Poison's Gone

Recording by Kurt Cobain.

Recording identifiers

ISRC
USUM71514619
CopyrightID (CopyrightChains transaction hash)
0xe645ea250af201d89f651d5617bf4689f9e342b0ef89963c5202713f4be78b36
Copyright registration time
2026-06-04T09:15:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:68cb26946952f4a7b1510fd2f6e5bb77659339f814054abbfc0261384cda8e89

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.