{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:N25IN7PRHKA3XIEQ6V3OH2MH4X","short_pith_number":"pith:N25IN7PR","canonical_record":{"source":{"id":"1404.2685","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2014-04-10T04:19:26Z","cross_cats_sorted":[],"title_canon_sha256":"b782ca168da8a4a388bbd9d3e1204f8fbff8c3befdeba35cd533dccad49aa660","abstract_canon_sha256":"abac8957a5a2a33b5e466c499d94e40a698022128bc022d6e6af3513f16e576f"},"schema_version":"1.0"},"canonical_sha256":"6eba86fdf13a81bba090f576e3e987e5e2ea1a88329cf96cde7a77c05d867e60","source":{"kind":"arxiv","id":"1404.2685","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.2685","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"arxiv_version","alias_value":"1404.2685v1","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.2685","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"pith_short_12","alias_value":"N25IN7PRHKA3","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"N25IN7PRHKA3XIEQ","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"N25IN7PR","created_at":"2026-05-18T12:28:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:N25IN7PRHKA3XIEQ6V3OH2MH4X","target":"record","payload":{"canonical_record":{"source":{"id":"1404.2685","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2014-04-10T04:19:26Z","cross_cats_sorted":[],"title_canon_sha256":"b782ca168da8a4a388bbd9d3e1204f8fbff8c3befdeba35cd533dccad49aa660","abstract_canon_sha256":"abac8957a5a2a33b5e466c499d94e40a698022128bc022d6e6af3513f16e576f"},"schema_version":"1.0"},"canonical_sha256":"6eba86fdf13a81bba090f576e3e987e5e2ea1a88329cf96cde7a77c05d867e60","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:39:00.994449Z","signature_b64":"4DkV9/J4KtOIhVXjCFVHUAkVc3DSwS2KhD1An9x3waqxUYtAzDnsu8mIB4XMZNehopFvgiyPJurguyfXgupQCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6eba86fdf13a81bba090f576e3e987e5e2ea1a88329cf96cde7a77c05d867e60","last_reissued_at":"2026-05-18T02:39:00.993895Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:39:00.993895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1404.2685","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":"2026-05-18T02:39:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WP1cpZuA17Hjguc0mEdPGpds2aOG7rMJ6/QoDwSgUpYNGVqRCfzgVNl1Vjvhm5RYuwO6EbXwamJ2M/P/GM6dCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T07:35:09.179847Z"},"content_sha256":"222ed9de64d40aaf193e92fa65c22e7436baf639318aaf9a866e2f62b91b11c6","schema_version":"1.0","event_id":"sha256:222ed9de64d40aaf193e92fa65c22e7436baf639318aaf9a866e2f62b91b11c6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:N25IN7PRHKA3XIEQ6V3OH2MH4X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Role reversal in a predator-prey interaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.PE","authors_text":"Faustino S\\'anchez-Gardu\\~no, Pedro Miramontes, Tatiana T. Marquez-Lago","submitted_at":"2014-04-10T04:19:26Z","abstract_excerpt":"Predator-prey relationships are one of the most studied interactions in population ecology. However, little attention has been paid to the possibility of role exchange between species once determined as predators and preys, despite firm field evidence of such phenomena in the nature. In this paper, we build a model capable of reproducing the main phenomenological features of one reported predator-prey role-reversal system, and present results for both the homogeneous and the space explicit cases. We find that, depending on the choice of parameters, our role-reversal dynamical system exhibits e"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.2685","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":"2026-05-18T02:39:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fkdYl4TIh1l1N1ZzjoY/A5DuJ13yNn3mLrdk47/Qio/ffHe46KbTrCPBDtpcrC7dZg08C1/Ywssn9V2fVNLQDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T07:35:09.180200Z"},"content_sha256":"e15fc31d822ff12bcd13152e004dc9d5c133d01df1243dcf77e9770a4d627936","schema_version":"1.0","event_id":"sha256:e15fc31d822ff12bcd13152e004dc9d5c133d01df1243dcf77e9770a4d627936"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N25IN7PRHKA3XIEQ6V3OH2MH4X/bundle.json","state_url":"https://pith.science/pith/