Mambo (From "West Side Story")

Recording by Leonard Bernstein.

Recording identifiers

ISRC
GBAYC2200174
CopyrightID (CopyrightChains transaction hash)
0x02250ded9f061dbc43d53cc0b7091a44d781ed0cb3058b2186baccc92bcac78f
Copyright registration time
2026-07-06T09:09:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:04:01Z
Bitcoin block
957046
Canonical record hash
sha256:f12993dd93eb221242f26936c98c5c36a176b05af7b9ba595a599671baaf98ed

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.