The Mob Rules

Recording by Black Sabbath.

Recording identifiers

ISRC
GBUM70900389
CopyrightID (CopyrightChains transaction hash)
0x2f29dae1ac28d2f8f727b0f49da3bac2a33992efe54fcf8b3d001a18331cf4f3
Copyright registration time
2026-06-04T14:16:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:c4cfb2232694888860be49ed89576d286b32204f997a7508e7bb4364158591f9

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.