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56,681 columns in the coverage ledger · read from /api/field-coverage on citytap-prod · source last observed Oct 12, 2026, 1:34 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 |
|---|---|---|---|---|---|
| evnt_key EVNT_KEY | Text | Checked, no match | — | value_domain_readtop[8 of 20]={3765424×1; 4237435×1; 4705403×1; 3361802×1} | — |
| reg_plate_num REG_PLATE_NUM | Text | Checked, no match | — | value_domain_readtop[3]={1500-2259×163947; 2300-0659×83004; 0700-1459×51670} | — |
| veh_category VEH_CATEGORY | Text | Understood | category.classification Publisher classification | value_domain_readtop[8 of 10]={CAR/SUV×4928593; MCL×308000; TRUCK/BUS×191856; BIKE×159852; ZZZ×20771; MOPED×16829; EBIKE×14039; ESCOOTER×3034} | — |
| rpt_owning_cmd RPT_OWNING_CMD | Number | Checked, no match | — | value_domain_readtop[8 of 20]={411×205613; 413×182096; 412×178404; 14×166342} | — |
| :@computed_region_efsh_h5xi Zip Codes | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread automatically created in order to record in what polygon from the dataset 'Zip Codes' (efsh-h5xi) the point in column 'location' is located | — |
| chg_law_cd CHG_LAW_CD | Text | Understood | category.classification Publisher classification | value_domain_readtop[8 of 10]={CAR/SUV×4928593; MCL×308000; TRUCK/BUS×191856; BIKE×159852; ZZZ×20771; MOPED×16829; EBIKE×14039; ESCOOTER×3034} | — |
| violation_time VIOLATION_TIME | Text | Checked, no match | — | value_domain_readsmallest=00:00:00 largest=23:59:59 top[8 of 20]={17:00:00×13962; 00:00:00×12883} | — |
| :@computed_region_92fq_4b7q City Council Districts | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread record in what polygon from the dataset 'City Council Districts' (92fq-4b7q) the point in column 'location' is located | — |
| violation_code VIOLATION_CODE | Text | Not enough to tell | — | value_domain_read | — |
| violation_date VIOLATION_DATE | Calendar date | Not enough to tell | — | value_profile | — |
| :@computed_region_f5dn_yrer Community Districts | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread record in what polygon from the dataset 'Community Districts' (f5dn-yrer) the point in column 'location' is located | — |
| :@computed_region_sbqj_enih Police Precincts | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread automatically created in order to record in what polygon from the dataset 'Police Precincts' (sbqj-enih) the point in column 'location' is located | — |
| reg_state_cd REG_STATE_CD | Text | Checked, no match | — | value_domain_readtop[3]={1500-2259×163947; 2300-0659×83004; 0700-1459×51670} | — |
| juris_cd JURIS_CD | Text | Not enough to tell | — | value_domain_read | — |
| city_nm CITY_NM | Text | Checked, no match | — | value_domain_readsmallest=ARMONK largest=STATEN ISLAND top[8 of 10]={BROOKLYN×1602426; QUEENS×1304881} | — |
| x_coord_cd X_COORD_CD | Number | Not enough to tell | — | value_domain_read | — |
| y_coord_cd Y_COORD_CD | Number | Not enough to tell | — | value_domain_read | — |
| location | Point | Understood | geometry.point Point geometry | value_domain_read{'type': 'Point', 'coordinates': [-73.…(clipped)× | — |
| longitude Longitude | Number | Not enough to tell | — | value_domain_read | — |
| latitude Latitude | Number | Not enough to tell | — | value_domain_read | — |
| :@computed_region_yeji_bk3q Borough Boundaries | Number portal artifact | Checked, no match | — | portal_artifact matched by name, unread automatically created in order to record in what polygon from the dataset 'Borough Boundaries' (yeji-bk3q) the point in column 'location' is located | — |