---
title: "LandingOfObservations"
description: "one landing of observations into the tenant plane's gold from what the platform captured and holds: the pages captured whole, and the posts and comments of the corpus tables, each as one observation with its text and its hash, keyed by the row it was made from so a repeat writes nothing"
section: concepts
address: /concepts/landingofobservations
contract: 0476e35e6e275db5
---

# LandingOfObservations

one landing of observations into the tenant plane's gold from what the platform captured and holds: the pages captured whole, and the posts and comments of the corpus tables, each as one observation with its text and its hash, keyed by the row it was made from so a repeat writes nothing

[figure: LandingOfObservations is a work at platform scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | work |
| scope | platform |
| key | the source and the hour |
| store | postgres |
| family | record |



## Fields


| field | type | required | note |
|---|---|---|---|
| `source` | [Source](/concepts/source) | yes |  |
| `read_from` | `text` | yes | the table or the store the observations were read from |
| `rows_read` | `count` | yes |  |
| `observations_written` | `count` | yes |  |
| `already_held` | `count` | yes |  |
| `why_stopped` | `text` | no |  |



## Routes that use it
No route takes or returns LandingOfObservations directly. The record holds it, and the objects that point at it reach it.