Des Knaben Wunderhorn: Wer hat dies Liedlein erdacht?

Recording by Gustav Mahler.

Recording identifiers

ISRC
DELN22501001
CopyrightID (CopyrightChains transaction hash)
0x125315893a03af2342069c00d924c375efc12958ffb5525cf5220f743cdd15a9
Copyright registration time
2026-06-19T23:42:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:74a6699f31252bcf99c42beef88a2486ac88355808d2e0ad67be9ecfeb41e2f2

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.