Maria (From "West Side Story")

Recording by Leonard Bernstein.

Recording identifiers

ISRC
USSM12304225
CopyrightID (CopyrightChains transaction hash)
0x4cea1980583b9c125136fdfdb48060d18f0503cf195f7ec668e242bd67ccb222
Copyright registration time
2026-06-10T04:38:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:50:38Z
Bitcoin block
957075
Canonical record hash
sha256:9d24689047eb9999d842e39c6a8adc89bdde796417951f2fa2a740df6898d48c

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.