Why Not

Recording by Yoko Ono.

Recording identifiers

ISRC
US38W1628102
CopyrightID (CopyrightChains transaction hash)
0xb752950fd5df9913f5cf9546acc1659bf846a1a6374f49b98f1ec878bd0ce97d
Copyright registration time
2026-06-25T17:10:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:b4aab349a34439c6c06cdbec25dc44434f7ee73e39ce555ae5931b0528060ccf

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.