West Side Story: VIII. Cool

Recording by Leonard Bernstein.

Recording identifiers

ISRC
DEF058430606
CopyrightID (CopyrightChains transaction hash)
0x8616af170921250d462d7c5f3efadd54433713b7597584a9b41b0ba2393d3a4e
Copyright registration time
2026-07-06T04:49:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T07:53:57Z
Bitcoin block
956894
Canonical record hash
sha256:11de801016948cc62a41b100f70a2938cb4467de27af7fa008f75a0bd0cdc41b

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.