Redazione Zero Sections IT ES EN

Updated at 16:30 (Italian time) 19 Sept 2026

How it works

The picture in prose is in “What is Redazione Zero?”. What is Redazione Zero?

How an edition of Redazione Zero comes out Two documentarians search in parallel and blind to each other; the writer writes from the dossier alone; the fact-checker, the second opinion and the automatic checks can block; the editor-in-chief writes the editorial last; then publication, memory and translations. The charter goes in full only into the prompts of who writes and who signs. Uno — documentarian web search, 11 languages Quattro — frontier searches blind Charter goes in full into the prompt of who writes and who signs Due — writer writes from the dossier only Tre — fact-checker compares, can block Second opinion on suspicions, with the web Automatic checks scripts, can block Zero — editor-in-chief editorial last Publication Memory events and threads, not facts Translations English and Spanish
sees the web works only on text already collected can block

Every box opens below

Uno documentarian Can block: No
Sees
  • the web, through search (16 searches per edition, 8 more on column days; 8 and 10 in the two breaking-news passes)
  • the boundaries of the sections and, on column days, the widened search brief
  • in breaking news, the flashes already out in the last hours, so as not to repeat them
  • the instruction to search in the language of the country it writes about (with lingue_fase_2 also Arabic, Chinese, Japanese, Korean) multilingua.istruzione_lingua · on today
  • the list of claims withdrawn by correction, as a negative constraint memoria.iniezione_tre · on today
  • on the follow-up channel, the thread the paper is following — title, last dated fact, open questions follow_up.mattino · on today
Does not see
  • the charter
  • the texts already written
  • previous editions
  • Quattro's stories
  • the memory threads outside the follow-up channel
Produces

a strict-schema JSON dossier, no prose; if the block is unreadable, a redelivery with no new searches; if a section stays under its minimum of stories, a second targeted pass in a fresh context

Can block
No
Model

Anthropic · claude-sonnet-5 (last recorded call on 17 September 2026, 16:31)
newsroom default claude-opus-5; automatic fallback above 95% of the monthly cap claude-sonnet-5

Cost

$607.69 over 570 calls · $1.07 per call · 59.5% of spend
from the ledger, 7 August 2026–17 September 2026

  • of which A · documentarista: $417.15 · 253
  • of which A · follow-up: $160.66 · 283
  • of which A2 · integrazione: $25.36 · 31
  • of which A · seconda occhiata: $4.52 · 3
Rules

The charter does not go into this stage's prompt.

Code
  • scripts/genera_edizione.py#stadio_a_documentarista
  • scripts/genera_edizione.py#stadio_a_integrazione
  • scripts/genera_edizione.py#stadio_a_follow_up
  • scripts/genera_ultimora.py#stadio_a
  • scripts/genera_ultimora.py#stadio_a_seconda_occhiata

repository not yet public

Quattro frontier documentarian Can block: No

controcanto.documentarista_mattino · on today controcanto.documentarista_pomeriggio · on today

Sees
  • the web (up to 12 searches)
  • the list of the paper's sections
  • in the afternoon, the headlines of the morning edition already published — a story already out comes back only as a development controcanto.pomeriggio_vede_il_mattino · on today
Does not see
  • Uno's dossier
  • the charter
  • the editorial memory
  • the texts already written
Produces

up to 6 stories, blind to Uno, plus its own ranking of the three stories it would open with; its stories go through the same path as every other — filter, checks, Tre — and from there on nobody knows any more which documentarian they came from

Can block
No
Model

OpenAI · gpt-5.6-terra (last recorded call on 17 September 2026, 16:31)
fixed, from redazione/config/controcanto.yaml

Cost

$11.65 over 37 calls · $0.31 per call · 1.1% of spend
from the ledger, 7 August 2026–17 September 2026

Rules

The charter does not go into this stage's prompt.

Code
  • scripts/controcanto.py#ricognizione_due

repository not yet public

Due writer Can block: No
Sees
  • the filtered dossier — summaries, facts, quotes, sources with URL and provenance, independent origins — without knowing which documentarian each story came from
  • the whole charter and the manifesto
  • the memory of the last seven editions, that is the archivist's summaries
  • the withdrawals to be dealt with
  • in the afternoon, the whole morning edition
  • on Sundays, the week's readership data and the week's real costs, for the Logbook. They go into the prompt once a week, for that one piece; rule 18 concerns the memory, and they do not enter the memory
  • in breaking news, the round's material, this morning's memory and the recent flashes
  • the memory's ongoing threads, for the callbacks (up to 4000 characters) memoria.iniezione_due · on today
  • the module on translated quotes multilingua.istruzione_lingua · on today
  • on the follow-up channel, the story already told (for callbacks only) and the new material gathered by Uno follow_up.mattino · on today
Does not see
  • the web
  • sources beyond the dossier
  • which documentarian a story came from
Produces

the edition's texts — lead, analyses, Briefs, the day's column, the Logbook on Sundays — and the breaking-news flashes or the declared silence; never the editorial

