Sophisticated Swing

Recording by Les Brown & His Band Of Renown.

Recording identifiers

ISRC
USCA20601752
CopyrightID (CopyrightChains transaction hash)
0x6a75bb4258fe13357a862925f161aea8161253ae8e1066bff4e4b45032038abc
Copyright registration time
2026-07-31T03:00:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T03:15:04Z
Bitcoin block
960340
Canonical record hash
sha256:1ef7007032e44f472ba8e4807a78e580d0c51549cd91b09fa4c5c92b91223a72

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.