Ex-Factor

Recording by Ms. Lauryn Hill.

Recording identifiers

ISRC
USSM19803104
CopyrightID (CopyrightChains transaction hash)
0xea7fe4d17f52447660426e3fddf5ef8eeffd367e8acbb9fc43541eeb3d8bfb08
Copyright registration time
2026-06-06T22:37:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T00:59:02Z
Bitcoin block
957118
Canonical record hash
sha256:3edc4c72fe7b1d5294939b9e3931df9114f6028823cef070c4c8d6af73f5a550

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.