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Nagarik SignalPublic civic proof
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Nagarik Signal

Public proof for public problems.

Integrity records available

Reviewed evidence, independent checks, and accountable follow-up.

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How it works

A public history built from reviewed evidence

Nagarik Signal keeps private intake, public information, attention signals, official follow-up, and cryptographic integrity in separate layers.

From a private report to a public record

01

Private intake

The image is decoded, resized, stripped of metadata, and held in private storage.

02

Human review

A moderator reviews safety, wording, location, and any required redaction.

03

Public commitment

An approved public version is committed before it becomes publicly visible.

04

Follow-up

Status, corrections, and official routing extend the same ordered public history.

Why Solana

A checkpoint outside the application database

Postgres runs the moderated workflow. Solana holds compact commitments that another party can read and compare without trusting the application database.

Evidence bytes

A reviewed public image is hashed so later changes can be detected independently.

Public record

Canonical issue details produce one versioned metadata commitment without storage URLs.

Approximate place

A coarse location cell is committed while the privately reviewed point stays private.

Ordered history

Deterministic event accounts checkpoint lifecycle, corrections, handoffs, and removal.

Protocol structure
Issue commitment
["issue", protocol, issue_key]
Commitment event
["event", issue, event_id]
Retry safety
Deterministic IDs, expected heads, and durable outbox jobs
Public meaning
Integrity and ordering, not physical truth or official action
Clear boundaries

What each layer means

Lifecycle
The platform's current reviewed state for the issue.
Attention signals
Invited pilot attention, separate from truth and identity.
Official follow-up
External routing or receipt only when an actual reference exists.
Integrity check
Whether public bytes and metadata still match the recorded commitment.
Privacy and safety

Public infrastructure, with private intake by default

Reviewed mediaOriginal uploads are private. Only an approved derivative can become public.
Coarse public locationThe public map shows an area instead of a reporter's exact point.
Non-emergency scopeImmediate danger still belongs with emergency and responsible local services.

Open the public record

Inspect the evidence, history, location boundary, and integrity check together.

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