{"change_history":[{"change_event_id":"EV-CHG-0057-010","change_type":"ADD","changed_claim_ids":["EVI-INST-0019"],"new_state":"UNAVAILABLE actual-host header record","previous_state":"Host headers not separately indexed","public_explanation":"Final response headers require a later authorized host observation.","reason":"Expose unavailable actual-host header evidence instead of substituting source configuration.","release":"2.0.0-rc.57-WIP","review_boundary":"Build environment and public retrieval channel","source_record":"docs/ACTUAL_HOST_INSTITUTIONAL_EVIDENCE_RC57.json","supersedes_event_id":null}],"record":{"change_event_id":"EV-CHG-0057-010","claim_class":"ACTUAL_HOST_OBSERVATION","claim_id":"EVI-INST-0019","claim_text":"The build environment could not collect final public response headers or content-security-policy values from the actual host.","claim_title":"Actual-host response headers remain unavailable","institutional_page":"security","known_defeaters":["A later authorized HTTP probe or server-owned evidence route could establish final values."],"last_reviewed":"2026-08-13T00:47:38Z","limitations":["Source header logic remains separately inspectable but is not a substitute for final public responses."],"observation_environment":"Build container and public web retrieval","observation_time":"2026-08-13T00:47:38Z","public_record_url":"https://evulgare.com/institutional/evidence/EVI-INST-0019/","scope":"Actual-host header evidence for Institutional routes","source_digest":"f181b06cd826007f4dc94bc341c783d1dee23c31f139816f2de44ce5b82484ef","source_path_or_public_url":"docs/ACTUAL_HOST_INSTITUTIONAL_EVIDENCE_RC57.json","source_release":"2.0.0-rc.56-WIP","source_type":"ACTUAL_HOST_OBSERVATION_RECORD","status":"UNAVAILABLE","superseded_by":[],"supersedes":[],"verification_method":"Attempted unauthenticated host observation","verification_result":"Build-container DNS unavailable; web retrieval did not expose raw headers"},"schema":"evulgare.institutional-evidence-record.v1","truth_boundary":"Record integrity and source identity do not establish factual truth beyond the declared scope."}