{"system":"GoGuides Change Intelligence","capability_id":"goguides.change_intelligence","api_version":"change-v1","scope":"domain_root_change_intelligence","domain":"vitae.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":"unchanged","public_eligible":true,"tracked_url":"https://vitae.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":"2026-08-24 15:54:19","last_loaded_at":"2026-09-28 14:52:04"},"current_observation":{"id":14936341,"timestamp_used":"2026-09-28 14:52:04","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-28 14:52:04","last_observed_at":"2026-09-28 14:52:04","observation_count":1},"latest_change":{"previous_observation":{"id":14814058,"timestamp_used":"2026-09-27 14:43:09","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-27 14:43:09","last_observed_at":"2026-09-27 14:43:09","observation_count":1},"current_observation":{"id":14936341,"timestamp_used":"2026-09-28 14:52:04","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-28 14:52:04","last_observed_at":"2026-09-28 14:52:04","observation_count":1},"state":"unchanged","observation_gap":{"detected":false,"reason":null},"change":{"detected":false,"flags":{"text_changed":false,"structured_data_changed":false,"schema_type_mask_changed":false,"headers_changed":false,"word_count_changed":false,"internal_link_count_changed":false,"external_link_count_changed":false,"outbound_links_changed":false,"ai_policy_mask_changed":false,"canonical_url_changed":false,"final_url_changed":false,"http_status_changed":false,"publisher_declaration_changed":null},"magnitude":{"text_simhash_hamming_distance":0,"word_count_delta":0,"internal_link_count_delta":0,"external_link_count_delta":0}},"before":{"requested_url":"https://vitae.ac.uk/","final_url":"https://vitae.ac.uk/","canonical_url":"https://vitae.ac.uk/","http_status":200,"text_simhash":"4475250767432184498","text_simhash_hex":"3E1B48DCB196F2B2","structured_data_sha256":"b520da084fc4385fcd11c14446b0f5a9600942327cd91fbd0a54d1461f46e331","schema_type_mask":"135174","headers_sha256":"4510e8df52a28524061c696f3ecaf0f17e90dc58c0e5eb80f2361b8f4cfa80a6","word_count":357,"internal_link_count":90,"external_link_count":5,"outbound_links_sha256":"f16f63ecf2b2c2ccc27b4069c0bd61a97797ec86a5a588b0cc1bc0703cde3f0b","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://vitae.ac.uk/","final_url":"https://vitae.ac.uk/","canonical_url":"https://vitae.ac.uk/","http_status":200,"text_simhash":"4475250767432184498","text_simhash_hex":"3E1B48DCB196F2B2","structured_data_sha256":"b520da084fc4385fcd11c14446b0f5a9600942327cd91fbd0a54d1461f46e331","schema_type_mask":"135174","headers_sha256":"4510e8df52a28524061c696f3ecaf0f17e90dc58c0e5eb80f2361b8f4cfa80a6","word_count":357,"internal_link_count":90,"external_link_count":5,"outbound_links_sha256":"f16f63ecf2b2c2ccc27b4069c0bd61a97797ec86a5a588b0cc1bc0703cde3f0b","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"compatibility":{"refresh_recommended":false,"refresh_reason":[]},"classification_method":"deterministic_ruleset","classification_version":"change-v1"},"events":[{"previous_observation":{"id":14814058,"timestamp_used":"2026-09-27 14:43:09","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-27 14:43:09","last_observed_at":"2026-09-27 14:43:09","observation_count":1},"current_observation":{"id":14936341,"timestamp_used":"2026-09-28 14:52:04","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-28 14:52:04","last_observed_at":"2026-09-28 14:52:04","observation_count":1},"state":"unchanged","observation_gap":{"detected":false,"reason":null},"change":{"detected":false,"flags":{"text_changed":false,"structured_data_changed":false,"schema_type_mask_changed":false,"headers_changed":false,"word_count_changed":false,"internal_link_count_changed":false,"external_link_count_changed":false,"outbound_links_changed":false,"ai_policy_mask_changed":false,"canonical_url_changed":false,"final_url_changed":false,"http_status_changed":false,"publisher_declaration_changed":null},"magnitude":{"text_simhash_hamming_distance":0,"word_count_delta":0,"internal_link_count