# Peru construction works notebooks

## Source
- **URL**: https://osce-gob-pe.atlassian.net/wiki/spaces/PNDA/pages/106889274
- **Institution**: OSCE / OECE, Peru
- **Data**: A works notebook and contractor membership record.
- **Coverage**: Published construction notebooks associated with legal-entity contractors/consortium members.

## How it works
A works notebook and contractor membership record.

Lookup by ruc_contratista as a string, preserving leading zeros. Accepted syntax and normalization are defined by the contract below.
Pattern: `^\d{11}$`. Normalization: `none declared`.

Cardinality: many. Update schedule: monthly.
Import time is not government observation time. No record observation field is declared; do not substitute incorporation or registration dates.

## Fields
| Field | Transport type | Meaning | Unit / format | Empty values |
|---|---|---|---|---|
| contrato_id | string | OSCE contract identifier. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| razon_social_contratista | string | Registered name of the principal contractor. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| ruc_entidad | string | RUC of the contracting public entity. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| razon_social_entidad | string | Name of the contracting public entity. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| denominacion_obra | string | Published works description. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| cuaderno_id | string | Works-notebook UUID. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| ubigeo | string | Six-digit INEI district code; retain leading zeros. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| descripcion_ubigeo | string | Published district description. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| es_consorcio | string | Si/No: whether a consortium executes the contract. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| ruc_miembro | string | Legal-entity RUC of a consortium member; natural-person RUCs are excluded. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |
| nombre_miembro | string | Registered consortium-member name. | not applicable | Not supplied. Do not interpret as zero or a negative finding. |

## Known issues
- Repeated rows can describe consortium membership; they are not independent contracts.
- Missing records do not establish clearance. Unavailable sources must be reported separately.

## Attribution and reuse
Source: OSCE / OECE, Peru. https://osce-gob-pe.atlassian.net/wiki/spaces/PNDA/pages/106889274.
License: No source-specific reuse license verified in this contract. (not_verified). No reuse license verified; public access does not establish unrestricted reuse rights.

## Value domains



## Contract
- Contract fingerprint: `c9ae9beb59868f5efd8c9d1bab1a5780641a900634a4326fa81f9beb66f95f74`.
- Schemas and example requests: https://latinfo.dev/reference/openapi.json
- Live availability and freshness: https://api.latinfo.dev/sources