Can block
No
Model

Anthropic · claude-sonnet-5 (last recorded call on 17 September 2026, 16:31)
newsroom default claude-opus-5; automatic fallback above 95% of the monthly cap claude-sonnet-5

Cost

$101.22 over 329 calls · $0.31 per call · 9.9% of spend
from the ledger, 7 August 2026–17 September 2026

  • of which B · redattore: $93.22 · 242
  • of which follow-up: $8.00 · 87
Rules

All the rules of the charter go in full into this stage's prompt.

Code
  • scripts/genera_edizione.py#stadio_b_redattore
  • scripts/genera_edizione.py#costruisci_system_redattore
  • scripts/genera_edizione.py#genera_follow_up
  • scripts/genera_ultimora.py#stadio_b

repository not yet public

Tre fact-checker Can block: Yes
Sees
  • the text of the piece, up to 14,000 characters
  • the evidence extracts of the stories linked to the piece only — facts and quotes, up to 14,000 characters — not the URLs, not the other stories
  • a clean context, one piece at a time; in breaking news every flash, after the automatic checks
  • the published corrections and the withdrawn claims, for check V4 (in editions only, not in breaking news) memoria.iniezione_tre · on today
Does not see
  • the web
  • the charter
  • the other pieces of the edition
  • the other editions
Produces

a verdict for every claim — mandatory on accusations, numbers, casualties, statements and economic data, sampled on the rest. A negative verdict blocks in those five categories and on withdrawn claims; in breaking news it blocks with no retry

Can block
Yes
Model

Anthropic · claude-sonnet-5 (last recorded call on 17 September 2026, 16:31)
newsroom default claude-opus-5; automatic fallback above 95% of the monthly cap claude-sonnet-5

Cost

$99.33 over 2,108 calls · $0.05 per call · 9.7% of spend
from the ledger, 7 August 2026–17 September 2026

Rules

The charter does not go into this stage's prompt.

Code
  • scripts/genera_edizione.py#stadio_c_verificatore

repository not yet public

second opinion Can block: Yes
Sees
  • a single claim, up to 600 characters, and the reason for suspicion
  • the web, with 3 searches
Does not see
  • the piece
  • the dossier
  • the sources
  • the rest of the edition
When it steps in
  • a claim rejected by Tre in one piece but present in another that passed
  • a lead or analysis whose headline rests on a single-source story
  • at most 6 per edition; never in breaking news
Produces

confirmed, refuted or unverifiable; on refuted or unverifiable the piece is withdrawn before publication; if the checker does not answer, it is published with a notice

Can block
Yes
  • the home voice (Anthropic): Yes
  • the counterpoint (OpenAI): In shadow: it records its verdict, it does not decide — same question and same prompt as the home voice, 3 searches; its verdict is recorded next to the other, with a note when they diverge controcanto.c2_ombra · on today controcanto.c2_vincolante · off today
Model
  • the home voice: Anthropic · claude-sonnet-5 (last recorded call on 17 September 2026, 16:31)
    newsroom default claude-opus-5; automatic fallback above 95% of the monthly cap claude-sonnet-5
  • the counterpoint: OpenAI · gpt-5.6-terra (last recorded call on 17 September 2026, 16:31)
    fixed, from redazione/config/controcanto.yaml
Cost
  • the home voice: $23.21 over 159 calls · $0.15 per call · 2.3% of spend
  • the counterpoint: $4.31 over 69 calls · $0.06 per call · 0.4% of spend
  • from the ledger, 7 August 2026–17 September 2026
Rules

The charter does not go into this stage's prompt.

Code
  • scripts/genera_edizione.py#stadio_c2_secondo_parere
  • scripts/genera_edizione.py#pezzi_da_ricontrollare
  • scripts/controcanto.py#verifica_incrociata
  • scripts/controcanto.py#composizione

repository not yet public

automatic checks Can block: Yes
Sees
  • every generated piece, before publication
  • the dossier, for the allowed URLs and the original quotes
  • Tre's verdicts
  • the corrections
  • the register of state sources
Does not see
  • the web
  • the source pages — it checks that the URLs are the dossier's, it does not open them
  • the merits — it measures what can be counted, and for the rest there is Tre
Produces

pass or block, per piece; then a targeted retry, a replacement piece on another topic, or a shorter edition declared in the editorial

Can block
Yes
Rules

No model, no cost: it is deterministic code.

