A product of Arcanum

Arcanum documentary

From a proposed answer to documentary evidence.

A documentary retrieval prototype built and evaluated in La máquina que no sabe que no sabe. Its identified collection comprises 70 published books on ETA and its context. The book and annex show how passages are retrieved and connected to a proposed answer.

Work you can inspect

From a question to its sources.

A documentary prototype built and examined in the book. Follow the workflow from a question to the passages, source pages and proposed answer.

Decision
Which claims can an analyst support from an identified collection?
Data
70 published books on ETA and its historical, political and legal context.
Method
Retrieve passages, rerank candidate pages with MiniLM, give twelve pages (K12) to the reader model, then review the proposed answer and its sources.
Visible result
Original screenshots, source pages and short and long reports, with separate review of their added claims.
Inspect the prototype (Spanish) →
Arcanum: proposed answer alongside passages and original source references
Actual application, 14 October 2026. Open the image to read the full original.

Scope of this example. It shows a working documentary workflow, not a client engagement. The annex preserves incorrect statements and pending reviews. It does not establish a general accuracy rate or validate territorial consultancy services.