Mass in B Minor - Kyrie elieson (Coro)

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
USA370943438
CopyrightID (CopyrightChains transaction hash)
0x1ca95012003cec8484b47fadc83690eb0e2ecf9720f7d81e8ab0d10f3d0a1e32
Copyright registration time
2026-07-07T08:12:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7562b62acf626cd194d0327e549e197d2044873264154e6b281eb931711684c4

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.