{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:6PE3MYIZAOBV6ROY6KWOV4RRHW","short_pith_number":"pith:6PE3MYIZ","canonical_record":{"source":{"id":"2601.01052","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2026-01-03T03:11:44Z","cross_cats_sorted":[],"title_canon_sha256":"acf05faec92711610027b5f33c2d554d873fbcc9f69d5984d09107b5d1c0d154","abstract_canon_sha256":"585ade13eb7a18a3b911449d92de15d90baef67814da16307062f7fa31937e60"},"schema_version":"1.0"},"canonical_sha256":"f3c9b6611903835f45d8f2aceaf2313d9f0d4dfe2b7d3ecefc8bf61f8b3cf757","source":{"kind":"arxiv","id":"2601.01052","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.01052","created_at":"2026-06-30T02:18:06Z"},{"alias_kind":"arxiv_version","alias_value":"2601.01052v1","created_at":"2026-06-30T02:18:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.01052","created_at":"2026-06-30T02:18:06Z"},{"alias_kind":"pith_short_12","alias_value":"6PE3MYIZAOBV","created_at":"2026-06-30T02:18:06Z"},{"alias_kind":"pith_short_16","alias_value":"6PE3MYIZAOBV6ROY","created_at":"2026-06-30T02:18:06Z"},{"alias_kind":"pith_short_8","alias_value":"6PE3MYIZ","created_at":"2026-06-30T02:18:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:6PE3MYIZAOBV6ROY6KWOV4RRHW","target":"record","payload":{"canonical_record":{"source":{"id":"2601.01052","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2026-01-03T03:11:44Z","cross_cats_sorted":[],"title_canon_sha256":"acf05faec92711610027b5f33c2d554d873fbcc9f69d5984d09107b5d1c0d154","abstract_canon_sha256":"585ade13eb7a18a3b911449d92de15d90baef67814da16307062f7fa31937e60"},"schema_version":"1.0"},"canonical_sha256":"f3c9b6611903835f45d8f2aceaf2313d9f0d4dfe2b7d3ecefc8bf61f8b3cf757","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-30T02:18:06.441651Z","signature_b64":"0Q5s8l/M4AWLFG3pTnbrOZn92T+p0kGGMe9oWXoYD/R+edIBKQfwBrqNmNJFtBSaV7dIifsRDKqd/eK5imugCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f3c9b6611903835f45d8f2aceaf2313d9f0d4dfe2b7d3ecefc8bf61f8b3cf757","last_reissued_at":"2026-06-30T02:18:06.441000Z","signature_status":"signed_v1","first_computed_at":"2026-06-30T02:18:06.441000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2601.01052","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":"2026-06-30T02:18:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uaKVAacwY92eEYmH6k4xDBwYH/XS5LvzdShFfLV1QoPv6ldbgd2Qd2rL4Mxw3pkf/S4AuINApTtxcKFgDkoBCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T02:38:28.590560Z"},"content_sha256":"cf842e9bc41d507272ae24e08d63e716c4967b482b3e16320ce95451844b0190","schema_version":"1.0","event_id":"sha256:cf842e9bc41d507272ae24e08d63e716c4967b482b3e16320ce95451844b0190"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:6PE3MYIZAOBV6ROY6KWOV4RRHW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Wildfire Evacuation Analysis Using Facebook Data: Evidence from Palisades and Eaton Fires","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"stat.AP","authors_text":"Ruggiero Lovreglio, Sangung Park, Shangkun Jiang, Susu Xu, Thomas J. Cova, Xilei Zhao","submitted_at":"2026-01-03T03:11:44Z","abstract_excerpt":"The growing frequency and intensity of wildfires pose serious threats to communities in wildland-urban interface regions. Understanding evacuation behavior is critical for effective emergency planning. This study analyzes evacuation during the 2025 Palisades and Eaton Fires using high-resolution Facebook data. We propose a comprehensive framework to derive wildfire evacuation-related metrics, including compliance rate, departure timing, delay, origin-destination flows, travel distance, and destination types. A new metric, Damage-Evacuation Disparity Index (DEDI), identifies areas with severe s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.01052","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/2601.01052/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":"2026-06-30T02:18:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EUh7UIA1escuIf1oQg6Z9E5jFCquraE0VWnqzWPfP2lRubhD+vYAlevAChAkKDR1o7JYSGjQvUiP7EWCnPG2BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T02:38:28.590932Z"},"content_sha256":"b6e915cc251db758926d967d57acf8ce4cc55ec431270a01028c58cb240e4d90","schema_version":"1.0","event_id":"sha256:b6e915cc251db758926d967d57acf8ce4cc55ec431270a01028c58cb240e4d90"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6PE3MYIZAOBV6ROY6KWOV4RRHW/bundle.json","state_url":"https