London Has Changed

Recording by Len.

Recording identifiers

ISRC
UK6822313143
CopyrightID (CopyrightChains transaction hash)
0xa9ce372776df9fa1f4560a74619fca1daf3fb5f403a93bfbfe425a1fd1da0e94
Copyright registration time
2026-07-07T23:29:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:42c0e6d0f31c8a656ec2d70a7094fddd6b45977510ceeba01fd895c6fde8dbf7

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.