The Mob Rules (2021 Mix)

Recording by Black Sabbath.

Recording identifiers

ISRC
GB5KW2203560
CopyrightID (CopyrightChains transaction hash)
0x1eeacc0a9dd78b9a092f7e80b613763d4f2011f06cab66052b9095fa5a2cc988
Copyright registration time
2026-06-11T01:22:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:92f99328d227d38633caa63d782448f0aefb51ce288e60eb3295d6df668c90ae

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.