Fight Fire With Fire - Studio Demo

Recording by Metallica.

Recording identifiers

ISRC
QMKHM1600108
CopyrightID (CopyrightChains transaction hash)
0xa597f94d62ba97a9cb2ea7d7b60d988dcf9fe0d43b8fd316ab77e33700f4a050
Copyright registration time
2026-06-10T01:54:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:e6a8a87bdc365ea02b30c7f085f81ddc6c92fb0817d8133d4c276d2f8aff0ea4

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.