Charlie Brown Blues

Recording by Vince Guaraldi Quintet.

Recording identifiers

ISRC
QZTXJ2300001
CopyrightID (CopyrightChains transaction hash)
0x1cc24262a0ab7562a7b11376ed6a91e22e69ba48742bc8c58e052ae489a164bb
Copyright registration time
2026-06-08T11:39:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:ecd3f9ead0d1321524cc293ada52ef535e6f9d18648bcc7e57f1f730ea917c3d

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.