Things Done Changed

Recording by The Notorious B.I.G..

Recording identifiers

ISRC
USBB40580806
CopyrightID (CopyrightChains transaction hash)
0x793a87cb06dbb30e190bbe2d6e84b1bf7f5fe45583569b6852b8af5aec1e96f5
Copyright registration time
2026-06-04T08:18:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:cfb554a9d4cd48117e6200c29a2c250da39229de23a7b19e560cdeb2fa15b115

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.