{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2001:UNNQ3XAOMFB74HC7CU5WGYO6WY","short_pith_number":"pith:UNNQ3XAO","canonical_record":{"source":{"id":"hep-th/0111179","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2001-11-21T16:14:35Z","cross_cats_sorted":[],"title_canon_sha256":"d30b4d482a0c1910799f3bd76ddfd3cc51e89088e019412d57d97d61e3bfa3b9","abstract_canon_sha256":"a233591dec5c7a1793acf057c217e93267ab74a52acbd6e04574f78bf9468dd1"},"schema_version":"1.0"},"canonical_sha256":"a35b0ddc0e6143fe1c5f153b6361deb61404e0ff91c2b039dc4d52b0d89dbb8f","source":{"kind":"arxiv","id":"hep-th/0111179","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0111179","created_at":"2026-05-18T00:37:10Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0111179v1","created_at":"2026-05-18T00:37:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0111179","created_at":"2026-05-18T00:37:10Z"},{"alias_kind":"pith_short_12","alias_value":"UNNQ3XAOMFB7","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"UNNQ3XAOMFB74HC7","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"UNNQ3XAO","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2001:UNNQ3XAOMFB74HC7CU5WGYO6WY","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/0111179","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2001-11-21T16:14:35Z","cross_cats_sorted":[],"title_canon_sha256":"d30b4d482a0c1910799f3bd76ddfd3cc51e89088e019412d57d97d61e3bfa3b9","abstract_canon_sha256":"a233591dec5c7a1793acf057c217e93267ab74a52acbd6e04574f78bf9468dd1"},"schema_version":"1.0"},"canonical_sha256":"a35b0ddc0e6143fe1c5f153b6361deb61404e0ff91c2b039dc4d52b0d89dbb8f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:37:10.490347Z","signature_b64":"977+ullrWo75ShBRgF3Vp0RtV3bqcqRqMvtOzkI2f0DCxnDOajlrYS85odei6anWe5nuAOE/W6rL8Ot8gGj1CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a35b0ddc0e6143fe1c5f153b6361deb61404e0ff91c2b039dc4d52b0d89dbb8f","last_reissued_at":"2026-05-18T00:37:10.489851Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:37:10.489851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/0111179","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:37:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VuU5VXJ9s0y9Ufgv99ClhTcnhhVvLulEzCdUAjmm45R9q8nWyXU39wXtIuClOr2TdJRNDI1kS3GyEG1xtGNEAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:51:19.970256Z"},"content_sha256":"38a3bc41ad223da855eb467711ec533d66390f103b3cd23bf391e66673e13168","schema_version":"1.0","event_id":"sha256:38a3bc41ad223da855eb467711ec533d66390f103b3cd23bf391e66673e13168"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2001:UNNQ3XAOMFB74HC7CU5WGYO6WY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chiral Type II Orientifold Constructions as M Theory on G_2 holonomy spaces","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Angel M. Uranga, Gary Shiu, Mirjam Cvetic","submitted_at":"2001-11-21T16:14:35Z","abstract_excerpt":"We summarize some recent progress in constructing four-dimensional supersymmetric chiral models from Type II orientifolds. We present the construction a supersymmetric Standard-like Model and a supersymmetric GUT model to illustrate the new features of this approach and its connection to M theory on compact, singular G_2 holonomy spaces. The Standard-like model presented is the first example of a three-family supersymmetic orientifold model with the Standard Model as part of the gauge structure. We also discuss the connection of how chiral fermions arise in this class of models with recent res"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0111179","kind":"arxiv","version":1},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:37:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UWaZNHYBT4XGWzNp3rY2eT/HC9YV+PpoRWJVaVicByDv8NBdncw/gAbDC4q70LkUBOP5uTxmX2LNq64u5ALgBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:51:19.970645Z"},"content_sha256":"d9a8d6971a972e1a62cedd4da5f1d74bc9ab7cd3c8516e2c5f82148ae8bc2fc0","schema_version":"1.0","event_id":"sha256:d9a8d6971a972e1a62cedd4da5f1d74bc9ab7cd3c8516e2c5f82148ae8bc2fc0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UNNQ3XAOMFB74HC7CU5WGYO6WY/bundle.json","state_url":"https://pith.science/pith/UNNQ3XAOMFB