{"system":"GoGuides Change Intelligence","capability_id":"goguides.change_intelligence","api_version":"change-v1","scope":"domain_root_change_intelligence","domain":"pearsonclinical.co.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://pearsonclinical.co.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":2,"change_events_returned":1,"limit":25,"first_loaded_at":"2026-09-11 14:02:20","last_loaded_at":"2026-09-19 19:56:07"},"current_observation":{"id":13698273,"timestamp_used":"2026-09-19 19:56:07","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-19 19:56:07","last_observed_at":"2026-09-19 19:56:07","observation_count":1},"latest_change":{"previous_observation":{"id":12858283,"timestamp_used":"2026-09-11 14:02:20","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-11 14:02:20","last_observed_at":"2026-09-11 14:02:20","observation_count":1},"current_observation":{"id":13698273,"timestamp_used":"2026-09-19 19:56:07","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-19 19:56:07","last_observed_at":"2026-09-19 19:56:07","observation_count":1},"state":"changed","observation_gap":{"detected":false,"reason":null},"change":{"detected":true,"flags":{"text_changed":false,"structured_data_changed":false,"schema_type_mask_changed":false,"headers_changed":true,"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://pearsonclinical.co.uk/","final_url":"https://www.pearsonclinical.co.uk/","canonical_url":"https://www.pearsonclinical.co.uk/","http_status":200,"text_simhash":"4610869066752743991","text_simhash_hex":"3FFD18FC9DA25A37","structured_data_sha256":"6ecd8ea8da681c1bd1a176a1c4c74101cf0fc9a2d2a6a6827f5e9995556146f3","schema_type_mask":"131587","headers_sha256":"732a7cfd9ba8bcc0dd4fcaba2c7e3b40563feedb702e0e46800f9a98b4c13ad2","word_count":179,"internal_link_count":113,"external_link_count":15,"outbound_links_sha256":"37f96da6b28db4c4d32ad4face7da30c54cc8f4b1122a0364560e9f48283d5e9","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://pearsonclinical.co.uk/","final_url":"https://www.pearsonclinical.co.uk/","canonical_url":"https://www.pearsonclinical.co.uk/","http_status":200,"text_simhash":"4610869066752743991","text_simhash_hex":"3FFD18FC9DA25A37","structured_data_sha256":"6ecd8ea8da681c1bd1a176a1c4c74101cf0fc9a2d2a6a6827f5e9995556146f3","schema_type_mask":"131587","headers_sha256":"511d39745d2bb3888f722181cea46c89a86a64143599fd5e5b75d227dd7c2558","word_count":179,"internal_link_count":113,"external_link_count":15,"outbound_links_sha256":"37f96da6b28db4c4d32ad4face7da30c54cc8f4b1122a0364560e9f48283d5e9","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":12858283,"timestamp_used":"2026-09-11 14:02:20","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-11 14:02:20","last_observed_at":"2026-09-11 14:02:20","observation_count":1},"current_observation":{"id":13698273,"timestamp_used":"2026-09-19 19:56:07","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-19 19:56:07","last_observed_at":"2026-09-19 19:56:07","observation_count":1},"state":"changed","observation_gap":{"detected":false,"reason":null},"change":{"detected":true,"flags":{"text_changed":false,"structured_data_changed":false,"schema_type_mask_changed":false,"headers_changed":true,"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://pearsonclinical.co.uk/","final_url":"https://www.pearsonclinical.co.uk/","canonical_url":"https://www.pearsonclinical.co.uk/","http_status":200,"text_simhash":"4610869066752743991","text_simhash_hex":"3FFD18FC9DA25A37","structured_data_sha256":"6ecd8ea8da681c1bd1a176a1c4c74101cf0fc9a2d2a6a6827f5e9995556146f3","schema_type_mask":"131587","headers_sha256":"732a7cfd9ba8bcc0dd4fcaba2c7e3b40563feedb702e0e46800f9a98b4c13ad2","word_count":179,"internal_link_count":113,"external_link_count":15,"outbound_links_sha256":"37f96da6b28db4c4d32ad4face7da30c54cc8f4b1122a0364560e9f48283d5e9","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://pearsonclinical.co.uk/","final_url":"https://www.pearsonclinical.co.uk/","canonical_url":"https://www.pearsonclinical.co.uk/","http_status":200,"text_simhash":"4610869066752743991","text_simhash_hex":"3FFD18FC9DA25A37","structured_data_sha256":"6ecd8ea8da681c1bd1a176a1c4c74101cf0fc9a2d2a6a6827f5e9995556146f3","schema_type_mask":"131587","headers_sha256":"511d39745d2bb3888f722181cea46c89a86a64143599fd5e5b75d227dd7c2558","word_count":179,"internal_link_count":113,"external_link_count":15,"outbound_links_sha256":"37f96da6b28db4c4d32ad4face7da30c54cc8f4b1122a0364560e9f48283d5e9","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"compatibility":{"refresh_recommended":false,"refresh_reason":[]},"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/pearsonclinical.co.uk","state":"https://www.goguides.com/state/pearsonclinical.co.uk","evaluate":"https://www.goguides.com/evaluate/pearsonclinical.co.uk","history":"https://www.goguides.com/history/pearsonclinical.co.uk"},"ts_utc":"2026-09-23T01:34:41Z"}