{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:745I6KCJYM7ZXYLBDNG5QENNG3","short_pith_number":"pith:745I6KCJ","canonical_record":{"source":{"id":"2309.11397","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2023-09-20T15:23:28Z","cross_cats_sorted":[],"title_canon_sha256":"2891f6d367b14912a3c1aefa508becdefe76d1269b28a8bc9b69a2eca578d76d","abstract_canon_sha256":"a96ced5b3ae2141fc13638a655baf39ef98cb429d42c2d1d5b079f52cf12f571"},"schema_version":"1.0"},"canonical_sha256":"ff3a8f2849c33f9be1611b4dd811ad36e9bab8fd91c630cd4ef2b3d95e04cfe9","source":{"kind":"arxiv","id":"2309.11397","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.11397","created_at":"2026-07-05T11:02:58Z"},{"alias_kind":"arxiv_version","alias_value":"2309.11397v2","created_at":"2026-07-05T11:02:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.11397","created_at":"2026-07-05T11:02:58Z"},{"alias_kind":"pith_short_12","alias_value":"745I6KCJYM7Z","created_at":"2026-07-05T11:02:58Z"},{"alias_kind":"pith_short_16","alias_value":"745I6KCJYM7ZXYLB","created_at":"2026-07-05T11:02:58Z"},{"alias_kind":"pith_short_8","alias_value":"745I6KCJ","created_at":"2026-07-05T11:02:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:745I6KCJYM7ZXYLBDNG5QENNG3","target":"record","payload":{"canonical_record":{"source":{"id":"2309.11397","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2023-09-20T15:23:28Z","cross_cats_sorted":[],"title_canon_sha256":"2891f6d367b14912a3c1aefa508becdefe76d1269b28a8bc9b69a2eca578d76d","abstract_canon_sha256":"a96ced5b3ae2141fc13638a655baf39ef98cb429d42c2d1d5b079f52cf12f571"},"schema_version":"1.0"},"canonical_sha256":"ff3a8f2849c33f9be1611b4dd811ad36e9bab8fd91c630cd4ef2b3d95e04cfe9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:02:58.431062Z","signature_b64":"p9aiFjPQzr3j8m7oebf7I99WlqZruIWyoBoBgDz1jYwFDsvwyQM72Wtl1yr2rD1mdJfWYl9QXd1rPQj+3gU1DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ff3a8f2849c33f9be1611b4dd811ad36e9bab8fd91c630cd4ef2b3d95e04cfe9","last_reissued_at":"2026-07-05T11:02:58.430556Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:02:58.430556Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.11397","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:02:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nEBf2oNwvXYipUrCkypmP/fpZXs+/BR0dCtbUjlg2AefqtPsso1cQnfG6S+E2Kqtvk7QdIIQkIYHhNXGmfcJDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T09:48:07.591153Z"},"content_sha256":"ebf3621fcd7490a3986d6f7af6c2368e50d0307ed29b8266a7d4b103dd15c977","schema_version":"1.0","event_id":"sha256:ebf3621fcd7490a3986d6f7af6c2368e50d0307ed29b8266a7d4b103dd15c977"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:745I6KCJYM7ZXYLBDNG5QENNG3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Explicit KSBA compactifications of moduli spaces of secondary and tertiary Burniat surfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.AG","authors_text":"Valery Alexeev, Xiaoyan Hu","submitted_at":"2023-09-20T15:23:28Z","abstract_excerpt":"We describe explicitly the geometric KSBA compactifications, obtained by adding slc surfaces~$X$ with ample canonical class, of moduli spaces of Burniat surfaces of degrees $K^2=5$, $4$ and $3$."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.11397","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2309.11397/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:02:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A8kV9HHK8vMwwOXDazEboFf3KjnZlZzAAe7PSPix3uQGwk2sqLWQx5C83KtE2QqReNMFS5xLYNoktqc8Wu27Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T09:48:07.591662Z"},"content_sha256":"aeacf88e93db30e87573d6f36f5f03c16b7fb5ade441f21f754bed88f0caeb2a","schema_version":"1.0","event_id":"sha256:aeacf88e93db30e87573d6f36f5f03c16b7fb5ade441f21f754bed88f0caeb2a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/745I6KCJYM7ZXYLBDNG5QENNG3/bundle.json","state_url":"https://pith.science