---
slug: cyrus-linkedin-post-7523898314858188800
title: "This post exists in #marincounty"
kind: social_post
status: published
hash: a9b1e7d4891e738b8ab0b87839b901182efc3fe80e966222c722bb7e6f76864b
created: 2026-11-05T00:24:58.196Z
updated: 2026-11-05T00:24:58.196Z
summary: ""
tags: ["social-post","post:linkedin","hashtag:marincounty"]
above: []
below: []
adjacent: []
nested: []
---
# This post exists in #marincounty

```widget
{
  "type": "entity",
  "ref": "#"
}
```

## Facts

```json
{
  "widget": "social_post",
  "platform": "linkedin",
  "platform_id": "7523898314858188800",
  "url": "https://www.linkedin.com/feed/update/urn:li:activity:7523898314858188800/",
  "text": "This post exists in #marincounty",
  "account_ref": "cyrus-massoumi-linkedin",
  "author_name": "Cyrus Massoumi",
  "handle": "massoumicyrus",
  "author_headline": "Open Weights & Open Hearts",
  "published_at": "2026-11-05T00:05:45.533Z",
  "timestamp_precision": "derived-millisecond",
  "timestamp_basis": "Derived from the observed activity ID (integer shifted right 22 bits); consistent with the visible relative time and supplied screenshot",
  "observed_at": "2026-11-05T00:22:13.412Z",
  "relations": [
    {
      "ref": "cyrus-massoumi-linkedin",
      "predicate": "posted_by",
      "label": "Author account",
      "evidence": {
        "type": "source_observation",
        "url": "https://www.linkedin.com/feed/update/urn:li:activity:7523898314858188800/",
        "quote": "This post exists in #marincounty",
        "observed_at": "2026-11-05T00:22:13.412Z"
      }
    },
    {
      "ref": "hashtag-marincounty",
      "predicate": "has_hashtag",
      "label": "#marincounty",
      "evidence": {
        "type": "source_observation",
        "url": "https://www.linkedin.com/feed/update/urn:li:activity:7523898314858188800/",
        "quote": "#marincounty",
        "observed_at": "2026-11-05T00:22:13.412Z"
      }
    }
  ]
}
```

## Sources

1. [linkedin post](https://www.linkedin.com/feed/update/urn:li:activity:7523898314858188800/) — “This post exists in #marincounty” (sha256 7087740aa9ad6287)
