Canonical record hash
sha256:1e72e992d1664d1ea1fc6edd6fc31a195132fa208105f13e17071919828c03ee
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLGL1090692
Bitcoin block existence check
https://blockstream.info/api/block/960429

Full record

Track page: Volkslied und Marchen, Op. 135 · Machine-readable JSON-LD