{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:FD5FIJMJXXL5ZGRDDIDZLPP3SX","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":"c3e51ab7b53653adb91418867ffe9ad810f275a72dc679d9cbfc8d45c836de9d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2025-08-05T16:27:26Z","title_canon_sha256":"c773311a2c6f1e9bd2fe7c06ebe40a11134e27e2c89fb00b4e9a369cd8439a38"},"schema_version":"1.0","source":{"id":"2508.03612","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.03612","created_at":"2026-07-05T11:48:59Z"},{"alias_kind":"arxiv_version","alias_value":"2508.03612v1","created_at":"2026-07-05T11:48:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.03612","created_at":"2026-07-05T11:48:59Z"},{"alias_kind":"pith_short_12","alias_value":"FD5FIJMJXXL5","created_at":"2026-07-05T11:48:59Z"},{"alias_kind":"pith_short_16","alias_value":"FD5FIJMJXXL5ZGRD","created_at":"2026-07-05T11:48:59Z"},{"alias_kind":"pith_short_8","alias_value":"FD5FIJMJ","created_at":"2026-07-05T11:48:59Z"}],"graph_snapshots":[{"event_id":"sha256:feae5bf8561a394067ad87cc94bcac5eb1e0e41a3b2876738e591e5321071fd8","target":"graph","created_at":"2026-07-05T11:48:59Z","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/2508.03612/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Given a $K3$ surface, a supersymmetric non-linear K3 sigma model is the internal superconformal field theory (SCFT) in a six dimensional compactification of type IIA superstring on $\\mathbb{R}^{1,5} \\times K3$. These models have attracted attention due to the discovery of Mathieu moonshine phenomena for the elliptic genera of K3 surfaces, and have played a pivotal role in extending Mukai's theorem on classification of symplectic automorphisms of $K3$ surfaces. We report on recent progress (arXiv:2402.08719 [hep-th]) in characterizing topological defects in $K3$ models, generalizing the notion ","authors_text":"Roberta Angius, Stefano Giaccari","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2025-08-05T16:27:26Z","title":"Towards a classification of topological defects in $K3$ sigma models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.03612","kind":"arxiv","version":1},"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":"sha256:29d17d0bd8281e46445f9b8fcc35879921298d4c552a4a040f1ef717054364bd","target":"record","created_at":"2026-07-05T11:48:59Z","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":"c3e51ab7b53653adb91418867ffe9ad810f275a72dc679d9cbfc8d45c836de9d","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2025-08-05T16:27:26Z","title_canon_sha256":"c773311a2c6f1e9bd2fe7c06ebe40a11134e27e2c89fb00b4e9a369cd8439a38"},"schema_version":"1.0","source":{"id":"2508.03612","kind":"arxiv","version":1}},"canonical_sha256":"28fa542589bdd7dc9a231a0795bdfb95d29f67b3cf158c0ac3d95c8ed596fc6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"28fa542589bdd7dc9a231a0795bdfb95d29f67b3cf158c0ac3d95c8ed596fc6e","first_computed_at":"2026-07-05T11:48:59.831159Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:48:59.831159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GS/EWcALA7x5NeM2fZXGs77mMgVRLi+MGYSVFW35DTbnItCv3Sv8q9GU+/rsw5iXOE9Rjk5c5H2x0EanwKxACQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:48:59.831690Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.03612","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:29d17d0bd8281e46445f9b8fcc35879921298d4c552a4a040f1ef717054364bd","sha256:feae5bf8561a394067ad87cc94bcac5eb1e0e41a3b2876738e591e5321071fd8"],"state_sha256":"454d58a585de4379b525220ab7aae9b45e0ffc71e361a53ef399dd8b4b2fab72"}