Spank Thru - 1992/Live at Reading

Recording by Nirvana.

Recording identifiers

ISRC
USUM70996823
CopyrightID (CopyrightChains transaction hash)
0xb257cf3054951f9d1bab18edc23356d4d1542ed1451d4619168e8016ecc49e80
Copyright registration time
2026-06-05T19:09:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:471cae5a6d7b1587860d0c26f4f48887f431490c4f2dac40a1d29627020be1b1

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.