Momma's Blues

Recording by Andrew Lloyd Webber.

Recording identifiers

ISRC
QMDA62439593
CopyrightID (CopyrightChains transaction hash)
0x3bb5ed86be6d163f004312017869f028a109c97d97d43b2f1131cb7ae0516c62
Copyright registration time
2026-06-05T21:19:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:d3eab6a28892043325c8e5e0b05ee26a090aae6938fe0c3ea14f08c78aafa6ab

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.