{"system":"GoGuides Change Intelligence","capability_id":"goguides.change_intelligence","api_version":"change-v1","scope":"domain_root_change_intelligence","domain":"dallasisd.org","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://dallasisd.org/","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":"2026-09-07 17:48:29","last_loaded_at":"2026-09-15 07:42:50"},"current_observation":{"id":12938218,"timestamp_used":"2026-09-15 07:42:50","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-15 07:42:50","last_observed_at":"2026-09-15 07:42:50","observation_count":1},"latest_change":{"previous_observation":{"id":12244769,"timestamp_used":"2026-09-07 17:48:29","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-07 17:48:29","last_observed_at":"2026-09-07 17:48:29","observation_count":1},"current_observation":{"id":12938218,"timestamp_used":"2026-09-15 07:42:50","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-15 07:42:50","last_observed_at":"2026-09-15 07:42:50","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":false,"final_url_changed":false,"http_status_changed":false,"publisher_declaration_changed":null},"magnitude":{"text_simhash_hamming_distance":7,"word_count_delta":55,"internal_link_count_delta":3,"external_link_count_delta":-4}},"before":{"requested_url":"https://dallasisd.org/","final_url":"https://www.dallasisd.org/","canonical_url":"https://www.dallasisd.org/","http_status":200,"text_simhash":"1391695498129394418","text_simhash_hex":"13504BAE99834AF2","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"b77800ae4202c810d78fb606c69e086763ac9a6eaaf4a0c4eb0e7173b2b5dee9","word_count":890,"internal_link_count":455,"external_link_count":294,"outbound_links_sha256":"9cd2ce5dc3dd089042558acbbe9691d7e667f182b64765c2958dd79c42b3338c","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://dallasisd.org/","final_url":"https://www.dallasisd.org/","canonical_url":"https://www.dallasisd.org/","http_status":200,"text_simhash":"3708832557639551730","text_simhash_hex":"33786B8F99824AF2","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"b77800ae4202c810d78fb606c69e086763ac9a6eaaf4a0c4eb0e7173b2b5dee9","word_count":945,"internal_link_count":458,"external_link_count":290,"outbound_links_sha256":"c6cea6aaeca59396199902536a5e2af9ae9748f7a591b806958c15accd2936e2","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":12244769,"timestamp_used":"2026-09-07 17:48:29","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-07 17:48:29","last_observed_at":"2026-09-07 17:48:29","observation_count":1},"current_observation":{"id":12938218,"timestamp_used":"2026-09-15 07:42:50","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-15 07:42:50","last_observed_at":"2026-09-15 07:42:50","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":false,"final_url_changed":false,"http_status_changed":false,"publisher_declaration_changed":null},"magnitude":{"text_simhash_hamming_distance":7,"word_count_delta":55,"internal_link_count_delta":3,"external_link_count_delta":-4}},"before":{"requested_url":"https://dallasisd.org/","final_url":"https://www.dallasisd.org/","canonical_url":"https://www.dallasisd.org/","http_status":200,"text_simhash":"1391695498129394418","text_simhash_hex":"13504BAE99834AF2","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"b77800ae4202c810d78fb606c69e086763ac9a6eaaf4a0c4eb0e7173b2b5dee9","word_count":890,"internal_link_count":455,"external_link_count":294,"outbound_links_sha256":"9cd2ce5dc3dd089042558acbbe9691d7e667f182b64765c2958dd79c42b3338c","ai_policy_mask":"1","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://dallasisd.org/","final_url":"https://www.dallasisd.org/","canonical_url":"https://www.dallasisd.org/","http_status":200,"text_simhash":"3708832557639551730","text_simhash_hex":"33786B8F99824AF2","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"b77800ae4202c810d78fb606c69e086763ac9a6eaaf4a0c4eb0e7173b2b5dee9","word_count":945,"internal_link_count":458,"external_link_count":290,"outbound_links_sha256":"c6cea6aaeca59396199902536a5e2af9ae9748f7a591b806958c15accd2936e2","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/dallasisd.org","state":"https://www.goguides.com/state/dallasisd.org","evaluate":"https://www.goguides.com/evaluate/dallasisd.org","history":"https://www.goguides.com/history/dallasisd.org"},"ts_utc":"2026-09-24T02:24:07Z"}