What does an intact evidence chain actually establish?
Record a trusted starting digest separately. Compare content alteration, chain recomputation and an untrusted original claim.
Compare the supplied starting claim with the independently recorded trusted claim before examining a chain.
Cut these cards apart. Use the original example first, then let a partner supply a changed case. Keep sealed/final cards with the teacher until the learner commits a rule.
Source claim: The fictional ticket costs eight.
Trusted starting claim: The fictional ticket costs eight.
My prediction and reason:
Source claim: The fictional ticket costs ten.
Trusted starting claim: The fictional ticket costs eight.
My prediction and reason:
This comparison illustrates a trust anchor. It is not a digital signature or proof the trusted claim is true.