{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:AGT5KCXZM3LLEG4RLAST7NMLEB","short_pith_number":"pith:AGT5KCXZ","schema_version":"1.0","canonical_sha256":"01a7d50af966d6b21b9158253fb58b2063978ab286b6b85c18057c64d3be7144","source":{"kind":"arxiv","id":"2507.12756","version":1},"attestation_state":"computed","paper":{"title":"Great comet C/2023 A3 (Tsuchinshan-ATLAS): dust loss before perihelion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Bin Liu, Man-To Hui, XiaoDong Liu","submitted_at":"2025-07-17T03:18:21Z","abstract_excerpt":"In this study, the dust loss of comet C/2023 A3 (Tsuchinshan-ATLAS) is investigated through the analysis of archival images. By measuring the surface brightness profile of the coma, we determined that the comet maintained nearly in a steady state during the observations. Analysis of the dust distribution perpendicular to the orbital plane reveals that the ejection velocity is $v_{\\perp}\\sim(65\\pm5)\\,\\beta^{1/2}$ m s$^{-1}$, where $\\beta$ is inversely proportional to the size of the dust grains. From the dust scattering cross-section measurement, we estimated the upper limit of the nucleus radi"},"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":"2507.12756","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-17T03:18:21Z","cross_cats_sorted":[],"title_canon_sha256":"2b8980f86337090e90f692964216fb53f3f03162b38a73187221a48b5a41579d","abstract_canon_sha256":"4339367e11e3bc3f8e820d2ef0dec1c94e0566d39e7b5c2d1f702901b8fcf9fb"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:40:01.800121Z","signature_b64":"B3SDJNoVANKOtaorNhiKJYGs2D9BgSGe/g9u3jidicSUc//xzINt9nq8NIiKtVFk68OBM9OOLihyaUNjmTmKBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"01a7d50af966d6b21b9158253fb58b2063978ab286b6b85c18057c64d3be7144","last_reissued_at":"2026-07-05T11:40:01.799571Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:40:01.799571Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Great comet C/2023 A3 (Tsuchinshan-ATLAS): dust loss before perihelion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Bin Liu, Man-To Hui, XiaoDong Liu","submitted_at":"2025-07-17T03:18:21Z","abstract_excerpt":"In this study, the dust loss of comet C/2023 A3 (Tsuchinshan-ATLAS) is investigated through the analysis of archival images. By measuring the surface brightness profile of the coma, we determined that the comet maintained nearly in a steady state during the observations. Analysis of the dust distribution perpendicular to the orbital plane reveals that the ejection velocity is $v_{\\perp}\\sim(65\\pm5)\\,\\beta^{1/2}$ m s$^{-1}$, where $\\beta$ is inversely proportional to the size of the dust grains. From the dust scattering cross-section measurement, we estimated the upper limit of the nucleus radi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.12756","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2507.12756/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2507.12756","created_at":"2026-07-05T11:40:01.799630+00:00"},{"alias_kind":"arxiv_version","alias_value":"2507.12756v1","created_at":"2026-07-05T11:40:01.799630+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.12756","created_at":"2026-07-05T11:40:01.799630+00:00"},{"alias_kind":"pith_short_12","alias_value":"AGT5KCXZM3LL","created_at":"2026-07-05T11:40:01.799630+00:00"},{"alias_kind":"pith_short_16","alias_value":"AGT5KCXZM3LLEG4R","created_at":"2026-07-05T11:40:01.799630+00:00"},{"alias_kind":"pith_short_8","alias_value":"AGT5KCXZ","created_at":"2026-07-05T11:40:01.799630+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/AGT5KCXZM3LLEG4RLAST7NMLEB","json":"https://pith.science/pith/AGT5KCXZM3LLEG4RLAST7NMLEB.json","graph_json":"https://pith.science/api/pith-number/AGT5KCXZM3LLEG4RLAST7NMLEB/graph.json","events_json":"https://pith.science/api/pith-number/AGT5KCXZM3LLEG4RLAST7NMLEB/events.json","paper":"https://pith.science/paper/AGT5KCXZ"},"agent_actions":{"view_html":"https://pith.science/pith/AGT5KCXZM3LLEG4RLAST7NMLEB","download_json":"https://pith.science/pith/AGT5KCXZM3LLEG4RLAST7NMLEB.json","view_paper":"https://pith.science/paper/AGT5KCXZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2507.12756&json=true","fetch_graph":"https://pith.science/api/pith-number/AGT5KCXZM3LLEG4RLAST7NMLEB/graph.json","fetch_events":"https://pith.science/api/pith-number/AGT5KCXZM3LLEG4RLAST7NMLEB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AGT5KCXZM3LLEG4RLAST7NMLEB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AGT5KCXZM3LLEG4RLAST7NMLEB/action/storage_attestation","attest_author":"https://pith.science/pith/AGT5KCXZM3LLEG4RLAST7NMLEB/action/author_attestation","sign_citation":"https://pith.science/pith/AGT5KCXZM3LLEG4RLAST7NMLEB/action/citation_signature","submit_replication":"https://pith.science/pith/AGT5KCXZM3LLEG4RLAST7NMLEB/action/replication_record"}},"created_at":"2026-07-05T11:40:01.799630+00:00","updated_at":"2026-07-05T11:40:01.799630+00:00"}