Rückert-Lieder: Um Mitternacht

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEB162401378
CopyrightID (CopyrightChains transaction hash)
0x142566995ffe474e878d92e10e9b79a5263d8d7227ac04c7b03c4ec6bcca8391
Copyright registration time
2026-07-31T14:47:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:8cbb47ae7690cdd613cf0e6fef91d0e0ce85a7416bb0da5c81616773dc325da2

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.