Proof Models

Evidence Item Record

Evidence items can be represented as source, exhibit, and provenance records. Honesty note: simplified evidence and proof model; jurisdictions and rules vary; the pinned first step states the as-of date; not legal advice.

highlighted = computed this step

Evidence model honesty note

Honesty note: simplified evidence and proof model; jurisdictions and rules vary; as of June 24, 2026; not legal advice; code encodes a stated structural model, not the law itself.

evidence model as of June24,2026\text{evidence model as of }June 24, 2026

Start with the item record

The stated process treats an evidence item as a source, exhibit, jurisdiction, and as-of record. A record label is only review data.

item record before review\text{item record before review}

Example item packet

The toy packet stores photograph, sensor export, and email header rows from a classroom exhibit log.

photo plus sensor plus email header\text{photo plus sensor plus email header}

The table recomputes row support

The retrieval table recomputes 3 records and 3 token-supported rows from the authored source fields.

records=3,support=3\text{records}=3,\quad \text{support}=3

Diagram note

The diagram is a source-record table. It is a provenance pointer for review, not a finding about the item.

record table is review data\text{record table is review data}

Jurisdiction: US; as of 2026-06-24; not legal advice; Code encodes the stated structural model, not the law itself.

Simplified evidence item recordsrowfieldvaluequerytokensitem,source,exhibit,recordquerycount4supportcount3supportabstainFalsescopejurisdictionUS classroom evidence modelscopesource_typeitemrecord photorank2record photomatch4 of 4record photofilterpassrecord photociteToy Evidence Item 1record photosnippetEvidence item source exhibit record photograph sidewalk scene.record sensorrank3record sensormatch4 of 4record sensorfilterpassrecord sensorciteToy Evidence Item 2record sensorsnippetEvidence item source exhibit record sensor export.record emailrank1record emailmatch4 of 4record emailfilterpassrecord emailciteToy Evidence Item 3record emailsnippetEvidence item source exhibit record email header.

Summary

Evidence software should expose the item coordinates before any relevance, authentication, custody, or hearsay review.

coordinates before gates\text{coordinates before gates}