Don't Tread on Me - July 6th, 1990, Writing in Progress

Recording by Metallica.

Recording identifiers

ISRC
QMKHM1900059
CopyrightID (CopyrightChains transaction hash)
0xc190afc141c1c84fd64abead320f4751d8df3e3d07929e5b97405477b4e9a868
Copyright registration time
2026-06-18T03:41:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2e688bb681cdb1214822afda6478e4cfe8700a54c11411535069aef7495efebc

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.