{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:B5VZHUOIZIZDNNSMFR2H444GIF","short_pith_number":"pith:B5VZHUOI","canonical_record":{"source":{"id":"1706.02567","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-06-08T13:15:39Z","cross_cats_sorted":["q-bio.PE"],"title_canon_sha256":"cfb8dbe77fbf733909bdd2b6c900ff832447b61a8d8b58617503e6674da78220","abstract_canon_sha256":"062f2d20d69f5744d7979b3f125334c7541d3d54ff88b228f1e47f4a4283739f"},"schema_version":"1.0"},"canonical_sha256":"0f6b93d1c8ca3236b64c2c747e738641715df17d7a64e2da739d56b97025f43d","source":{"kind":"arxiv","id":"1706.02567","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.02567","created_at":"2026-05-18T00:33:01Z"},{"alias_kind":"arxiv_version","alias_value":"1706.02567v2","created_at":"2026-05-18T00:33:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.02567","created_at":"2026-05-18T00:33:01Z"},{"alias_kind":"pith_short_12","alias_value":"B5VZHUOIZIZD","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"B5VZHUOIZIZDNNSM","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"B5VZHUOI","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:B5VZHUOIZIZDNNSMFR2H444GIF","target":"record","payload":{"canonical_record":{"source":{"id":"1706.02567","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-06-08T13:15:39Z","cross_cats_sorted":["q-bio.PE"],"title_canon_sha256":"cfb8dbe77fbf733909bdd2b6c900ff832447b61a8d8b58617503e6674da78220","abstract_canon_sha256":"062f2d20d69f5744d7979b3f125334c7541d3d54ff88b228f1e47f4a4283739f"},"schema_version":"1.0"},"canonical_sha256":"0f6b93d1c8ca3236b64c2c747e738641715df17d7a64e2da739d56b97025f43d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:01.982010Z","signature_b64":"OFYihd6S0EiYmLRdJsbqNoipsf4//cykjyUyIhTzVEZZQC/+JUgmbbaxiXcigXoOSDKDEpwY4w0qQgYirehxDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0f6b93d1c8ca3236b64c2c747e738641715df17d7a64e2da739d56b97025f43d","last_reissued_at":"2026-05-18T00:33:01.981412Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:01.981412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1706.02567","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:33:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"an4f0ThUDA0XssEqPjtRBrT7Dy1euOsFnF6F7abcGjBQ45/rr0k9cDt8WWxTSZ6OnyKVnkjNeCXcxWEXwP0oAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:00:39.875809Z"},"content_sha256":"a82becf4328d5e6be5738491f78971a0cf19df9b49120afd912499b465a702d3","schema_version":"1.0","event_id":"sha256:a82becf4328d5e6be5738491f78971a0cf19df9b49120afd912499b465a702d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:B5VZHUOIZIZDNNSMFR2H444GIF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Boundary Effects on Population Dynamics in Stochastic Lattice Lotka-Volterra Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.PE"],"primary_cat":"cond-mat.stat-mech","authors_text":"Bassel Heiba, Sheng Chen, Uwe C. T\\\"auber","submitted_at":"2017-06-08T13:15:39Z","abstract_excerpt":"We investigate spatially inhomogeneous versions of the stochastic Lotka-Volterra model for predator-prey competition and coexistence by means of Monte Carlo simulations on a two-dimensional lattice with periodic boundary conditions. To study boundary effects for this paradigmatic population dynamics system, we employ a simulation domain split into two patches: Upon setting the predation rates at two distinct values, one half of the system resides in an absorbing state where only the prey survives, while the other half attains a stable coexistence state wherein both species remain active. At th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.02567","kind":"arxiv","version":2},"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":"2026-05-18T00:33:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wWqUCGyddWQzu6aSkP0HOeqnIrtDYx5wcS/6JTyRBQN9dFHvThj0uljv/VJTlLdIXsVMegjVJEA1L9hqK3KvDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T14:00:39.876485Z"},"content_sha256":"0ee0b9b946475669f14473a5b79198e61a640f4c386175971ed51972117420c0","schema_version":"1.0","event_id":"sha256:0ee0b9b946475669f14473a5b79198e61a640f4c386175971ed51972117420c0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B5VZHUOIZIZDNNSMFR2H444GIF/bundle.json","state_url":"https://pith.science/pith/B5VZHUOIZIZDNNSMFR2H444GIF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B5VZHUOIZIZDNNSMFR2H444GIF/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":"2026-05-27T14:00:39Z","links":{"resolver":"https://pith.science/pith/B5VZHUOIZIZDNNSMFR2H444GIF","bundle":"https://pith.science/pith/B5VZHUOIZIZDNNSMFR2H444GIF/bundle.json","state":"https://pith.science/pith/B5VZHUOIZIZDNNSMFR2H444GIF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B5VZHUOIZIZDNNSMFR2H444GIF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:B5VZHUOIZIZDNNSMFR2H444GIF","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":"062f2d20d69f5744d7979b3f125334c7541d3d54ff88b228f1e47f4a4283739f","cross_cats_sorted":["q-bio.PE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-06-08T13:15:39Z","title_canon_sha256":"cfb8dbe77fbf733909bdd2b6c900ff832447b61a8d8b58617503e6674da78220"},"schema_version":"1.0","source":{"id":"1706.02567","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1706.02567","created_at":"2026-05-18T00:33:01Z"},{"alias_kind":"arxiv_version","alias_value":"1706.02567v2","created_at":"2026-05-18T00:33:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.02567","created_at":"2026-05-18T00:33:01Z"},{"alias_kind":"pith_short_12","alias_value":"B5VZHUOIZIZD","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"B5VZHUOIZIZDNNSM","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"B5VZHUOI","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:0ee0b9b946475669f14473a5b79198e61a640f4c386175971ed51972117420c0","target":"graph","created_at":"2026-05-18T00:33:01Z","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":"We investigate spatially inhomogeneous versions of the stochastic Lotka-Volterra model for predator-prey competition and coexistence by means of Monte Carlo simulations on a two-dimensional lattice with periodic boundary conditions. To study boundary effects for this paradigmatic population dynamics system, we employ a simulation domain split into two patches: Upon setting the predation rates at two distinct values, one half of the system resides in an absorbing state where only the prey survives, while the other half attains a stable coexistence state wherein both species remain active. At th","authors_text":"Bassel Heiba, Sheng Chen, Uwe C. T\\\"auber","cross_cats":["q-bio.PE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-06-08T13:15:39Z","title":"Boundary Effects on Population Dynamics in Stochastic Lattice Lotka-Volterra Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.02567","kind":"arxiv","version":2},"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:a82becf4328d5e6be5738491f78971a0cf19df9b49120afd912499b465a702d3","target":"record","created_at":"2026-05-18T00:33:01Z","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":"062f2d20d69f5744d7979b3f125334c7541d3d54ff88b228f1e47f4a4283739f","cross_cats_sorted":["q-bio.PE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-06-08T13:15:39Z","title_canon_sha256":"cfb8dbe77fbf733909bdd2b6c900ff832447b61a8d8b58617503e6674da78220"},"schema_version":"1.0","source":{"id":"1706.02567","kind":"arxiv","version":2}},"canonical_sha256":"0f6b93d1c8ca3236b64c2c747e738641715df17d7a64e2da739d56b97025f43d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0f6b93d1c8ca3236b64c2c747e738641715df17d7a64e2da739d56b97025f43d","first_computed_at":"2026-05-18T00:33:01.981412Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:01.981412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OFYihd6S0EiYmLRdJsbqNoipsf4//cykjyUyIhTzVEZZQC/+JUgmbbaxiXcigXoOSDKDEpwY4w0qQgYirehxDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:01.982010Z","signed_message":"canonical_sha256_bytes"},"source_id":"1706.02567","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a82becf4328d5e6be5738491f78971a0cf19df9b49120afd912499b465a702d3","sha256:0ee0b9b946475669f14473a5b79198e61a640f4c386175971ed51972117420c0"],"state_sha256":"520df30ffd0a534ed321013bb6215633e56d9b427f92d7450850581b24e602a0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"F2Fix7sHbINdQjW1oITHd1275WqoG/8/bTPUWKadzi/sPGNOPfbEGg2HOOFb/f7CR0/dJKcGZ5+piwMyYWW2AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T14:00:39.880377Z","bundle_sha256":"5477624970dd3a0db420093553af7c5220f05709adff34b0b88bae524cb82e7a"}}