Choral "Nun komm, der Heiden Heiland"

Recording by Johann Michael Bach.

Recording identifiers

ISRC
FR7JM2536130
CopyrightID (CopyrightChains transaction hash)
0x07edaf3fa9ed4701c52bddc77188287a999a9acb1b27a444449e6fdb039f68b6
Copyright registration time
2026-07-06T21:15:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b58506b3ee23124196ccbb13268c0d26905edc0979373b5949f3037ac624ca6c

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.