Hei Hei Saves the Day

Recording by Mark Mancina.

Recording identifiers

ISRC
USWD12434511
CopyrightID (CopyrightChains transaction hash)
0xfe8e98908a468055f7128e613382b00f79670c55c7c04e67e1bba1e6afa2dff3
Copyright registration time
2026-06-07T19:15:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fbf220a8387ec391269b7ca142bf65f3a81e4e52269afac3cd9995212d3be75e

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.