Mrs. Lennon

Recording by Yoko Ono.

Recording identifiers

ISRC
US38W1728205
CopyrightID (CopyrightChains transaction hash)
0x6cbc1306caf5c69ace531527dbc5e655a2413722241df7d7a23c6c18abf9d20a
Copyright registration time
2026-06-20T22:40:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:01f29cbdbc7c80bc7f71422f23fc66c29eeb7b0be013ef29aafde2ca765e2d74

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.