{"system":"GoGuides Change Intelligence","capability_id":"goguides.change_intelligence","api_version":"change-v1","scope":"domain_root_change_intelligence","domain":"cranfield.ac.uk","classification_method":"deterministic_ruleset","classification_version":"change-v1","license":"https://www.goguides.com/data-license","license_version":"2.0","status":"observed","change_state":"changed","public_eligible":true,"tracked_url":"https://cranfield.ac.uk/","tracked_url_scope":"domain_root","root_selection_method":"central_domain_authority_root_precedence_v1","comparison_scope":"consecutive_stored_states_of_same_authoritative_root_url","history":{"observations_loaded":3,"change_events_returned":2,"limit":25,"first_loaded_at":"2026-08-23 23:38:19","last_loaded_at":"2026-09-19 21:15:05"},"current_observation":{"id":13701711,"timestamp_used":"2026-09-19 21:15:05","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-19 21:15:05","last_observed_at":"2026-09-19 21:15:05","observation_count":1},"latest_change":{"previous_observation":{"id":7695556,"timestamp_used":"2026-09-07 09:05:06","timestamp_basis":"last_observed_at","first_observed_at":"2026-08-24 23:39:19","last_observed_at":"2026-09-07 09:05:06","observation_count":3},"current_observation":{"id":13701711,"timestamp_used":"2026-09-19 21:15:05","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-19 21:15:05","last_observed_at":"2026-09-19 21:15:05","observation_count":1},"state":"changed","observation_gap":{"detected":false,"reason":null},"change":{"detected":true,"flags":{"text_changed":true,"structured_data_changed":null,"schema_type_mask_changed":false,"headers_changed":false,"word_count_changed":true,"internal_link_count_changed":true,"external_link_count_changed":true,"outbound_links_changed":true,"ai_policy_mask_changed":false,"canonical_url_changed":null,"final_url_changed":false,"http_status_changed":false,"publisher_declaration_changed":null},"magnitude":{"text_simhash_hamming_distance":4,"word_count_delta":-3,"internal_link_count_delta":1,"external_link_count_delta":-1}},"before":{"requested_url":"https://cranfield.ac.uk/","final_url":"https://www.cranfield.ac.uk/","canonical_url":null,"http_status":200,"text_simhash":"3340063696158384931","text_simhash_hex":"2E5A4A3C38B2E323","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"bdf45413d474a6a0cf4a73df91068fe0db9527338f36d61aec4e9f8f74e11b6d","word_count":287,"internal_link_count":115,"external_link_count":14,"outbound_links_sha256":"985c8ceeb7cee00d9a4fb59fedfff64c8efe2e8490516504795d8f2db22c98a2","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://cranfield.ac.uk/","final_url":"https://www.cranfield.ac.uk/","canonical_url":null,"http_status":200,"text_simhash":"2619522940167971619","text_simhash_hex":"245A6A3C39B2E323","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"bdf45413d474a6a0cf4a73df91068fe0db9527338f36d61aec4e9f8f74e11b6d","word_count":284,"internal_link_count":116,"external_link_count":13,"outbound_links_sha256":"4056cbe117783039b2bb9234ec60879a24e32105b10760ba135e3925bc58410c","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"compatibility":{"refresh_recommended":true,"refresh_reason":["text_changed","outbound_links_changed"]},"classification_method":"deterministic_ruleset","classification_version":"change-v1"},"events":[{"previous_observation":{"id":7695556,"timestamp_used":"2026-09-07 09:05:06","timestamp_basis":"last_observed_at","first_observed_at":"2026-08-24 23:39:19","last_observed_at":"2026-09-07 09:05:06","observation_count":3},"current_observation":{"id":13701711,"timestamp_used":"2026-09-19 21:15:05","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-19 21:15:05","last_observed_at":"2026-09-19 21:15:05","observation_count":1},"state":"changed","observation_gap":{"detected":false,"reason":null},"change":{"detected":true,"flags":{"text_changed":true,"structured_data_changed":null,"schema_type_mask_changed":false,"headers_changed":false,"word_count_changed":true,"internal_link_count_changed":true,"external_link_count_changed":true,"outbound_links_changed":true,"ai_policy_mask_changed":false,"canonical_url_changed":null,"final_url_changed":false,"http_status_changed":false,"publisher_declaration_changed":null},"magnitude":{"text_simhash_hamming_distance":4,"word_count_delta":-3,"internal_link_count_delta":1,"external_link_count_delta":-1}},"before":{"requested_url":"https://cranfield.ac.uk/","final_url":"https://www.cranfield.ac.uk/","canonical_url":null,"http_status":200,"text_simhash":"3340063696158384931","text_simhash_hex":"2E5A4A3C38B2E323","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"bdf45413d474a6a0cf4a73df91068fe0db9527338f36d61aec4e9f8f74e