{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:2FESX2VZQOL34JIRO3NNHVUUI7","short_pith_number":"pith:2FESX2VZ","schema_version":"1.0","canonical_sha256":"d1492beab98397be251176dad3d69447c7c855726afee73f7cc4f892cda7acd8","source":{"kind":"arxiv","id":"1606.04707","version":2},"attestation_state":"computed","paper":{"title":"A conceptual approach to model co-evolution of urban structures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.MA","nlin.AO"],"primary_cat":"physics.soc-ph","authors_text":"Frank Schweitzer, Vahan Nanumyan","submitted_at":"2016-06-15T10:15:36Z","abstract_excerpt":"Urban structures encompass settlements, characterized by the spatial distribution of built-up areas, but also transportation structures, to connect these built-up areas. These two structures are very different in their origin and function, fulfilling complementary needs: (i) to access space, and (ii) to occupy space. Their evolution cannot be understood by looking at the dynamics of urban aggregations and transportation systems separately. Instead, existing built-up areas feed back on the further development of transportation structures, and the availability of the latter feeds back on the fut"},"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":"1606.04707","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2016-06-15T10:15:36Z","cross_cats_sorted":["cs.MA","nlin.AO"],"title_canon_sha256":"9fb518dbdcc4a06b1397e987d4eee40f01d315974caaf1b78bc74801423d4d12","abstract_canon_sha256":"14d92d43138c0f4677ca48f9cb21429d97cf2b65204a25ce439150099b775318"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:19.633174Z","signature_b64":"hs9TXTGzu6qAWR2t2GzFhfuxf9iEcBG/aZz1G5uxAKRjB+Nd21cMCAwVvELdL9O4K7NR/dH9y4RivK6KLkfQBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d1492beab98397be251176dad3d69447c7c855726afee73f7cc4f892cda7acd8","last_reissued_at":"2026-05-18T01:12:19.632836Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:19.632836Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A conceptual approach to model co-evolution of urban structures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.MA","nlin.AO"],"primary_cat":"physics.soc-ph","authors_text":"Frank Schweitzer, Vahan Nanumyan","submitted_at":"2016-06-15T10:15:36Z","abstract_excerpt":"Urban structures encompass settlements, characterized by the spatial distribution of built-up areas, but also transportation structures, to connect these built-up areas. These two structures are very different in their origin and function, fulfilling complementary needs: (i) to access space, and (ii) to occupy space. Their evolution cannot be understood by looking at the dynamics of urban aggregations and transportation systems separately. Instead, existing built-up areas feed back on the further development of transportation structures, and the availability of the latter feeds back on the fut"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.04707","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":"1606.04707","created_at":"2026-05-18T01:12:19.632890+00:00"},{"alias_kind":"arxiv_version","alias_value":"1606.04707v2","created_at":"2026-05-18T01:12:19.632890+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.04707","created_at":"2026-05-18T01:12:19.632890+00:00"},{"alias_kind":"pith_short_12","alias_value":"2FESX2VZQOL3","created_at":"2026-05-18T12:29:55.572404+00:00"},{"alias_kind":"pith_short_16","alias_value":"2FESX2VZQOL34JIR","created_at":"2026-05-18T12:29:55.572404+00:00"},{"alias_kind":"pith_short_8","alias_value":"2FESX2VZ","created_at":"2026-05-18T12:29:55.572404+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/2FESX2VZQOL34JIRO3NNHVUUI7","json":"https://pith.science/pith/2FESX2VZQOL34JIRO3NNHVUUI7.json","graph_json":"https://pith.science/api/pith-number/2FESX2VZQOL34JIRO3NNHVUUI7/graph.json","events_json":"https://pith.science/api/pith-number/2FESX2VZQOL34JIRO3NNHVUUI7/events.json","paper":"https://pith.science/paper/2FESX2VZ"},"agent_actions":{"view_html":"https://pith.science/pith/2FESX2VZQOL34JIRO3NNHVUUI7","download_json":"https://pith.science/pith/2FESX2VZQOL34JIRO3NNHVUUI7.json","view_paper":"https://pith.science/paper/2FESX2VZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1606.04707&json=true","fetch_graph":"https://pith.science/api/pith-number/2FESX2VZQOL34JIRO3NNHVUUI7/graph.json","fetch_events":"https://pith.science/api/pith-number/2FESX2VZQOL34JIRO3NNHVUUI7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2FESX2VZQOL34JIRO3NNHVUUI7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2FESX2VZQOL34JIRO3NNHVUUI7/action/storage_attestation","attest_author":"https://pith.science/pith/2FESX2VZQOL34JIRO3NNHVUUI7/action/author_attestation","sign_citation":"https://pith.science/pith/2FESX2VZQOL34JIRO3NNHVUUI7/action/citation_signature","submit_replication":"https://pith.science/pith/2FESX2VZQOL34JIRO3NNHVUUI7/action/replication_record"}},"created_at":"2026-05-18T01:12:19.632890+00:00","updated_at":"2026-05-18T01:12:19.632890+00:00"}