How to Build a Light

Recording by Carlos Hof.

Recording identifiers

ISRC
QZ5AB2150207
CopyrightID (CopyrightChains transaction hash)
0xff41ee2d4a7b59f8cb1621ed145f384d5d6b1f077ecd459bc81bc7b26b5440a9
Copyright registration time
2026-06-22T19:20:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:d9a0650954559197dd4d09ddafab348c0a63db14d3254a5f8372838a8d64e6c2

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.