{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:4WT2P2XLNJIDQF6NPEKVBVNH7K","short_pith_number":"pith:4WT2P2XL","canonical_record":{"source":{"id":"0709.1482","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2007-09-11T19:50:19Z","cross_cats_sorted":[],"title_canon_sha256":"512cd9f61ebfc7045e094e1f9b475e6150bc2376c08661ac937bfab0154e5568","abstract_canon_sha256":"a1cf3b063475b5c183f6531edf8178039b92ab12a6e7a67890910de37dc46e77"},"schema_version":"1.0"},"canonical_sha256":"e5a7a7eaeb6a503817cd791550d5a7fa96d09d6472c0603c57ff4d0d7ddda768","source":{"kind":"arxiv","id":"0709.1482","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0709.1482","created_at":"2026-07-04T15:43:37Z"},{"alias_kind":"arxiv_version","alias_value":"0709.1482v3","created_at":"2026-07-04T15:43:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0709.1482","created_at":"2026-07-04T15:43:37Z"},{"alias_kind":"pith_short_12","alias_value":"4WT2P2XLNJID","created_at":"2026-07-04T15:43:37Z"},{"alias_kind":"pith_short_16","alias_value":"4WT2P2XLNJIDQF6N","created_at":"2026-07-04T15:43:37Z"},{"alias_kind":"pith_short_8","alias_value":"4WT2P2XL","created_at":"2026-07-04T15:43:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:4WT2P2XLNJIDQF6NPEKVBVNH7K","target":"record","payload":{"canonical_record":{"source":{"id":"0709.1482","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2007-09-11T19:50:19Z","cross_cats_sorted":[],"title_canon_sha256":"512cd9f61ebfc7045e094e1f9b475e6150bc2376c08661ac937bfab0154e5568","abstract_canon_sha256":"a1cf3b063475b5c183f6531edf8178039b92ab12a6e7a67890910de37dc46e77"},"schema_version":"1.0"},"canonical_sha256":"e5a7a7eaeb6a503817cd791550d5a7fa96d09d6472c0603c57ff4d0d7ddda768","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:43:37.521872Z","signature_b64":"0qknxOyAJWLNHh7t6HO4+Sseg0kRxGL420lhJ+GYypZzGc6wS2R425Y/F0eHyCLQkw1IFWVeDm6R5F98z4PUDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5a7a7eaeb6a503817cd791550d5a7fa96d09d6472c0603c57ff4d0d7ddda768","last_reissued_at":"2026-07-04T15:43:37.521493Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:43:37.521493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0709.1482","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:43:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dv9CO/NBHsc2Ubu3668ILRCJrXrDTLGkkCD6w47l4f99Vq9N6JC9afDZVjIyaRRwOd3efZD3x0vwVRLdhzKUDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T10:17:18.698664Z"},"content_sha256":"709f11e3765dea04e631015ef65857727e977e86a7b46d273d04d92029b607cd","schema_version":"1.0","event_id":"sha256:709f11e3765dea04e631015ef65857727e977e86a7b46d273d04d92029b607cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:4WT2P2XLNJIDQF6NPEKVBVNH7K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Localized modes at a D-brane--O-plane intersection and heterotic Alice strings","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Andrew B. Royston, Jeffrey A. Harvey","submitted_at":"2007-09-11T19:50:19Z","abstract_excerpt":"We study a system of $N_c$ $D3$-branes intersecting $D7$-branes and $O7$-planes in 1+1-dimensions. We use anomaly cancellation and string dualities to argue that there must be chiral fermion zero-modes on the $D3$-branes which are localized near the $O7$-planes. Away from the orientifold limit we verify this by using index theory as well as explicit construction of the zero-modes. This system is related to F-theory on K3 and heterotic matrix string theory, and the heterotic strings are related to Alice string defects in $\\mathcal{N}=4$ Super-Yang-Mills. In the limit of large $N_c$ we find an $"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0709.1482","kind":"arxiv","version":3},"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/0709.1482/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":"2026-07-04T15:43:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dkdXbLp3QaxUi6tMbJYKwSSCbyrtL5DhdqhPjzB6Decd1XnSBPC7pIK1yx9U0ard4RzWusOrd9OfErLJTPV0CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T10:17:18.699419Z"},"content_sha256":"4cbf679f521e68fbd00b14e667450d9c92c8bdb5bd9eb80dfbffd9b2e7ce8e94","schema_version":"1.0","event_id":"sha256:4cbf679f521e68fbd00b14e667450d9c92c8bdb5bd9eb80dfbffd9b2e7ce8e94"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4WT2P2XLNJIDQF6NPEKVBVNH7K/bundle.json","state_url":"https://pith.science/pith/4WT2P2XLNJIDQF6NPEKVBVNH7K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4WT2P2XLNJIDQF6NPEKVBVNH7K/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":"2026-08-15T10:17:18Z","links":{"resolver":"https://pith.science/pith/4WT2P2XLNJIDQF6NPEKVBVNH7K","bundle":"https://pith.science/pith/4WT2P2XLNJIDQF6NPEKVBVNH7K/bundle.json","state":"https://pith.science/pith/4WT2P2XLNJIDQF6NPEKVBVNH7K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4WT2P2XLNJIDQF6NPEKVBVNH7K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:4WT2P2XLNJIDQF6NPEKVBVNH7K","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":"a1cf3b063475b5c183f6531edf8178039b92ab12a6e7a67890910de37dc46e77","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2007-09-11T19:50:19Z","title_canon_sha256":"512cd9f61ebfc7045e094e1f9b475e6150bc2376c08661ac937bfab0154e5568"},"schema_version":"1.0","source":{"id":"0709.1482","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0709.1482","created_at":"2026-07-04T15:43:37Z"},{"alias_kind":"arxiv_version","alias_value":"0709.1482v3","created_at":"2026-07-04T15:43:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0709.1482","created_at":"2026-07-04T15:43:37Z"},{"alias_kind":"pith_short_12","alias_value":"4WT2P2XLNJID","created_at":"2026-07-04T15:43:37Z"},{"alias_kind":"pith_short_16","alias_value":"4WT2P2XLNJIDQF6N","created_at":"2026-07-04T15:43:37Z"},{"alias_kind":"pith_short_8","alias_value":"4WT2P2XL","created_at":"2026-07-04T15:43:37Z"}],"graph_snapshots":[{"event_id":"sha256:4cbf679f521e68fbd00b14e667450d9c92c8bdb5bd9eb80dfbffd9b2e7ce8e94","target":"graph","created_at":"2026-07-04T15:43:37Z","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/0709.1482/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study a system of $N_c$ $D3$-branes intersecting $D7$-branes and $O7$-planes in 1+1-dimensions. We use anomaly cancellation and string dualities to argue that there must be chiral fermion zero-modes on the $D3$-branes which are localized near the $O7$-planes. Away from the orientifold limit we verify this by using index theory as well as explicit construction of the zero-modes. This system is related to F-theory on K3 and heterotic matrix string theory, and the heterotic strings are related to Alice string defects in $\\mathcal{N}=4$ Super-Yang-Mills. In the limit of large $N_c$ we find an $","authors_text":"Andrew B. Royston, Jeffrey A. Harvey","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2007-09-11T19:50:19Z","title":"Localized modes at a D-brane--O-plane intersection and heterotic Alice strings"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0709.1482","kind":"arxiv","version":3},"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":"sha256:709f11e3765dea04e631015ef65857727e977e86a7b46d273d04d92029b607cd","target":"record","created_at":"2026-07-04T15:43:37Z","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":"a1cf3b063475b5c183f6531edf8178039b92ab12a6e7a67890910de37dc46e77","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2007-09-11T19:50:19Z","title_canon_sha256":"512cd9f61ebfc7045e094e1f9b475e6150bc2376c08661ac937bfab0154e5568"},"schema_version":"1.0","source":{"id":"0709.1482","kind":"arxiv","version":3}},"canonical_sha256":"e5a7a7eaeb6a503817cd791550d5a7fa96d09d6472c0603c57ff4d0d7ddda768","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5a7a7eaeb6a503817cd791550d5a7fa96d09d6472c0603c57ff4d0d7ddda768","first_computed_at":"2026-07-04T15:43:37.521493Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:43:37.521493Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0qknxOyAJWLNHh7t6HO4+Sseg0kRxGL420lhJ+GYypZzGc6wS2R425Y/F0eHyCLQkw1IFWVeDm6R5F98z4PUDA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:43:37.521872Z","signed_message":"canonical_sha256_bytes"},"source_id":"0709.1482","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:709f11e3765dea04e631015ef65857727e977e86a7b46d273d04d92029b607cd","sha256:4cbf679f521e68fbd00b14e667450d9c92c8bdb5bd9eb80dfbffd9b2e7ce8e94"],"state_sha256":"9e307780f9bf4c19ede1b797cd03ae1cfe394ae7930d8fe0e0f2d000d000a9ee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3MJc9QucIX9AWyrXeLQlHcPeV8qXYi40oABXJ6TaKysIHCLHtaCAeHVx/r2VrzCsy/6oK4vtUuosyqfXdI6PDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T10:17:18.703525Z","bundle_sha256":"3a063ce8ce03a8697df9d9ba8cea8912a310840c8156d1060e6a88a3235de333"}}