Hard hat

Recording by Onlybino!.

Recording identifiers

ISRC
QZHN62559631
CopyrightID (CopyrightChains transaction hash)
0xbfcca03e18f8f9c537d5a3c42ab221425e26915066912c74c0788c566a36ba7c
Copyright registration time
2026-06-21T11:44:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:bf8e86644487a892e64263d0dbf5560d72052dee150b310a15e45c9618c37b5c

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.