Reason to Believe

Recording by Vince Guaraldi.

Recording identifiers

ISRC
USWB10402459
Release date of the album this recording appears on
1968-12-10
CopyrightID (CopyrightChains transaction hash)
0x095b4712e7998c7ac81aa073d6009306772eeffffecebea907e1e85125e0e483
Copyright registration time
2026-07-30T05:16:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T06:57:05Z
Bitcoin block
960218
Canonical record hash
sha256:2edd67d621929a52cad7d9d1b7e4c5e0eeb44d96b5cd4ab4ebb04c3b33d1fe43

What this proof establishes

This recording was released in 1968, 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.