{
    "as_of": "2026-10-31T03:20:36+00:00",
    "corpus_total": 21,
    "company_filter": "Mattermost",
    "summary": {
        "unique_role_keys": 12,
        "clustered_role_keys": 7,
        "total_reposts": 9,
        "repost_pct": 42.9,
        "tier_breakdown": {
            "duplicate": 5,
            "persistent": 2,
            "chronic": 0
        }
    },
    "top_clusters": [
        {
            "title": "Senior Full Stack Engineer",
            "company": "mattermost",
            "count": 3,
            "first_seen": "2026-08-07T18:24:44+00:00",
            "last_seen": "2026-10-11T05:59:13+00:00",
            "tier": "persistent"
        },
        {
            "title": "Staff Full Stack Engineer",
            "company": "mattermost",
            "count": 3,
            "first_seen": "2026-08-26T18:39:44+00:00",
            "last_seen": "2026-10-22T09:20:22+00:00",
            "tier": "persistent"
        },
        {
            "title": "GRC Manager",
            "company": "mattermost",
            "count": 2,
            "first_seen": "2026-07-02T18:04:35+00:00",
            "last_seen": "2026-10-17T04:05:08+00:00",
            "tier": "duplicate"
        },
        {
            "title": "Technical Sales Engineer/ Lead ",
            "company": "mattermost",
            "count": 2,
            "first_seen": "2026-08-06T16:42:30+00:00",
            "last_seen": "2026-10-24T17:13:37+00:00",
            "tier": "duplicate"
        },
        {
            "title": "Senior Mobile Engineer ",
            "company": "mattermost",
            "count": 2,
            "first_seen": "2026-09-11T16:22:24+00:00",
            "last_seen": "2026-10-11T05:59:14+00:00",
            "tier": "duplicate"
        },
        {
            "title": "Senior Technical Account Manager (Federal)",
            "company": "mattermost",
            "count": 2,
            "first_seen": "2026-09-11T21:12:31+00:00",
            "last_seen": "2026-10-22T09:20:20+00:00",
            "tier": "duplicate"
        },
        {
            "title": "Account Manager - Federal",
            "company": "mattermost",
            "count": 2,
            "first_seen": "2026-09-15T16:04:27+00:00",
            "last_seen": "2026-10-17T04:05:06+00:00",
            "tier": "duplicate"
        }
    ],
    "docs": "https://remnavi.com/editorial/ghost-jobs/",
    "methodology_note": "Clusters are jobs sharing a normalised (title, company) key. A cluster of N listings counts (N-1) as reposts. This is an observation, not a verdict \u2013 some duplicates are legitimate cross-team or cross-region postings of the same role."
}