Company - Original Broadway Cast: The Ladies Who Lunch

Recording identifiers

ISRC

USSM10112742

Release date of the album this recording appears on

1970

CopyrightID (CopyrightChains transaction hash)

0xa4449c319b3eaf5b5d047d86ea6d915d16f8ccc7c8bccd5d37307c10006028ac

Copyright registration time

2026-06-09T07:41:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T15:41:10Z

Bitcoin block

953528

Canonical record hash

sha256:d0a01601aaa196273b3f9d96827e70053c48bb92bba7a21077791eae68ff7d92

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC USSM10112742

What this proof establishes

This recording was released in 1970, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.