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
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:04633abc1c752e5dacf6c74ee1716323796f43c003fef1c6385e3f30d0f019b2

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.