What Is and What Should Never Be - 1/4/71 Paris Theatre;Remaster

Recording by Led Zeppelin.

Recording identifiers

ISRC
GBCAD1600612
CopyrightID (CopyrightChains transaction hash)
0xb8e6ee390bc89f39f8ae209fa5dffbf138fc727f8b968706ffe255a6361619e7
Copyright registration time
2026-06-08T18:26:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:fc3d6a12f3b9cab1345f570db94f41845318a149b829a87785056d75762ae2e7

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.