Blue Tango

Recording by Billy Vaughn.

Recording identifiers

ISRC
USUM71912035
Release date of the album this recording appears on
1956-01-01
CopyrightID (CopyrightChains transaction hash)
0x80c9fd0a6bd9b30a46dc7d894c1b0b9fb13be540d45f2ef9b0ec8b009ddee7ce
Copyright registration time
2026-06-09T18:49:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:054a847155edd54ceb34040a7ee17db6a4cc663030a2cfea4b84bc353bf55100

What this proof establishes

This recording was released in 1956, 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.