{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:MNEYUJKRGCSWM4FDDPOFPLYRD4","short_pith_number":"pith:MNEYUJKR","canonical_record":{"source":{"id":"cond-mat/0702584","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2007-02-26T05:34:14Z","cross_cats_sorted":[],"title_canon_sha256":"47b401b09cfa1174e24775109230d235f0db06b0378b5ea765768fd0fffdad6f","abstract_canon_sha256":"bd74f3b919220dba35617aeb224b1230a55bbddb59456769bcf3115ff2e625f6"},"schema_version":"1.0"},"canonical_sha256":"63498a255130a56670a31bdc57af111f18699a84e4b667988bf439bfc9b0a2dc","source":{"kind":"arxiv","id":"cond-mat/0702584","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0702584","created_at":"2026-07-04T17:08:02Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0702584v1","created_at":"2026-07-04T17:08:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0702584","created_at":"2026-07-04T17:08:02Z"},{"alias_kind":"pith_short_12","alias_value":"MNEYUJKRGCSW","created_at":"2026-07-04T17:08:02Z"},{"alias_kind":"pith_short_16","alias_value":"MNEYUJKRGCSWM4FD","created_at":"2026-07-04T17:08:02Z"},{"alias_kind":"pith_short_8","alias_value":"MNEYUJKR","created_at":"2026-07-04T17:08:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:MNEYUJKRGCSWM4FDDPOFPLYRD4","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0702584","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2007-02-26T05:34:14Z","cross_cats_sorted":[],"title_canon_sha256":"47b401b09cfa1174e24775109230d235f0db06b0378b5ea765768fd0fffdad6f","abstract_canon_sha256":"bd74f3b919220dba35617aeb224b1230a55bbddb59456769bcf3115ff2e625f6"},"schema_version":"1.0"},"canonical_sha256":"63498a255130a56670a31bdc57af111f18699a84e4b667988bf439bfc9b0a2dc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:08:02.516485Z","signature_b64":"4wT77X+4PHzX1GI0wEQlouaAtc0MGgTof5rwWaTbW3GColp47QcGO1+vvRxklSLw7dHJKrcVle4BzcdGnDM4DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"63498a255130a56670a31bdc57af111f18699a84e4b667988bf439bfc9b0a2dc","last_reissued_at":"2026-07-04T17:08:02.516079Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:08:02.516079Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0702584","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":"2026-07-04T17:08:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bUEczCFeNNlfEmDXzb8/FTuTGdeOz7o0GMVYtVrAbIUIG3eFu1kN+080xY4U3NN8iBErG2HQVg69s9u+E9ZKBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T13:05:19.495207Z"},"content_sha256":"a46e4eff27dba3a671f4670c8ac157e39ac0a707defe4974a188817e12725e98","schema_version":"1.0","event_id":"sha256:a46e4eff27dba3a671f4670c8ac157e39ac0a707defe4974a188817e12725e98"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:MNEYUJKRGCSWM4FDDPOFPLYRD4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modelling of self-driven particles: foraging ants and pedestrians","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Andreas Schadschneider, Debashish Chowdhury, Katsuhiro Nishinari, Ken Sugawara, Toshiya Kazama","submitted_at":"2007-02-26T05:34:14Z","abstract_excerpt":"Models for the behavior of ants and pedestrians are studied in an unified way in this paper. Each ant follows pheromone put by preceding ants, hence creating a trail on the ground, while pedestrians also try to follow others in a crowd for efficient and safe walking. These following behaviors are incorporated in our stochastic models by using only local update rules for computational efficiency. It is demonstrated that the ant trail model shows an unusual non-monotonic dependence of the average speed of the ants on their density, which can be well analyzed by the zero-range process. We also sh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0702584","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/cond-mat/0702584/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":"2026-07-04T17:08:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pgtJsSrjYPSJ8pfK6g8rfRF4tYBHI26Vuw27xNcc+rE0UoP1c+hV/KKyuN9T2egNyksmvuFhQf82SPAeaLwNBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-10T13:05:19.495594Z"},"content_sha256":"a3152ebf9e6196aadaa84deaa02e749032645aee42781e62f4e4810d0401a5cf","schema_version":"1.0","event_id":"sha256:a3152ebf9e6196aadaa84deaa02e749032645aee42781e62f4e4810d0401a5cf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MNEYUJKRGCSWM4FDDPOFPLYRD4/bundle.json","state_url":"https://pith.science