II. Largo Ma Non Tanto

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
GBAYC8901875
CopyrightID (CopyrightChains transaction hash)
0xb2f0b758580c79c2a7c79b25a46ad1668bbadff21dedd9f7ebb14249f29724d7
Copyright registration time
2026-06-06T23:09:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c3880a15ee603c1ce2d6546c31e0336bce949a88617a6a063d9a535fb1ea547f

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.