Guten Abend, gut Nacht

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEN120206446
CopyrightID (CopyrightChains transaction hash)
0x21ffcf245847e2cc6a37313e458bd9e712be896074907d22cd9e29001f97ec77
Copyright registration time
2026-06-04T16:18:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:1bf5bef76619c6f364b72375f29835bb01ad97afe36ecbf941edf9ece0e986d7

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.