On A Plain - Live In Tokyo, Japan/1992

Recording by Nirvana.

Recording identifiers

ISRC
USUM72114670
CopyrightID (CopyrightChains transaction hash)
0x161152f8184eb11001d418b46a276da14577c87d213c06d09a7b03692b50167d
Copyright registration time
2026-06-19T00:51:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d17ccf43cd374f6ac30c3c70da07baf22edf0efc983e31e49215e15988b3c0e9

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.