{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:ZE3IKVEWJ52EHBIYU3GN4DAM5S","short_pith_number":"pith:ZE3IKVEW","canonical_record":{"source":{"id":"1503.08168","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-03-27T18:01:35Z","cross_cats_sorted":["nlin.AO"],"title_canon_sha256":"7378d3d4ee3e66399a17b9b03ddf55fc83d5e5fa2b59cbb1eb82f826e5355cb9","abstract_canon_sha256":"ee4f160469e489eb9edfe1c4e9db193ea48519341e5e7433e82ce6643501ccea"},"schema_version":"1.0"},"canonical_sha256":"c9368554964f74438518a6ccde0c0cec9cfad6b4bd524a7d61d5982b11f60a7a","source":{"kind":"arxiv","id":"1503.08168","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.08168","created_at":"2026-05-18T01:35:04Z"},{"alias_kind":"arxiv_version","alias_value":"1503.08168v1","created_at":"2026-05-18T01:35:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.08168","created_at":"2026-05-18T01:35:04Z"},{"alias_kind":"pith_short_12","alias_value":"ZE3IKVEWJ52E","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZE3IKVEWJ52EHBIY","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZE3IKVEW","created_at":"2026-05-18T12:29:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:ZE3IKVEWJ52EHBIYU3GN4DAM5S","target":"record","payload":{"canonical_record":{"source":{"id":"1503.08168","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-03-27T18:01:35Z","cross_cats_sorted":["nlin.AO"],"title_canon_sha256":"7378d3d4ee3e66399a17b9b03ddf55fc83d5e5fa2b59cbb1eb82f826e5355cb9","abstract_canon_sha256":"ee4f160469e489eb9edfe1c4e9db193ea48519341e5e7433e82ce6643501ccea"},"schema_version":"1.0"},"canonical_sha256":"c9368554964f74438518a6ccde0c0cec9cfad6b4bd524a7d61d5982b11f60a7a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:04.789481Z","signature_b64":"2ensxugIgxuyWhKgw6yW/C0lvUcm2YFe+Am2tHvduYIUhjFaoikzZrDxlkdpxWqTmtgzzc9rkOyw34Jrg1sHCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9368554964f74438518a6ccde0c0cec9cfad6b4bd524a7d61d5982b11f60a7a","last_reissued_at":"2026-05-18T01:35:04.788770Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:04.788770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1503.08168","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:35:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+5pJW3wMuCzU6hYXltk0cr8IczeX32BXD1449f6uCwZhXsJingcHWAPD0yzXN/LMx1JtTHNXhZAQJq/P39LtDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T15:07:09.968656Z"},"content_sha256":"a3626f72d9f4827d1e4c2449351874e0dbcc565132c6e42f1474dbaada2b389f","schema_version":"1.0","event_id":"sha256:a3626f72d9f4827d1e4c2449351874e0dbcc565132c6e42f1474dbaada2b389f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:ZE3IKVEWJ52EHBIYU3GN4DAM5S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Metapopulation dynamics in a complex ecological landscape","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.AO"],"primary_cat":"q-bio.PE","authors_text":"C. Anteneodo, E.H. Colombo","submitted_at":"2015-03-27T18:01:35Z","abstract_excerpt":"We propose a general model to study the interplay between spatial dispersal and environment spatiotemporal fluctuations in metapopulation dynamics. An ecological landscape of favorable patches is generated like a L\\'{e}vy dust, which allows to build a range of patterns, from dispersed to clustered ones. Locally, the dynamics is driven by a canonical model for the evolution of the population density, consisting of a logistic expression plus multiplicative noises. Spatial coupling is introduced by means of two spreading mechanisms: diffusive dispersion and selective migration driven by patch sui"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.08168","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:35:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g+od1MQvjxh3gYx0MO+xkLej2VZl4Zg1AQtOWPCpfdvPKu8IxknHrVEAA+jfy3jy1acli5a1HG/mf7h3zvINDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T15:07:09.969004Z"},"content_sha256":"c0aed7c93754c2596976628e6ddb1003ae59f670589c95f22c0b67c55f7e98ed","schema_version":"1.0","event_id":"sha256:c0aed7c93754c2596976628e6ddb1003ae59f670589c95f22c0b67c55f7e98ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZE3IKVEWJ52EHBIYU3GN4DAM5S/bundle.json","state_url":"https://pith.science/pith/ZE3IKVEWJ52EHBIYU3GN4DAM5S