ISRC GBBBA0040407
Verified recording
GBBBA0040407 is “Songs from "Des Knaben Wunderhorn": Urlicht” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x789bb5e3922fdd5c5fb0dcf570b68bd15dcfc2d469748e05ddc9c36c3c7e5ce4 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0040407.
Recording identifiers
- ISRC
- GBBBA0040407
- Title
- Songs from "Des Knaben Wunderhorn": Urlicht
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x789bb5e3922fdd5c5fb0dcf570b68bd15dcfc2d469748e05ddc9c36c3c7e5ce4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:b89b04e17213d52e330acfdab35afbcd04c2bc8c4ba94ebb3103bea7df0751f5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0040407
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Songs from "Des Knaben Wunderhorn": Urlicht · Machine-readable JSON-LD