{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:LVRWS2I6KJ2DJO2UNQ4O32IGWZ","short_pith_number":"pith:LVRWS2I6","canonical_record":{"source":{"id":"1401.5743","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2014-01-22T18:06:23Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"0d84856203083fe67138bdecec961d5b9c5a870ecdb056c02565d23c171725d3","abstract_canon_sha256":"59df9c0db73964aee5e9e7f6924cfd30464abafcc9f97eb555edbf1385cf0605"},"schema_version":"1.0"},"canonical_sha256":"5d6369691e527434bb546c38ede906b643107702d1a0ae732139c18e139f721f","source":{"kind":"arxiv","id":"1401.5743","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.5743","created_at":"2026-05-18T03:01:24Z"},{"alias_kind":"arxiv_version","alias_value":"1401.5743v1","created_at":"2026-05-18T03:01:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.5743","created_at":"2026-05-18T03:01:24Z"},{"alias_kind":"pith_short_12","alias_value":"LVRWS2I6KJ2D","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LVRWS2I6KJ2DJO2U","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LVRWS2I6","created_at":"2026-05-18T12:28:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:LVRWS2I6KJ2DJO2UNQ4O32IGWZ","target":"record","payload":{"canonical_record":{"source":{"id":"1401.5743","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2014-01-22T18:06:23Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"0d84856203083fe67138bdecec961d5b9c5a870ecdb056c02565d23c171725d3","abstract_canon_sha256":"59df9c0db73964aee5e9e7f6924cfd30464abafcc9f97eb555edbf1385cf0605"},"schema_version":"1.0"},"canonical_sha256":"5d6369691e527434bb546c38ede906b643107702d1a0ae732139c18e139f721f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:01:24.793410Z","signature_b64":"qxsvzSJTAmLFa6c8xxmQWsPvKik3Qa9RVga3f4APYken/7Af/SHtw2iTUIVxObvxKoZVZ8CZx3EMsZ2kyUDNDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5d6369691e527434bb546c38ede906b643107702d1a0ae732139c18e139f721f","last_reissued_at":"2026-05-18T03:01:24.792669Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:01:24.792669Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.5743","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:01:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZomajHXfE8+1iYODVpHM+sW7/ObAw3DRaTIomZOwJGMyvYgoVn/S9Od0EZrmnmV5GWqLePPZmcDvcXCgmG9ZBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T02:52:34.594878Z"},"content_sha256":"cbb02cd33abcba98deea3c861cecf9143e363d1f8175a7ba9ad2098d7d7326c8","schema_version":"1.0","event_id":"sha256:cbb02cd33abcba98deea3c861cecf9143e363d1f8175a7ba9ad2098d7d7326c8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:LVRWS2I6KJ2DJO2UNQ4O32IGWZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Impact of Social Segregation on Human Mobility in Developing and Urbanized Regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.soc-ph"],"primary_cat":"cs.SI","authors_text":"Alexander Amini, Carlo Ratti, Chaogui Kang, Kevin Kung, Stanislav Sobolevsky","submitted_at":"2014-01-22T18:06:23Z","abstract_excerpt":"This study leverages mobile phone data to analyze human mobility patterns in developing countries, especially in comparison to more industrialized countries. Developing regions, such as the Ivory Coast, are marked by a number of factors that may influence mobility, such as less infrastructural coverage and maturity, less economic resources and stability, and in some cases, more cultural and language-based diversity. By comparing mobile phone data collected from the Ivory Coast to similar data collected in Portugal, we are able to highlight both qualitative and quantitative differences in mobil"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.5743","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:01:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2NZosxeg+F0skGG+GuNz9eu0u44sBej/U19zQCUuHHkkebyxoagaVZAX8w+qGZ4ys8VrnwnaVQO3nOJ0FjBGDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T02:52:34.595523Z"},"content_sha256":"21cadde5fa0b967956dd47133292d42898e6fbc95ba1a3140e4c4fcd4732afe6","schema_version":"1.0","event_id":"sha256:21cadde5fa0b967956dd47133292d42898e6fbc95ba1a3140e4c4fcd4732afe6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LVRWS2I6KJ2DJO2UNQ4O32IGWZ/bundle.json","state_url":"https://pith.science/pith/LVRWS2I6KJ2DJO2UNQ4O32IGWZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LVRWS2I6KJ2DJO2UNQ4O32IGWZ/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":"2026-05-28T02:52:34Z","links":{"resolver":"https://pith.science/pith/LVRWS2I6KJ2DJO2UNQ4O32IGWZ","bundle":"https://pith.science/pith/LVRWS2I6KJ2DJO2UNQ4O32IGWZ/bundle.json","state":"https://pith.science/pith/LVRWS2I6KJ2DJO2UNQ4O32IGWZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LVRWS2I6KJ2DJO2UNQ4O32IGWZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:LVRWS2I6KJ2DJO2UNQ4O32IGWZ","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":"59df9c0db73964aee5e9e7f6924cfd30464abafcc9f97eb555edbf1385cf0605","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2014-01-22T18:06:23Z","title_canon_sha256":"0d84856203083fe67138bdecec961d5b9c5a870ecdb056c02565d23c171725d3"},"schema_version":"1.0","source":{"id":"1401.5743","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.5743","created_at":"2026-05-18T03:01:24Z"},{"alias_kind":"arxiv_version","alias_value":"1401.5743v1","created_at":"2026-05-18T03:01:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.5743","created_at":"2026-05-18T03:01:24Z"},{"alias_kind":"pith_short_12","alias_value":"LVRWS2I6KJ2D","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_16","alias_value":"LVRWS2I6KJ2DJO2U","created_at":"2026-05-18T12:28:38Z"},{"alias_kind":"pith_short_8","alias_value":"LVRWS2I6","created_at":"2026-05-18T12:28:38Z"}],"graph_snapshots":[{"event_id":"sha256:21cadde5fa0b967956dd47133292d42898e6fbc95ba1a3140e4c4fcd4732afe6","target":"graph","created_at":"2026-05-18T03:01:24Z","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"},"paper":{"abstract_excerpt":"This study leverages mobile phone data to analyze human mobility patterns in developing countries, especially in comparison to more industrialized countries. Developing regions, such as the Ivory Coast, are marked by a number of factors that may influence mobility, such as less infrastructural coverage and maturity, less economic resources and stability, and in some cases, more cultural and language-based diversity. By comparing mobile phone data collected from the Ivory Coast to similar data collected in Portugal, we are able to highlight both qualitative and quantitative differences in mobil","authors_text":"Alexander Amini, Carlo Ratti, Chaogui Kang, Kevin Kung, Stanislav Sobolevsky","cross_cats":["physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2014-01-22T18:06:23Z","title":"The Impact of Social Segregation on Human Mobility in Developing and Urbanized Regions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.5743","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:cbb02cd33abcba98deea3c861cecf9143e363d1f8175a7ba9ad2098d7d7326c8","target":"record","created_at":"2026-05-18T03:01:24Z","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":"59df9c0db73964aee5e9e7f6924cfd30464abafcc9f97eb555edbf1385cf0605","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2014-01-22T18:06:23Z","title_canon_sha256":"0d84856203083fe67138bdecec961d5b9c5a870ecdb056c02565d23c171725d3"},"schema_version":"1.0","source":{"id":"1401.5743","kind":"arxiv","version":1}},"canonical_sha256":"5d6369691e527434bb546c38ede906b643107702d1a0ae732139c18e139f721f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5d6369691e527434bb546c38ede906b643107702d1a0ae732139c18e139f721f","first_computed_at":"2026-05-18T03:01:24.792669Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:01:24.792669Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qxsvzSJTAmLFa6c8xxmQWsPvKik3Qa9RVga3f4APYken/7Af/SHtw2iTUIVxObvxKoZVZ8CZx3EMsZ2kyUDNDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:01:24.793410Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.5743","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cbb02cd33abcba98deea3c861cecf9143e363d1f8175a7ba9ad2098d7d7326c8","sha256:21cadde5fa0b967956dd47133292d42898e6fbc95ba1a3140e4c4fcd4732afe6"],"state_sha256":"567c819484b8d3b0c0abe3583fe7e0bc728d504413de9ba223c091e501584054"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e6vSZ6ncnABcfGWc3el93KYxm/FLLWDA/6pbIIAEzyAmN8tr/tMyasOJcQ/50gIP9S/vOQRJnwka9A00KcBeBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T02:52:34.598604Z","bundle_sha256":"e3a5eb338f615c32b8dca8d72382108777fe8da95ad9af23374edeb3d434a161"}}