{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:EVD4YKTAW6QEWO2HEAGGYJNSWO","short_pith_number":"pith:EVD4YKTA","schema_version":"1.0","canonical_sha256":"2547cc2a60b7a04b3b47200c6c25b2b3b76e030f90e9fc40717d093efc87096b","source":{"kind":"arxiv","id":"2003.09447","version":1},"attestation_state":"computed","paper":{"title":"Sustainability Analysis of Interconnected Food Production Systems via Theory of Barriers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY","eess.SY"],"primary_cat":"math.OC","authors_text":"Murali Padmanabha, Stefan Streif, Tim Aschenbruck, Willem Esterhuizen","submitted_at":"2020-03-20T18:28:55Z","abstract_excerpt":"Controlled environment agriculture (CEA) is used for efficient food production. Efficiency can be increased further by interconnecting different CEA systems (e.g. plants and insect larvae or fish and larvae), using products and by-products of one system in the other. These interconnected systems define an overall system that can be described by models of interacting species. It is necessary to identify system parameters (e.g. initial species concentration, harvest rate, feed quality, etc.) such that the resources are not exhausted. For such systems with interacting species, modelled by the Lot"},"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":"2003.09447","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.OC","submitted_at":"2020-03-20T18:28:55Z","cross_cats_sorted":["cs.SY","eess.SY"],"title_canon_sha256":"5bafdd0ff89dd888139f5016943b4dcbc18f6a93a4f20759da814c42ddb40a2d","abstract_canon_sha256":"7584ce779a94818435a979fb044f3a1c06b4fc973530070b889415b4c67c1029"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:49:43.675231Z","signature_b64":"eKEYGaUtICJGtqk8BvwC0ptQJEd7SOhEEmQBx4fVcHnS5TpUUiKY8dtr4jcQ+O4nRio8zjrgtoh09EMWJYN4Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2547cc2a60b7a04b3b47200c6c25b2b3b76e030f90e9fc40717d093efc87096b","last_reissued_at":"2026-07-05T00:49:43.674864Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:49:43.674864Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Sustainability Analysis of Interconnected Food Production Systems via Theory of Barriers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SY","eess.SY"],"primary_cat":"math.OC","authors_text":"Murali Padmanabha, Stefan Streif, Tim Aschenbruck, Willem Esterhuizen","submitted_at":"2020-03-20T18:28:55Z","abstract_excerpt":"Controlled environment agriculture (CEA) is used for efficient food production. Efficiency can be increased further by interconnecting different CEA systems (e.g. plants and insect larvae or fish and larvae), using products and by-products of one system in the other. These interconnected systems define an overall system that can be described by models of interacting species. It is necessary to identify system parameters (e.g. initial species concentration, harvest rate, feed quality, etc.) such that the resources are not exhausted. For such systems with interacting species, modelled by the Lot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2003.09447","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/2003.09447/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2003.09447","created_at":"2026-07-05T00:49:43.674920+00:00"},{"alias_kind":"arxiv_version","alias_value":"2003.09447v1","created_at":"2026-07-05T00:49:43.674920+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2003.09447","created_at":"2026-07-05T00:49:43.674920+00:00"},{"alias_kind":"pith_short_12","alias_value":"EVD4YKTAW6QE","created_at":"2026-07-05T00:49:43.674920+00:00"},{"alias_kind":"pith_short_16","alias_value":"EVD4YKTAW6QEWO2H","created_at":"2026-07-05T00:49:43.674920+00:00"},{"alias_kind":"pith_short_8","alias_value":"EVD4YKTA","created_at":"2026-07-05T00:49:43.674920+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2608.05754","citing_title":"Quantum One-Way Functions and Related Cryptographic Primitives","ref_index":63,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EVD4YKTAW6QEWO2HEAGGYJNSWO","json":"https://pith.science/pith/EVD4YKTAW6QEWO2HEAGGYJNSWO.json","graph_json":"https://pith.science/api/pith-number/EVD4YKTAW6QEWO2HEAGGYJNSWO/graph.json","events_json":"https://pith.science/api/pith-number/EVD4YKTAW6QEWO2HEAGGYJNSWO/events.json","paper":"https://pith.science/paper/EVD4YKTA"},"agent_actions":{"view_html":"https://pith.science/pith/EVD4YKTAW6QEWO2HEAGGYJNSWO","download_json":"https://pith.science/pith/EVD4YKTAW6QEWO2HEAGGYJNSWO.json","view_paper":"https://pith.science/paper/EVD4YKTA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2003.09447&json=true","fetch_graph":"https://pith.science/api/pith-number/EVD4YKTAW6QEWO2HEAGGYJNSWO/graph.json","fetch_events":"https://pith.science/api/pith-number/EVD4YKTAW6QEWO2HEAGGYJNSWO/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EVD4YKTAW6QEWO2HEAGGYJNSWO/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EVD4YKTAW6QEWO2HEAGGYJNSWO/action/storage_attestation","attest_author":"https://pith.science/pith/EVD4YKTAW6QEWO2HEAGGYJNSWO/action/author_attestation","sign_citation":"https://pith.science/pith/EVD4YKTAW6QEWO2HEAGGYJNSWO/action/citation_signature","submit_replication":"https://pith.science/pith/EVD4YKTAW6QEWO2HEAGGYJNSWO/action/replication_record"}},"created_at":"2026-07-05T00:49:43.674920+00:00","updated_at":"2026-07-05T00:49:43.674920+00:00"}