Warum sollt ich mich denn grämen?, BWV 422

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
DEN961731344
CopyrightID (CopyrightChains transaction hash)
0x773a5797d4d605d193d33b80fdeeb857945e628193ef509c9dfffebcd6c14de6
Copyright registration time
2026-07-30T15:46:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T16:01:17Z
Bitcoin block
960276
Canonical record hash
sha256:05d98b952193077fee77ba464e95366b41507ad443964a85c1fda81cc6bbc25f

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.