Rückert Lieder: Um Mitternacht

Recording by Gustav Mahler.

Recording identifiers

ISRC
FR7JM2376040
CopyrightID (CopyrightChains transaction hash)
0xe1a3af0c475f2aa7f6fa61f8aacbcce9471d38558d05a476c8d4b6a9873f7283
Copyright registration time
2026-07-07T14:48:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:f49b614db7dbd813f80af03ba40f81bd30c6fc40278c3335fb9c98b649946d73

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.