{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:X5RC77I7XRWCSHGXY3IOOYDCVA","short_pith_number":"pith:X5RC77I7","canonical_record":{"source":{"id":"2007.14997","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2020-07-29T09:47:54Z","cross_cats_sorted":[],"title_canon_sha256":"619c0e87c6266758523033137df273207304c5c464f96359e0ccedd1a55eda1b","abstract_canon_sha256":"ecff6f2be07d148c5192b410386475a4ec3a10ccec7b110bd9856610260a4fee"},"schema_version":"1.0"},"canonical_sha256":"bf622ffd1fbc6c291cd7c6d0e76062a8044761a934b26825a5a3c9a65e96ca3a","source":{"kind":"arxiv","id":"2007.14997","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.14997","created_at":"2026-07-05T05:47:54Z"},{"alias_kind":"arxiv_version","alias_value":"2007.14997v2","created_at":"2026-07-05T05:47:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.14997","created_at":"2026-07-05T05:47:54Z"},{"alias_kind":"pith_short_12","alias_value":"X5RC77I7XRWC","created_at":"2026-07-05T05:47:54Z"},{"alias_kind":"pith_short_16","alias_value":"X5RC77I7XRWCSHGX","created_at":"2026-07-05T05:47:54Z"},{"alias_kind":"pith_short_8","alias_value":"X5RC77I7","created_at":"2026-07-05T05:47:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:X5RC77I7XRWCSHGXY3IOOYDCVA","target":"record","payload":{"canonical_record":{"source":{"id":"2007.14997","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2020-07-29T09:47:54Z","cross_cats_sorted":[],"title_canon_sha256":"619c0e87c6266758523033137df273207304c5c464f96359e0ccedd1a55eda1b","abstract_canon_sha256":"ecff6f2be07d148c5192b410386475a4ec3a10ccec7b110bd9856610260a4fee"},"schema_version":"1.0"},"canonical_sha256":"bf622ffd1fbc6c291cd7c6d0e76062a8044761a934b26825a5a3c9a65e96ca3a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:47:54.306636Z","signature_b64":"Raibc/UNbfLSp0/HOpO50G0meQ89yWT0B/iAqkSDxKjknK6VdYbMA2pyULtHty0nKnEXKeNt+nr/mvRYzK12Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf622ffd1fbc6c291cd7c6d0e76062a8044761a934b26825a5a3c9a65e96ca3a","last_reissued_at":"2026-07-05T05:47:54.306145Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:47:54.306145Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2007.14997","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:47:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wl8QO3g1Xw31rnFOMrsgsS8boKJvz6KYqeqvK0zOd8PondgrnzLWIaW5wEIBXQrzK8XwFA5J0Cqe0zkzpKgoDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:37:02.905439Z"},"content_sha256":"68bfa3ccc7af96f1a29414a57b62798887a5788648824b16fdb85bd870b11383","schema_version":"1.0","event_id":"sha256:68bfa3ccc7af96f1a29414a57b62798887a5788648824b16fdb85bd870b11383"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:X5RC77I7XRWCSHGXY3IOOYDCVA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Aggregate Analytic Window Query over Spatial Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DB","authors_text":"Chao Wang, Xing Shi","submitted_at":"2020-07-29T09:47:54Z","abstract_excerpt":"Analytic window query is a commonly used query in the relational databases. It answers the aggregations of data over a sliding window. For example, to get the average prices of a stock for each day. However, it is not supported in the spatial databases. Because the spatial data are not in a one-dimension space, there is no straightforward way to extend the original analytic window query to spatial databases. But these queries are useful and meaningful. For example, to find the average number of visits for all the POIs in the circle with a fixed radius for each POI as the centre. In this paper,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.14997","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2007.14997/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:47:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rPxu5aYldB7OCuH2xL2Wq6JFwg8q7mOuaXsQc0TbR0faiazLLiFCfICyVMmiU0TGEdJ/MplwekhIgjXVv/YdCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:37:02.905811Z"},"content_sha256":"6bc12ed98ef9c4333edccef19b9a3ff47b05295665052656fbfca9811a38f64b","schema_version":"1.0","event_id":"sha256:6bc12ed98ef9c4333edccef19b9a3ff47b05295665052656fbfca9811a38f64b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X5RC77I7XRWCSHGXY3IOOYDCVA/bundle.json","state_url":"https://pith.science/pith/X