{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:57FATBJBKJH7X522QL4MNGBBXC","short_pith_number":"pith:57FATBJB","schema_version":"1.0","canonical_sha256":"efca098521524ffbf75a82f8c69821b89802104e0a3c7cfc64e52737b6e7ae82","source":{"kind":"arxiv","id":"1701.00471","version":1},"attestation_state":"computed","paper":{"title":"An analytical model of crater count equilibrium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Caleb I. Fassett, David A. Minton, Masatoshi Hirabayashi","submitted_at":"2017-01-02T18:07:34Z","abstract_excerpt":"Crater count equilibrium occurs when new craters form at the same rate that old craters are erased, such that the total number of observable impacts remains constant. Despite substantial efforts to understand this process, there remain many unsolved problems. Here, we propose an analytical model that describes how a heavily cratered surface reaches a state of crater count equilibrium. The proposed model formulates three physical processes contributing to crater count equilibrium: cookie-cutting (simple, geometric overlap), ejecta-blanketing, and sandblasting (diffusive erosion). These three pr"},"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":"1701.00471","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-01-02T18:07:34Z","cross_cats_sorted":[],"title_canon_sha256":"1b520308516dfd5fedc4e3cc765c76eb31591d211598c6042c2227be6b1d2957","abstract_canon_sha256":"b35cb323f08666bb8a91db2b269f554d27619c027bb5f87bffd1c5e5f6c281cf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:49:10.301723Z","signature_b64":"N4+CcnMpfdG9e/TNBhn1B3kL1cVIfxiznQimAHi8W3fXPkyKFhSbv80fkikaPbJ8VqsDdlgdD6gJz42oEaZqCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"efca098521524ffbf75a82f8c69821b89802104e0a3c7cfc64e52737b6e7ae82","last_reissued_at":"2026-05-18T00:49:10.301127Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:49:10.301127Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An analytical model of crater count equilibrium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Caleb I. Fassett, David A. Minton, Masatoshi Hirabayashi","submitted_at":"2017-01-02T18:07:34Z","abstract_excerpt":"Crater count equilibrium occurs when new craters form at the same rate that old craters are erased, such that the total number of observable impacts remains constant. Despite substantial efforts to understand this process, there remain many unsolved problems. Here, we propose an analytical model that describes how a heavily cratered surface reaches a state of crater count equilibrium. The proposed model formulates three physical processes contributing to crater count equilibrium: cookie-cutting (simple, geometric overlap), ejecta-blanketing, and sandblasting (diffusive erosion). These three pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.00471","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":"1701.00471","created_at":"2026-05-18T00:49:10.301236+00:00"},{"alias_kind":"arxiv_version","alias_value":"1701.00471v1","created_at":"2026-05-18T00:49:10.301236+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.00471","created_at":"2026-05-18T00:49:10.301236+00:00"},{"alias_kind":"pith_short_12","alias_value":"57FATBJBKJH7","created_at":"2026-05-18T12:31:00.734936+00:00"},{"alias_kind":"pith_short_16","alias_value":"57FATBJBKJH7X522","created_at":"2026-05-18T12:31:00.734936+00:00"},{"alias_kind":"pith_short_8","alias_value":"57FATBJB","created_at":"2026-05-18T12:31:00.734936+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/57FATBJBKJH7X522QL4MNGBBXC","json":"https://pith.science/pith/57FATBJBKJH7X522QL4MNGBBXC.json","graph_json":"https://pith.science/api/pith-number/57FATBJBKJH7X522QL4MNGBBXC/graph.json","events_json":"https://pith.science/api/pith-number/57FATBJBKJH7X522QL4MNGBBXC/events.json","paper":"https://pith.science/paper/57FATBJB"},"agent_actions":{"view_html":"https://pith.science/pith/57FATBJBKJH7X522QL4MNGBBXC","download_json":"https://pith.science/pith/57FATBJBKJH7X522QL4MNGBBXC.json","view_paper":"https://pith.science/paper/57FATBJB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1701.00471&json=true","fetch_graph":"https://pith.science/api/pith-number/57FATBJBKJH7X522QL4MNGBBXC/graph.json","fetch_events":"https://pith.science/api/pith-number/57FATBJBKJH7X522QL4MNGBBXC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/57FATBJBKJH7X522QL4MNGBBXC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/57FATBJBKJH7X522QL4MNGBBXC/action/storage_attestation","attest_author":"https://pith.science/pith/57FATBJBKJH7X522QL4MNGBBXC/action/author_attestation","sign_citation":"https://pith.science/pith/57FATBJBKJH7X522QL4MNGBBXC/action/citation_signature","submit_replication":"https://pith.science/pith/57FATBJBKJH7X522QL4MNGBBXC/action/replication_record"}},"created_at":"2026-05-18T00:49:10.301236+00:00","updated_at":"2026-05-18T00:49:10.301236+00:00"}