{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:4YGZNBBOXWWZ4MT2H5G52JOI6V","short_pith_number":"pith:4YGZNBBO","canonical_record":{"source":{"id":"2303.15614","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2023-03-27T21:48:38Z","cross_cats_sorted":[],"title_canon_sha256":"b1e2976b020b1492967fd8f52e7a5f89cfe3a353daea95578f048fc8f500efd6","abstract_canon_sha256":"12ef8bc9894d88664a49737bce00d304a6428118952c186f15a85f6d5a1f0e79"},"schema_version":"1.0"},"canonical_sha256":"e60d96842ebdad9e327a3f4ddd25c8f55f607b435d7a71d4d88a6c3cbad3fada","source":{"kind":"arxiv","id":"2303.15614","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.15614","created_at":"2026-07-05T05:55:25Z"},{"alias_kind":"arxiv_version","alias_value":"2303.15614v1","created_at":"2026-07-05T05:55:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.15614","created_at":"2026-07-05T05:55:25Z"},{"alias_kind":"pith_short_12","alias_value":"4YGZNBBOXWWZ","created_at":"2026-07-05T05:55:25Z"},{"alias_kind":"pith_short_16","alias_value":"4YGZNBBOXWWZ4MT2","created_at":"2026-07-05T05:55:25Z"},{"alias_kind":"pith_short_8","alias_value":"4YGZNBBO","created_at":"2026-07-05T05:55:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:4YGZNBBOXWWZ4MT2H5G52JOI6V","target":"record","payload":{"canonical_record":{"source":{"id":"2303.15614","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2023-03-27T21:48:38Z","cross_cats_sorted":[],"title_canon_sha256":"b1e2976b020b1492967fd8f52e7a5f89cfe3a353daea95578f048fc8f500efd6","abstract_canon_sha256":"12ef8bc9894d88664a49737bce00d304a6428118952c186f15a85f6d5a1f0e79"},"schema_version":"1.0"},"canonical_sha256":"e60d96842ebdad9e327a3f4ddd25c8f55f607b435d7a71d4d88a6c3cbad3fada","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:55:25.847814Z","signature_b64":"lGuAWnkHOPUp+mI379EBr/mknCQvoczAzCjFKffHGOmM6dVc2+Xndkp/bSJct4elt+vNBV41/m7XvKKKIRryAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e60d96842ebdad9e327a3f4ddd25c8f55f607b435d7a71d4d88a6c3cbad3fada","last_reissued_at":"2026-07-05T05:55:25.847425Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:55:25.847425Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.15614","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":"2026-07-05T05:55:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nPi7YqpijkUYP/DoPTrOUiTj0eljZlpddnpwA3BYszBDru2UzGlEOSQo/jYSxQ7B7b7x+wQly7I/QqSGmSkSDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T05:32:42.910311Z"},"content_sha256":"85466ad9be4cd40742d8ff5b6a3e344fe77ef53aea6cd57c0ce3cec70cd39cbb","schema_version":"1.0","event_id":"sha256:85466ad9be4cd40742d8ff5b6a3e344fe77ef53aea6cd57c0ce3cec70cd39cbb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:4YGZNBBOXWWZ4MT2H5G52JOI6V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modeling Population Movements under Uncertainty at the Border in Humanitarian Crises: A Situational Analysis Tool","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CY","authors_text":"Arturo de Nieves Gutierrez de Rubalcava, Azra Ismail, Catherine Schneider, Chao Huang, Fred Sekidde, Giulia del Panta, Joseph Aylett-Bullock, Katherine Hoffmann Pham, Miguel Luengo-Oroz, Oscar Sanchez Pi\\~neiro, Rebeca Moreno Jim\\'enez, Sofia Kyriazi, Vanessa Maign\\'e","submitted_at":"2023-03-27T21:48:38Z","abstract_excerpt":"Humanitarian agencies must be prepared to mobilize quickly in response to complex emergencies, and their effectiveness depends on their ability to identify, anticipate, and prepare for future needs. These are typically highly uncertain situations in which predictive modeling tools can be useful but challenging to build. To better understand the need for humanitarian support -- including shelter and assistance -- and strengthen contingency planning and protection efforts for displaced populations, we present a situational analysis tool to help anticipate the number of migrants and forcibly disp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.15614","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2303.15614/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:55:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uXwzH30YkGEZMOnZwwrZqkVAMLQR5tYqOV03BJv8JjPmb7Wvngga8vzsOEPf7o/Jk4ZF7i91qIqtIZzPgqaaCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T05:32:42.910868Z"},"content_sha256":"9ad8146ad973ea711c2baa00b3f85d805d1f3185964679cefffedd46d17fa038","schema_version":"1.0","event_id":"sha256:9ad8146ad973ea711c2baa00b3f85d805d1f3185964679cefffedd46d17fa038"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4YGZNBBOXWWZ4MT2H5G52JOI6V/bundle.json","state_url":"https://pith.science