Rückert Lieder: Um Mitternacht

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEN960301705
CopyrightID (CopyrightChains transaction hash)
0xc8b1d5265bb66020c88a6f4bf858b387878946f92847d9b4df481b352f9956d6
Copyright registration time
2026-07-07T01:38:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9187f35d1f05f5e6896d80bdaac3281056c0b32ace1abe2de0ed88212b13d3ab

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.