{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:NBUNIPN6X4WDHZM2VTKFQ6UMEY","short_pith_number":"pith:NBUNIPN6","schema_version":"1.0","canonical_sha256":"6868d43dbebf2c33e59aacd4587a8c2612fe2e5a1f494080b86c1c247fa58ba8","source":{"kind":"arxiv","id":"2507.17710","version":1},"attestation_state":"computed","paper":{"title":"Prediction of Apophis's deformation-driven rotational evolution during its closest encounter to the Earth in 2029","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Masatoshi Hirabayashi","submitted_at":"2025-07-23T17:21:04Z","abstract_excerpt":"In 2029, the near-Earth asteroid (99942) Apophis approaches the Earth within six Earth radii. This opportunity is one of the rarest natural experiments that we can use to better characterize a small body through telescopic observations and space missions. Earlier geological investigations consistently suggested that major geological processes might not occur on Apophis during this closest encounter, including surface processing and interior deformation. However, minor resurfacing may occur, depending on local geological conditions. A critical finding is that the rotational evolution occurs due"},"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":"2507.17710","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-23T17:21:04Z","cross_cats_sorted":[],"title_canon_sha256":"843ac2108ff9fd9aab86564cea5f06b56ab5be320ff82ed030a75174ada5c2d7","abstract_canon_sha256":"eab2ad6a80908aa3108d25ccb59726bc57ee00ff2f8e124cffdb0bbb196f11b4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:42:17.163206Z","signature_b64":"NzvDz1W3kCr2Nd4Cp/A1RVDgR0f6i7qOGQP7bhbzlm55UKcl/Ojjn2TRUUw/X52GH+/0FtkKY1sZQYDDD7+lBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6868d43dbebf2c33e59aacd4587a8c2612fe2e5a1f494080b86c1c247fa58ba8","last_reissued_at":"2026-07-05T11:42:17.162748Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:42:17.162748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Prediction of Apophis's deformation-driven rotational evolution during its closest encounter to the Earth in 2029","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Masatoshi Hirabayashi","submitted_at":"2025-07-23T17:21:04Z","abstract_excerpt":"In 2029, the near-Earth asteroid (99942) Apophis approaches the Earth within six Earth radii. This opportunity is one of the rarest natural experiments that we can use to better characterize a small body through telescopic observations and space missions. Earlier geological investigations consistently suggested that major geological processes might not occur on Apophis during this closest encounter, including surface processing and interior deformation. However, minor resurfacing may occur, depending on local geological conditions. A critical finding is that the rotational evolution occurs due"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.17710","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/2507.17710/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":"2507.17710","created_at":"2026-07-05T11:42:17.162804+00:00"},{"alias_kind":"arxiv_version","alias_value":"2507.17710v1","created_at":"2026-07-05T11:42:17.162804+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.17710","created_at":"2026-07-05T11:42:17.162804+00:00"},{"alias_kind":"pith_short_12","alias_value":"NBUNIPN6X4WD","created_at":"2026-07-05T11:42:17.162804+00:00"},{"alias_kind":"pith_short_16","alias_value":"NBUNIPN6X4WDHZM2","created_at":"2026-07-05T11:42:17.162804+00:00"},{"alias_kind":"pith_short_8","alias_value":"NBUNIPN6","created_at":"2026-07-05T11:42:17.162804+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/NBUNIPN6X4WDHZM2VTKFQ6UMEY","json":"https://pith.science/pith/NBUNIPN6X4WDHZM2VTKFQ6UMEY.json","graph_json":"https://pith.science/api/pith-number/NBUNIPN6X4WDHZM2VTKFQ6UMEY/graph.json","events_json":"https://pith.science/api/pith-number/NBUNIPN6X4WDHZM2VTKFQ6UMEY/events.json","paper":"https://pith.science/paper/NBUNIPN6"},"agent_actions":{"view_html":"https://pith.science/pith/NBUNIPN6X4WDHZM2VTKFQ6UMEY","download_json":"https://pith.science/pith/NBUNIPN6X4WDHZM2VTKFQ6UMEY.json","view_paper":"https://pith.science/paper/NBUNIPN6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2507.17710&json=true","fetch_graph":"https://pith.science/api/pith-number/NBUNIPN6X4WDHZM2VTKFQ6UMEY/graph.json","fetch_events":"https://pith.science/api/pith-number/NBUNIPN6X4WDHZM2VTKFQ6UMEY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NBUNIPN6X4WDHZM2VTKFQ6UMEY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NBUNIPN6X4WDHZM2VTKFQ6UMEY/action/storage_attestation","attest_author":"https://pith.science/pith/NBUNIPN6X4WDHZM2VTKFQ6UMEY/action/author_attestation","sign_citation":"https://pith.science/pith/NBUNIPN6X4WDHZM2VTKFQ6UMEY/action/citation_signature","submit_replication":"https://pith.science/pith/NBUNIPN6X4WDHZM2VTKFQ6UMEY/action/replication_record"}},"created_at":"2026-07-05T11:42:17.162804+00:00","updated_at":"2026-07-05T11:42:17.162804+00:00"}