N25IN7PRHKA3XIEQ6V3OH2MH4X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N25IN7PRHKA3XIEQ6V3OH2MH4X/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":"2026-05-20T07:35:09Z","links":{"resolver":"https://pith.science/pith/N25IN7PRHKA3XIEQ6V3OH2MH4X","bundle":"https://pith.science/pith/N25IN7PRHKA3XIEQ6V3OH2MH4X/bundle.json","state":"https://pith.science/pith/N25IN7PRHKA3XIEQ6V3OH2MH4X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N25IN7PRHKA3XIEQ6V3OH2MH4X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:N25IN7PRHKA3XIEQ6V3OH2MH4X","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":"abac8957a5a2a33b5e466c499d94e40a698022128bc022d6e6af3513f16e576f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2014-04-10T04:19:26Z","title_canon_sha256":"b782ca168da8a4a388bbd9d3e1204f8fbff8c3befdeba35cd533dccad49aa660"},"schema_version":"1.0","source":{"id":"1404.2685","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.2685","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"arxiv_version","alias_value":"1404.2685v1","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.2685","created_at":"2026-05-18T02:39:00Z"},{"alias_kind":"pith_short_12","alias_value":"N25IN7PRHKA3","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_16","alias_value":"N25IN7PRHKA3XIEQ","created_at":"2026-05-18T12:28:41Z"},{"alias_kind":"pith_short_8","alias_value":"N25IN7PR","created_at":"2026-05-18T12:28:41Z"}],"graph_snapshots":[{"event_id":"sha256:e15fc31d822ff12bcd13152e004dc9d5c133d01df1243dcf77e9770a4d627936","target":"graph","created_at":"2026-05-18T02:39:00Z","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":"Predator-prey relationships are one of the most studied interactions in population ecology. However, little attention has been paid to the possibility of role exchange between species once determined as predators and preys, despite firm field evidence of such phenomena in the nature. In this paper, we build a model capable of reproducing the main phenomenological features of one reported predator-prey role-reversal system, and present results for both the homogeneous and the space explicit cases. We find that, depending on the choice of parameters, our role-reversal dynamical system exhibits e","authors_text":"Faustino S\\'anchez-Gardu\\~no, Pedro Miramontes, Tatiana T. Marquez-Lago","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2014-04-10T04:19:26Z","title":"Role reversal in a predator-prey interaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.2685","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":"sha256:222ed9de64d40aaf193e92fa65c22e7436baf639318aaf9a866e2f62b91b11c6","target":"record","created_at":"2026-05-18T02:39:00Z","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":"abac8957a5a2a33b5e466c499d94e40a698022128bc022d6e6af3513f16e576f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2014-04-10T04:19:26Z","title_canon_sha256":"b782ca168da8a4a388bbd9d3e1204f8fbff8c3befdeba35cd533dccad49aa660"},"schema_version":"1.0","source":{"id":"1404.2685","kind":"arxiv","version":1}},"canonical_sha256":"6eba86fdf13a81bba090f576e3e987e5e2ea1a88329cf96cde7a77c05d867e60","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6eba86fdf13a81bba090f576e3e987e5e2ea1a88329cf96cde7a77c05d867e60","first_computed_at":"2026-05-18T02:39:00.993895Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:39:00.993895Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4DkV9/J4KtOIhVXjCFVHUAkVc3DSwS2KhD1An9x3waqxUYtAzDnsu8mIB4XMZNehopFvgiyPJurguyfXgupQCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:39:00.994449Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.2685","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:222ed9de64d40aaf193e92fa65c22e7436baf639318aaf9a866e2f62b91b11c6","sha256:e15fc31d822ff12bcd13152e004dc9d5c133d01df1243dcf77e9770a4d627936"],"state_sha256":"634efdb32e2c4826a4310443f1d49c55e38fc126af969620e560aebd0b2e3e1d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zvNrhL1rp/nVp+lIYDNM69/x35Rtq8iqfYBVQFZD2aGTRkfseGVvYJr8xQazW7AcecuJ9PNBlbJnVVw//rFfBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T07:35:09.182173Z","bundle_sha256":"6d5cc8a4b99340be964f8c8cfaffbd2cb574257f7e711b9be027cb92667e8dea"}}