Hold Ya Head

Recording by The Notorious B.I.G..

Recording identifiers

ISRC
USAT21402367
CopyrightID (CopyrightChains transaction hash)
0xbd35e7e17b2a7065b4be8b751fdf81a3449030e8fee501ed3b8d5de1f46663ad
Copyright registration time
2026-06-08T13:33:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:73a4f445efe45199fd7df85d8d22de4ec693a6ccedddbdaf02f01e01cedfc6fa

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.