{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:OPDMQHUCEAAEHUFFRZHXWH6AAE","short_pith_number":"pith:OPDMQHUC","canonical_record":{"source":{"id":"1610.07429","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2016-10-24T14:34:02Z","cross_cats_sorted":["physics.data-an"],"title_canon_sha256":"42a7cf06bbde219d22228f692862488083e6296be0b7e9ae74303be4d1fa2da8","abstract_canon_sha256":"f5051fccfe57f250268400ad80fc86da038f48761b49f5e06c276a88ed2f0b7c"},"schema_version":"1.0"},"canonical_sha256":"73c6c81e82200043d0a58e4f7b1fc001186f95ddf157760ff95012fdb8e843aa","source":{"kind":"arxiv","id":"1610.07429","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.07429","created_at":"2026-05-18T00:48:16Z"},{"alias_kind":"arxiv_version","alias_value":"1610.07429v1","created_at":"2026-05-18T00:48:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.07429","created_at":"2026-05-18T00:48:16Z"},{"alias_kind":"pith_short_12","alias_value":"OPDMQHUCEAAE","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"OPDMQHUCEAAEHUFF","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"OPDMQHUC","created_at":"2026-05-18T12:30:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:OPDMQHUCEAAEHUFFRZHXWH6AAE","target":"record","payload":{"canonical_record":{"source":{"id":"1610.07429","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2016-10-24T14:34:02Z","cross_cats_sorted":["physics.data-an"],"title_canon_sha256":"42a7cf06bbde219d22228f692862488083e6296be0b7e9ae74303be4d1fa2da8","abstract_canon_sha256":"f5051fccfe57f250268400ad80fc86da038f48761b49f5e06c276a88ed2f0b7c"},"schema_version":"1.0"},"canonical_sha256":"73c6c81e82200043d0a58e4f7b1fc001186f95ddf157760ff95012fdb8e843aa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:16.654151Z","signature_b64":"A06mFMZlNAIQCH+G8uQg3nN9Zs3CeXLiw/OS81FVQXgR9oA0+6NBZQ2QX+wlurf+QrOQ2MNgaNci15f4948GCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"73c6c81e82200043d0a58e4f7b1fc001186f95ddf157760ff95012fdb8e843aa","last_reissued_at":"2026-05-18T00:48:16.653350Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:16.653350Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.07429","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":"2026-05-18T00:48:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"99A4Ne8+USsOCUn/utVJp3KZa1teuZao1ZNrCId4cvv3a3zjxhzooVKpEMUYuqDYpQH1YUmXPqMkANekn1ObDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T19:02:17.954046Z"},"content_sha256":"848daf5a0f12fc3564a69ff05cf87f7259ab1d2b738eda377efe60732b1062b7","schema_version":"1.0","event_id":"sha256:848daf5a0f12fc3564a69ff05cf87f7259ab1d2b738eda377efe60732b1062b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:OPDMQHUCEAAEHUFFRZHXWH6AAE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fluctuations around mean walking behaviours in diluted pedestrian flows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.data-an"],"primary_cat":"physics.soc-ph","authors_text":"Adrian Muntean, Alessandro Corbetta, Chung-min Lee, Federico Toschi, Roberto Benzi","submitted_at":"2016-10-24T14:34:02Z","abstract_excerpt":"Understanding and modeling the dynamics of pedestrian crowds can help with designing and increasing the safety of civil facilities. A key feature of crowds is its intrinsic stochasticity, appearing even under very diluted conditions, due to the variability in individual behaviours. Individual stochasticity becomes even more important under densely crowded conditions, since it can be nonlinearly magnified and may lead to potentially dangerous collective behaviours. To understand quantitatively crowd stochasticity, we study the real-life dynamics of a large ensemble of pedestrians walking undist"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.07429","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":"2026-05-18T00:48:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2S7FSqRTKNsChbq+igxnMAjNFT2ABmqprqIWRyGBbV2V91Sm9Il5TIX1cuPKAHjCXKPxxyV/OklxhWWUu/TCAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T19:02:17.954466Z"},"content_sha256":"bb131e780942709b3eb2c2ac90bf029d5f0b6ebcf9e52b99fdbc50b29a9d2f1b","schema_version":"1.0","event_id":"sha256:bb131e780942709b3eb2c2ac90bf029d5f0b6ebcf9e52b99fdbc50b29a9d2f1b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OPDMQHUCEAAEHUFFRZHXWH6AAE/bundle.json","state_url":"https://pith.science/pith/OPDMQHUCEAAEHUFFRZHXWH6AAE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OPDMQHUCEAAEHUFFRZHXWH6AAE/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":"2026-05-22T19:02:17Z","links":{"resolver":"https://pith.science/pith/OPDMQHUCEAAEHUFFRZHXWH6AAE","bundle":"https://pith.science/pith/OPDMQHUCEAAEHUFFRZHXWH6AAE/bundle.json","state":"https://pith.science/pith/OPDMQHUCEAAEHUFFRZHXWH6AAE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OPDMQHUCEAAEHUFFRZHXWH6AAE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:OPDMQHUCEAAEHUFFRZHXWH6AAE","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":"f5051fccfe57f250268400ad80fc86da038f48761b49f5e06c276a88ed2f0b7c","cross_cats_sorted":["physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2016-10-24T14:34:02Z","title_canon_sha256":"42a7cf06bbde219d22228f692862488083e6296be0b7e9ae74303be4d1fa2da8"},"schema_version":"1.0","source":{"id":"1610.07429","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.07429","created_at":"2026-05-18T00:48:16Z"},{"alias_kind":"arxiv_version","alias_value":"1610.07429v1","created_at":"2026-05-18T00:48:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.07429","created_at":"2026-05-18T00:48:16Z"},{"alias_kind":"pith_short_12","alias_value":"OPDMQHUCEAAE","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"OPDMQHUCEAAEHUFF","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"OPDMQHUC","created_at":"2026-05-18T12:30:36Z"}],"graph_snapshots":[{"event_id":"sha256:bb131e780942709b3eb2c2ac90bf029d5f0b6ebcf9e52b99fdbc50b29a9d2f1b","target":"graph","created_at":"2026-05-18T00:48:16Z","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":"Understanding and modeling the dynamics of pedestrian crowds can help with designing and increasing the safety of civil facilities. A key feature of crowds is its intrinsic stochasticity, appearing even under very diluted conditions, due to the variability in individual behaviours. Individual stochasticity becomes even more important under densely crowded conditions, since it can be nonlinearly magnified and may lead to potentially dangerous collective behaviours. To understand quantitatively crowd stochasticity, we study the real-life dynamics of a large ensemble of pedestrians walking undist","authors_text":"Adrian Muntean, Alessandro Corbetta, Chung-min Lee, Federico Toschi, Roberto Benzi","cross_cats":["physics.data-an"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2016-10-24T14:34:02Z","title":"Fluctuations around mean walking behaviours in diluted pedestrian flows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.07429","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":"sha256:848daf5a0f12fc3564a69ff05cf87f7259ab1d2b738eda377efe60732b1062b7","target":"record","created_at":"2026-05-18T00:48:16Z","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":"f5051fccfe57f250268400ad80fc86da038f48761b49f5e06c276a88ed2f0b7c","cross_cats_sorted":["physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.soc-ph","submitted_at":"2016-10-24T14:34:02Z","title_canon_sha256":"42a7cf06bbde219d22228f692862488083e6296be0b7e9ae74303be4d1fa2da8"},"schema_version":"1.0","source":{"id":"1610.07429","kind":"arxiv","version":1}},"canonical_sha256":"73c6c81e82200043d0a58e4f7b1fc001186f95ddf157760ff95012fdb8e843aa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"73c6c81e82200043d0a58e4f7b1fc001186f95ddf157760ff95012fdb8e843aa","first_computed_at":"2026-05-18T00:48:16.653350Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:16.653350Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A06mFMZlNAIQCH+G8uQg3nN9Zs3CeXLiw/OS81FVQXgR9oA0+6NBZQ2QX+wlurf+QrOQ2MNgaNci15f4948GCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:16.654151Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.07429","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:848daf5a0f12fc3564a69ff05cf87f7259ab1d2b738eda377efe60732b1062b7","sha256:bb131e780942709b3eb2c2ac90bf029d5f0b6ebcf9e52b99fdbc50b29a9d2f1b"],"state_sha256":"9bb8aa5cd8df890d41cca2fda8cfffbe1945473e47cfedc890a61d5ca79ae292"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6QiT3Elff089LDdJtYPFVxF3Wr8r3cpg6mFf5xWJGevd7nXJDiuqYijgGeZ0ea+J8Xd4pjmSXvVCSrHLAqvbCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T19:02:17.956953Z","bundle_sha256":"808ea4afd022edf556223ebe1c1443fa4a26e08180248348888106bf433138ac"}}