California Christmas

Recording by Judy Blank.

Recording identifiers

ISRC
NL7ZS2200001
CopyrightID (CopyrightChains transaction hash)
0x5a821c5c3bcf6a49def5ec766efe56290119bed4faffe7703222dfbc040c1b18
Copyright registration time
2026-07-06T20:02:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:33705d9813ee76442539afe9b6be2578657189f26526b6ba59693d2f7daeff1f

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.