{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:DPWFT46XGIX6ZH3X7WNQISAS3J","short_pith_number":"pith:DPWFT46X","schema_version":"1.0","canonical_sha256":"1bec59f3d7322fec9f77fd9b044812da722872041e03136e562688c0e5fadc85","source":{"kind":"arxiv","id":"1501.07788","version":2},"attestation_state":"computed","paper":{"title":"Human diffusion and city influence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY","cs.SI","physics.data-an","stat.AP"],"primary_cat":"physics.soc-ph","authors_text":"Ant\\`onia Tugores, Bruno Gon\\c{c}alves, Jos\\'e J. Ramasco, Maxime Lenormand","submitted_at":"2015-01-30T14:39:24Z","abstract_excerpt":"Cities are characterized by concentrating population, economic activity and services. However, not all cities are equal and a natural hierarchy at local, regional or global scales spontaneously emerges. In this work, we introduce a method to quantify city influence using geolocated tweets to characterize human mobility. Rome and Paris appear consistently as the cities attracting most diverse visitors. The ratio between locals and non-local visitors turns out to be fundamental for a city to truly be global. Focusing only on urban residents' mobility flows, a city to city network can be construc"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1501.07788","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2015-01-30T14:39:24Z","cross_cats_sorted":["cs.CY","cs.SI","physics.data-an","stat.AP"],"title_canon_sha256":"34d62c109a4f9e3b1ce45f297ebd92bdc9e85db5d1ea75e5fd73dfaebb8c2a62","abstract_canon_sha256":"4239d2978861e197e28d76535acadaa736d3cdc8505e7042094c3d406315e50e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:25.726178Z","signature_b64":"awcD2r/P51UQzSgbqNogNFPDLiOd905Bekymw+3gkZto2KzmubnyyHGR/DkbN4Bg5LUZWU2H2Ts1DN25aX9lBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1bec59f3d7322fec9f77fd9b044812da722872041e03136e562688c0e5fadc85","last_reissued_at":"2026-05-18T01:36:25.725616Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:25.725616Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Human diffusion and city influence","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY","cs.SI","physics.data-an","stat.AP"],"primary_cat":"physics.soc-ph","authors_text":"Ant\\`onia Tugores, Bruno Gon\\c{c}alves, Jos\\'e J. Ramasco, Maxime Lenormand","submitted_at":"2015-01-30T14:39:24Z","abstract_excerpt":"Cities are characterized by concentrating population, economic activity and services. However, not all cities are equal and a natural hierarchy at local, regional or global scales spontaneously emerges. In this work, we introduce a method to quantify city influence using geolocated tweets to characterize human mobility. Rome and Paris appear consistently as the cities attracting most diverse visitors. The ratio between locals and non-local visitors turns out to be fundamental for a city to truly be global. Focusing only on urban residents' mobility flows, a city to city network can be construc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.07788","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":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1501.07788","created_at":"2026-05-18T01:36:25.725699+00:00"},{"alias_kind":"arxiv_version","alias_value":"1501.07788v2","created_at":"2026-05-18T01:36:25.725699+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.07788","created_at":"2026-05-18T01:36:25.725699+00:00"},{"alias_kind":"pith_short_12","alias_value":"DPWFT46XGIX6","created_at":"2026-05-18T12:29:17.054201+00:00"},{"alias_kind":"pith_short_16","alias_value":"DPWFT46XGIX6ZH3X","created_at":"2026-05-18T12:29:17.054201+00:00"},{"alias_kind":"pith_short_8","alias_value":"DPWFT46X","created_at":"2026-05-18T12:29:17.054201+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DPWFT46XGIX6ZH3X7WNQISAS3J","json":"https://pith.science/pith/DPWFT46XGIX6ZH3X7WNQISAS3J.json","graph_json":"https://pith.science/api/pith-number/DPWFT46XGIX6ZH3X7WNQISAS3J/graph.json","events_json":"https://pith.science/api/pith-number/DPWFT46XGIX6ZH3X7WNQISAS3J/events.json","paper":"https://pith.science/paper/DPWFT46X"},"agent_actions":{"view_html":"https://pith.science/pith/DPWFT46XGIX6ZH3X7WNQISAS3J","download_json":"https://pith.science/pith/DPWFT46XGIX6ZH3X7WNQISAS3J.json","view_paper":"https://pith.science/paper/DPWFT46X","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1501.07788&json=true","fetch_graph":"https://pith.science/api/pith-number/DPWFT46XGIX6ZH3X7WNQISAS3J/graph.json","fetch_events":"https://pith.science/api/pith-number/DPWFT46XGIX6ZH3X7WNQISAS3J/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DPWFT46XGIX6ZH3X7WNQISAS3J/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DPWFT46XGIX6ZH3X7WNQISAS3J/action/storage_attestation","attest_author":"https://pith.science/pith/DPWFT46XGIX6ZH3X7WNQISAS3J/action/author_attestation","sign_citation":"https://pith.science/pith/DPWFT46XGIX6ZH3X7WNQISAS3J/action/citation_signature","submit_replication":"https://pith.science/pith/DPWFT46XGIX6ZH3X7WNQISAS3J/action/replication_record"}},"created_at":"2026-05-18T01:36:25.725699+00:00","updated_at":"2026-05-18T01:36:25.725699+00:00"}