11b6d","word_count":287,"internal_link_count":115,"external_link_count":14,"outbound_links_sha256":"985c8ceeb7cee00d9a4fb59fedfff64c8efe2e8490516504795d8f2db22c98a2","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://cranfield.ac.uk/","final_url":"https://www.cranfield.ac.uk/","canonical_url":null,"http_status":200,"text_simhash":"2619522940167971619","text_simhash_hex":"245A6A3C39B2E323","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"bdf45413d474a6a0cf4a73df91068fe0db9527338f36d61aec4e9f8f74e11b6d","word_count":284,"internal_link_count":116,"external_link_count":13,"outbound_links_sha256":"4056cbe117783039b2bb9234ec60879a24e32105b10760ba135e3925bc58410c","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"compatibility":{"refresh_recommended":true,"refresh_reason":["text_changed","outbound_links_changed"]},"classification_method":"deterministic_ruleset","classification_version":"change-v1"},{"previous_observation":{"id":6847585,"timestamp_used":"2026-08-23 23:38:19","timestamp_basis":"last_observed_at","first_observed_at":"2026-08-23 23:38:19","last_observed_at":"2026-08-23 23:38:19","observation_count":1},"current_observation":{"id":7695556,"timestamp_used":"2026-09-07 09:05:06","timestamp_basis":"last_observed_at","first_observed_at":"2026-08-24 23:39:19","last_observed_at":"2026-09-07 09:05:06","observation_count":3},"state":"changed","observation_gap":{"detected":false,"reason":null},"change":{"detected":true,"flags":{"text_changed":true,"structured_data_changed":null,"schema_type_mask_changed":false,"headers_changed":false,"word_count_changed":true,"internal_link_count_changed":false,"external_link_count_changed":true,"outbound_links_changed":true,"ai_policy_mask_changed":false,"canonical_url_changed":null,"final_url_changed":false,"http_status_changed":false,"publisher_declaration_changed":null},"magnitude":{"text_simhash_hamming_distance":6,"word_count_delta":30,"internal_link_count_delta":0,"external_link_count_delta":1}},"before":{"requested_url":"https://cranfield.ac.uk/","final_url":"https://www.cranfield.ac.uk/","canonical_url":null,"http_status":200,"text_simhash":"3195981502021558819","text_simhash_hex":"2C5A683E38B6E223","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"bdf45413d474a6a0cf4a73df91068fe0db9527338f36d61aec4e9f8f74e11b6d","word_count":257,"internal_link_count":115,"external_link_count":13,"outbound_links_sha256":"2b49cf5b63a9ace56c69ba255c4baf5c0f9a7d33ecfb8119e347f451396f43d6","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://cranfield.ac.uk/","final_url":"https://www.cranfield.ac.uk/","canonical_url":null,"http_status":200,"text_simhash":"3340063696158384931","text_simhash_hex":"2E5A4A3C38B2E323","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"bdf45413d474a6a0cf4a73df91068fe0db9527338f36d61aec4e9f8f74e11b6d","word_count":287,"internal_link_count":115,"external_link_count":14,"outbound_links_sha256":"985c8ceeb7cee00d9a4fb59fedfff64c8efe2e8490516504795d8f2db22c98a2","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"compatibility":{"refresh_recommended":true,"refresh_reason":["text_changed","outbound_links_changed"]},"classification_method":"deterministic_ruleset","classification_version":"change-v1"}],"semantics":{"state_changed":"At least one deterministic stored field changed and the compared observation windows do not overlap.","state_unchanged":"No available deterministic compared field changed and the compared observation windows do not overlap.","state_unknown":"No deterministic comparison can be established from the available stored fields.","state_insufficient_history":"Fewer than two distinct stored root-state rows are available for a comparison pair.","state_observation_gap":"Stored state windows overlap or recur, so chronological adjacency cannot be proved even though mechanical field measurements are still returned.","text_simhash_hamming_distance":"Mechanical 64-bit Hamming distance between stored text simhash values; 0 through 64.","count_delta":"Current stored numeric count minus previous stored numeric count.","hash_change":"Equality/difference only; no unsupported distance metric is invented for cryptographic hashes.","publisher_declaration_changed":"Compared only when explicitly named declaration/self-claim data exists in stored evidence_json; otherwise null.","materiality":"No major/minor/material rewrite label is assigned by change-v1."},"links":{"self":"https://www.goguides.com/changes/cranfield.ac.uk","state":"https://www.goguides.com/state/cranfield.ac.uk","evaluate":"https://www.goguides.com/evaluate/cranfield.ac.uk","history":"https://www.goguides.com/history/cranfield.ac.uk"},"ts_utc":"2026-10-03T23:59:56Z"}