The Ultimate Sin

Recording by Ozzy Osbourne.

Recording identifiers

ISRC
USSM18600031
CopyrightID (CopyrightChains transaction hash)
0x58faa6cce35852810636406531adc15e0d08246e4c6e138766bdd11e6ed44b75
Copyright registration time
2026-06-04T07:36:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:b70251a4c72aa9ac8db0cea55a3b827b780af1aafbcf8fd4469f3d21ea214000

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.