Tuff Times (feat. Bosko & Netta B)

Recording by E-40.

Recording identifiers

ISRC
US4KV1100040
CopyrightID (CopyrightChains transaction hash)
0xb1c6fe981b1ae1ac628de453f45fbd75c7ef4a1403f93ce1f8e0c9b5be06702a
Copyright registration time
2026-06-24T06:02:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:416edec4296904f8dbeb437cac21f2d590d11493a1503eb30d3ac38b0dfa00e3

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.