{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:43EXTB4IPWZAUOOWTRCN4N5RQJ","short_pith_number":"pith:43EXTB4I","schema_version":"1.0","canonical_sha256":"e6c97987887db20a39d69c44de37b1827d6d60f1d064716d759f92dec318ffd2","source":{"kind":"arxiv","id":"1007.3212","version":1},"attestation_state":"computed","paper":{"title":"Water/Icy Super-Earths: Giant Impacts and Maximum Water Content","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Dimitar Sasselov, Lars Hernquist, Robert A. Marcus, Sarah T. Stewart","submitted_at":"2010-07-19T17:16:00Z","abstract_excerpt":"Water-rich super-Earth exoplanets are expected to be common. We explore the effect of late giant impacts on the final bulk abundance of water in such planets. We present the results from smoothed particle hydrodynamics simulations of impacts between differentiated water(ice)-rock planets with masses between 0.5 and 5 M_Earth and projectile to target mass ratios from 1:1 to 1:4. We find that giant impacts between bodies of similar composition never decrease the bulk density of the target planet. If the commonly assumed maximum water fraction of 75wt% for bodies forming beyond the snow line is c"},"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":"1007.3212","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2010-07-19T17:16:00Z","cross_cats_sorted":[],"title_canon_sha256":"2f610e4059e2bf119e107906b25901cd011e91512ebb4525f0877c8d5f0207ac","abstract_canon_sha256":"a30f200bb1cde6be6261e3dfc4122e8f04d5290cb1258383f7b4ea4d3afadb6c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:20.497253Z","signature_b64":"YOWMLrGtq3EWiGO1pV9w/Lber3sx9TbuzBI5Pdrr3FzS2iqu5JwYXLY7mf2i/9VU4TmtIR9AD2qG+eqDjvlYBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e6c97987887db20a39d69c44de37b1827d6d60f1d064716d759f92dec318ffd2","last_reissued_at":"2026-05-18T02:06:20.496418Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:20.496418Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Water/Icy Super-Earths: Giant Impacts and Maximum Water Content","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Dimitar Sasselov, Lars Hernquist, Robert A. Marcus, Sarah T. Stewart","submitted_at":"2010-07-19T17:16:00Z","abstract_excerpt":"Water-rich super-Earth exoplanets are expected to be common. We explore the effect of late giant impacts on the final bulk abundance of water in such planets. We present the results from smoothed particle hydrodynamics simulations of impacts between differentiated water(ice)-rock planets with masses between 0.5 and 5 M_Earth and projectile to target mass ratios from 1:1 to 1:4. We find that giant impacts between bodies of similar composition never decrease the bulk density of the target planet. If the commonly assumed maximum water fraction of 75wt% for bodies forming beyond the snow line is c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.3212","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":"1007.3212","created_at":"2026-05-18T02:06:20.496553+00:00"},{"alias_kind":"arxiv_version","alias_value":"1007.3212v1","created_at":"2026-05-18T02:06:20.496553+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.3212","created_at":"2026-05-18T02:06:20.496553+00:00"},{"alias_kind":"pith_short_12","alias_value":"43EXTB4IPWZA","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_16","alias_value":"43EXTB4IPWZAUOOW","created_at":"2026-05-18T12:26:03.138858+00:00"},{"alias_kind":"pith_short_8","alias_value":"43EXTB4I","created_at":"2026-05-18T12:26:03.138858+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.26026","citing_title":"Can giant impacts be directly detected in other star systems?","ref_index":44,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/43EXTB4IPWZAUOOWTRCN4N5RQJ","json":"https://pith.science/pith/43EXTB4IPWZAUOOWTRCN4N5RQJ.json","graph_json":"https://pith.science/api/pith-number/43EXTB4IPWZAUOOWTRCN4N5RQJ/graph.json","events_json":"https://pith.science/api/pith-number/43EXTB4IPWZAUOOWTRCN4N5RQJ/events.json","paper":"https://pith.science/paper/43EXTB4I"},"agent_actions":{"view_html":"https://pith.science/pith/43EXTB4IPWZAUOOWTRCN4N5RQJ","download_json":"https://pith.science/pith/43EXTB4IPWZAUOOWTRCN4N5RQJ.json","view_paper":"https://pith.science/paper/43EXTB4I","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1007.3212&json=true","fetch_graph":"https://pith.science/api/pith-number/43EXTB4IPWZAUOOWTRCN4N5RQJ/graph.json","fetch_events":"https://pith.science/api/pith-number/43EXTB4IPWZAUOOWTRCN4N5RQJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/43EXTB4IPWZAUOOWTRCN4N5RQJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/43EXTB4IPWZAUOOWTRCN4N5RQJ/action/storage_attestation","attest_author":"https://pith.science/pith/43EXTB4IPWZAUOOWTRCN4N5RQJ/action/author_attestation","sign_citation":"https://pith.science/pith/43EXTB4IPWZAUOOWTRCN4N5RQJ/action/citation_signature","submit_replication":"https://pith.science/pith/43EXTB4IPWZAUOOWTRCN4N5RQJ/action/replication_record"}},"created_at":"2026-05-18T02:06:20.496553+00:00","updated_at":"2026-05-18T02:06:20.496553+00:00"}