The checks, one by one:

Code
  • scripts/genera_edizione.py#valida_bloccanti
  • scripts/genera_edizione.py#pota_brevi
  • scripts/genera_ultimora.py#main

repository not yet public

Zero editor-in-chief Can block: No
Sees
  • the whole charter, with the publisher's priorities
  • the inventory of the closed edition — pieces with type and headline, uncovered sections, column and Briefs present or not, discarded pieces with their final outcome
  • the opening of every piece, 900 characters
Does not see
  • the web
  • the dossier
  • the readership data
Produces

the editorial, written last, on the established facts; in the afternoon it says which sections the second edition updated. The editorial is itself under a coherence judge — up to three attempts, then a fixed text goes out in its place

Can block
No
Model

Anthropic · claude-sonnet-5 (last recorded call on 17 September 2026, 16:31)
newsroom default claude-opus-5; automatic fallback above 95% of the monthly cap claude-sonnet-5

Cost

$9.24 over 174 calls · $0.05 per call · 0.9% of spend
from the ledger, 7 August 2026–17 September 2026

  • of which E · editoriale: $7.55 · 91
  • of which E · coerenza editoriale: $1.70 · 83
Rules

All the rules of the charter go in full into this stage's prompt.

Code
  • scripts/genera_edizione.py#stadio_e_editoriale
  • scripts/genera_edizione.py#verifica_coerenza_editoriale

repository not yet public

archivist Can block: No
Sees
  • the final pieces of the edition just written, with declared cuts beyond 9,000 characters per piece and 80,000 in all
  • the headlines of the unused dossier stories
  • the rejections from the validations
Does not see
  • the web
  • the charter
  • the readership data
  • previous editions
Produces

the edition's memory, which Due rereads for seven days; the behind-the-scenes, unpublished; the register of promises

  • for every piece entities, thematic keys, open questions and summary, from which the nightly compaction — a script with no model — builds the threads memoria.scrittura_eventi · on today
Can block
No
Model

Anthropic · claude-sonnet-5 (last recorded call on 17 September 2026, 16:31)
newsroom default claude-opus-5; automatic fallback above 95% of the monthly cap claude-sonnet-5

Cost

$20.50 over 85 calls · $0.24 per call · 2% of spend
from the ledger, 7 August 2026–17 September 2026

Rules

The charter does not go into this stage's prompt.

Code
  • scripts/genera_edizione.py#stadio_d_memoria
  • scripts/memoria_run.py#blocco_estrazione_per_d
  • scripts/memoria_selezione.py#seleziona_fili
  • scripts/memoria_compatta.py#esegui

repository not yet public

translator Can block: No

traduzione.inglese · on today traduzione.spagnolo · on today

Sees
  • the text fields of one published item at a time, in Italian
Does not see
  • the web
  • the dossier
  • the charter
  • the memory
Produces

the English and Spanish twins, with a deterministic check of its own — language, markdown, links — and one redelivery; withdrawn items with a fixed text, no call

Can block
No
Model

Anthropic · claude-sonnet-5 (last recorded call on 17 September 2026, 17:07)
fixed, from redazione/config/traduzione.yaml

Cost

$60.39 over 2,533 calls · $0.02 per call · 5.9% of spend
from the ledger, 7 August 2026–17 September 2026

Rules

The charter does not go into this stage's prompt.

Code
  • scripts/traduci.py#traduci_pezzo
  • scripts/traduzione.py#prompt_sistema
  • scripts/traduzione.py#valida_traduzione

repository not yet public

When something does not pass

A rejected piece does not stop the edition. These steps only run when a check fails; like Due they have the whole charter in the prompt, and they go through every check again.

  • retry — the targeted rewrite of the piece with the list of violations, and the redelivery of Uno's dossier
    $57.66 over 625 calls · $0.09 per call · 5.6% of spend · scripts/genera_edizione.py#rigenera_pezzo
  • sostitutivo — a piece on another topic, when the retry is not enough
    $7.13 over 80 calls · $0.09 per call · 0.7% of spend · scripts/genera_edizione.py#rigenera_pezzo
  • copertura — the analysis a daily section of the morning is missing (rule 13)
    $7.79 over 78 calls · $0.10 per call · 0.8% of spend · scripts/genera_edizione.py#genera_analisi_mancante
  • riempimento — the same thing in the afternoon, on a section the morning already covered
    $5.97 over 71 calls · $0.08 per call · 0.6% of spend · scripts/genera_edizione.py#genera_analisi_mancante
  • recupero — the Briefs or the Logbook redone when they did not arrive
    $2.23 over 11 calls · $0.20 per call · 0.2% of spend · scripts/genera_edizione.py#genera_brevi_mancanti
  • rubrica — the column written on its own — rejected, out of schedule, or requested by the publisher
    $3.14 over 17 calls · $0.18 per call · 0.3% of spend · scripts/genera_edizione.py#genera_rubrica_singola

from the ledger, 7 August 2026–17 September 2026