{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:LDJEPSECND23U3GQF4BVH7CB5J","short_pith_number":"pith:LDJEPSEC","schema_version":"1.0","canonical_sha256":"58d247c88268f5ba6cd02f0353fc41ea573dd7dc1d9038a32803b007c39a7dd6","source":{"kind":"arxiv","id":"1809.02134","version":1},"attestation_state":"computed","paper":{"title":"The Recent Growth History of the Fornax Cluster Derived from Simultaneous Sloshing and Gas Stripping: Simulating the Infall of NGC 1404","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alex Sheardown, Christine Jones, Elke Roediger, Eugene Churazov, John A. ZuHone, Paul E. J. Nulsen, Ralph P. Kraft, Thomas Fish, William R. Forman, Yuanyuan Su","submitted_at":"2018-09-06T18:00:00Z","abstract_excerpt":"We derive the recent growth history of the Fornax Cluster, in particular the recent infall of the giant elliptical galaxy NGC 1404. We show, using a simple cluster minor merger simulation tailored to Fornax and NGC 1404, that a second or more likely third encounter between the two reproduces all main merger features observed in both objects; we firmly exclude a first infall scenario. Our simulations reveal a consistent picture: NGC 1404 passed by NGC 1399 about 1.1 - 1.3 Gyrs ago from the NE to the SW and is now almost at the point of its next encounter from the S. This scenario explains the s"},"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":"1809.02134","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-09-06T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"e6ad5758533bda88128b0717cb36552bbc184a1a41d9b70bb6f267c951e3faaf","abstract_canon_sha256":"09e5662067851c0bc4a6da11218c16c2efe78bb8d917bab76f748ead28128ed5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:45.302794Z","signature_b64":"p8CkRNwElm6+OsEVxZB94gznnsYMg2IVN2V9s0wL3sDXoIXSxOU1RXJt6BzHSb4612b3CCRhOcefD6U82J0sCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58d247c88268f5ba6cd02f0353fc41ea573dd7dc1d9038a32803b007c39a7dd6","last_reissued_at":"2026-05-18T00:03:45.302308Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:45.302308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Recent Growth History of the Fornax Cluster Derived from Simultaneous Sloshing and Gas Stripping: Simulating the Infall of NGC 1404","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alex Sheardown, Christine Jones, Elke Roediger, Eugene Churazov, John A. ZuHone, Paul E. J. Nulsen, Ralph P. Kraft, Thomas Fish, William R. Forman, Yuanyuan Su","submitted_at":"2018-09-06T18:00:00Z","abstract_excerpt":"We derive the recent growth history of the Fornax Cluster, in particular the recent infall of the giant elliptical galaxy NGC 1404. We show, using a simple cluster minor merger simulation tailored to Fornax and NGC 1404, that a second or more likely third encounter between the two reproduces all main merger features observed in both objects; we firmly exclude a first infall scenario. Our simulations reveal a consistent picture: NGC 1404 passed by NGC 1399 about 1.1 - 1.3 Gyrs ago from the NE to the SW and is now almost at the point of its next encounter from the S. This scenario explains the s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.02134","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":"1809.02134","created_at":"2026-05-18T00:03:45.302391+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.02134v1","created_at":"2026-05-18T00:03:45.302391+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.02134","created_at":"2026-05-18T00:03:45.302391+00:00"},{"alias_kind":"pith_short_12","alias_value":"LDJEPSECND23","created_at":"2026-05-18T12:32:37.024351+00:00"},{"alias_kind":"pith_short_16","alias_value":"LDJEPSECND23U3GQ","created_at":"2026-05-18T12:32:37.024351+00:00"},{"alias_kind":"pith_short_8","alias_value":"LDJEPSEC","created_at":"2026-05-18T12:32:37.024351+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/LDJEPSECND23U3GQF4BVH7CB5J","json":"https://pith.science/pith/LDJEPSECND23U3GQF4BVH7CB5J.json","graph_json":"https://pith.science/api/pith-number/LDJEPSECND23U3GQF4BVH7CB5J/graph.json","events_json":"https://pith.science/api/pith-number/LDJEPSECND23U3GQF4BVH7CB5J/events.json","paper":"https://pith.science/paper/LDJEPSEC"},"agent_actions":{"view_html":"https://pith.science/pith/LDJEPSECND23U3GQF4BVH7CB5J","download_json":"https://pith.science/pith/LDJEPSECND23U3GQF4BVH7CB5J.json","view_paper":"https://pith.science/paper/LDJEPSEC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.02134&json=true","fetch_graph":"https://pith.science/api/pith-number/LDJEPSECND23U3GQF4BVH7CB5J/graph.json","fetch_events":"https://pith.science/api/pith-number/LDJEPSECND23U3GQF4BVH7CB5J/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LDJEPSECND23U3GQF4BVH7CB5J/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LDJEPSECND23U3GQF4BVH7CB5J/action/storage_attestation","attest_author":"https://pith.science/pith/LDJEPSECND23U3GQF4BVH7CB5J/action/author_attestation","sign_citation":"https://pith.science/pith/LDJEPSECND23U3GQF4BVH7CB5J/action/citation_signature","submit_replication":"https://pith.science/pith/LDJEPSECND23U3GQF4BVH7CB5J/action/replication_record"}},"created_at":"2026-05-18T00:03:45.302391+00:00","updated_at":"2026-05-18T00:03:45.302391+00:00"}