{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:A2THBPNTZXCVD6HY67LPXA3NGS","short_pith_number":"pith:A2THBPNT","schema_version":"1.0","canonical_sha256":"06a670bdb3cdc551f8f8f7d6fb836d349f8c83fbbddfb1f6ff69415b002e1aae","source":{"kind":"arxiv","id":"1811.00023","version":2},"attestation_state":"computed","paper":{"title":"Origin of 1I/'Oumuamua. II. An ejected exo-Oort cloud object?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Amaya Moro-Mart\\'in","submitted_at":"2018-10-31T18:00:02Z","abstract_excerpt":"1I/'Oumuamua is the first detected interstellar interloper. We test the hypothesis that it is representative of a background population of exo-Oort cloud objects ejected under the effect of post-main sequence mass loss and stellar encounters. We do this by comparing the cumulative number density of interstellar objects inferred from the detection of 1I/'Oumuamua to that expected from these two clearing processes. We consider the 0.08--8 M$_{\\odot}$ mass range, take into account the dependencies with stellar mass, Galactocentric distance, and evolutionary state, and consider a wide range of siz"},"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":"1811.00023","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2018-10-31T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"b3c5b5d6af70fae648053a67b2c6da537e519aefbc67bbc9e28fd97966643958","abstract_canon_sha256":"ee90e1d4e8ad9fbcf493ce2c3049c6df48ea2383568a311ef5715539ff8121a9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:54:15.806297Z","signature_b64":"S9GdeUySOuxP4CYV852J87mNtfGqmF1kQ4KJlSs1YLgyKzbk+0y1CzQaW4OjzeUtlpzoL1ZobHGwiLywmL0jAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"06a670bdb3cdc551f8f8f7d6fb836d349f8c83fbbddfb1f6ff69415b002e1aae","last_reissued_at":"2026-05-17T23:54:15.805853Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:54:15.805853Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Origin of 1I/'Oumuamua. II. An ejected exo-Oort cloud object?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Amaya Moro-Mart\\'in","submitted_at":"2018-10-31T18:00:02Z","abstract_excerpt":"1I/'Oumuamua is the first detected interstellar interloper. We test the hypothesis that it is representative of a background population of exo-Oort cloud objects ejected under the effect of post-main sequence mass loss and stellar encounters. We do this by comparing the cumulative number density of interstellar objects inferred from the detection of 1I/'Oumuamua to that expected from these two clearing processes. We consider the 0.08--8 M$_{\\odot}$ mass range, take into account the dependencies with stellar mass, Galactocentric distance, and evolutionary state, and consider a wide range of siz"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.00023","kind":"arxiv","version":2},"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":"1811.00023","created_at":"2026-05-17T23:54:15.805922+00:00"},{"alias_kind":"arxiv_version","alias_value":"1811.00023v2","created_at":"2026-05-17T23:54:15.805922+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.00023","created_at":"2026-05-17T23:54:15.805922+00:00"},{"alias_kind":"pith_short_12","alias_value":"A2THBPNTZXCV","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_16","alias_value":"A2THBPNTZXCVD6HY","created_at":"2026-05-18T12:32:13.499390+00:00"},{"alias_kind":"pith_short_8","alias_value":"A2THBPNT","created_at":"2026-05-18T12:32:13.499390+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1907.01910","citing_title":"The Natural History of 'Oumuamua","ref_index":53,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/A2THBPNTZXCVD6HY67LPXA3NGS","json":"https://pith.science/pith/A2THBPNTZXCVD6HY67LPXA3NGS.json","graph_json":"https://pith.science/api/pith-number/A2THBPNTZXCVD6HY67LPXA3NGS/graph.json","events_json":"https://pith.science/api/pith-number/A2THBPNTZXCVD6HY67LPXA3NGS/events.json","paper":"https://pith.science/paper/A2THBPNT"},"agent_actions":{"view_html":"https://pith.science/pith/A2THBPNTZXCVD6HY67LPXA3NGS","download_json":"https://pith.science/pith/A2THBPNTZXCVD6HY67LPXA3NGS.json","view_paper":"https://pith.science/paper/A2THBPNT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1811.00023&json=true","fetch_graph":"https://pith.science/api/pith-number/A2THBPNTZXCVD6HY67LPXA3NGS/graph.json","fetch_events":"https://pith.science/api/pith-number/A2THBPNTZXCVD6HY67LPXA3NGS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/A2THBPNTZXCVD6HY67LPXA3NGS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/A2THBPNTZXCVD6HY67LPXA3NGS/action/storage_attestation","attest_author":"https://pith.science/pith/A2THBPNTZXCVD6HY67LPXA3NGS/action/author_attestation","sign_citation":"https://pith.science/pith/A2THBPNTZXCVD6HY67LPXA3NGS/action/citation_signature","submit_replication":"https://pith.science/pith/A2THBPNTZXCVD6HY67LPXA3NGS/action/replication_record"}},"created_at":"2026-05-17T23:54:15.805922+00:00","updated_at":"2026-05-17T23:54:15.805922+00:00"}