Beethoven Medley

Recording by Backtrack.

Recording identifiers

ISRC
QZ22B1993577
CopyrightID (CopyrightChains transaction hash)
0x16a8ca036254962bb6816b2d36931f7f918b935c715377ba3af85c2781294d04
Copyright registration time
2026-06-25T08:41:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c252523376a9afa2e334742edae456957248e73735d40d7110491c89e9d86953

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.