Mass in A Major, BWV 234: Qui tollis

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
SEAEW1521040
CopyrightID (CopyrightChains transaction hash)
0xf12df895ccc61a55203b090400eaed981e04c1e9a012b797ce4d406eb5a5e99e
Copyright registration time
2026-07-07T15:04:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fe34b477093a9f2516efea735d278ac3782366baf9734676d3c41d932cde0890

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.