School - 1992/Live at Reading

Recording by Nirvana.

Recording identifiers

ISRC
USUM70990941
CopyrightID (CopyrightChains transaction hash)
0x9637bbc3c5cce59427d16484a15d7922ff89b477c6f61b3f52fadec030c6b9bc
Copyright registration time
2026-06-05T20:20:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:0b7d06610e769589bce2531759343b12a28ef75cb1559cde6754ce18e9be89cc

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.