{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:QU3N7XNVCOJG2SQUXRRCQESMX3","short_pith_number":"pith:QU3N7XNV","schema_version":"1.0","canonical_sha256":"8536dfddb513926d4a14bc6228124cbedca34e2f1cb17933f4ab3c6167e55d9a","source":{"kind":"arxiv","id":"1212.0591","version":1},"attestation_state":"computed","paper":{"title":"The Dust Mantle of Comet 9P/Tempel 1: Dynamical Constraints on Physical Properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Hiroshi Kimura, Hiroshi Kobayashi, Satoru Yamamoto","submitted_at":"2012-12-04T00:32:35Z","abstract_excerpt":"The trajectories of dust particles ejected from a comet are affected by solar radiation pressure as a function of their ratios of radiation pressure cross section to mass. Therefore, a study on the orbital evolution of the particles caused by the radiation pressure reveals the physical properties of dust on the surface of the comet nucleus. In the course of NASA's Deep Impact mission, the ejecta plume evolved under the influence of the radiation pressure. From the evolution and shape of the plume, we have succeeded in obtaining $\\beta \\approx 0.4$, where $\\beta$ is the ratio of the radiation p"},"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":"1212.0591","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-12-04T00:32:35Z","cross_cats_sorted":[],"title_canon_sha256":"4392e69852459652bddbe488c4784c5d53290bf60ac9377737d8e7aba7d8caa5","abstract_canon_sha256":"1792ba27761e23c6d5369722b2af3c9b33f7e1b3ab8cebb473e918844cccde6e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:48.093693Z","signature_b64":"k0red+Qhv3xqO+KoRGZzR2AQM9suwT0m+edYC6JueCYI+PDux5SYCzmiQJ0I1753P8g8BaOiaUfL4ATXakosCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8536dfddb513926d4a14bc6228124cbedca34e2f1cb17933f4ab3c6167e55d9a","last_reissued_at":"2026-05-18T01:52:48.093122Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:48.093122Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Dust Mantle of Comet 9P/Tempel 1: Dynamical Constraints on Physical Properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Hiroshi Kimura, Hiroshi Kobayashi, Satoru Yamamoto","submitted_at":"2012-12-04T00:32:35Z","abstract_excerpt":"The trajectories of dust particles ejected from a comet are affected by solar radiation pressure as a function of their ratios of radiation pressure cross section to mass. Therefore, a study on the orbital evolution of the particles caused by the radiation pressure reveals the physical properties of dust on the surface of the comet nucleus. In the course of NASA's Deep Impact mission, the ejecta plume evolved under the influence of the radiation pressure. From the evolution and shape of the plume, we have succeeded in obtaining $\\beta \\approx 0.4$, where $\\beta$ is the ratio of the radiation p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.0591","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":"1212.0591","created_at":"2026-05-18T01:52:48.093206+00:00"},{"alias_kind":"arxiv_version","alias_value":"1212.0591v1","created_at":"2026-05-18T01:52:48.093206+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.0591","created_at":"2026-05-18T01:52:48.093206+00:00"},{"alias_kind":"pith_short_12","alias_value":"QU3N7XNVCOJG","created_at":"2026-05-18T12:27:20.899486+00:00"},{"alias_kind":"pith_short_16","alias_value":"QU3N7XNVCOJG2SQU","created_at":"2026-05-18T12:27:20.899486+00:00"},{"alias_kind":"pith_short_8","alias_value":"QU3N7XNV","created_at":"2026-05-18T12:27:20.899486+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/QU3N7XNVCOJG2SQUXRRCQESMX3","json":"https://pith.science/pith/QU3N7XNVCOJG2SQUXRRCQESMX3.json","graph_json":"https://pith.science/api/pith-number/QU3N7XNVCOJG2SQUXRRCQESMX3/graph.json","events_json":"https://pith.science/api/pith-number/QU3N7XNVCOJG2SQUXRRCQESMX3/events.json","paper":"https://pith.science/paper/QU3N7XNV"},"agent_actions":{"view_html":"https://pith.science/pith/QU3N7XNVCOJG2SQUXRRCQESMX3","download_json":"https://pith.science/pith/QU3N7XNVCOJG2SQUXRRCQESMX3.json","view_paper":"https://pith.science/paper/QU3N7XNV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1212.0591&json=true","fetch_graph":"https://pith.science/api/pith-number/QU3N7XNVCOJG2SQUXRRCQESMX3/graph.json","fetch_events":"https://pith.science/api/pith-number/QU3N7XNVCOJG2SQUXRRCQESMX3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QU3N7XNVCOJG2SQUXRRCQESMX3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QU3N7XNVCOJG2SQUXRRCQESMX3/action/storage_attestation","attest_author":"https://pith.science/pith/QU3N7XNVCOJG2SQUXRRCQESMX3/action/author_attestation","sign_citation":"https://pith.science/pith/QU3N7XNVCOJG2SQUXRRCQESMX3/action/citation_signature","submit_replication":"https://pith.science/pith/QU3N7XNVCOJG2SQUXRRCQESMX3/action/replication_record"}},"created_at":"2026-05-18T01:52:48.093206+00:00","updated_at":"2026-05-18T01:52:48.093206+00:00"}