ISRC GBBBA0040405
Verified recording
GBBBA0040405 is “Songs from "Des Knaben Wunderhorn": Verlor'ne Müh” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x446ecfd0849a9986bf01f918f7671cabf1f1f1c0361086641bd04f1a0042c096 and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0040405.
Recording identifiers
- ISRC
- GBBBA0040405
- Title
- Songs from "Des Knaben Wunderhorn": Verlor'ne Müh
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x446ecfd0849a9986bf01f918f7671cabf1f1f1c0361086641bd04f1a0042c096
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:0640f7790cdad8d1014cc41bf261d2d21bf06b3212391ea7fd4e7491cfccae2b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA0040405
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: Songs from "Des Knaben Wunderhorn": Verlor'ne Müh · Machine-readable JSON-LD