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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 10, 2026, 9:43 PM
3,026 datasets, 56,681 catalogued fields, 0 of them still unread. Every band below is a share of that, worst first. Open one to see its datasets.
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← What we have understood · Dataset page
Every field decided — Every field carries a verdict — which does not mean every field is understood.
Covered and uncovered alike, in the order the publisher lists them. A field with no verdict is one nobody has looked at yet.
| Field | Type | What we know | Meaning | How it was decided | Shared term |
|---|---|---|---|---|---|
| opportunity_id | Number | Checked, no match | — | value_domain_readsmallest=100 largest=465 top[8 of 20]={117×1; 204×1; 124×1; 172×1; 323×1; 348×1; 383×1; 169×1} | — |
| region | Text | Checked, no match | — | value_profiletop[1]={approved×665} | — |
| nta NTA | Text | Checked, no match | — | value_domain_read | — |
| :@computed_region_92fq_4b7q City Council Districts | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |
| category_desc | Text | Understood | category.classification Publisher classification | value_domain_readtop[4]={General Preventive×107; Family Treatment and Rehabilitation×44; Medically Fragile×6; Intensive Preventive×6} | — |
| status | Text | Checked, no match | — | value_profiletop[1]={approved×665} | — |
| census_tract Census Tract | Number | Checked, no match | — | value_domain_read | — |
| last_modified_date | Text | Not enough to tell | — | value_domain_read | — |
| end_date_date | Text | Not enough to tell | — | value_domain_read | — |
| postalcode Postcode | Number | Checked, no match | — | value_domain_readsmallest=2114 largest=112112 | — |
| amsl | Text | Not enough to tell | — | value_domain_read | — |
| :@computed_region_sbqj_enih Police Precincts | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |
| :@computed_region_efsh_h5xi Zip Codes | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |
| :@computed_region_f5dn_yrer Community Districts | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |
| amsl_unit | Text | Not enough to tell | — | value_domain_read | — |
| content_id | Number | Checked, no match | — | value_domain_readsmallest=100 largest=465 top[8 of 20]={117×1; 204×1; 124×1; 172×1; 323×1; 348×1; 383×1; 169×1} | — |
| locality | Point | Not enough to tell | — | value_domain_read | — |
| primary_loc | Text | Not enough to tell | — | value_domain_read | — |
| longitude Longitude | Number | Understood | geometry.longitude Longitude | value_domain_readsmallest=-74.14319 largest=-73.738669 | — |
| category_id | Number | Understood | category.classification Publisher classification | value_domain_readtop[6]={1×307; 2×119; 3×92; 5×52; 4×32; 6×15} | — |
| community_board Community Board | Number | Checked, no match | — | value_domain_read | — |
| community_council Community Council | Number | Not enough to tell | — | value_domain_read | — |
| vol_requests | Number | Not enough to tell | — | value_domain_read | — |
| title | Text | Checked, no match | — | value_domain_readtop[8 of 20]={Teach Adults and Kids how to Ride Bike…(clipped)×5; Get the tools to volunteer for Recycli…(clipped)×4; Grant Writer×3 | — |
| hits | Number | Not enough to tell | — | value_domain_read | — |
| org_title | Text | Checked, no match | — | value_domain_readtop[8 of 20]={Catchafire×47; New York City Department of Parks & Re…(clipped)×31 | — |
| created_date | Text | Not enough to tell | — | value_domain_read | — |
| org_content_id | Number | Checked, no match | — | value_domain_readsmallest=100 largest=465 top[8 of 20]={117×1; 204×1; 124×1; 172×1; 323×1; 348×1; 383×1; 169×1} | — |
| addresses_count | Number | Not enough to tell | — | value_domain_read | — |
| bin BIN | Number | Understood | place.bin Building Identification Number | operator_cohort matched by name, unread | bin |
| is_priority | Text | Checked, no match | — | value_profiletop[1]={approved×665} | — |
| summary | Text | Understood | text.free_text Free text note | value_domain_readtop[8 of 20]={We are New York City’s largest girls-o…(clipped)×6 | — |
| display_url | Text | Checked, no match | — | value_domain_readsmallest=/opportunities/4952 largest=/opportunities/5782 | — |
| start_date_date | Text | Not enough to tell | — | value_domain_read | — |
| bbl BBL | Number | Checked, no match | — | value_domain_read | — |
| :@computed_region_yeji_bk3q Borough Boundaries | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread | — |
| latitude Latitude | Number | Understood | geometry.latitude Latitude | value_profilesmallest=40.574411 largest=40.877505 | — |
| event_time | Number | Checked, no match | — | value_profiletop[1]={approved×665} | — |
| hours | Number | Checked, no match | — | value_profiletop[3]={0×663; 12×1; 6×1} | — |
| borough Borough | Text | Checked, no match | — | value_domain_read | — |
| recurrence_type | Text | Understood | category.classification Publisher classification | value_domain_readtop[4]={General Preventive×107; Family Treatment and Rehabilitation×44; Medically Fragile×6; Intensive Preventive×6} | — |