West Side Story (Original Broadway Cast): Act I: America

Recording identifiers

ISRC

USSM10411924

Release date of the album this recording appears on

1957

CopyrightID (CopyrightChains transaction hash)

0x9fdb7654af6d0450b6bedd710c98e39b5dbd4e277d23d1d1aa2b250789993462

Copyright registration time

2026-06-10T03:08:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-06-13T13:32:09Z

Bitcoin block

953520

Canonical record hash

sha256:d17f079f1a4e5dc4cb61adf9c394a7fc0e0e4c42ba3f5702fa3b7bdc4bdbd2ba

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC USSM10411924

What this proof establishes

This recording was released in 1957, 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.