Dumb

Recording by Nirvana.

Recording identifiers

ISRC
USGF19960706
CopyrightID (CopyrightChains transaction hash)
0x9d90c09c341be45fe08d40bd57a5ce518f93c6e5a74a86bd361557431a750bc0
Copyright registration time
2026-06-01T05:01:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:78f617b3cd88ff16aeebdbb3c49c487baaa9bdb8792d5d78dcfa14f0a19532b0

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.