Mass in B Minor, BWV 232: Et expecto

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
FR7JM2170090
CopyrightID (CopyrightChains transaction hash)
0x513352190985473815d346daa36492ebbd2c19beaf8a157765c56cbe5d5fdcd7
Copyright registration time
2026-07-07T15:29:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d04fd42d81e2c92f952644024d4939788edaef4a40aaaee350527e9e0cf81195

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.