Very Ape - 2013 Mix

Recording by Nirvana.

Recording identifiers

ISRC
USUM71309360
CopyrightID (CopyrightChains transaction hash)
0xd8badbcc6cc52b44a7f9c123207c6edc76be234e7f3123e1a3ce9f5587604bce
Copyright registration time
2026-06-06T08:58:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:04eff6a454cd11be98dba72ade45cb651f92b6af898d3037f2b4e0212b4f9c75

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.