00Platform features

The four things that make a verified resource graph defensible.

Tiered verification, Resource Confidence Score, HSDS v3.0 native, continuous verification cadence. The same four anchors throughout the site, in more depth.

T1 — T4RCSHSDS v3.0Continuous
01Tiered validation

Stricter validation where the consequences of being wrong are highest.

Every facility is classified by the urgency of the most critical service it offers. The classification determines how strictly each field on each record gets validated. A wrong phone number at a crisis center has different consequences than a wrong description on a support group listing. CommonLight reflects that in how the data is verified.

Tier
Urgency
Example services
T1
Immediate
Crisis hotlines, suicide prevention
T2
Acute
Inpatient, detox, psychiatric emergency
T3
Moderate
Outpatient therapy, counseling
T4
Routine
Support groups, information and referral

Tier classification feeds a validation matrix that matches each field to a verification method appropriate to what is at stake. The most consequential fields on the most urgent records receive the most rigorous verification. The least consequential fields on routine records receive automated approval.

02Per-record scoring

Every record carries a score. Programs decide the threshold.

The Resource Confidence Score combines four dimensions into one per-record number: completeness, validity, freshness, and provenance. The score is exposed in the API and sortable at query time.

Closed-loop programs can require a minimum confidence score for any record they act on. Records that fall below threshold are flagged, not deleted. Programs see what is borderline, what is fresh, and what needs re-verification. The score is not a marketing number. It is a diligence input.

Completeness

Are the fields a program needs actually populated?

Validity

Do the values pass structural checks against the schema?

Freshness

How recently was the record verified?

Provenance

What source, what method, and at what tier?

03Schema fidelity

Built on the standard, not retrofitted to it.

HSDS v3.0 is the open data standard for community resource information. CommonLight is built on HSDS v3.0 from the data layer up, with the Org-to-Facility-to-Service hierarchy preserved end to end. Records flow into existing referral pipes that speak HSDS without translation loss.

A single agency with five clinics and twenty programs is represented as one organization, five facilities, and twenty services — every time.

Hierarchical

Org, Facility, and Service relationships preserved across the graph.

Currently live

HSDS v3.0 across nine endpoints.

Compatible

Payloads flow into HSDS-aware referral platforms without translation.

04Cadence

Verified on a schedule, not scraped once and stored.

The data is verified on a defined cadence rather than ingested once and assumed permanent. Records re-enter the verification pipeline based on tier classification, freshness rules, and partner-specific configuration. Diff reports surface what changed, when, and against which source.

Partners receive scoped diffs for the geographies and service categories they care about, on the cadence the SOW defines. The graph is a living record of what is true now, not a snapshot of what was true at ingestion.

CommonLight
CommonLight

The verified resource layer underneath closed-loop referral programs.

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