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Security & privacy

Does signed evidence prove that a claim is true?

3 min read

Signed records can establish attribution and integrity within their verification boundary. They do not automatically establish the truth of a sensor reading, the legal meaning of an asset, or the authority to carry out another operation.

A signature answers a narrower question

A signature can help establish that a statement is associated with the relevant signing authority and has not been altered in a way that defeats the check. It does not inspect the real world on its own. A signed temperature reading could still come from a faulty sensor. A signed document could faithfully preserve an incorrect statement. The useful question is which property was verified, not whether the word “signed” appears beside the record.

Separate origin, integrity, and meaning

Origin concerns where a record came from. Integrity concerns whether it matches the expected material. Meaning concerns what conclusion the record supports in the business process. These properties interact, but they are not interchangeable. A reviewer may need to understand the issuer, measurement method, policy, or surrounding events before accepting the claim. Technical verification provides part of that evidence, not an automatic answer to every operational or legal question.

Use evidence in a proportionate review

Start with the record’s declared scope and supporting links. Ask whether the source is suitable for the decision and whether the information is sufficiently current. If the claim concerns a physical event, identify how that event was observed. If it concerns a permission or policy, identify which version applied. Record any uncertainty rather than stretching the proof beyond its scope. This makes signed evidence more useful because people know exactly which conclusion it supports and which questions remain open.

In plain language

A public record is evidence with a specific scope

An Explorer record is closer to a receipt or an entry in a logbook than to a live control panel. It describes something published about a particular event, object, or process. Some entries include links that let you examine the earlier steps or the underlying transaction. A record can remain useful after it becomes old: it may establish what was recorded at that time. It does not necessarily describe what the system can do now. Look at the record type, network, time, source, and stated verification result together. Missing information means the public view cannot establish that fact; it is not a reason to invent a positive or negative result. Private account records may contain additional context that is deliberately absent from Explorer. This is why a screenshot is a starting point for investigation, while the exact record and its supporting references are much more useful for reaching a conclusion.

In plain language

A policy needs a person responsible for it

A policy is a set of rules about what should be allowed, refused, or reviewed. Software can help apply and record those rules, but someone still needs to decide what they mean for the business. Name the owner of the policy, the people permitted to change it, and the person responsible when an exception occurs. An approval should apply to a clearly identified version or request; otherwise a later change can make an old approval misleading. Keep the technical decision separate from the business decision when they are not the same. For example, a proposal may satisfy a configured limit while still needing a budget owner’s agreement. This is not unnecessary bureaucracy: it lets different teams understand the same result without assuming that another team has completed work that is still outstanding. Start with a small, explicit responsibility map and test the handoffs.

What to do next

Review the source, verification policy, and scope alongside the signature.

Evidence Streams ↗Trust Center ↗