{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:VUPWNUCJKIAVLI6MR2QWVY5BZ5","short_pith_number":"pith:VUPWNUCJ","schema_version":"1.0","canonical_sha256":"ad1f66d049520155a3cc8ea16ae3a1cf77be79a041550e4ec92a3042a5d2513d","source":{"kind":"arxiv","id":"1807.05305","version":1},"attestation_state":"computed","paper":{"title":"The Origin of Heavy Element Content Trend in Giant Planets via Core Accretion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Gautam Vasisht, Geoffrey Bryden, Mark Swain, Masahiro Ikoma, Yasuhiro Hasegawa","submitted_at":"2018-07-13T23:31:35Z","abstract_excerpt":"We explore the origin of the trend of heavy elements in observed massive exoplanets. Coupling of better measurements of mass ($M_p$) and radius of exoplanets with planet structure models enables estimating the total heavy element mass ($M_Z$) in these planets. The corresponding relation is characterized by a power-law profile, $M_Z \\propto M_p^{3/5}$. We develop a simplified, but physically motivated analysis to investigate how the power-law profile can be produced under the current picture of planet formation. Making use of the existing semi-analytical formulae of accretion rates of pebbles a"},"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":"1807.05305","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-07-13T23:31:35Z","cross_cats_sorted":[],"title_canon_sha256":"368d3ff18cada9e9e97529ac7daaf86196b541785421cdd3517ebf9eb893767b","abstract_canon_sha256":"5dfe331e109184b7103b689b22e1700ab500590ddf01445be75e0a7fd859781d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:46.183876Z","signature_b64":"PTM2WcWn0i57NYvHlNoWUwcFoc2VMZTaeD7hXeTCdO/t+YP6ojTZbkK/926DrzkKh8ihEq7TFbDkwhGLZmF8Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad1f66d049520155a3cc8ea16ae3a1cf77be79a041550e4ec92a3042a5d2513d","last_reissued_at":"2026-05-18T00:03:46.183190Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:46.183190Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Origin of Heavy Element Content Trend in Giant Planets via Core Accretion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Gautam Vasisht, Geoffrey Bryden, Mark Swain, Masahiro Ikoma, Yasuhiro Hasegawa","submitted_at":"2018-07-13T23:31:35Z","abstract_excerpt":"We explore the origin of the trend of heavy elements in observed massive exoplanets. Coupling of better measurements of mass ($M_p$) and radius of exoplanets with planet structure models enables estimating the total heavy element mass ($M_Z$) in these planets. The corresponding relation is characterized by a power-law profile, $M_Z \\propto M_p^{3/5}$. We develop a simplified, but physically motivated analysis to investigate how the power-law profile can be produced under the current picture of planet formation. Making use of the existing semi-analytical formulae of accretion rates of pebbles a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.05305","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":"1807.05305","created_at":"2026-05-18T00:03:46.183298+00:00"},{"alias_kind":"arxiv_version","alias_value":"1807.05305v1","created_at":"2026-05-18T00:03:46.183298+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.05305","created_at":"2026-05-18T00:03:46.183298+00:00"},{"alias_kind":"pith_short_12","alias_value":"VUPWNUCJKIAV","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_16","alias_value":"VUPWNUCJKIAVLI6M","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_8","alias_value":"VUPWNUCJ","created_at":"2026-05-18T12:32:59.047623+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/VUPWNUCJKIAVLI6MR2QWVY5BZ5","json":"https://pith.science/pith/VUPWNUCJKIAVLI6MR2QWVY5BZ5.json","graph_json":"https://pith.science/api/pith-number/VUPWNUCJKIAVLI6MR2QWVY5BZ5/graph.json","events_json":"https://pith.science/api/pith-number/VUPWNUCJKIAVLI6MR2QWVY5BZ5/events.json","paper":"https://pith.science/paper/VUPWNUCJ"},"agent_actions":{"view_html":"https://pith.science/pith/VUPWNUCJKIAVLI6MR2QWVY5BZ5","download_json":"https://pith.science/pith/VUPWNUCJKIAVLI6MR2QWVY5BZ5.json","view_paper":"https://pith.science/paper/VUPWNUCJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1807.05305&json=true","fetch_graph":"https://pith.science/api/pith-number/VUPWNUCJKIAVLI6MR2QWVY5BZ5/graph.json","fetch_events":"https://pith.science/api/pith-number/VUPWNUCJKIAVLI6MR2QWVY5BZ5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VUPWNUCJKIAVLI6MR2QWVY5BZ5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VUPWNUCJKIAVLI6MR2QWVY5BZ5/action/storage_attestation","attest_author":"https://pith.science/pith/VUPWNUCJKIAVLI6MR2QWVY5BZ5/action/author_attestation","sign_citation":"https://pith.science/pith/VUPWNUCJKIAVLI6MR2QWVY5BZ5/action/citation_signature","submit_replication":"https://pith.science/pith/VUPWNUCJKIAVLI6MR2QWVY5BZ5/action/replication_record"}},"created_at":"2026-05-18T00:03:46.183298+00:00","updated_at":"2026-05-18T00:03:46.183298+00:00"}