{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:RBKVE7V5E6CNFMPKK5X7MUY24E","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":"51b0074c48316f501a827352c02a54add99f1b6ec26940d09e2d2e319fcd4331","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2017-03-13T07:45:02Z","title_canon_sha256":"e492886d16bf19c1b50849bd8bcd82c7d1aa3dab538a8398f4597e088c9c433d"},"schema_version":"1.0","source":{"id":"1703.04280","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.04280","created_at":"2026-07-05T03:15:24Z"},{"alias_kind":"arxiv_version","alias_value":"1703.04280v1","created_at":"2026-07-05T03:15:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.04280","created_at":"2026-07-05T03:15:24Z"},{"alias_kind":"pith_short_12","alias_value":"RBKVE7V5E6CN","created_at":"2026-07-05T03:15:24Z"},{"alias_kind":"pith_short_16","alias_value":"RBKVE7V5E6CNFMPK","created_at":"2026-07-05T03:15:24Z"},{"alias_kind":"pith_short_8","alias_value":"RBKVE7V5","created_at":"2026-07-05T03:15:24Z"}],"graph_snapshots":[{"event_id":"sha256:6a1ba01e16f905e4b371ef6dea041d5c7600c8578e1df16577037b1c2050d053","target":"graph","created_at":"2026-07-05T03:15:24Z","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/1703.04280/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Social media platforms provide continuous access to user generated content that enables real-time monitoring of user behavior and of events. The geographical dimension of such user behavior and events has recently caught a lot of attention in several domains: mobility, humanitarian, or infrastructural. While resolving the location of a user can be straightforward, depending on the affordances of their device and/or of the application they are using, in most cases, locating a user demands a larger effort, such as exploiting textual features. On Twitter for instance, only 2% of all tweets are ge","authors_text":"Fabrizio Sebastiani, Francisco Guzman, Javier Borge-Holthoefer, Noora AL Emadi, Sofiane Abbar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2017-03-13T07:45:02Z","title":"QT2S: A System for Monitoring Road Traffic via Fine Grounding of Tweets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.04280","kind":"arxiv","version":1},"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":"sha256:393ae0e3f22fdea16c06ecd748f6facdf8b32af38a03ffd7897ab116d6c074e6","target":"record","created_at":"2026-07-05T03:15:24Z","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":"51b0074c48316f501a827352c02a54add99f1b6ec26940d09e2d2e319fcd4331","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2017-03-13T07:45:02Z","title_canon_sha256":"e492886d16bf19c1b50849bd8bcd82c7d1aa3dab538a8398f4597e088c9c433d"},"schema_version":"1.0","source":{"id":"1703.04280","kind":"arxiv","version":1}},"canonical_sha256":"8855527ebd2784d2b1ea576ff6531ae1114fe56c0a66476fa0d45be89726916a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8855527ebd2784d2b1ea576ff6531ae1114fe56c0a66476fa0d45be89726916a","first_computed_at":"2026-07-05T03:15:24.861060Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:15:24.861060Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b13Xbjar9NNWDZJ1Y4+/OI7Aoq5sItV9oLwheeyHY+hZataKt7uac9QzQrosD36G2echA2MTL64m1KphdF62Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T03:15:24.861516Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.04280","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:393ae0e3f22fdea16c06ecd748f6facdf8b32af38a03ffd7897ab116d6c074e6","sha256:6a1ba01e16f905e4b371ef6dea041d5c7600c8578e1df16577037b1c2050d053"],"state_sha256":"c58a50f9c53eba00f2e4242ca985607e83b9463c470c340067859cb6c9f397f9"}