{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:H5KXFCHDDWOKMLHRM23BZ3ZZ6C","short_pith_number":"pith:H5KXFCHD","schema_version":"1.0","canonical_sha256":"3f557288e31d9ca62cf166b61cef39f0a68105862ca3339cbf51ccb3f50e4168","source":{"kind":"arxiv","id":"1710.07482","version":1},"attestation_state":"computed","paper":{"title":"How alien can alien worlds be?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"N. C. Santos, P. Figueira, V. Adibekyan","submitted_at":"2017-10-20T10:51:04Z","abstract_excerpt":"In an attempt to select stars that can host planets with characteristics similar to our own, we selected seven solar-type stars known to host planets in the habitable zone and for which spectroscopic stellar parameters are available. For these stars we estimated 'empirical' abundances of O, C, Mg and Si, which in turn we used to derive the iron and water mass fraction of the planet building blocks with the use of the model presented in Santos et al. (2015). Our results show that if rocky planets orbit these stars they might have significantly different compositions between themselves and diffe"},"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":"1710.07482","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-10-20T10:51:04Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7168a8605ff105ea27258688a42f72bb7cb3656c8a3eb868b0612020d052e095","abstract_canon_sha256":"3550da4d7eddaf2f0fd66ef8d2b96d74bb3a1b18c6d8eb71e54dacb56a9d5f7a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:24.689200Z","signature_b64":"svYxWYRDcvx5B/KJGpIzwP7YfIVvSKEB57JbJGJY0v+tbCONk3Olxu5sUo15cdwS+jMpl8tHcNGzlSrNFqAlDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f557288e31d9ca62cf166b61cef39f0a68105862ca3339cbf51ccb3f50e4168","last_reissued_at":"2026-05-18T00:32:24.688566Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:24.688566Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"How alien can alien worlds be?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"N. C. Santos, P. Figueira, V. Adibekyan","submitted_at":"2017-10-20T10:51:04Z","abstract_excerpt":"In an attempt to select stars that can host planets with characteristics similar to our own, we selected seven solar-type stars known to host planets in the habitable zone and for which spectroscopic stellar parameters are available. For these stars we estimated 'empirical' abundances of O, C, Mg and Si, which in turn we used to derive the iron and water mass fraction of the planet building blocks with the use of the model presented in Santos et al. (2015). Our results show that if rocky planets orbit these stars they might have significantly different compositions between themselves and diffe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.07482","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":"1710.07482","created_at":"2026-05-18T00:32:24.688671+00:00"},{"alias_kind":"arxiv_version","alias_value":"1710.07482v1","created_at":"2026-05-18T00:32:24.688671+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.07482","created_at":"2026-05-18T00:32:24.688671+00:00"},{"alias_kind":"pith_short_12","alias_value":"H5KXFCHDDWOK","created_at":"2026-05-18T12:31:18.294218+00:00"},{"alias_kind":"pith_short_16","alias_value":"H5KXFCHDDWOKMLHR","created_at":"2026-05-18T12:31:18.294218+00:00"},{"alias_kind":"pith_short_8","alias_value":"H5KXFCHD","created_at":"2026-05-18T12:31:18.294218+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/H5KXFCHDDWOKMLHRM23BZ3ZZ6C","json":"https://pith.science/pith/H5KXFCHDDWOKMLHRM23BZ3ZZ6C.json","graph_json":"https://pith.science/api/pith-number/H5KXFCHDDWOKMLHRM23BZ3ZZ6C/graph.json","events_json":"https://pith.science/api/pith-number/H5KXFCHDDWOKMLHRM23BZ3ZZ6C/events.json","paper":"https://pith.science/paper/H5KXFCHD"},"agent_actions":{"view_html":"https://pith.science/pith/H5KXFCHDDWOKMLHRM23BZ3ZZ6C","download_json":"https://pith.science/pith/H5KXFCHDDWOKMLHRM23BZ3ZZ6C.json","view_paper":"https://pith.science/paper/H5KXFCHD","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1710.07482&json=true","fetch_graph":"https://pith.science/api/pith-number/H5KXFCHDDWOKMLHRM23BZ3ZZ6C/graph.json","fetch_events":"https://pith.science/api/pith-number/H5KXFCHDDWOKMLHRM23BZ3ZZ6C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/H5KXFCHDDWOKMLHRM23BZ3ZZ6C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/H5KXFCHDDWOKMLHRM23BZ3ZZ6C/action/storage_attestation","attest_author":"https://pith.science/pith/H5KXFCHDDWOKMLHRM23BZ3ZZ6C/action/author_attestation","sign_citation":"https://pith.science/pith/H5KXFCHDDWOKMLHRM23BZ3ZZ6C/action/citation_signature","submit_replication":"https://pith.science/pith/H5KXFCHDDWOKMLHRM23BZ3ZZ6C/action/replication_record"}},"created_at":"2026-05-18T00:32:24.688671+00:00","updated_at":"2026-05-18T00:32:24.688671+00:00"}