Radio Play

Recording by John Lennon.

Recording identifiers

ISRC
US38W1629005
CopyrightID (CopyrightChains transaction hash)
0x18b8b2474de8e86a371ab230516dfac9326c82435ee9e43a93626e577193461a
Copyright registration time
2026-07-06T19:20:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5d8888424f938b3809c91f02a1e23c65716455bcca7db196b3475f742f51eeff

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.