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
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ef71bb881fc6dcb0ea5d2104aff5eddacc479ff2f8da74e6855156f3d88aeb8c

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.