{"system":"GoGuides Change Intelligence","capability_id":"goguides.change_intelligence","api_version":"change-v1","scope":"domain_root_change_intelligence","domain":"datasheet.hk","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://datasheet.hk/","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":8,"change_events_returned":7,"limit":25,"first_loaded_at":"2026-09-08 14:36:59","last_loaded_at":"2026-09-23 00:00:47"},"current_observation":{"id":14018513,"timestamp_used":"2026-09-23 00:00:47","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-23 00:00:47","last_observed_at":"2026-09-23 00:00:47","observation_count":1},"latest_change":{"previous_observation":{"id":13820904,"timestamp_used":"2026-09-20 09:36:49","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-20 09:36:49","last_observed_at":"2026-09-20 09:36:49","observation_count":1},"current_observation":{"id":14018513,"timestamp_used":"2026-09-23 00:00:47","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-23 00:00:47","last_observed_at":"2026-09-23 00:00:47","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":false,"internal_link_count_changed":false,"external_link_count_changed":false,"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":5,"word_count_delta":0,"internal_link_count_delta":0,"external_link_count_delta":0}},"before":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"2814414201611038703","text_simhash_hex":"270ECECE11D72FEF","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":166,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"675bf17a8870cc3154e61796ad51d7ef392ea5b50b6e941cb9b0ae0b3f6a04f0","ai_policy_mask":"5","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"3395378553541831551","text_simhash_hex":"2F1ECECE11D72B7F","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":166,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"f845ee0879e662e1016a963474c1730450e12d52d42cf2d107c0abf2c8ce158b","ai_policy_mask":"5","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":13820904,"timestamp_used":"2026-09-20 09:36:49","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-20 09:36:49","last_observed_at":"2026-09-20 09:36:49","observation_count":1},"current_observation":{"id":14018513,"timestamp_used":"2026-09-23 00:00:47","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-23 00:00:47","last_observed_at":"2026-09-23 00:00:47","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":false,"internal_link_count_changed":false,"external_link_count_changed":false,"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":5,"word_count_delta":0,"internal_link_count_delta":0,"external_link_count_delta":0}},"before":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"2814414201611038703","text_simhash_hex":"270ECECE11D72FEF","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":166,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"675bf17a8870cc3154e61796ad51d7ef392ea5b50b6e941cb9b0ae0b3f6a04f0","ai_policy_mask":"5","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"3395378553541831551","text_simhash_hex":"2F1ECECE11D72B7F","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":166,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"f845ee0879e662e1016a963474c1730450e12d52d42cf2d107c0abf2c8ce158b","ai_policy_mask":"5","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":13629428,"timestamp_used":"2026-09-19 08:43:51","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-19 08:43:51","last_observed_at":"2026-09-19 08:43:51","observation_count":1},"current_observation":{"id":13820904,"timestamp_used":"2026-09-20 09:36:49","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-20 09:36:49","last_observed_at":"2026-09-20 09:36:49","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":false,"external_link_count_changed":false,"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":12,"word_count_delta":-1,"internal_link_count_delta":0,"external_link_count_delta":0}},"before":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"3354142470544229231","text_simhash_hex":"2E8C4ECE52D7036F","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":167,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"36cc4afa2e839826ab8dc7f6c886c99b0550f395dc3850ad0c5c065ed885fcea","ai_policy_mask":"5","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"2814414201611038703","text_simhash_hex":"270ECECE11D72FEF","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":166,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"675bf17a8870cc3154e61796ad51d7ef392ea5b50b6e941cb9b0ae0b3f6a04f0","ai_policy_mask":"5","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":13447259,"timestamp_used":"2026-09-18 07:36:54","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-18 07:36:54","last_observed_at":"2026-09-18 07:36:54","observation_count":1},"current_observation":{"id":13629428,"timestamp_used":"2026-09-19 08:43:51","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-19 08:43:51","last_observed_at":"2026-09-19 08:43:51","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":false,"internal_link_count_changed":false,"external_link_count_changed":false,"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":13,"word_count_delta":0,"internal_link_count_delta":0,"external_link_count_delta":0}},"before":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"2782325716016380911","text_simhash_hex":"269CCE7F50973BEF","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":167,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"e0521d6ce1d38fbfb18b4039ff7c5b17e9fe2ffb839b9a948093f595acba1649","ai_policy_mask":"5","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"3354142470544229231","text_simhash_hex":"2E8C4ECE52D7036F","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":167,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"36cc4afa2e839826ab8dc7f6c886c99b0550f395dc3850ad0c5c065ed885fcea","ai_policy_mask":"5","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":13244936,"timestamp_used":"2026-09-16 