# Daypart OS · Daypart

> The operating system behind every Daypart investigation. Sources, methods, and findings in one auditable environment where the answer holds up.

Source: https://daypart.ai/daypart-os

Daypart Research OS

## The operating system behind every Daypart investigation.

Sources, methods, and findings in one auditable environment. From first capture to final conclusion, the record stays connected, so the answer holds up when it is challenged.

[See the knowledge graph →](https://daypart.ai/knowledge-graph)
Trace a finding ↓

SEALED

Isolated capsules

One matter, one environment. Client login, nothing shared by default.

CAPTURED

Automatic provenance

Every artifact hashed and timestamped the moment it enters.

AGENTIC

Work in the open

Visible tool use, human approval on plans, ask instead of guess.

TRACEABLE

Finding to source

Any conclusion opens backward into the evidence behind it.

01 · The provenance graph PROJECT-SPECIFIC · HOW A FINDING WAS REACHED

The signature behavior of the OS: a conclusion can be opened backward into the record behind it. Click any stage to walk from the finding to the original evidence.

FINDING · F-214

Delivery claim overstates in-market impressions by 31.4%.

→

CLAIM → OBSERVATION

Replay of 41,802 impressions shows out-of-market delivery.

→

TRANSFORMATION

Geo-resolution method applied. Steps visible and re-runnable.

SOURCE delivery_logs.csv · 1,204 rows SHA-256 LOCKED

TRACE ↑ FINDING TO SOURCE · EVERY STEP RETAINED

Evidence viewer

cookie_sync.csv READ-ONLY

ts partner domain

14:03:02 adx.example adx.example

14:03:03 adx.example shell-a.example

14:03:05 trade.example shell-a.example

3 of 1,204 rows · tampering breaks the hash

Agent inbox

Needs your call · 2m

What is this file for?

unknown_download_47.pdf landed during the replay but matches no capture. The agent asks instead of guessing, and remembers your answer.

FILE IT & REMEMBER MARK AS NOISE

Contradiction flagging

"Delivery guaranteed within contracted DMAs."

● CONTRADICTED 31.4% out-of-market

"Premium residential inventory, directly sourced."

● OPEN routes through a shell ASN

"Reported volume reflects delivered volume."

● SUPPORTED replay matches logs

02 · Delivery & archive

### What leaves the capsule is a client-ready packet, not a data dump.

Findings, implications, and the evidence views that support them, assembled for the decision at hand. When the matter closes, the environment is sealed and archived, and can be restored intact if the question comes back.

✓ Findings linked to the evidence behind them.

✓ Contradictions and open questions kept on the record.

✓ Sealed on close · restorable on demand.

CLIENT PACKET · MATTER 0442 SEALED

In-market delivery overstated; two vendors route through a shared shell.

FINDINGS 6 · ALL TRACED

EVIDENCE ITEMS 148 · HASHED

CONTRADICTIONS RETAINED 3

### The instrument is ours. The evidence is yours.

Every engagement runs on the OS. See what it produces.

[Start an Investigation →](https://daypart.ai/contact)
[The knowledge graph →](https://daypart.ai/knowledge-graph)