://pith.science/pith/6PE3MYIZAOBV6ROY6KWOV4RRHW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6PE3MYIZAOBV6ROY6KWOV4RRHW/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":"2026-07-05T02:38:28Z","links":{"resolver":"https://pith.science/pith/6PE3MYIZAOBV6ROY6KWOV4RRHW","bundle":"https://pith.science/pith/6PE3MYIZAOBV6ROY6KWOV4RRHW/bundle.json","state":"https://pith.science/pith/6PE3MYIZAOBV6ROY6KWOV4RRHW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6PE3MYIZAOBV6ROY6KWOV4RRHW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:6PE3MYIZAOBV6ROY6KWOV4RRHW","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":"585ade13eb7a18a3b911449d92de15d90baef67814da16307062f7fa31937e60","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2026-01-03T03:11:44Z","title_canon_sha256":"acf05faec92711610027b5f33c2d554d873fbcc9f69d5984d09107b5d1c0d154"},"schema_version":"1.0","source":{"id":"2601.01052","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2601.01052","created_at":"2026-06-30T02:18:06Z"},{"alias_kind":"arxiv_version","alias_value":"2601.01052v1","created_at":"2026-06-30T02:18:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2601.01052","created_at":"2026-06-30T02:18:06Z"},{"alias_kind":"pith_short_12","alias_value":"6PE3MYIZAOBV","created_at":"2026-06-30T02:18:06Z"},{"alias_kind":"pith_short_16","alias_value":"6PE3MYIZAOBV6ROY","created_at":"2026-06-30T02:18:06Z"},{"alias_kind":"pith_short_8","alias_value":"6PE3MYIZ","created_at":"2026-06-30T02:18:06Z"}],"graph_snapshots":[{"event_id":"sha256:b6e915cc251db758926d967d57acf8ce4cc55ec431270a01028c58cb240e4d90","target":"graph","created_at":"2026-06-30T02:18:06Z","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/2601.01052/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The growing frequency and intensity of wildfires pose serious threats to communities in wildland-urban interface regions. Understanding evacuation behavior is critical for effective emergency planning. This study analyzes evacuation during the 2025 Palisades and Eaton Fires using high-resolution Facebook data. We propose a comprehensive framework to derive wildfire evacuation-related metrics, including compliance rate, departure timing, delay, origin-destination flows, travel distance, and destination types. A new metric, Damage-Evacuation Disparity Index (DEDI), identifies areas with severe s","authors_text":"Ruggiero Lovreglio, Sangung Park, Shangkun Jiang, Susu Xu, Thomas J. Cova, Xilei Zhao","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2026-01-03T03:11:44Z","title":"Wildfire Evacuation Analysis Using Facebook Data: Evidence from Palisades and Eaton Fires"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2601.01052","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:cf842e9bc41d507272ae24e08d63e716c4967b482b3e16320ce95451844b0190","target":"record","created_at":"2026-06-30T02:18:06Z","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":"585ade13eb7a18a3b911449d92de15d90baef67814da16307062f7fa31937e60","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2026-01-03T03:11:44Z","title_canon_sha256":"acf05faec92711610027b5f33c2d554d873fbcc9f69d5984d09107b5d1c0d154"},"schema_version":"1.0","source":{"id":"2601.01052","kind":"arxiv","version":1}},"canonical_sha256":"f3c9b6611903835f45d8f2aceaf2313d9f0d4dfe2b7d3ecefc8bf61f8b3cf757","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f3c9b6611903835f45d8f2aceaf2313d9f0d4dfe2b7d3ecefc8bf61f8b3cf757","first_computed_at":"2026-06-30T02:18:06.441000Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-30T02:18:06.441000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0Q5s8l/M4AWLFG3pTnbrOZn92T+p0kGGMe9oWXoYD/R+edIBKQfwBrqNmNJFtBSaV7dIifsRDKqd/eK5imugCQ==","signature_status":"signed_v1","signed_at":"2026-06-30T02:18:06.441651Z","signed_message":"canonical_sha256_bytes"},"source_id":"2601.01052","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf842e9bc41d507272ae24e08d63e716c4967b482b3e16320ce95451844b0190","sha256:b6e915cc251db758926d967d57acf8ce4cc55ec431270a01028c58cb240e4d90"],"state_sha256":"6215172e8a8173ed6021b9c59d48854332ade1444675c482db000f1481446916"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QeCDRZRV79EnDh75Xq8dDvvXQZT0wzRIPidAuQlxCNxkv8/yBJOM9ztVTk8V2a9Tit1dhEUcvOMT+nh6AdAaAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T02:38:28.592835Z","bundle_sha256":"03a5125851504f53f35f07f94b4e4ebd222dbb08dea2177eb700e39e9f91a18c"}}