{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:OYXBL5NA6SAL5J5JRT53P2CAMN","short_pith_number":"pith:OYXBL5NA","schema_version":"1.0","canonical_sha256":"762e15f5a0f480bea7a98cfbb7e840634ddc041c48ab8d3a0455875f294e8b64","source":{"kind":"arxiv","id":"1409.3373","version":3},"attestation_state":"computed","paper":{"title":"Evolutionary food web model based on body masses gives realistic networks with permanent species turnover","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.PE","authors_text":"Barbara Drossel, Bj\\\"orn C. Rall, Christian Guill, Daniel Ritterskamp, Korinna T. Allhoff","submitted_at":"2014-09-11T10:07:50Z","abstract_excerpt":"The networks of predator-prey interactions in ecological systems are remarkably complex, but nevertheless surprisingly stable in terms of long term persistence of the system as a whole. In order to understand the mechanism driving the complexity and stability of such food webs, we developed an eco-evolutionary model in which new species emerge as modifications of existing ones and dynamic ecological interactions determine which species are viable. The food-web structure thereby emerges from the dynamical interplay between speciation and trophic interactions. The proposed model is less abstract"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1409.3373","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2014-09-11T10:07:50Z","cross_cats_sorted":[],"title_canon_sha256":"fac2adf2e38541cff27583236402f2e1cb9b9f2928e4da4086cf88e5a12c243b","abstract_canon_sha256":"53ee66483391a7e1be8dc5878fd8ac961b767953fbaa78bf994a77a2f4e3b009"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:23.577695Z","signature_b64":"jGgD3tYLIfwqqhHx9OciT+OZRysY5lcWrNdNvtjTfMeZVJ0XXa2xJPmd6ld2L06MLaRCe3BOu5yhpjTqYawUBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"762e15f5a0f480bea7a98cfbb7e840634ddc041c48ab8d3a0455875f294e8b64","last_reissued_at":"2026-05-18T01:57:23.577200Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:23.577200Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evolutionary food web model based on body masses gives realistic networks with permanent species turnover","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.PE","authors_text":"Barbara Drossel, Bj\\\"orn C. Rall, Christian Guill, Daniel Ritterskamp, Korinna T. Allhoff","submitted_at":"2014-09-11T10:07:50Z","abstract_excerpt":"The networks of predator-prey interactions in ecological systems are remarkably complex, but nevertheless surprisingly stable in terms of long term persistence of the system as a whole. In order to understand the mechanism driving the complexity and stability of such food webs, we developed an eco-evolutionary model in which new species emerge as modifications of existing ones and dynamic ecological interactions determine which species are viable. The food-web structure thereby emerges from the dynamical interplay between speciation and trophic interactions. The proposed model is less abstract"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.3373","kind":"arxiv","version":3},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1409.3373","created_at":"2026-05-18T01:57:23.577266+00:00"},{"alias_kind":"arxiv_version","alias_value":"1409.3373v3","created_at":"2026-05-18T01:57:23.577266+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.3373","created_at":"2026-05-18T01:57:23.577266+00:00"},{"alias_kind":"pith_short_12","alias_value":"OYXBL5NA6SAL","created_at":"2026-05-18T12:28:43.426989+00:00"},{"alias_kind":"pith_short_16","alias_value":"OYXBL5NA6SAL5J5J","created_at":"2026-05-18T12:28:43.426989+00:00"},{"alias_kind":"pith_short_8","alias_value":"OYXBL5NA","created_at":"2026-05-18T12:28:43.426989+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/OYXBL5NA6SAL5J5JRT53P2CAMN","json":"https://pith.science/pith/OYXBL5NA6SAL5J5JRT53P2CAMN.json","graph_json":"https://pith.science/api/pith-number/OYXBL5NA6SAL5J5JRT53P2CAMN/graph.json","events_json":"https://pith.science/api/pith-number/OYXBL5NA6SAL5J5JRT53P2CAMN/events.json","paper":"https://pith.science/paper/OYXBL5NA"},"agent_actions":{"view_html":"https://pith.science/pith/OYXBL5NA6SAL5J5JRT53P2CAMN","download_json":"https://pith.science/pith/OYXBL5NA6SAL5J5JRT53P2CAMN.json","view_paper":"https://pith.science/paper/OYXBL5NA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1409.3373&json=true","fetch_graph":"https://pith.science/api/pith-number/OYXBL5NA6SAL5J5JRT53P2CAMN/graph.json","fetch_events":"https://pith.science/api/pith-number/OYXBL5NA6SAL5J5JRT53P2CAMN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OYXBL5NA6SAL5J5JRT53P2CAMN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OYXBL5NA6SAL5J5JRT53P2CAMN/action/storage_attestation","attest_author":"https://pith.science/pith/OYXBL5NA6SAL5J5JRT53P2CAMN/action/author_attestation","sign_citation":"https://pith.science/pith/OYXBL5NA6SAL5J5JRT53P2CAMN/action/citation_signature","submit_replication":"https://pith.science/pith/OYXBL5NA6SAL5J5JRT53P2CAMN/action/replication_record"}},"created_at":"2026-05-18T01:57:23.577266+00:00","updated_at":"2026-05-18T01:57:23.577266+00:00"}