{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:XPPJEYAQFY4OBHNGCDKUUXKPXV","short_pith_number":"pith:XPPJEYAQ","schema_version":"1.0","canonical_sha256":"bbde9260102e38e09da610d54a5d4fbd549a6ea1ec6bf9a2f2d0781dec1b3e66","source":{"kind":"arxiv","id":"1606.06162","version":1},"attestation_state":"computed","paper":{"title":"MetaZipf. (Re)producing knowledge about city size distributions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.soc-ph","authors_text":"Clementine Cottineau","submitted_at":"2016-06-20T15:03:42Z","abstract_excerpt":"Zipf's law for cities is probably the most famous regularity in social sciences. So much that, a hundred years of publication later, its status is not clear: is it a law of social organisation? Is it an instrument of description of city size distributions? Is it an element of validation of geographical objects (cities and systems of cities in particular)? Empirical estimations of the rank-size parameters are very numerous and contradict each other. In this study, we present the results of a reproducible meta-analysis of the largest pool of papers regarding this issue, obtained from the collect"},"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":"1606.06162","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2016-06-20T15:03:42Z","cross_cats_sorted":[],"title_canon_sha256":"b826ebe2e8e5fab51debfab50b75ed85ce4998ea1125f500414cd2be5f88145d","abstract_canon_sha256":"7d666dc9046eb78c96b7272e0214d799d7e5961dd8c686d60a26ed970ff7edca"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:27.835868Z","signature_b64":"Ikob6zLdQtCpPeCr1XlmQ7CI4RvOfN/oymD2+7VOfY6L+FPzxy/ijBHjk0MYfoc8eq50RCITbRo+SCbcsX/SBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bbde9260102e38e09da610d54a5d4fbd549a6ea1ec6bf9a2f2d0781dec1b3e66","last_reissued_at":"2026-05-18T00:33:27.835182Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:27.835182Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"MetaZipf. (Re)producing knowledge about city size distributions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.soc-ph","authors_text":"Clementine Cottineau","submitted_at":"2016-06-20T15:03:42Z","abstract_excerpt":"Zipf's law for cities is probably the most famous regularity in social sciences. So much that, a hundred years of publication later, its status is not clear: is it a law of social organisation? Is it an instrument of description of city size distributions? Is it an element of validation of geographical objects (cities and systems of cities in particular)? Empirical estimations of the rank-size parameters are very numerous and contradict each other. In this study, we present the results of a reproducible meta-analysis of the largest pool of papers regarding this issue, obtained from the collect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.06162","kind":"arxiv","version":1},"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":"1606.06162","created_at":"2026-05-18T00:33:27.835295+00:00"},{"alias_kind":"arxiv_version","alias_value":"1606.06162v1","created_at":"2026-05-18T00:33:27.835295+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.06162","created_at":"2026-05-18T00:33:27.835295+00:00"},{"alias_kind":"pith_short_12","alias_value":"XPPJEYAQFY4O","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_16","alias_value":"XPPJEYAQFY4OBHNG","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_8","alias_value":"XPPJEYAQ","created_at":"2026-05-18T12:30:51.357362+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/XPPJEYAQFY4OBHNGCDKUUXKPXV","json":"https://pith.science/pith/XPPJEYAQFY4OBHNGCDKUUXKPXV.json","graph_json":"https://pith.science/api/pith-number/XPPJEYAQFY4OBHNGCDKUUXKPXV/graph.json","events_json":"https://pith.science/api/pith-number/XPPJEYAQFY4OBHNGCDKUUXKPXV/events.json","paper":"https://pith.science/paper/XPPJEYAQ"},"agent_actions":{"view_html":"https://pith.science/pith/XPPJEYAQFY4OBHNGCDKUUXKPXV","download_json":"https://pith.science/pith/XPPJEYAQFY4OBHNGCDKUUXKPXV.json","view_paper":"https://pith.science/paper/XPPJEYAQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1606.06162&json=true","fetch_graph":"https://pith.science/api/pith-number/XPPJEYAQFY4OBHNGCDKUUXKPXV/graph.json","fetch_events":"https://pith.science/api/pith-number/XPPJEYAQFY4OBHNGCDKUUXKPXV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XPPJEYAQFY4OBHNGCDKUUXKPXV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XPPJEYAQFY4OBHNGCDKUUXKPXV/action/storage_attestation","attest_author":"https://pith.science/pith/XPPJEYAQFY4OBHNGCDKUUXKPXV/action/author_attestation","sign_citation":"https://pith.science/pith/XPPJEYAQFY4OBHNGCDKUUXKPXV/action/citation_signature","submit_replication":"https://pith.science/pith/XPPJEYAQFY4OBHNGCDKUUXKPXV/action/replication_record"}},"created_at":"2026-05-18T00:33:27.835295+00:00","updated_at":"2026-05-18T00:33:27.835295+00:00"}