_delta":0,"external_link_count_delta":0}},"before":{"requested_url":"https://vitae.ac.uk/","final_url":"https://vitae.ac.uk/","canonical_url":"https://vitae.ac.uk/","http_status":200,"text_simhash":"4475250767432184498","text_simhash_hex":"3E1B48DCB196F2B2","structured_data_sha256":"b520da084fc4385fcd11c14446b0f5a9600942327cd91fbd0a54d1461f46e331","schema_type_mask":"135174","headers_sha256":"4510e8df52a28524061c696f3ecaf0f17e90dc58c0e5eb80f2361b8f4cfa80a6","word_count":357,"internal_link_count":90,"external_link_count":5,"outbound_links_sha256":"f16f63ecf2b2c2ccc27b4069c0bd61a97797ec86a5a588b0cc1bc0703cde3f0b","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://vitae.ac.uk/","final_url":"https://vitae.ac.uk/","canonical_url":"https://vitae.ac.uk/","http_status":200,"text_simhash":"4475250767432184498","text_simhash_hex":"3E1B48DCB196F2B2","structured_data_sha256":"b520da084fc4385fcd11c14446b0f5a9600942327cd91fbd0a54d1461f46e331","schema_type_mask":"135174","headers_sha256":"4510e8df52a28524061c696f3ecaf0f17e90dc58c0e5eb80f2361b8f4cfa80a6","word_count":357,"internal_link_count":90,"external_link_count":5,"outbound_links_sha256":"f16f63ecf2b2c2ccc27b4069c0bd61a97797ec86a5a588b0cc1bc0703cde3f0b","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"compatibility":{"refresh_recommended":false,"refresh_reason":[]},"classification_method":"deterministic_ruleset","classification_version":"change-v1"},{"previous_observation":{"id":7405749,"timestamp_used":"2026-08-24 15:54:19","timestamp_basis":"last_observed_at","first_observed_at":"2026-08-24 15:54:19","last_observed_at":"2026-08-24 15:54:19","observation_count":1},"current_observation":{"id":14814058,"timestamp_used":"2026-09-27 14:43:09","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-27 14:43:09","last_observed_at":"2026-09-27 14:43:09","observation_count":1},"state":"changed","observation_gap":{"detected":false,"reason":null},"change":{"detected":true,"flags":{"text_changed":true,"structured_data_changed":true,"schema_type_mask_changed":false,"headers_changed":false,"word_count_changed":true,"internal_link_count_changed":true,"external_link_count_changed":false,"outbound_links_changed":true,"ai_policy_mask_changed":false,"canonical_url_changed":false,"final_url_changed":false,"http_status_changed":false,"publisher_declaration_changed":null},"magnitude":{"text_simhash_hamming_distance":10,"word_count_delta":-45,"internal_link_count_delta":-4,"external_link_count_delta":0}},"before":{"requested_url":"https://vitae.ac.uk/","final_url":"https://vitae.ac.uk/","canonical_url":"https://vitae.ac.uk/","http_status":200,"text_simhash":"4411918898863440562","text_simhash_hex":"3D3A48DCF89682B2","structured_data_sha256":"668f1274ff66f51d94783562b6a8bdc7efec8f83dc83429f774661fc9b1d9b6a","schema_type_mask":"135174","headers_sha256":"4510e8df52a28524061c696f3ecaf0f17e90dc58c0e5eb80f2361b8f4cfa80a6","word_count":402,"internal_link_count":94,"external_link_count":5,"outbound_links_sha256":"45738906ecaf5ca0996c8d95d3ef586d7734a21ceeb086ee204bc25709994999","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://vitae.ac.uk/","final_url":"https://vitae.ac.uk/","canonical_url":"https://vitae.ac.uk/","http_status":200,"text_simhash":"4475250767432184498","text_simhash_hex":"3E1B48DCB196F2B2","structured_data_sha256":"b520da084fc4385fcd11c14446b0f5a9600942327cd91fbd0a54d1461f46e331","schema_type_mask":"135174","headers_sha256":"4510e8df52a28524061c696f3ecaf0f17e90dc58c0e5eb80f2361b8f4cfa80a6","word_count":357,"internal_link_count":90,"external_link_count":5,"outbound_links_sha256":"f16f63ecf2b2c2ccc27b4069c0bd61a97797ec86a5a588b0cc1bc0703cde3f0b","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"compatibility":{"refresh_recommended":true,"refresh_reason":["text_changed","structured_data_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/vitae.ac.uk","state":"https://www.goguides.com/state/vitae.ac.uk","evaluate":"https://www.goguides.com/evaluate/vitae.ac.uk","history":"https://www.goguides.com/history/vitae.ac.uk"},"ts_utc":"2026-10-02T22:14:27Z"}