School

Recording by Nirvana.

Recording identifiers

ISRC
USSUB0983404
CopyrightID (CopyrightChains transaction hash)
0x3a71f7bb0ad8c1eb3cfef09b3fe320d8bbe3d817172c452e8ce3c5d6c198749d
Copyright registration time
2026-06-01T14:14:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:2374f4f3ab2dfb548a884c3be3db7d548d3ad7a5dcaee9f080e9fa1f89884c0f

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.