Let It Go - Live At The LA Forum, USA / 1983

Recording by Def Leppard.

Recording identifiers

ISRC
GBUM70905134
CopyrightID (CopyrightChains transaction hash)
0xcf9fa1f756201cbd4a5f1bf33ca518117c1c0385b90f3b7110b29ddbcc4c38e8
Copyright registration time
2026-06-20T20:35:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:4f3770bc79169d6c56672092c6d6858c1ed96f88f615c303121771b01886b508

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.