{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:WLJB3NSSXIOIQENH4JQ6UDTDVM","short_pith_number":"pith:WLJB3NSS","canonical_record":{"source":{"id":"2312.16225","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2023-12-24T16:14:34Z","cross_cats_sorted":[],"title_canon_sha256":"a720a57347eb12316dccc65af56c0da47f9358eec31ee68210a130c432a2180e","abstract_canon_sha256":"d2eaded63487468627a9c58b1010f5434d9b88f635c9f462d81cf3532215cf1d"},"schema_version":"1.0"},"canonical_sha256":"b2d21db652ba1c8811a7e261ea0e63ab0fc73d14542b5348ee181bec64ca6904","source":{"kind":"arxiv","id":"2312.16225","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.16225","created_at":"2026-07-05T07:28:14Z"},{"alias_kind":"arxiv_version","alias_value":"2312.16225v1","created_at":"2026-07-05T07:28:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.16225","created_at":"2026-07-05T07:28:14Z"},{"alias_kind":"pith_short_12","alias_value":"WLJB3NSSXIOI","created_at":"2026-07-05T07:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"WLJB3NSSXIOIQENH","created_at":"2026-07-05T07:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"WLJB3NSS","created_at":"2026-07-05T07:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:WLJB3NSSXIOIQENH4JQ6UDTDVM","target":"record","payload":{"canonical_record":{"source":{"id":"2312.16225","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2023-12-24T16:14:34Z","cross_cats_sorted":[],"title_canon_sha256":"a720a57347eb12316dccc65af56c0da47f9358eec31ee68210a130c432a2180e","abstract_canon_sha256":"d2eaded63487468627a9c58b1010f5434d9b88f635c9f462d81cf3532215cf1d"},"schema_version":"1.0"},"canonical_sha256":"b2d21db652ba1c8811a7e261ea0e63ab0fc73d14542b5348ee181bec64ca6904","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:28:14.667441Z","signature_b64":"AdeZVfI/j99TY2BfnjKAF1WHX8p1MyrpKNe7U5MhtkMTvbFWbMYiL9EbxK2w49aN14weLIo5NovxPkxK+Z9UDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b2d21db652ba1c8811a7e261ea0e63ab0fc73d14542b5348ee181bec64ca6904","last_reissued_at":"2026-07-05T07:28:14.666968Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:28:14.666968Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.16225","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":"2026-07-05T07:28:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Uj1MvB0BeKeHJLo5HSSiH7HNzHrncTRcc3jCvN6cyH1AvKO5tQ7diNND6DgH3mY2IYZN4tZNMr9z92w7aq0CBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T23:16:48.187150Z"},"content_sha256":"adc58606c4af0e2e0ebf9ab1335dbb1855fd06ac75c28064c76c0c91d36881dc","schema_version":"1.0","event_id":"sha256:adc58606c4af0e2e0ebf9ab1335dbb1855fd06ac75c28064c76c0c91d36881dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:WLJB3NSSXIOIQENH4JQ6UDTDVM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulating Pedestrian Avoidance: The Humans vs Zombies Scenario","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.soc-ph","authors_text":"Daniel R. Parisi, German A. Patterson, Juan P. Oriana","submitted_at":"2023-12-24T16:14:34Z","abstract_excerpt":"This study introduces a unique active matter system as an application of the pedestrian collision avoidance paradigm, that proposes dynamically adjusting the desired velocity. We present a fictitious human-zombie scenario set within a closed geometry, combining prey-predator behavior with a one-way contagion process that can transform prey into predators. The system demonstrates varied responses, in cases where agents have the same maximum speeds, a single zombie always catches a human, whereas two zombies never catch a single human. As the number of human agents increases, observables, such a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.16225","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/2312.16225/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":"2026-07-05T07:28:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EbYCu2ebf3gnAyKy4NBR30wEOrIVyPRb/GY2oDoMdt8dye+nEYWLW6cmb5dsEWEMtAjkDKzbkxNyjnM+q3Z1Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T23:16:48.187653Z"},"content_sha256":"e990772d22d0b043ac9152c13492b918cbc9e4d341716a17c29ad6af68ca8f82","schema_version":"1.0","event_id":"sha256:e990772d22d0b043ac9152c13492b918cbc9e4d341716a17c29ad6af68ca8f82"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WLJB3NSSXIOIQENH4JQ6UDTDVM/bundle.json","state_url":"https://pith.science