/pith/745I6KCJYM7ZXYLBDNG5QENNG3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/745I6KCJYM7ZXYLBDNG5QENNG3/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-11T09:48:07Z","links":{"resolver":"https://pith.science/pith/745I6KCJYM7ZXYLBDNG5QENNG3","bundle":"https://pith.science/pith/745I6KCJYM7ZXYLBDNG5QENNG3/bundle.json","state":"https://pith.science/pith/745I6KCJYM7ZXYLBDNG5QENNG3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/745I6KCJYM7ZXYLBDNG5QENNG3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:745I6KCJYM7ZXYLBDNG5QENNG3","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a96ced5b3ae2141fc13638a655baf39ef98cb429d42c2d1d5b079f52cf12f571","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2023-09-20T15:23:28Z","title_canon_sha256":"2891f6d367b14912a3c1aefa508becdefe76d1269b28a8bc9b69a2eca578d76d"},"schema_version":"1.0","source":{"id":"2309.11397","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.11397","created_at":"2026-07-05T11:02:58Z"},{"alias_kind":"arxiv_version","alias_value":"2309.11397v2","created_at":"2026-07-05T11:02:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.11397","created_at":"2026-07-05T11:02:58Z"},{"alias_kind":"pith_short_12","alias_value":"745I6KCJYM7Z","created_at":"2026-07-05T11:02:58Z"},{"alias_kind":"pith_short_16","alias_value":"745I6KCJYM7ZXYLB","created_at":"2026-07-05T11:02:58Z"},{"alias_kind":"pith_short_8","alias_value":"745I6KCJ","created_at":"2026-07-05T11:02:58Z"}],"graph_snapshots":[{"event_id":"sha256:aeacf88e93db30e87573d6f36f5f03c16b7fb5ade441f21f754bed88f0caeb2a","target":"graph","created_at":"2026-07-05T11:02:58Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2309.11397/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We describe explicitly the geometric KSBA compactifications, obtained by adding slc surfaces~$X$ with ample canonical class, of moduli spaces of Burniat surfaces of degrees $K^2=5$, $4$ and $3$.","authors_text":"Valery Alexeev, Xiaoyan Hu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2023-09-20T15:23:28Z","title":"Explicit KSBA compactifications of moduli spaces of secondary and tertiary Burniat surfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.11397","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:ebf3621fcd7490a3986d6f7af6c2368e50d0307ed29b8266a7d4b103dd15c977","target":"record","created_at":"2026-07-05T11:02:58Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"a96ced5b3ae2141fc13638a655baf39ef98cb429d42c2d1d5b079f52cf12f571","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.AG","submitted_at":"2023-09-20T15:23:28Z","title_canon_sha256":"2891f6d367b14912a3c1aefa508becdefe76d1269b28a8bc9b69a2eca578d76d"},"schema_version":"1.0","source":{"id":"2309.11397","kind":"arxiv","version":2}},"canonical_sha256":"ff3a8f2849c33f9be1611b4dd811ad36e9bab8fd91c630cd4ef2b3d95e04cfe9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff3a8f2849c33f9be1611b4dd811ad36e9bab8fd91c630cd4ef2b3d95e04cfe9","first_computed_at":"2026-07-05T11:02:58.430556Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:02:58.430556Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"p9aiFjPQzr3j8m7oebf7I99WlqZruIWyoBoBgDz1jYwFDsvwyQM72Wtl1yr2rD1mdJfWYl9QXd1rPQj+3gU1DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:02:58.431062Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.11397","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ebf3621fcd7490a3986d6f7af6c2368e50d0307ed29b8266a7d4b103dd15c977","sha256:aeacf88e93db30e87573d6f36f5f03c16b7fb5ade441f21f754bed88f0caeb2a"],"state_sha256":"a7fa32b5c3e497358893f485e81f21490e5e2bec9dffec9b0dfad59545a30d83"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sBKJ9F2yawyGM0O4B0rAuMkYRvbNTEgXS6J2M8DOpBj9mn42xPwajxMIRliVdoNpLjqhD2Gmdb1PrzjsS5NHBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T09:48:07.595316Z","bundle_sha256":"4238621bbc40f4cc20a0921b226efb8c2f564531c7f3312c8493668383396af6"}}