{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:EGSMJBJFYWAYBUBJTKV5G5IAL7","short_pith_number":"pith:EGSMJBJF","schema_version":"1.0","canonical_sha256":"21a4c48525c58180d0299aabd375005ff21a8f157f77a84e8ab0d0c14ee8794b","source":{"kind":"arxiv","id":"1707.00734","version":2},"attestation_state":"computed","paper":{"title":"Constraints on cometary surface evolution derived from a statistical analysis of 67P's topography","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Gicquel, B. Davidsson, C. Barbieri, C. Feller, C. G\\\"uttler, C. Tubiana, D. de Niem, D. Koschny, E. Kuehrt, F. Marzari, F. Preusker, F. Scholten, G. Cremonese, G. Kovacs, G. Naletto, H. Rickman, H. Sierks, H. U. Keller, I. Bertini, I. Toth, J.-B. Vincent, J. Deller, J. J. Lopez Moreno, J. Knollenberg, J.-L. Bertaux, J.-R. Kramm, L. Jorda, L. M. Lara, L. Penasa, M. A. Barucci, M. De Cecco, M. F. A'Hearn, M. Fulle, M. Hofmann, M. K\\\"uppers, M. Lazzarin, M. Pajola, N. Oklay, N. Thomas, O. Groussin, P. Guti\\'errez-Marquez, P. J. Guti\\'errez, P. L. Lamy, R. Rodrigo, S. Boudreault, S. Debei, S.F. Hviid, S. Fornasier, S. Mottola, V. Da Deppo, W.-H. Ip, X. Hu, X. Shi, Z.-Y. Lin","submitted_at":"2017-07-03T19:19:32Z","abstract_excerpt":"We present a statistical analysis of the distribution of large scale topographic features on comet 67P/Churyumov-Gerasimenko. We observe that the cumulative cliff height distribution across the surface follows a power law with a slope equal to -1.69 +- 0.02. When this distribution is studied independently for each region, we find a good correlation between the slope of the power law and the orbital erosion rate of the surface. For instance, the northern hemisphere topography is dominated by structures on the 100~m scale while the southern hemisphere topography, illuminated at perihelion, is do"},"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":"1707.00734","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-07-03T19:19:32Z","cross_cats_sorted":[],"title_canon_sha256":"fe0546c82ab9182c6189eb28ddabb7470a9146c850230fbd21b68b6ca44ce898","abstract_canon_sha256":"ef1ba8b05c1372e79989ff272a197ca99ee5c6896e785e490a25d0c8df6d710d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:45.796263Z","signature_b64":"0BtOBhg4f5mIycQ/xnFqmpo1ilZnz0ZMUDTCPpauaLURw64/JKzWY+KX8rOYYDMvRm/cCbtr6SxKOWDFYHVZCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"21a4c48525c58180d0299aabd375005ff21a8f157f77a84e8ab0d0c14ee8794b","last_reissued_at":"2026-05-18T00:39:45.795690Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:45.795690Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraints on cometary surface evolution derived from a statistical analysis of 67P's topography","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"A. Gicquel, B. Davidsson, C. Barbieri, C. Feller, C. G\\\"uttler, C. Tubiana, D. de Niem, D. Koschny, E. Kuehrt, F. Marzari, F. Preusker, F. Scholten, G. Cremonese, G. Kovacs, G. Naletto, H. Rickman, H. Sierks, H. U. Keller, I. Bertini, I. Toth, J.-B. Vincent, J. Deller, J. J. Lopez Moreno, J. Knollenberg, J.-L. Bertaux, J.-R. Kramm, L. Jorda, L. M. Lara, L. Penasa, M. A. Barucci, M. De Cecco, M. F. A'Hearn, M. Fulle, M. Hofmann, M. K\\\"uppers, M. Lazzarin, M. Pajola, N. Oklay, N. Thomas, O. Groussin, P. Guti\\'errez-Marquez, P. J. Guti\\'errez, P. L. Lamy, R. Rodrigo, S. Boudreault, S. Debei, S.F. Hviid, S. Fornasier, S. Mottola, V. Da Deppo, W.-H. Ip, X. Hu, X. Shi, Z.-Y. Lin","submitted_at":"2017-07-03T19:19:32Z","abstract_excerpt":"We present a statistical analysis of the distribution of large scale topographic features on comet 67P/Churyumov-Gerasimenko. We observe that the cumulative cliff height distribution across the surface follows a power law with a slope equal to -1.69 +- 0.02. When this distribution is studied independently for each region, we find a good correlation between the slope of the power law and the orbital erosion rate of the surface. For instance, the northern hemisphere topography is dominated by structures on the 100~m scale while the southern hemisphere topography, illuminated at perihelion, is do"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.00734","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":"1707.00734","created_at":"2026-05-18T00:39:45.795776+00:00"},{"alias_kind":"arxiv_version","alias_value":"1707.00734v2","created_at":"2026-05-18T00:39:45.795776+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.00734","created_at":"2026-05-18T00:39:45.795776+00:00"},{"alias_kind":"pith_short_12","alias_value":"EGSMJBJFYWAY","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_16","alias_value":"EGSMJBJFYWAYBUBJ","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_8","alias_value":"EGSMJBJF","created_at":"2026-05-18T12:31:12.930513+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/EGSMJBJFYWAYBUBJTKV5G5IAL7","json":"https://pith.science/pith/EGSMJBJFYWAYBUBJTKV5G5IAL7.json","graph_json":"https://pith.science/api/pith-number/EGSMJBJFYWAYBUBJTKV5G5IAL7/graph.json","events_json":"https://pith.science/api/pith-number/EGSMJBJFYWAYBUBJTKV5G5IAL7/events.json","paper":"https://pith.science/paper/EGSMJBJF"},"agent_actions":{"view_html":"https://pith.science/pith/EGSMJBJFYWAYBUBJTKV5G5IAL7","download_json":"https://pith.science/pith/EGSMJBJFYWAYBUBJTKV5G5IAL7.json","view_paper":"https://pith.science/paper/EGSMJBJF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1707.00734&json=true","fetch_graph":"https://pith.science/api/pith-number/EGSMJBJFYWAYBUBJTKV5G5IAL7/graph.json","fetch_events":"https://pith.science/api/pith-number/EGSMJBJFYWAYBUBJTKV5G5IAL7/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EGSMJBJFYWAYBUBJTKV5G5IAL7/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EGSMJBJFYWAYBUBJTKV5G5IAL7/action/storage_attestation","attest_author":"https://pith.science/pith/EGSMJBJFYWAYBUBJTKV5G5IAL7/action/author_attestation","sign_citation":"https://pith.science/pith/EGSMJBJFYWAYBUBJTKV5G5IAL7/action/citation_signature","submit_replication":"https://pith.science/pith/EGSMJBJFYWAYBUBJTKV5G5IAL7/action/replication_record"}},"created_at":"2026-05-18T00:39:45.795776+00:00","updated_at":"2026-05-18T00:39:45.795776+00:00"}