V. Ihr habt nun Traurigkeit

Recording by Johannes Brahms.

Recording identifiers

ISRC
SEAED2451050
CopyrightID (CopyrightChains transaction hash)
0x21ddfb08a4712580a65c631b7ea4134eff7423aa2d752e0bc4b04726f8610403
Copyright registration time
2026-06-24T07:59:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e1e2e3deae75c5a0be162272f77bc35c8d49a2a2bb528271ee5fe2c78b11f237

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.