Return of the Mack - Instrumental

Recording by Mark Morrison.

Recording identifiers

ISRC
GBAHT0200583
CopyrightID (CopyrightChains transaction hash)
0x1fb6aee420667621ebc5abcca6f2fd1d772c12ad4930ccab17b2abfcf6cb8e93
Copyright registration time
2026-06-06T04:00:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:f1776c84b909a1d426653655017c336bcc761e6c27fce2a0db7afa90b1654586

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.