4X4

Recording by Kau.

Recording identifiers

ISRC
QZTPX2328670
CopyrightID (CopyrightChains transaction hash)
0x26a3cf048a471d9bc5bebccfab9ddfc49e5883174321c8ee431b6e2ac4736ef5
Copyright registration time
2026-06-09T08:26:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:5f79d9d8977c5e3b2ffd852e327bbe4142bac2f1c246c24fd22c4b75489a792a

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.