V. Ihr habt nun Traurigkeit

Recording by Johannes Brahms.

Recording identifiers

ISRC
GBLWD2500805
CopyrightID (CopyrightChains transaction hash)
0xcc78dcbfe455d5921181a3b52d86aeab817319fb178ae9387bb38aad31bf9fda
Copyright registration time
2026-07-07T02:38:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ad6194fac152d0509ac7f5fe6c27a3fabbed0c4efcecc53d69f9b4b199d50bb4

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.