Twentieth Century Closet

Recording by John Kirby.

Recording identifiers

ISRC
USC9R8401405
CopyrightID (CopyrightChains transaction hash)
0xe33681f1a288a0ccaaa1f04af0438003863ca8222bff18bdddd038f6171bade8
Copyright registration time
2026-07-31T17:02:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52Z
Bitcoin block
960441
Canonical record hash
sha256:70b8a9458675be374409495abdea82f65273ac6c7c8f0865c0ca116309da7ba2

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.