Holiday

Recording by Cardioid.

Recording identifiers

ISRC
QZK6F2018244
CopyrightID (CopyrightChains transaction hash)
0x0748200007d467ccf3bcebce8c30f53f2e3b3691ce4bdacd0e28e52b99136ee3
Copyright registration time
2026-07-07T06:55:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c65fd4ecc301108306f1a4398e83637b652c61695c58fbc2a7444652e2f4d736

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.