II. Largo ma non tanto

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
HKI199910711
CopyrightID (CopyrightChains transaction hash)
0x549fe9b8fe3b2c09b7714b458419f3fc2587981208d0911c8c870913fde63ca2
Copyright registration time
2026-07-30T10:10:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T10:42:33Z
Bitcoin block
960247
Canonical record hash
sha256:01dd15e92728b510d46d0a4dabe9401800379f6572218eb8721fc56a557e4b48

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.