{"system":"GoGuides Change Intelligence","capability_id":"goguides.change_intelligence","api_version":"change-v1","scope":"domain_root_change_intelligence","domain":"patrailcentral.com","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://patrailcentral.com/","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":"2026-08-31 00:58:29","last_loaded_at":"2026-09-07 12:14:48"},"current_observation":{"id":12125664,"timestamp_used":"2026-09-07 12:14:48","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-07 12:14:48","last_observed_at":"2026-09-07 12:14:48","observation_count":1},"latest_change":{"previous_observation":{"id":11959039,"timestamp_used":"2026-08-31 00:58:29","timestamp_basis":"last_observed_at","first_observed_at":"2026-08-31 00:58:29","last_observed_at":"2026-08-31 00:58:29","observation_count":1},"current_observation":{"id":12125664,"timestamp_used":"2026-09-07 12:14:48","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-07 12:14:48","last_observed_at":"2026-09-07 12:14:48","observation_count":1},"state":"changed","observation_gap":{"detected":false,"reason":null},"change":{"detected":true,"flags":{"text_changed":true,"structured_data_changed":false,"schema_type_mask_changed":false,"headers_changed":true,"word_count_changed":true,"internal_link_count_changed":false,"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":3,"word_count_delta":330,"internal_link_count_delta":0,"external_link_count_delta":0}},"before":{"requested_url":"https://patrailcentral.com/","final_url":"https://patrailcentral.com/","canonical_url":"https://patrailcentral.com/","http_status":200,"text_simhash":"12047482696454539003","text_simhash_hex":"A73141AE9FD686FB","structured_data_sha256":"df137a77177a7e77ecac0f816b807de1488220ac2718941e8ecb8adf4b6b252c","schema_type_mask":"151559","headers_sha256":"8a027554741fdb0ec0e31c9931c16fd60f28a33358f75277ea630c3c8bc542a2","word_count":2534,"internal_link_count":72,"external_link_count":55,"outbound_links_sha256":"2dce984e05c5a5bae034fdd8bd289674337bad13cd6d6c2ffb0cf5b169701ebc","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://patrailcentral.com/","final_url":"https://patrailcentral.com/","canonical_url":"https://patrailcentral.com/","http_status":200,"text_simhash":"12049743292361246451","text_simhash_hex":"A73949AE9FD686F3","structured_data_sha256":"df137a77177a7e77ecac0f816b807de1488220ac2718941e8ecb8adf4b6b252c","schema_type_mask":"151559","headers_sha256":"7ae11cc11d3dc29e6795f27bf8925ee55918c4dbe94b2693f894c6c9b074d1c5","word_count":2864,"internal_link_count":72,"external_link_count":55,"outbound_links_sha256":"9fc4c5dbfb6cbe546be41585f59defe6255e6293f259e89ad947b6ebcfb29b0b","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":11959039,"timestamp_used":"2026-08-31 00:58:29","timestamp_basis":"last_observed_at","first_observed_at":"2026-08-31 00:58:29","last_observed_at":"2026-08-31 00:58:29","observation_count":1},"current_observation":{"id":12125664,"timestamp_used":"2026-09-07 12:14:48","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-07 12:14:48","last_observed_at":"2026-09-07 12:14:48","observation_count":1},"state":"changed","observation_gap":{"detected":false,"reason":null},"change":{"detected":true,"flags":{"text_changed":true,"structured_data_changed":false,"schema_type_mask_changed":false,"headers_changed":true,"word_count_changed":true,"internal_link_count_changed":false,"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":3,"word_count_delta":330,"internal_link_count_delta":0,"external_link_count_delta":0}},"before":{"requested_url":"https://patrailcentral.com/","final_url":"https://patrailcentral.com/","canonical_url":"https://patrailcentral.com/","http_status":200,"text_simhash":"12047482696454539003","text_simhash_hex":"A73141AE9FD686FB","structured_data_sha256":"df137a77177a7e77ecac0f816b807de1488220ac2718941e8ecb8adf4b6b252c","schema_type_mask":"151559","headers_sha256":"8a027554741fdb0ec0e31c9931c16fd60f28a33358f75277ea630c3c8bc542a2","word_count":2534,"internal_link_count":72,"external_link_count":55,"outbound_links_sha256":"2dce984e05c5a5bae034fdd8bd289674337bad13cd6d6c2ffb0cf5b169701ebc","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://patrailcentral.com/","final_url":"https://patrailcentral.com/","canonical_url":"https://patrailcentral.com/","http_status":200,"text_simhash":"12049743292361246451","text_simhash_hex":"A73949AE9FD686F3","structured_data_sha256":"df137a77177a7e77ecac0f816b807de1488220ac2718941e8ecb8adf4b6b252c","schema_type_mask":"151559","headers_sha256":"7ae11cc11d3dc29e6795f27bf8925ee55918c4dbe94b2693f894c6c9b074d1c5","word_count":2864,"internal_link_count":72,"external_link_count":55,"outbound_links_sha256":"9fc4c5dbfb6cbe546be41585f59defe6255e6293f259e89ad947b6ebcfb29b0b","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/patrailcentral.com","state":"https://www.goguides.com/state/patrailcentral.com","evaluate":"https://www.goguides.com/evaluate/patrailcentral.com","history":"https://www.goguides.com/history/patrailcentral.com"},"ts_utc":"2026-09-24T16:45:26Z"}