{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:4PJRRVZHDRB3OSZXDC2CKM5LGC","short_pith_number":"pith:4PJRRVZH","schema_version":"1.0","canonical_sha256":"e3d318d7271c43b74b3718b42533ab30a9cc9d8b107fd97636150afc2533ecb6","source":{"kind":"arxiv","id":"1907.01983","version":1},"attestation_state":"computed","paper":{"title":"Model of pattern formation in marsh ecosystems with nonlocal interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.PE"],"primary_cat":"nlin.PS","authors_text":"Junping Shi, Leah B Shaw, Sofya Zaytseva","submitted_at":"2019-07-03T15:13:54Z","abstract_excerpt":"Smooth cordgrass Spartina alterniflora is a grass species commonly found in tidal marshes. It is an ecosystem engineer, capable of modifying the structure of its surrounding environment through various feedbacks. The scale-dependent feedback between marsh grass and sediment volume is particularly of interest. Locally, the marsh vegetation attenuates hydrodynamic energy, enhancing sediment accretion and promoting further vegetation growth. In turn, the diverted water flow promotes the formation of erosion troughs over longer distances. This scale-dependent feedback may explain the characteristi"},"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":"1907.01983","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nlin.PS","submitted_at":"2019-07-03T15:13:54Z","cross_cats_sorted":["q-bio.PE"],"title_canon_sha256":"6e9d9b0f07e8d9c698dcbf73dcb845fde34170467b61a98f134e3b746803251f","abstract_canon_sha256":"c7641530726b2a766601f9b0a033626174923a1461796ed10df4201346e911b7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:34.315031Z","signature_b64":"ekw0zYZ8aYeFC0WH0mwfBTHVf47O+0WIzIEbq3We6+LvWKRTOoT8wpvYtE9JyskLnkSLNbIR/3OU/LNF1KixBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3d318d7271c43b74b3718b42533ab30a9cc9d8b107fd97636150afc2533ecb6","last_reissued_at":"2026-05-17T23:41:34.314465Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:34.314465Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Model of pattern formation in marsh ecosystems with nonlocal interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.PE"],"primary_cat":"nlin.PS","authors_text":"Junping Shi, Leah B Shaw, Sofya Zaytseva","submitted_at":"2019-07-03T15:13:54Z","abstract_excerpt":"Smooth cordgrass Spartina alterniflora is a grass species commonly found in tidal marshes. It is an ecosystem engineer, capable of modifying the structure of its surrounding environment through various feedbacks. The scale-dependent feedback between marsh grass and sediment volume is particularly of interest. Locally, the marsh vegetation attenuates hydrodynamic energy, enhancing sediment accretion and promoting further vegetation growth. In turn, the diverted water flow promotes the formation of erosion troughs over longer distances. This scale-dependent feedback may explain the characteristi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.01983","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1907.01983","created_at":"2026-05-17T23:41:34.314577+00:00"},{"alias_kind":"arxiv_version","alias_value":"1907.01983v1","created_at":"2026-05-17T23:41:34.314577+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.01983","created_at":"2026-05-17T23:41:34.314577+00:00"},{"alias_kind":"pith_short_12","alias_value":"4PJRRVZHDRB3","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_16","alias_value":"4PJRRVZHDRB3OSZX","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_8","alias_value":"4PJRRVZH","created_at":"2026-05-18T12:33:10.108867+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/4PJRRVZHDRB3OSZXDC2CKM5LGC","json":"https://pith.science/pith/4PJRRVZHDRB3OSZXDC2CKM5LGC.json","graph_json":"https://pith.science/api/pith-number/4PJRRVZHDRB3OSZXDC2CKM5LGC/graph.json","events_json":"https://pith.science/api/pith-number/4PJRRVZHDRB3OSZXDC2CKM5LGC/events.json","paper":"https://pith.science/paper/4PJRRVZH"},"agent_actions":{"view_html":"https://pith.science/pith/4PJRRVZHDRB3OSZXDC2CKM5LGC","download_json":"https://pith.science/pith/4PJRRVZHDRB3OSZXDC2CKM5LGC.json","view_paper":"https://pith.science/paper/4PJRRVZH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1907.01983&json=true","fetch_graph":"https://pith.science/api/pith-number/4PJRRVZHDRB3OSZXDC2CKM5LGC/graph.json","fetch_events":"https://pith.science/api/pith-number/4PJRRVZHDRB3OSZXDC2CKM5LGC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4PJRRVZHDRB3OSZXDC2CKM5LGC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4PJRRVZHDRB3OSZXDC2CKM5LGC/action/storage_attestation","attest_author":"https://pith.science/pith/4PJRRVZHDRB3OSZXDC2CKM5LGC/action/author_attestation","sign_citation":"https://pith.science/pith/4PJRRVZHDRB3OSZXDC2CKM5LGC/action/citation_signature","submit_replication":"https://pith.science/pith/4PJRRVZHDRB3OSZXDC2CKM5LGC/action/replication_record"}},"created_at":"2026-05-17T23:41:34.314577+00:00","updated_at":"2026-05-17T23:41:34.314577+00:00"}