John & Yoko

Recording by John Lennon.

Recording identifiers

ISRC
US38W1629101
CopyrightID (CopyrightChains transaction hash)
0x9f65c1f88f7367dbac9533a8de2e42b854a81978baefbeaa4664a1a1d3005b78
Copyright registration time
2026-06-11T05:40:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:2a8f8052859d2abc69883f5d98d48b370ca71bff621efddf5d733277b062b12c

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.