5RC77I7XRWCSHGXY3IOOYDCVA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X5RC77I7XRWCSHGXY3IOOYDCVA/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-07T09:37:02Z","links":{"resolver":"https://pith.science/pith/X5RC77I7XRWCSHGXY3IOOYDCVA","bundle":"https://pith.science/pith/X5RC77I7XRWCSHGXY3IOOYDCVA/bundle.json","state":"https://pith.science/pith/X5RC77I7XRWCSHGXY3IOOYDCVA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X5RC77I7XRWCSHGXY3IOOYDCVA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:X5RC77I7XRWCSHGXY3IOOYDCVA","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ecff6f2be07d148c5192b410386475a4ec3a10ccec7b110bd9856610260a4fee","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2020-07-29T09:47:54Z","title_canon_sha256":"619c0e87c6266758523033137df273207304c5c464f96359e0ccedd1a55eda1b"},"schema_version":"1.0","source":{"id":"2007.14997","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2007.14997","created_at":"2026-07-05T05:47:54Z"},{"alias_kind":"arxiv_version","alias_value":"2007.14997v2","created_at":"2026-07-05T05:47:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2007.14997","created_at":"2026-07-05T05:47:54Z"},{"alias_kind":"pith_short_12","alias_value":"X5RC77I7XRWC","created_at":"2026-07-05T05:47:54Z"},{"alias_kind":"pith_short_16","alias_value":"X5RC77I7XRWCSHGX","created_at":"2026-07-05T05:47:54Z"},{"alias_kind":"pith_short_8","alias_value":"X5RC77I7","created_at":"2026-07-05T05:47:54Z"}],"graph_snapshots":[{"event_id":"sha256:6bc12ed98ef9c4333edccef19b9a3ff47b05295665052656fbfca9811a38f64b","target":"graph","created_at":"2026-07-05T05:47:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2007.14997/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Analytic window query is a commonly used query in the relational databases. It answers the aggregations of data over a sliding window. For example, to get the average prices of a stock for each day. However, it is not supported in the spatial databases. Because the spatial data are not in a one-dimension space, there is no straightforward way to extend the original analytic window query to spatial databases. But these queries are useful and meaningful. For example, to find the average number of visits for all the POIs in the circle with a fixed radius for each POI as the centre. In this paper,","authors_text":"Chao Wang, Xing Shi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2020-07-29T09:47:54Z","title":"Aggregate Analytic Window Query over Spatial Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2007.14997","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:68bfa3ccc7af96f1a29414a57b62798887a5788648824b16fdb85bd870b11383","target":"record","created_at":"2026-07-05T05:47:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"ecff6f2be07d148c5192b410386475a4ec3a10ccec7b110bd9856610260a4fee","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DB","submitted_at":"2020-07-29T09:47:54Z","title_canon_sha256":"619c0e87c6266758523033137df273207304c5c464f96359e0ccedd1a55eda1b"},"schema_version":"1.0","source":{"id":"2007.14997","kind":"arxiv","version":2}},"canonical_sha256":"bf622ffd1fbc6c291cd7c6d0e76062a8044761a934b26825a5a3c9a65e96ca3a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf622ffd1fbc6c291cd7c6d0e76062a8044761a934b26825a5a3c9a65e96ca3a","first_computed_at":"2026-07-05T05:47:54.306145Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:47:54.306145Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Raibc/UNbfLSp0/HOpO50G0meQ89yWT0B/iAqkSDxKjknK6VdYbMA2pyULtHty0nKnEXKeNt+nr/mvRYzK12Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:47:54.306636Z","signed_message":"canonical_sha256_bytes"},"source_id":"2007.14997","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68bfa3ccc7af96f1a29414a57b62798887a5788648824b16fdb85bd870b11383","sha256:6bc12ed98ef9c4333edccef19b9a3ff47b05295665052656fbfca9811a38f64b"],"state_sha256":"81b2bbd9738060d1c9e64adc2e49c3125bfd65683e1e9232c8fed80a7cc034d8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SDmHV8p/s8/5uNLxsavsijFVsWX7Q/nygjBxYEQjtx3/JO06lQVq8A9/WxY3mK6JSRjvMyql5pOgkDbbpiVkDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T09:37:02.907673Z","bundle_sha256":"8215bc30b6393808c6a05f35e13fdfddae01b1e9a23a1031a76a9c2aa92e32ea"}}