/pith/4YGZNBBOXWWZ4MT2H5G52JOI6V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4YGZNBBOXWWZ4MT2H5G52JOI6V/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":"2026-08-01T05:32:42Z","links":{"resolver":"https://pith.science/pith/4YGZNBBOXWWZ4MT2H5G52JOI6V","bundle":"https://pith.science/pith/4YGZNBBOXWWZ4MT2H5G52JOI6V/bundle.json","state":"https://pith.science/pith/4YGZNBBOXWWZ4MT2H5G52JOI6V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4YGZNBBOXWWZ4MT2H5G52JOI6V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:4YGZNBBOXWWZ4MT2H5G52JOI6V","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":"12ef8bc9894d88664a49737bce00d304a6428118952c186f15a85f6d5a1f0e79","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2023-03-27T21:48:38Z","title_canon_sha256":"b1e2976b020b1492967fd8f52e7a5f89cfe3a353daea95578f048fc8f500efd6"},"schema_version":"1.0","source":{"id":"2303.15614","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.15614","created_at":"2026-07-05T05:55:25Z"},{"alias_kind":"arxiv_version","alias_value":"2303.15614v1","created_at":"2026-07-05T05:55:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.15614","created_at":"2026-07-05T05:55:25Z"},{"alias_kind":"pith_short_12","alias_value":"4YGZNBBOXWWZ","created_at":"2026-07-05T05:55:25Z"},{"alias_kind":"pith_short_16","alias_value":"4YGZNBBOXWWZ4MT2","created_at":"2026-07-05T05:55:25Z"},{"alias_kind":"pith_short_8","alias_value":"4YGZNBBO","created_at":"2026-07-05T05:55:25Z"}],"graph_snapshots":[{"event_id":"sha256:9ad8146ad973ea711c2baa00b3f85d805d1f3185964679cefffedd46d17fa038","target":"graph","created_at":"2026-07-05T05:55:25Z","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/2303.15614/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Humanitarian agencies must be prepared to mobilize quickly in response to complex emergencies, and their effectiveness depends on their ability to identify, anticipate, and prepare for future needs. These are typically highly uncertain situations in which predictive modeling tools can be useful but challenging to build. To better understand the need for humanitarian support -- including shelter and assistance -- and strengthen contingency planning and protection efforts for displaced populations, we present a situational analysis tool to help anticipate the number of migrants and forcibly disp","authors_text":"Arturo de Nieves Gutierrez de Rubalcava, Azra Ismail, Catherine Schneider, Chao Huang, Fred Sekidde, Giulia del Panta, Joseph Aylett-Bullock, Katherine Hoffmann Pham, Miguel Luengo-Oroz, Oscar Sanchez Pi\\~neiro, Rebeca Moreno Jim\\'enez, Sofia Kyriazi, Vanessa Maign\\'e","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2023-03-27T21:48:38Z","title":"Modeling Population Movements under Uncertainty at the Border in Humanitarian Crises: A Situational Analysis Tool"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.15614","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":"sha256:85466ad9be4cd40742d8ff5b6a3e344fe77ef53aea6cd57c0ce3cec70cd39cbb","target":"record","created_at":"2026-07-05T05:55:25Z","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":"12ef8bc9894d88664a49737bce00d304a6428118952c186f15a85f6d5a1f0e79","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2023-03-27T21:48:38Z","title_canon_sha256":"b1e2976b020b1492967fd8f52e7a5f89cfe3a353daea95578f048fc8f500efd6"},"schema_version":"1.0","source":{"id":"2303.15614","kind":"arxiv","version":1}},"canonical_sha256":"e60d96842ebdad9e327a3f4ddd25c8f55f607b435d7a71d4d88a6c3cbad3fada","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e60d96842ebdad9e327a3f4ddd25c8f55f607b435d7a71d4d88a6c3cbad3fada","first_computed_at":"2026-07-05T05:55:25.847425Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:55:25.847425Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lGuAWnkHOPUp+mI379EBr/mknCQvoczAzCjFKffHGOmM6dVc2+Xndkp/bSJct4elt+vNBV41/m7XvKKKIRryAw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:55:25.847814Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.15614","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:85466ad9be4cd40742d8ff5b6a3e344fe77ef53aea6cd57c0ce3cec70cd39cbb","sha256:9ad8146ad973ea711c2baa00b3f85d805d1f3185964679cefffedd46d17fa038"],"state_sha256":"a047caec858869f5ad18efb83a485e1fc9dd99643328d7b0265d4e85336d748f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YkWxHH++HratIbYIcvq1JWehAlY12NvjHsERjFgibGbqZVQF8vXlqI5fBl2J3ziiIHyACgxj9hq6708vnt3jBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T05:32:42.915561Z","bundle_sha256":"5ce4866b92cad4169d2d721dcff6efb83a36ca9e5b82cf5a95bdc562ab35973c"}}