Kung Fu (Bonus Track)

Recording by Calboy.

Recording identifiers

ISRC
USL4Q1729194
CopyrightID (CopyrightChains transaction hash)
0x14a5ecb22c2f141e2686d93a2b3d245cc50b653cfb7d870f912a24e00732c32d
Copyright registration time
2026-07-06T06:56:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:e11d4d894e9d15ec42a427dad3bb9936c5affce0b7236dd02d242ebae0396e62

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.