Des Knaben Wunderhorn: Urlicht

Recording by Gustav Mahler.

Recording identifiers

ISRC
DELN22501008
CopyrightID (CopyrightChains transaction hash)
0xe2c9803f1d97d3c5150bb3af0c863f256628f3dfb5f3f913a0d348d2863d66b6
Copyright registration time
2026-07-07T09:33:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f4307621e72ee569a4f5289079d52e45767c66903b15dcd0eec7afb7f7307a16

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.