Prelude

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
QM7MD1451221
CopyrightID (CopyrightChains transaction hash)
0x0b652a24e8d6a82c129b89de4fa87a075461974fa63e03d99fba4f3c1695b53d
Copyright registration time
2026-07-06T23:21:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:458d8da8f53b918d2a4cf4acba07f6e6f6dc44b7fb71dd100b5f8280e51739e2

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.