Downer

Recording by Nirvana.

Recording identifiers

ISRC
USSUB0983413
CopyrightID (CopyrightChains transaction hash)
0x3e8f4c18aa8be93796e54072f19c1bcc68afd14eddc0224450c5973f798122f9
Copyright registration time
2026-06-04T10:51:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:b2a395f51513577cdf0dc51985b5a9925f990fa3b008cf5543e3f69f402ea4db

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.