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZE3IKVEWJ52EHBIYU3GN4DAM5S/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":"2026-06-22T15:07:09Z","links":{"resolver":"https://pith.science/pith/ZE3IKVEWJ52EHBIYU3GN4DAM5S","bundle":"https://pith.science/pith/ZE3IKVEWJ52EHBIYU3GN4DAM5S/bundle.json","state":"https://pith.science/pith/ZE3IKVEWJ52EHBIYU3GN4DAM5S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZE3IKVEWJ52EHBIYU3GN4DAM5S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ZE3IKVEWJ52EHBIYU3GN4DAM5S","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":"ee4f160469e489eb9edfe1c4e9db193ea48519341e5e7433e82ce6643501ccea","cross_cats_sorted":["nlin.AO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-03-27T18:01:35Z","title_canon_sha256":"7378d3d4ee3e66399a17b9b03ddf55fc83d5e5fa2b59cbb1eb82f826e5355cb9"},"schema_version":"1.0","source":{"id":"1503.08168","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1503.08168","created_at":"2026-05-18T01:35:04Z"},{"alias_kind":"arxiv_version","alias_value":"1503.08168v1","created_at":"2026-05-18T01:35:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.08168","created_at":"2026-05-18T01:35:04Z"},{"alias_kind":"pith_short_12","alias_value":"ZE3IKVEWJ52E","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_16","alias_value":"ZE3IKVEWJ52EHBIY","created_at":"2026-05-18T12:29:52Z"},{"alias_kind":"pith_short_8","alias_value":"ZE3IKVEW","created_at":"2026-05-18T12:29:52Z"}],"graph_snapshots":[{"event_id":"sha256:c0aed7c93754c2596976628e6ddb1003ae59f670589c95f22c0b67c55f7e98ed","target":"graph","created_at":"2026-05-18T01:35:04Z","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 propose a general model to study the interplay between spatial dispersal and environment spatiotemporal fluctuations in metapopulation dynamics. An ecological landscape of favorable patches is generated like a L\\'{e}vy dust, which allows to build a range of patterns, from dispersed to clustered ones. Locally, the dynamics is driven by a canonical model for the evolution of the population density, consisting of a logistic expression plus multiplicative noises. Spatial coupling is introduced by means of two spreading mechanisms: diffusive dispersion and selective migration driven by patch sui","authors_text":"C. Anteneodo, E.H. Colombo","cross_cats":["nlin.AO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-03-27T18:01:35Z","title":"Metapopulation dynamics in a complex ecological landscape"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.08168","kind":"arxiv","version":1},"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:a3626f72d9f4827d1e4c2449351874e0dbcc565132c6e42f1474dbaada2b389f","target":"record","created_at":"2026-05-18T01:35:04Z","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":"ee4f160469e489eb9edfe1c4e9db193ea48519341e5e7433e82ce6643501ccea","cross_cats_sorted":["nlin.AO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-03-27T18:01:35Z","title_canon_sha256":"7378d3d4ee3e66399a17b9b03ddf55fc83d5e5fa2b59cbb1eb82f826e5355cb9"},"schema_version":"1.0","source":{"id":"1503.08168","kind":"arxiv","version":1}},"canonical_sha256":"c9368554964f74438518a6ccde0c0cec9cfad6b4bd524a7d61d5982b11f60a7a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9368554964f74438518a6ccde0c0cec9cfad6b4bd524a7d61d5982b11f60a7a","first_computed_at":"2026-05-18T01:35:04.788770Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:04.788770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2ensxugIgxuyWhKgw6yW/C0lvUcm2YFe+Am2tHvduYIUhjFaoikzZrDxlkdpxWqTmtgzzc9rkOyw34Jrg1sHCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:04.789481Z","signed_message":"canonical_sha256_bytes"},"source_id":"1503.08168","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3626f72d9f4827d1e4c2449351874e0dbcc565132c6e42f1474dbaada2b389f","sha256:c0aed7c93754c2596976628e6ddb1003ae59f670589c95f22c0b67c55f7e98ed"],"state_sha256":"8917e5220b62efbd59678991871adc28375ed93e981c2f691bc1ad4170888754"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C5qJp1mHupM5lLgeIraUaaocF0eu6rfTiL7bJcaXAotvU2ffawpH/1zwfzyl6FyJvGD4MZ6ymZq7nekfjNQrBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T15:07:09.970970Z","bundle_sha256":"d33275a25794b582daa4e1e5dce94064bf6d4d4fc91d23611bc6f2693edc3dbe"}}