{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:A4HDOHADKULQNVLSHGEQOVO6GV","short_pith_number":"pith:A4HDOHAD","canonical_record":{"source":{"id":"1411.6574","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2014-11-24T19:01:39Z","cross_cats_sorted":[],"title_canon_sha256":"99d6712520af762bbb7fb47958226e2585745c892c3d864078bd62f8b686e05b","abstract_canon_sha256":"2bbf0b4544f656312e6d44cf5e62a38113afc79728bd162b12103faddb02f344"},"schema_version":"1.0"},"canonical_sha256":"070e371c03551706d57239890755de356897c76138d6d9cecaf3d0969ee2725f","source":{"kind":"arxiv","id":"1411.6574","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.6574","created_at":"2026-05-18T02:30:07Z"},{"alias_kind":"arxiv_version","alias_value":"1411.6574v1","created_at":"2026-05-18T02:30:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.6574","created_at":"2026-05-18T02:30:07Z"},{"alias_kind":"pith_short_12","alias_value":"A4HDOHADKULQ","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"A4HDOHADKULQNVLS","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"A4HDOHAD","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:A4HDOHADKULQNVLSHGEQOVO6GV","target":"record","payload":{"canonical_record":{"source":{"id":"1411.6574","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2014-11-24T19:01:39Z","cross_cats_sorted":[],"title_canon_sha256":"99d6712520af762bbb7fb47958226e2585745c892c3d864078bd62f8b686e05b","abstract_canon_sha256":"2bbf0b4544f656312e6d44cf5e62a38113afc79728bd162b12103faddb02f344"},"schema_version":"1.0"},"canonical_sha256":"070e371c03551706d57239890755de356897c76138d6d9cecaf3d0969ee2725f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:30:07.704146Z","signature_b64":"3ud1DdDAOBTJ0am4+N/dIZbj6ZwGFtpsuWi4p8AoJIAp8HW72w54gkbs2KZ/AAUHj1Qmn3sKX+vhc4veo6S7AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"070e371c03551706d57239890755de356897c76138d6d9cecaf3d0969ee2725f","last_reissued_at":"2026-05-18T02:30:07.703541Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:30:07.703541Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.6574","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":"2026-05-18T02:30:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Js9pgmbOLTz8eSaKUHKwsNnelWF5MKMrOY3BB5IesWrqBEPLa/y0QV23QG0ybScUwXow/G2spYfiGqad+6JCAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:28:14.678470Z"},"content_sha256":"5688db74ff661a585a4f0ff80a828086358887e22c2033d649aaf2eb7d5a7987","schema_version":"1.0","event_id":"sha256:5688db74ff661a585a4f0ff80a828086358887e22c2033d649aaf2eb7d5a7987"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:A4HDOHADKULQNVLSHGEQOVO6GV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Flooding through the lens of mobile phone activity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CY","authors_text":"Alex Rutherford, Alfredo Morales-Guzm\\'an, Amit Wadhwa, Carlos Castro-Correa, David Pastor-Escuredo, Enrique Frias-Martinez, Jean-Martin Bauer, Jong Gun Lee, Liudmyla Romanoff, Miguel Luengo-Oroz, Nuria Oliver, Vanessa Frias-Martinez, Yolanda Torres-Fern\\'andez","submitted_at":"2014-11-24T19:01:39Z","abstract_excerpt":"Natural disasters affect hundreds of millions of people worldwide every year. Emergency response efforts depend upon the availability of timely information, such as information concerning the movements of affected populations. The analysis of aggregated and anonymized Call Detail Records (CDR) captured from the mobile phone infrastructure provides new possibilities to characterize human behavior during critical events. In this work, we investigate the viability of using CDR data combined with other sources of information to characterize the floods that occurred in Tabasco, Mexico in 2009. An i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.6574","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":"2026-05-18T02:30:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TvJQXuRABbKRUO2uLwa9305XjyCUE3vQ5R4CbZr9xuMzL6svCLkuGqMttke+Hgugl+vTrZycMbB5PkWY8mVpDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:28:14.679138Z"},"content_sha256":"e37e1ede17f850a5cf1bc89940192658821006b6b46ebf47e730c5c46ac53889","schema_version":"1.0","event_id":"sha256:e37e1ede17f850a5cf1bc89940192658821006b6b46ebf47e730c5c46ac53889"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A4HDOHADKULQNVLSHGEQOVO6GV/bundle.json","state_url":"https://pith.science/pith/A4HDOHADKULQNVLSHGEQOVO6GV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A4HDOHADKULQNVLSHGEQOVO6GV/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":"2026-05-27T04:28:14Z","links":{"resolver":"https://pith.science/pith/A4HDOHADKULQNVLSHGEQOVO6GV","bundle":"https://pith.science/pith/A4HDOHADKULQNVLSHGEQOVO6GV/bundle.json","state":"https://pith.science/pith/A4HDOHADKULQNVLSHGEQOVO6GV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A4HDOHADKULQNVLSHGEQOVO6GV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:A4HDOHADKULQNVLSHGEQOVO6GV","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":"2bbf0b4544f656312e6d44cf5e62a38113afc79728bd162b12103faddb02f344","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2014-11-24T19:01:39Z","title_canon_sha256":"99d6712520af762bbb7fb47958226e2585745c892c3d864078bd62f8b686e05b"},"schema_version":"1.0","source":{"id":"1411.6574","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.6574","created_at":"2026-05-18T02:30:07Z"},{"alias_kind":"arxiv_version","alias_value":"1411.6574v1","created_at":"2026-05-18T02:30:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.6574","created_at":"2026-05-18T02:30:07Z"},{"alias_kind":"pith_short_12","alias_value":"A4HDOHADKULQ","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"A4HDOHADKULQNVLS","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"A4HDOHAD","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:e37e1ede17f850a5cf1bc89940192658821006b6b46ebf47e730c5c46ac53889","target":"graph","created_at":"2026-05-18T02:30:07Z","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":"Natural disasters affect hundreds of millions of people worldwide every year. Emergency response efforts depend upon the availability of timely information, such as information concerning the movements of affected populations. The analysis of aggregated and anonymized Call Detail Records (CDR) captured from the mobile phone infrastructure provides new possibilities to characterize human behavior during critical events. In this work, we investigate the viability of using CDR data combined with other sources of information to characterize the floods that occurred in Tabasco, Mexico in 2009. An i","authors_text":"Alex Rutherford, Alfredo Morales-Guzm\\'an, Amit Wadhwa, Carlos Castro-Correa, David Pastor-Escuredo, Enrique Frias-Martinez, Jean-Martin Bauer, Jong Gun Lee, Liudmyla Romanoff, Miguel Luengo-Oroz, Nuria Oliver, Vanessa Frias-Martinez, Yolanda Torres-Fern\\'andez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2014-11-24T19:01:39Z","title":"Flooding through the lens of mobile phone activity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.6574","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":"sha256:5688db74ff661a585a4f0ff80a828086358887e22c2033d649aaf2eb7d5a7987","target":"record","created_at":"2026-05-18T02:30:07Z","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":"2bbf0b4544f656312e6d44cf5e62a38113afc79728bd162b12103faddb02f344","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2014-11-24T19:01:39Z","title_canon_sha256":"99d6712520af762bbb7fb47958226e2585745c892c3d864078bd62f8b686e05b"},"schema_version":"1.0","source":{"id":"1411.6574","kind":"arxiv","version":1}},"canonical_sha256":"070e371c03551706d57239890755de356897c76138d6d9cecaf3d0969ee2725f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"070e371c03551706d57239890755de356897c76138d6d9cecaf3d0969ee2725f","first_computed_at":"2026-05-18T02:30:07.703541Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:30:07.703541Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3ud1DdDAOBTJ0am4+N/dIZbj6ZwGFtpsuWi4p8AoJIAp8HW72w54gkbs2KZ/AAUHj1Qmn3sKX+vhc4veo6S7AA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:30:07.704146Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.6574","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5688db74ff661a585a4f0ff80a828086358887e22c2033d649aaf2eb7d5a7987","sha256:e37e1ede17f850a5cf1bc89940192658821006b6b46ebf47e730c5c46ac53889"],"state_sha256":"c42f8d1e5b9e1f02a8ab2bab180ba3b482c5076cbd7a2d954105e378cc4f4218"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JP2rdZ00+fSygm8A2NXTbtQi+IX6BF1/4dGrJFN4FfaTc4IrU3MV6mkUMOwJo8OF+NlKQ3DkLsRUutCHoqihBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T04:28:14.682648Z","bundle_sha256":"1537f679e4a1f5de5727c354acb8a3fbdcddb56ae66fa67751c2531b10a3918c"}}