Chor: Lasset uns nun gehen gen Bethlehem

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
CH4212000144
CopyrightID (CopyrightChains transaction hash)
0xb043aec51856511672f0e6a5a438e567a1f610d889e63a83d3eb41261d47d83d
Copyright registration time
2026-07-31T17:36:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:a63399980fc347c09f20f2287391da477b92f15007feb915615fe2d0a48d55aa

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.