4 Quartets, Op. 92: No. 1, O schöne Nacht!

Recording by Johannes Brahms.

Recording identifiers

ISRC
SE2FO1300107
CopyrightID (CopyrightChains transaction hash)
0xf1795ee7e5906254d1f2ca865807b0d5abaf0d101349f05390ca72bd6b32336c
Copyright registration time
2026-08-01T01:49:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T02:22:04Z
Bitcoin block
960497
Canonical record hash
sha256:51a846ba9e43b5038c4428511cfbda4bb9a0b040ba6597dabfed2db5e1731f8c

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.