Bac Up Off Me

Recording by Onyx.

Recording identifiers

ISRC
USKO12200248
CopyrightID (CopyrightChains transaction hash)
0x49324784b0c5ba1747f0523828823c598c9d99a8ad7a77c5275f863937867326
Copyright registration time
2026-07-07T02:01:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:74c3b21f2bb46151bc90fb6edb1664a42341eafb47e6d21f776781f3552c9a6b

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.