Fist Vs. Tact

Recording by MxPx.

Recording identifiers

ISRC
USAM19800112
CopyrightID (CopyrightChains transaction hash)
0x470e479991c1d48de7088d816e454dc069088796fdaaea67a6b3fbd58a639375
Copyright registration time
2026-06-19T00:08:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d94e3e0fc13390f45bfe1250c22f1d9bfe1cac8f8da5e53fe42a7726d294ac78

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.