Prelude

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
QM7MD1451233
CopyrightID (CopyrightChains transaction hash)
0xb8afbc42f47d2b2acc3884efa34c59dee838a48f24625651cdbdd9456209ccef
Copyright registration time
2026-07-07T03:06:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:59b93c03ceb57e2d93c1b8dd9ce3cdd06f811241ee9b045a6afa3f9f14b45e2c

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.