The Thing That Should Not Be - December 1985 / Work In Progress Rough Mix

Recording by Metallica.

Recording identifiers

ISRC
QMKHM1600450
CopyrightID (CopyrightChains transaction hash)
0xe83a8f55960a233306494e01ce2773a4719bfe7f1306104c2ff1107f94829649
Copyright registration time
2026-06-22T22:03:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c4069dbe6961ce5cb250298ac753a8eb8d31083e8bbfc7c91cdc62bef0fb5a3c

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.