The Last Words of M

Recording by Isobel Waller-Bridge.

Recording identifiers

ISRC
UST8K1571957
CopyrightID (CopyrightChains transaction hash)
0x5ecadb585027e928cdb61596d7cce89a0c9ddb47174b2b568bb89ce40e3df1d8
Copyright registration time
2026-07-07T05:48:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:dff6c5193f049e6c850a3216b5c412129f0fc19924be78c2b9394ca8ab74115a

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.