/pith/MNEYUJKRGCSWM4FDDPOFPLYRD4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MNEYUJKRGCSWM4FDDPOFPLYRD4/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":"2026-07-10T13:05:19Z","links":{"resolver":"https://pith.science/pith/MNEYUJKRGCSWM4FDDPOFPLYRD4","bundle":"https://pith.science/pith/MNEYUJKRGCSWM4FDDPOFPLYRD4/bundle.json","state":"https://pith.science/pith/MNEYUJKRGCSWM4FDDPOFPLYRD4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MNEYUJKRGCSWM4FDDPOFPLYRD4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:MNEYUJKRGCSWM4FDDPOFPLYRD4","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":"bd74f3b919220dba35617aeb224b1230a55bbddb59456769bcf3115ff2e625f6","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2007-02-26T05:34:14Z","title_canon_sha256":"47b401b09cfa1174e24775109230d235f0db06b0378b5ea765768fd0fffdad6f"},"schema_version":"1.0","source":{"id":"cond-mat/0702584","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0702584","created_at":"2026-07-04T17:08:02Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0702584v1","created_at":"2026-07-04T17:08:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0702584","created_at":"2026-07-04T17:08:02Z"},{"alias_kind":"pith_short_12","alias_value":"MNEYUJKRGCSW","created_at":"2026-07-04T17:08:02Z"},{"alias_kind":"pith_short_16","alias_value":"MNEYUJKRGCSWM4FD","created_at":"2026-07-04T17:08:02Z"},{"alias_kind":"pith_short_8","alias_value":"MNEYUJKR","created_at":"2026-07-04T17:08:02Z"}],"graph_snapshots":[{"event_id":"sha256:a3152ebf9e6196aadaa84deaa02e749032645aee42781e62f4e4810d0401a5cf","target":"graph","created_at":"2026-07-04T17:08:02Z","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/cond-mat/0702584/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Models for the behavior of ants and pedestrians are studied in an unified way in this paper. Each ant follows pheromone put by preceding ants, hence creating a trail on the ground, while pedestrians also try to follow others in a crowd for efficient and safe walking. These following behaviors are incorporated in our stochastic models by using only local update rules for computational efficiency. It is demonstrated that the ant trail model shows an unusual non-monotonic dependence of the average speed of the ants on their density, which can be well analyzed by the zero-range process. We also sh","authors_text":"Andreas Schadschneider, Debashish Chowdhury, Katsuhiro Nishinari, Ken Sugawara, Toshiya Kazama","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2007-02-26T05:34:14Z","title":"Modelling of self-driven particles: foraging ants and pedestrians"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0702584","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:a46e4eff27dba3a671f4670c8ac157e39ac0a707defe4974a188817e12725e98","target":"record","created_at":"2026-07-04T17:08:02Z","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":"bd74f3b919220dba35617aeb224b1230a55bbddb59456769bcf3115ff2e625f6","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2007-02-26T05:34:14Z","title_canon_sha256":"47b401b09cfa1174e24775109230d235f0db06b0378b5ea765768fd0fffdad6f"},"schema_version":"1.0","source":{"id":"cond-mat/0702584","kind":"arxiv","version":1}},"canonical_sha256":"63498a255130a56670a31bdc57af111f18699a84e4b667988bf439bfc9b0a2dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63498a255130a56670a31bdc57af111f18699a84e4b667988bf439bfc9b0a2dc","first_computed_at":"2026-07-04T17:08:02.516079Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:08:02.516079Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4wT77X+4PHzX1GI0wEQlouaAtc0MGgTof5rwWaTbW3GColp47QcGO1+vvRxklSLw7dHJKrcVle4BzcdGnDM4DQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:08:02.516485Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0702584","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a46e4eff27dba3a671f4670c8ac157e39ac0a707defe4974a188817e12725e98","sha256:a3152ebf9e6196aadaa84deaa02e749032645aee42781e62f4e4810d0401a5cf"],"state_sha256":"fdb31a7dccd41a4f0278ddb5701f41ad479e2f2d5947c85555b64f5faa20d119"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g/iI9PT2xJx+FJOoZRPDyiyCpJqOl1721whW99LQ0rE+IZthSCDZUWeVztfcaflKMAkNjUVoayUKYHXa4sXwDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-10T13:05:19.497664Z","bundle_sha256":"911ae1228d3a516d00e6c97f404b514997359e668101469507f20963882c966a"}}