Brother Kill Brother

Recording by Lefty.

Recording identifiers

ISRC
QZTB52378511
CopyrightID (CopyrightChains transaction hash)
0x8eeb360b20719c29816869b903ca7f842c75731260c06254ef4b3cff214733c0
Copyright registration time
2026-07-07T05:25:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e24f5e8c7f36eab7b562cea38ccb92f92c7719f0b156f5760b8caff7b4b83d79

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.