Memoirs: Return to London: It is sufficient

Recording by John Mainwaring.

Recording identifiers

ISRC
DEQG42579444
CopyrightID (CopyrightChains transaction hash)
0x8a62ae3b3dfd93d6fe3f8aa8c7917337ae32c9a9be001d0a1e2f057c29131d6e
Copyright registration time
2026-07-29T11:16:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:30:20Z
Bitcoin block
960099
Canonical record hash
sha256:8c2d1be80873b88056a12b86c2ccf1c2381b7863997feeb96a1ee18a5ccbe76d

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.