Unbelievable

Recording by The Notorious B.I.G..

Recording identifiers

ISRC
USAT21402463
CopyrightID (CopyrightChains transaction hash)
0x2394f5f3444ac57e86d91fe085a8f18368dab7e24c6973c50f8906ade1de92e5
Copyright registration time
2026-06-19T21:36:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:bc558dec178d5466787760bb8376b7b328431ad33b8920f12d195c0d85207752

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.