Guten Abend, gut Nacht

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEN120206371
CopyrightID (CopyrightChains transaction hash)
0x9372021586349be46d2f953b3bb92bbf6b12465a3cf29eb410f5477b9799a3ed
Copyright registration time
2026-07-06T09:07:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T15:12:44Z
Bitcoin block
957055
Canonical record hash
sha256:bdedfc7f5f8417f7fd2c254aa2b183fd42909b6b39c2f5440323930d2c4618a2

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.