Somewhere (from "West Side Story")

Recording by Leonard Bernstein.

Recording identifiers

ISRC
US23M0800388
CopyrightID (CopyrightChains transaction hash)
0xb2658d74df90d1a5aa7b868c2e08d0866e6ae834e95d238270778acbd0b87ff7
Copyright registration time
2026-07-31T11:37:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:35ec5891ba4fed307c63a88c74622576fd2b9d1afd5229eb95531201291a41d4

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.