{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:OVPOSAYFUDFVK2Q3LCKBXCLYNT","short_pith_number":"pith:OVPOSAYF","schema_version":"1.0","canonical_sha256":"755ee90305a0cb556a1b58941b89786cefff5b9937f0b409909c69510a836d56","source":{"kind":"arxiv","id":"math/0005075","version":2},"attestation_state":"computed","paper":{"title":"Logarithmic deformations of normal crossing Enriques surfaces in characteristic two","license":"","headline":"","cross_cats":[],"primary_cat":"math.AG","authors_text":"Stefan Schroeer","submitted_at":"2000-05-08T12:50:42Z","abstract_excerpt":"Working in characteristic two, I classify nonsmooth Enriques surfaces with normal crossing singularities. Using Kato's theory of logarithmic structures, I show that such surfaces are smoothable and lift to characteristic zero, provided they are d-semistable."},"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":"math/0005075","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"math.AG","submitted_at":"2000-05-08T12:50:42Z","cross_cats_sorted":[],"title_canon_sha256":"611e0db5e9e71578a68c0a2df020cd9ffbc668256cc09db2315caa210e85c932","abstract_canon_sha256":"7d212949d4af536e85e36c20921c587aa377515dea2a25c75b77c1c5c4782fd8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:30.263029Z","signature_b64":"fMsStdoBDfqMJxkqnGr/b+MoQ1DFeA50SZVbTlVMm0hSJ9dxxyyLJY/Sg5gBkpvGQJi/FduWcvB5Ga3O1KtnCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"755ee90305a0cb556a1b58941b89786cefff5b9937f0b409909c69510a836d56","last_reissued_at":"2026-05-18T01:38:30.262451Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:30.262451Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Logarithmic deformations of normal crossing Enriques surfaces in characteristic two","license":"","headline":"","cross_cats":[],"primary_cat":"math.AG","authors_text":"Stefan Schroeer","submitted_at":"2000-05-08T12:50:42Z","abstract_excerpt":"Working in characteristic two, I classify nonsmooth Enriques surfaces with normal crossing singularities. Using Kato's theory of logarithmic structures, I show that such surfaces are smoothable and lift to characteristic zero, provided they are d-semistable."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"math/0005075","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":"math/0005075","created_at":"2026-05-18T01:38:30.262540+00:00"},{"alias_kind":"arxiv_version","alias_value":"math/0005075v2","created_at":"2026-05-18T01:38:30.262540+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.math/0005075","created_at":"2026-05-18T01:38:30.262540+00:00"},{"alias_kind":"pith_short_12","alias_value":"OVPOSAYFUDFV","created_at":"2026-05-18T12:25:50.254431+00:00"},{"alias_kind":"pith_short_16","alias_value":"OVPOSAYFUDFVK2Q3","created_at":"2026-05-18T12:25:50.254431+00:00"},{"alias_kind":"pith_short_8","alias_value":"OVPOSAYF","created_at":"2026-05-18T12:25:50.254431+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/OVPOSAYFUDFVK2Q3LCKBXCLYNT","json":"https://pith.science/pith/OVPOSAYFUDFVK2Q3LCKBXCLYNT.json","graph_json":"https://pith.science/api/pith-number/OVPOSAYFUDFVK2Q3LCKBXCLYNT/graph.json","events_json":"https://pith.science/api/pith-number/OVPOSAYFUDFVK2Q3LCKBXCLYNT/events.json","paper":"https://pith.science/paper/OVPOSAYF"},"agent_actions":{"view_html":"https://pith.science/pith/OVPOSAYFUDFVK2Q3LCKBXCLYNT","download_json":"https://pith.science/pith/OVPOSAYFUDFVK2Q3LCKBXCLYNT.json","view_paper":"https://pith.science/paper/OVPOSAYF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=math/0005075&json=true","fetch_graph":"https://pith.science/api/pith-number/OVPOSAYFUDFVK2Q3LCKBXCLYNT/graph.json","fetch_events":"https://pith.science/api/pith-number/OVPOSAYFUDFVK2Q3LCKBXCLYNT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OVPOSAYFUDFVK2Q3LCKBXCLYNT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OVPOSAYFUDFVK2Q3LCKBXCLYNT/action/storage_attestation","attest_author":"https://pith.science/pith/OVPOSAYFUDFVK2Q3LCKBXCLYNT/action/author_attestation","sign_citation":"https://pith.science/pith/OVPOSAYFUDFVK2Q3LCKBXCLYNT/action/citation_signature","submit_replication":"https://pith.science/pith/OVPOSAYFUDFVK2Q3LCKBXCLYNT/action/replication_record"}},"created_at":"2026-05-18T01:38:30.262540+00:00","updated_at":"2026-05-18T01:38:30.262540+00:00"}