The Boss Is Back

Recording by Sir Mix-A-Lot.

Recording identifiers

ISRC
USSM19100225
CopyrightID (CopyrightChains transaction hash)
0xb9fc3669b3b05a840b5f9abb5c6dd67cda169f39a2449267f66ac3fe3e72d453
Copyright registration time
2026-06-07T18:32:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:d3d2dabf139ced06e4945819b41242ca48a8cd3579bc07a3565d9bfa85b7394e

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.