23:29:00","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-16 23:29:00","last_observed_at":"2026-09-16 23:29:00","observation_count":1},"current_observation":{"id":13447259,"timestamp_used":"2026-09-18 07:36:54","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-18 07:36:54","last_observed_at":"2026-09-18 07:36:54","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":false,"internal_link_count_changed":false,"external_link_count_changed":false,"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":15,"word_count_delta":0,"internal_link_count_delta":0,"external_link_count_delta":0}},"before":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"3354423945621602927","text_simhash_hex":"2E8D4ECE58D7026F","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":167,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"5df70de610e03765967876a4b8628c7654e3805e8102dc691555f77fade90210","ai_policy_mask":"5","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"2782325716016380911","text_simhash_hex":"269CCE7F50973BEF","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":167,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"e0521d6ce1d38fbfb18b4039ff7c5b17e9fe2ffb839b9a948093f595acba1649","ai_policy_mask":"5","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":13060663,"timestamp_used":"2026-09-15 21:08:51","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-15 21:08:51","last_observed_at":"2026-09-15 21:08:51","observation_count":1},"current_observation":{"id":13244936,"timestamp_used":"2026-09-16 23:29:00","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-16 23:29:00","last_observed_at":"2026-09-16 23:29:00","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":false,"external_link_count_changed":false,"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":15,"word_count_delta":1,"internal_link_count_delta":0,"external_link_count_delta":0}},"before":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"7426381219330726891","text_simhash_hex":"670FCE5F50D71BEB","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":166,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"69c2d5674e6f22e2674cde668545e6a3f0d59ab310994b7f7d6b25aa2c031067","ai_policy_mask":"5","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"3354423945621602927","text_simhash_hex":"2E8D4ECE58D7026F","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":167,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"5df70de610e03765967876a4b8628c7654e3805e8102dc691555f77fade90210","ai_policy_mask":"5","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":12762428,"timestamp_used":"2026-09-09 16:20:55","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-09 16:20:55","last_observed_at":"2026-09-09 16:20:55","observation_count":1},"current_observation":{"id":13060663,"timestamp_used":"2026-09-15 21:08:51","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-15 21:08:51","last_observed_at":"2026-09-15 21:08:51","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":false,"external_link_count_changed":false,"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":11,"word_count_delta":-1,"internal_link_count_delta":0,"external_link_count_delta":0}},"before":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"2813710651591433059","text_simhash_hex":"270C4EEE10D71B63","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":167,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"e61161102388a46384adc7bb2bf07ea0eff388621a54d70e6a9f9b0091759c91","ai_policy_mask":"5","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"7426381219330726891","text_simhash_hex":"670FCE5F50D71BEB","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":166,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"69c2d5674e6f22e2674cde668545e6a3f0d59ab310994b7f7d6b25aa2c031067","ai_policy_mask":"5","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":12596704,"timestamp_used":"2026-09-08 14:36:59","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-08 14:36:59","last_observed_at":"2026-09-08 14:36:59","observation_count":1},"current_observation":{"id":12762428,"timestamp_used":"2026-09-09 16:20:55","timestamp_basis":"last_observed_at","first_observed_at":"2026-09-09 16:20:55","last_observed_at":"2026-09-09 16:20:55","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":false,"external_link_count_changed":false,"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":15,"word_count_delta":-5,"internal_link_count_delta":0,"external_link_count_delta":0}},"before":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"364175149061577581","text_simhash_hex":"050DCF5E5BD71B6D","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":172,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"0eab120bd6b0b1c216c723416d2fcd615aef7a3d446cf50f8dea826bdaa3fd7e","ai_policy_mask":"5","publisher_declaration_fingerprint":null},"after":{"requested_url":"https://datasheet.hk/","final_url":"http://www.datasheet.hk/","canonical_url":null,"http_status":200,"text_simhash":"2813710651591433059","text_simhash_hex":"270C4EEE10D71B63","structured_data_sha256":null,"schema_type_mask":"0","headers_sha256":"481cd6ee6168c481a6f6fb0996f57a2b66b52dca9cfc536db42060c430c8c46e","word_count":167,"internal_link_count":72,"external_link_count":12,"outbound_links_sha256":"e61161102388a46384adc7bb2bf07ea0eff388621a54d70e6a9f9b0091759c91","ai_policy_mask":"5","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/datasheet.hk","state":"https://www.goguides.com/state/datasheet.hk","evaluate":"https://www.goguides.com/evaluate/datasheet.hk","history":"https://www.goguides.com/history/datasheet.hk"},"ts_utc":"2026-09-23T19:49:42Z"}