Das Lied von der Erde: 1. Das Trinklied vom Jammer der Erde

Recording by Gustav Mahler.

Recording identifiers

ISRC
NLA507400588
CopyrightID (CopyrightChains transaction hash)
0xec7be1e66fb6f328474952595b3dfc5db6a3f6f51692ba697cb2795c1c58dfb6
Copyright registration time
2026-07-30T22:30:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:fa7d3638d4b1077f5e38011d245b99d567a38e150a886405baa982ff27c4ddf2

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.