Concerto for Cor Anglais (from BWV 54): 2. Adagio

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
GBBBA0900462
CopyrightID (CopyrightChains transaction hash)
0xd2e4b8aaa5739fa56e721f831e87cf0109d42cdf44e62443c3c687731b12ea6b
Copyright registration time
2026-06-10T16:08:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:61343835bbe66ee9cba46a2bbd78554fcbe0006905721fc9952b0accb0b3f0c5

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.