/pith/WLJB3NSSXIOIQENH4JQ6UDTDVM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WLJB3NSSXIOIQENH4JQ6UDTDVM/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":"2026-08-12T23:16:48Z","links":{"resolver":"https://pith.science/pith/WLJB3NSSXIOIQENH4JQ6UDTDVM","bundle":"https://pith.science/pith/WLJB3NSSXIOIQENH4JQ6UDTDVM/bundle.json","state":"https://pith.science/pith/WLJB3NSSXIOIQENH4JQ6UDTDVM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WLJB3NSSXIOIQENH4JQ6UDTDVM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:WLJB3NSSXIOIQENH4JQ6UDTDVM","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":"d2eaded63487468627a9c58b1010f5434d9b88f635c9f462d81cf3532215cf1d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2023-12-24T16:14:34Z","title_canon_sha256":"a720a57347eb12316dccc65af56c0da47f9358eec31ee68210a130c432a2180e"},"schema_version":"1.0","source":{"id":"2312.16225","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.16225","created_at":"2026-07-05T07:28:14Z"},{"alias_kind":"arxiv_version","alias_value":"2312.16225v1","created_at":"2026-07-05T07:28:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.16225","created_at":"2026-07-05T07:28:14Z"},{"alias_kind":"pith_short_12","alias_value":"WLJB3NSSXIOI","created_at":"2026-07-05T07:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"WLJB3NSSXIOIQENH","created_at":"2026-07-05T07:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"WLJB3NSS","created_at":"2026-07-05T07:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:e990772d22d0b043ac9152c13492b918cbc9e4d341716a17c29ad6af68ca8f82","target":"graph","created_at":"2026-07-05T07:28:14Z","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/2312.16225/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This study introduces a unique active matter system as an application of the pedestrian collision avoidance paradigm, that proposes dynamically adjusting the desired velocity. We present a fictitious human-zombie scenario set within a closed geometry, combining prey-predator behavior with a one-way contagion process that can transform prey into predators. The system demonstrates varied responses, in cases where agents have the same maximum speeds, a single zombie always catches a human, whereas two zombies never catch a single human. As the number of human agents increases, observables, such a","authors_text":"Daniel R. Parisi, German A. Patterson, Juan P. Oriana","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2023-12-24T16:14:34Z","title":"Simulating Pedestrian Avoidance: The Humans vs Zombies Scenario"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.16225","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:adc58606c4af0e2e0ebf9ab1335dbb1855fd06ac75c28064c76c0c91d36881dc","target":"record","created_at":"2026-07-05T07:28:14Z","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":"d2eaded63487468627a9c58b1010f5434d9b88f635c9f462d81cf3532215cf1d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.soc-ph","submitted_at":"2023-12-24T16:14:34Z","title_canon_sha256":"a720a57347eb12316dccc65af56c0da47f9358eec31ee68210a130c432a2180e"},"schema_version":"1.0","source":{"id":"2312.16225","kind":"arxiv","version":1}},"canonical_sha256":"b2d21db652ba1c8811a7e261ea0e63ab0fc73d14542b5348ee181bec64ca6904","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b2d21db652ba1c8811a7e261ea0e63ab0fc73d14542b5348ee181bec64ca6904","first_computed_at":"2026-07-05T07:28:14.666968Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:28:14.666968Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AdeZVfI/j99TY2BfnjKAF1WHX8p1MyrpKNe7U5MhtkMTvbFWbMYiL9EbxK2w49aN14weLIo5NovxPkxK+Z9UDw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:28:14.667441Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.16225","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:adc58606c4af0e2e0ebf9ab1335dbb1855fd06ac75c28064c76c0c91d36881dc","sha256:e990772d22d0b043ac9152c13492b918cbc9e4d341716a17c29ad6af68ca8f82"],"state_sha256":"30e1a2208eb8c8d19688370a002d29969ee1f15fc6de3001671872831a60a15c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9csnxwh5QPLvzb+bJjNTKvYl/KdH9kqUHZoYlrqDiHDt5F0vr4g5rCTnDdcK3yVcw6S2ZzU9sNWPTTIxNQ1KCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T23:16:48.192853Z","bundle_sha256":"d4a34cf6c0d7d2ef1d0d67f8ef5d7b479bbb500f305d5364096840800c5dcadd"}}