Floyd The Barber

Recording by Nirvana.

Recording identifiers

ISRC
USSUB0983402
CopyrightID (CopyrightChains transaction hash)
0xe25d2ca0b93e925d34d46d76e8401de3789d08959164c601f33f38976a6ffef1
Copyright registration time
2026-06-02T01:43:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:eab5116ffbce6683b560522b110efbc031b5a9e8e6a0080ec0126037deb3666c

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.