---
title: "Get Proposition Lineage"
method: GET
path: "/api/admin/substrate/proposition/{proposition_id}/lineage"
tags: ["admin-substrate"]
---

# Get Proposition Lineage

`GET /api/admin/substrate/proposition/{proposition_id}/lineage`

## Request

- Base URL: `https://app.thinqos.com` (the document declares no server; this is the origin it was published from)
- URL: `https://app.thinqos.com/api/admin/substrate/proposition/{proposition_id}/lineage`
- Auth: none declared

## Path parameters

- `proposition_id` string, uuid, required

## Response `200`

Successful Response

- PropositionLineage
  - `proposition` PropositionDetail, required
    - `id` string, uuid, required
    - `claim_key` string, nullable, required
    - `summary` string, required
    - `source` string, required
    - `predicate` string, nullable, required
    - `subject_entity_id` string, uuid, nullable, required
    - `object_entity_id` string, uuid, nullable, required
    - `created_at` string, date-time, required
    - `has_embedding` boolean, required
  - `timeline` LineageEvent[], required
    - `seq` integer, required
    - `kind` string, required
    - `extractor_ver` string, required
    - `created_at` string, date-time, required
    - `invalidated_at` string, date-time, nullable, required
    - `window_seq` integer, required
    - `chat_id` string, uuid, nullable, required
    - `chat_title` string, nullable, required
  - `evaluations` MindEvalRow[], required
    - `mind_id` string, uuid, required
    - `evaluation_id` string, uuid, required
    - `mind_identity_name` string, required
    - `confidence` number, required
    - `salience` number, required
    - `valence` number, required
    - `protection_level` string, required
    - `lifecycle_status` string, required
    - `reinforcement_count` integer, required
    - `last_reinforced_at` string, date-time, required
  - `relations` RelationRow[], required
    - `type` string, required
    - `weight` number, required
    - `other_proposition_id` string, uuid, required
    - `other_summary` string, required
  - `structured_partial` boolean, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/thinqos/apis/thinqos-api.md) · [All operations](https://skmtc.dev/thinqos/apis/thinqos-api/llms.txt) · [OpenAPI document](https://skmtc.dev/thinqos/apis/thinqos-api/revisions/5fdd1072e877?raw)