{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:NCG7AFWHQEJTGRUJ5MSCSB7J2H","short_pith_number":"pith:NCG7AFWH","schema_version":"1.0","canonical_sha256":"688df016c78113334689eb242907e9d1e35bce456f279702372a5c6ec35de5f3","source":{"kind":"arxiv","id":"1502.03189","version":1},"attestation_state":"computed","paper":{"title":"Exploring Exogenic Sources for the Olivine on Asteroid (4) Vesta","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.geo-ph"],"primary_cat":"astro-ph.EP","authors_text":"Andreas Nathues, Edward A. Cloutis, Juan A. Sanchez, Lucille Le Corre, Matthew R.M. Izawa, Paul Mann, Tasha Dunn, Vishnu Reddy","submitted_at":"2015-02-11T03:55:08Z","abstract_excerpt":"The detection of olivine on Vesta is interesting because it may provide critical insights into planetary differentiation early in our Solar System's history. Ground-based and Hubble Space Telescope (HST) observations of asteroid (4) Vesta have suggested the presence of olivine on the surface. These observations were reinforced by the discovery of olivine-rich HED meteorites from Vesta in recent years. However, analysis of data from NASA's Dawn spacecraft has shown that this olivine-bearing unit is actually impact melt in the ejecta of Oppia crater. The lack of widespread mantle olivine, expose"},"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":"1502.03189","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2015-02-11T03:55:08Z","cross_cats_sorted":["physics.geo-ph"],"title_canon_sha256":"ea31e7868c72da5c4a8b58549f2ecf1c6d97ef8da4e4b5db82d1d13fa7b51c0e","abstract_canon_sha256":"89e8a8c8a5541f0eb4b6a6a069edf30b7c624fa2882674dea5f460797f57ec03"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:27:20.261823Z","signature_b64":"kk+QM4+/m49exwcVBQZ//99y3eH3vR7z/eP7iJzDW17csLZA9RTyoFKHq4GiJE87K9mOtIuCw+T/EoVpBiQaBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"688df016c78113334689eb242907e9d1e35bce456f279702372a5c6ec35de5f3","last_reissued_at":"2026-05-18T02:27:20.261066Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:27:20.261066Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Exploring Exogenic Sources for the Olivine on Asteroid (4) Vesta","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.geo-ph"],"primary_cat":"astro-ph.EP","authors_text":"Andreas Nathues, Edward A. Cloutis, Juan A. Sanchez, Lucille Le Corre, Matthew R.M. Izawa, Paul Mann, Tasha Dunn, Vishnu Reddy","submitted_at":"2015-02-11T03:55:08Z","abstract_excerpt":"The detection of olivine on Vesta is interesting because it may provide critical insights into planetary differentiation early in our Solar System's history. Ground-based and Hubble Space Telescope (HST) observations of asteroid (4) Vesta have suggested the presence of olivine on the surface. These observations were reinforced by the discovery of olivine-rich HED meteorites from Vesta in recent years. However, analysis of data from NASA's Dawn spacecraft has shown that this olivine-bearing unit is actually impact melt in the ejecta of Oppia crater. The lack of widespread mantle olivine, expose"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.03189","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":"1502.03189","created_at":"2026-05-18T02:27:20.261198+00:00"},{"alias_kind":"arxiv_version","alias_value":"1502.03189v1","created_at":"2026-05-18T02:27:20.261198+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.03189","created_at":"2026-05-18T02:27:20.261198+00:00"},{"alias_kind":"pith_short_12","alias_value":"NCG7AFWHQEJT","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_16","alias_value":"NCG7AFWHQEJTGRUJ","created_at":"2026-05-18T12:29:32.376354+00:00"},{"alias_kind":"pith_short_8","alias_value":"NCG7AFWH","created_at":"2026-05-18T12:29:32.376354+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/NCG7AFWHQEJTGRUJ5MSCSB7J2H","json":"https://pith.science/pith/NCG7AFWHQEJTGRUJ5MSCSB7J2H.json","graph_json":"https://pith.science/api/pith-number/NCG7AFWHQEJTGRUJ5MSCSB7J2H/graph.json","events_json":"https://pith.science/api/pith-number/NCG7AFWHQEJTGRUJ5MSCSB7J2H/events.json","paper":"https://pith.science/paper/NCG7AFWH"},"agent_actions":{"view_html":"https://pith.science/pith/NCG7AFWHQEJTGRUJ5MSCSB7J2H","download_json":"https://pith.science/pith/NCG7AFWHQEJTGRUJ5MSCSB7J2H.json","view_paper":"https://pith.science/paper/NCG7AFWH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1502.03189&json=true","fetch_graph":"https://pith.science/api/pith-number/NCG7AFWHQEJTGRUJ5MSCSB7J2H/graph.json","fetch_events":"https://pith.science/api/pith-number/NCG7AFWHQEJTGRUJ5MSCSB7J2H/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NCG7AFWHQEJTGRUJ5MSCSB7J2H/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NCG7AFWHQEJTGRUJ5MSCSB7J2H/action/storage_attestation","attest_author":"https://pith.science/pith/NCG7AFWHQEJTGRUJ5MSCSB7J2H/action/author_attestation","sign_citation":"https://pith.science/pith/NCG7AFWHQEJTGRUJ5MSCSB7J2H/action/citation_signature","submit_replication":"https://pith.science/pith/NCG7AFWHQEJTGRUJ5MSCSB7J2H/action/replication_record"}},"created_at":"2026-05-18T02:27:20.261198+00:00","updated_at":"2026-05-18T02:27:20.261198+00:00"}