74HC7CU5WGYO6WY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UNNQ3XAOMFB74HC7CU5WGYO6WY/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":"2026-05-28T10:51:19Z","links":{"resolver":"https://pith.science/pith/UNNQ3XAOMFB74HC7CU5WGYO6WY","bundle":"https://pith.science/pith/UNNQ3XAOMFB74HC7CU5WGYO6WY/bundle.json","state":"https://pith.science/pith/UNNQ3XAOMFB74HC7CU5WGYO6WY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UNNQ3XAOMFB74HC7CU5WGYO6WY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:UNNQ3XAOMFB74HC7CU5WGYO6WY","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":"a233591dec5c7a1793acf057c217e93267ab74a52acbd6e04574f78bf9468dd1","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2001-11-21T16:14:35Z","title_canon_sha256":"d30b4d482a0c1910799f3bd76ddfd3cc51e89088e019412d57d97d61e3bfa3b9"},"schema_version":"1.0","source":{"id":"hep-th/0111179","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0111179","created_at":"2026-05-18T00:37:10Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0111179v1","created_at":"2026-05-18T00:37:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0111179","created_at":"2026-05-18T00:37:10Z"},{"alias_kind":"pith_short_12","alias_value":"UNNQ3XAOMFB7","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"UNNQ3XAOMFB74HC7","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"UNNQ3XAO","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:d9a8d6971a972e1a62cedd4da5f1d74bc9ab7cd3c8516e2c5f82148ae8bc2fc0","target":"graph","created_at":"2026-05-18T00:37:10Z","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"},"paper":{"abstract_excerpt":"We summarize some recent progress in constructing four-dimensional supersymmetric chiral models from Type II orientifolds. We present the construction a supersymmetric Standard-like Model and a supersymmetric GUT model to illustrate the new features of this approach and its connection to M theory on compact, singular G_2 holonomy spaces. The Standard-like model presented is the first example of a three-family supersymmetic orientifold model with the Standard Model as part of the gauge structure. We also discuss the connection of how chiral fermions arise in this class of models with recent res","authors_text":"Angel M. Uranga, Gary Shiu, Mirjam Cvetic","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2001-11-21T16:14:35Z","title":"Chiral Type II Orientifold Constructions as M Theory on G_2 holonomy spaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0111179","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":"sha256:38a3bc41ad223da855eb467711ec533d66390f103b3cd23bf391e66673e13168","target":"record","created_at":"2026-05-18T00:37:10Z","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":"a233591dec5c7a1793acf057c217e93267ab74a52acbd6e04574f78bf9468dd1","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2001-11-21T16:14:35Z","title_canon_sha256":"d30b4d482a0c1910799f3bd76ddfd3cc51e89088e019412d57d97d61e3bfa3b9"},"schema_version":"1.0","source":{"id":"hep-th/0111179","kind":"arxiv","version":1}},"canonical_sha256":"a35b0ddc0e6143fe1c5f153b6361deb61404e0ff91c2b039dc4d52b0d89dbb8f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a35b0ddc0e6143fe1c5f153b6361deb61404e0ff91c2b039dc4d52b0d89dbb8f","first_computed_at":"2026-05-18T00:37:10.489851Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:10.489851Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"977+ullrWo75ShBRgF3Vp0RtV3bqcqRqMvtOzkI2f0DCxnDOajlrYS85odei6anWe5nuAOE/W6rL8Ot8gGj1CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:10.490347Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0111179","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:38a3bc41ad223da855eb467711ec533d66390f103b3cd23bf391e66673e13168","sha256:d9a8d6971a972e1a62cedd4da5f1d74bc9ab7cd3c8516e2c5f82148ae8bc2fc0"],"state_sha256":"66e080abd76e143f8196b1162818161305da3463d9287e582dddd3076adc0f5d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vSRRJc2TFYxG+dxq9XEy5T5BuhFXAQxS+hCOaZ42K0DnEfbS0kvxs6B5/+q9ljxpK03nO8Ep/1p1Y5eMeuIsDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:51:19.972543Z","bundle_sha256":"6f57e148b9e2d698f4e9ee4e563f4706feed94beb1df9b94ef5c19c35df582a0"}}