Das Lied von der Erde: V. Der Trunkene im Frühling

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEF059905095
CopyrightID (CopyrightChains transaction hash)
0x3fd1ce6ce9562693c1d72c6848d54029e1bae229a9e4022a066d903e89cb3963
Copyright registration time
2026-06-21T21:10:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8600aa34a4432f7d30d28d6a6335b58c634be222eaebde21f2119aab42062009

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.