ISRC DEF059830704
Verified recording
DEF059830704 is “Des Knaben Wunderhorn: Verlor'ne Müh” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xaf93dc0a8664e7c0cc3af13b5adff321c2d1727fdf85c412311ab849c4c7cf7d and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059830704.
Recording identifiers
- ISRC
- DEF059830704
- Title
- Des Knaben Wunderhorn: Verlor'ne Müh
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xaf93dc0a8664e7c0cc3af13b5adff321c2d1727fdf85c412311ab849c4c7cf7d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:0056933665a4a77f20c00381b115bf7a33376be8329ad7846f8645d02324c3b5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059830704
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Des Knaben Wunderhorn: Verlor'ne Müh · Machine-readable JSON-LD