{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:IBGM2GQM3APDQMQ76WZO4QOQMU","short_pith_number":"pith:IBGM2GQM","schema_version":"1.0","canonical_sha256":"404ccd1a0cd81e38321ff5b2ee41d0650a0685b9b47c650976b3486d06336b7e","source":{"kind":"arxiv","id":"1904.10288","version":1},"attestation_state":"computed","paper":{"title":"The Heavy-element Content Trend of Planets: A Tracer of their Formation Sites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Bradley M. S. Hansen, Gautam Vasisht, Yasuhiro Hasegawa","submitted_at":"2019-04-23T12:45:31Z","abstract_excerpt":"Identification of the main planet formation site is fundamental to understanding how planets form and migrate to the current locations. We consider the heavy-element content trend of observed exoplanets derived from improved measurements of mass and radius, and explore how this trend can be used as a tracer of their formation sites. Using gas accretion recipes obtained from detailed hydrodynamical simulations, we confirm that the disk-limited gas accretion regime is most important for reproducing the heavy-element content trend. Given that such a regime is specified by two characteristic masse"},"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":"1904.10288","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-04-23T12:45:31Z","cross_cats_sorted":[],"title_canon_sha256":"481ad4b532180bf5b9bb54baeb86d7584c3f8ae8ecc8f8c4b1cc7305d4995c92","abstract_canon_sha256":"20641a045f1b4075c5f55a959ec60fb0a3e13be0bcf85af495a7b044bff49a21"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:54.185857Z","signature_b64":"IqFW1XgvbIPuC866uiqwi9Lvb8UCXxUV36KV3MvnJSDNWyXh/PYUMxqtJlYcYJUIA2JmsG2lCB2U0IiCNZ3iDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"404ccd1a0cd81e38321ff5b2ee41d0650a0685b9b47c650976b3486d06336b7e","last_reissued_at":"2026-05-17T23:44:54.185324Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:54.185324Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Heavy-element Content Trend of Planets: A Tracer of their Formation Sites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Bradley M. S. Hansen, Gautam Vasisht, Yasuhiro Hasegawa","submitted_at":"2019-04-23T12:45:31Z","abstract_excerpt":"Identification of the main planet formation site is fundamental to understanding how planets form and migrate to the current locations. We consider the heavy-element content trend of observed exoplanets derived from improved measurements of mass and radius, and explore how this trend can be used as a tracer of their formation sites. Using gas accretion recipes obtained from detailed hydrodynamical simulations, we confirm that the disk-limited gas accretion regime is most important for reproducing the heavy-element content trend. Given that such a regime is specified by two characteristic masse"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.10288","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":"1904.10288","created_at":"2026-05-17T23:44:54.185404+00:00"},{"alias_kind":"arxiv_version","alias_value":"1904.10288v1","created_at":"2026-05-17T23:44:54.185404+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.10288","created_at":"2026-05-17T23:44:54.185404+00:00"},{"alias_kind":"pith_short_12","alias_value":"IBGM2GQM3APD","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_16","alias_value":"IBGM2GQM3APDQMQ7","created_at":"2026-05-18T12:33:18.533446+00:00"},{"alias_kind":"pith_short_8","alias_value":"IBGM2GQM","created_at":"2026-05-18T12:33:18.533446+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/IBGM2GQM3APDQMQ76WZO4QOQMU","json":"https://pith.science/pith/IBGM2GQM3APDQMQ76WZO4QOQMU.json","graph_json":"https://pith.science/api/pith-number/IBGM2GQM3APDQMQ76WZO4QOQMU/graph.json","events_json":"https://pith.science/api/pith-number/IBGM2GQM3APDQMQ76WZO4QOQMU/events.json","paper":"https://pith.science/paper/IBGM2GQM"},"agent_actions":{"view_html":"https://pith.science/pith/IBGM2GQM3APDQMQ76WZO4QOQMU","download_json":"https://pith.science/pith/IBGM2GQM3APDQMQ76WZO4QOQMU.json","view_paper":"https://pith.science/paper/IBGM2GQM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1904.10288&json=true","fetch_graph":"https://pith.science/api/pith-number/IBGM2GQM3APDQMQ76WZO4QOQMU/graph.json","fetch_events":"https://pith.science/api/pith-number/IBGM2GQM3APDQMQ76WZO4QOQMU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IBGM2GQM3APDQMQ76WZO4QOQMU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IBGM2GQM3APDQMQ76WZO4QOQMU/action/storage_attestation","attest_author":"https://pith.science/pith/IBGM2GQM3APDQMQ76WZO4QOQMU/action/author_attestation","sign_citation":"https://pith.science/pith/IBGM2GQM3APDQMQ76WZO4QOQMU/action/citation_signature","submit_replication":"https://pith.science/pith/IBGM2GQM3APDQMQ76WZO4QOQMU/action/replication_record"}},"created_at":"2026-05-17T23:44:54.185404+00:00","updated_at":"2026-05-17T23:44:54.185404+00:00"}