{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:N7LAL3ZZWZUVFB7XYTTH7FPC7G","short_pith_number":"pith:N7LAL3ZZ","schema_version":"1.0","canonical_sha256":"6fd605ef39b6695287f7c4e67f95e2f9a49b728a9c0ddc7c19e7f06e3ecdd0d8","source":{"kind":"arxiv","id":"1904.10845","version":1},"attestation_state":"computed","paper":{"title":"How self-regulation, the storage effect and their interaction contribute to coexistence in stochastic and seasonal environments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.PE","authors_text":"Coralie Picoche, Frederic Barraquand","submitted_at":"2019-04-24T14:36:13Z","abstract_excerpt":"Explaining coexistence in species-rich communities of primary producers remains a challenge for ecologists because of their likely competition for shared resources. Following Hutchinson's seminal suggestion, many theoreticians have tried to create diversity through a fluctuating environment, which impairs or slows down competitive exclusion. However, fluctuating-environment models often only produce a dozen of coexisting species at best. Here, we investigate how to create richer communities in fluctuating environments, using an empirically parameterized model. Building on the forced Lotka-Volt"},"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":"1904.10845","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2019-04-24T14:36:13Z","cross_cats_sorted":[],"title_canon_sha256":"83728f318682a683b431d98b653eaa7434a1f6db25375899e8e45b8dd3100c3b","abstract_canon_sha256":"a11e03d3348fe16ce4a334b8e6c6ffef1bdf57103781dab6205d5052500a2067"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:49.871094Z","signature_b64":"nIcMtph6HLLPaMllZ+1qIXAp2eupSxPKSvmZZg/5Io+f3boSrfqPF4BOZ6CiEystAwHuwKMz46cI2VX81oySCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6fd605ef39b6695287f7c4e67f95e2f9a49b728a9c0ddc7c19e7f06e3ecdd0d8","last_reissued_at":"2026-05-17T23:47:49.870665Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:49.870665Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"How self-regulation, the storage effect and their interaction contribute to coexistence in stochastic and seasonal environments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.PE","authors_text":"Coralie Picoche, Frederic Barraquand","submitted_at":"2019-04-24T14:36:13Z","abstract_excerpt":"Explaining coexistence in species-rich communities of primary producers remains a challenge for ecologists because of their likely competition for shared resources. Following Hutchinson's seminal suggestion, many theoreticians have tried to create diversity through a fluctuating environment, which impairs or slows down competitive exclusion. However, fluctuating-environment models often only produce a dozen of coexisting species at best. Here, we investigate how to create richer communities in fluctuating environments, using an empirically parameterized model. Building on the forced Lotka-Volt"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.10845","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":"1904.10845","created_at":"2026-05-17T23:47:49.870729+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.10845v1","created_at":"2026-05-17T23:47:49.870729+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.10845","created_at":"2026-05-17T23:47:49.870729+00:00"},{"alias_kind":"pith_short_12","alias_value":"N7LAL3ZZWZUV","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_16","alias_value":"N7LAL3ZZWZUVFB7X","created_at":"2026-05-18T12:33:24.271573+00:00"},{"alias_kind":"pith_short_8","alias_value":"N7LAL3ZZ","created_at":"2026-05-18T12:33:24.271573+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/N7LAL3ZZWZUVFB7XYTTH7FPC7G","json":"https://pith.science/pith/N7LAL3ZZWZUVFB7XYTTH7FPC7G.json","graph_json":"https://pith.science/api/pith-number/N7LAL3ZZWZUVFB7XYTTH7FPC7G/graph.json","events_json":"https://pith.science/api/pith-number/N7LAL3ZZWZUVFB7XYTTH7FPC7G/events.json","paper":"https://pith.science/paper/N7LAL3ZZ"},"agent_actions":{"view_html":"https://pith.science/pith/N7LAL3ZZWZUVFB7XYTTH7FPC7G","download_json":"https://pith.science/pith/N7LAL3ZZWZUVFB7XYTTH7FPC7G.json","view_paper":"https://pith.science/paper/N7LAL3ZZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.10845&json=true","fetch_graph":"https://pith.science/api/pith-number/N7LAL3ZZWZUVFB7XYTTH7FPC7G/graph.json","fetch_events":"https://pith.science/api/pith-number/N7LAL3ZZWZUVFB7XYTTH7FPC7G/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/N7LAL3ZZWZUVFB7XYTTH7FPC7G/action/timestamp_anchor","attest_storage":"https://pith.science/pith/N7LAL3ZZWZUVFB7XYTTH7FPC7G/action/storage_attestation","attest_author":"https://pith.science/pith/N7LAL3ZZWZUVFB7XYTTH7FPC7G/action/author_attestation","sign_citation":"https://pith.science/pith/N7LAL3ZZWZUVFB7XYTTH7FPC7G/action/citation_signature","submit_replication":"https://pith.science/pith/N7LAL3ZZWZUVFB7XYTTH7FPC7G/action/replication_record"}},"created_at":"2026-05-17T23:47:49.870729+00:00","updated_at":"2026-05-17T23:47:49.870729+00:00"}