{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:PPDAFX4EZMDQRUANGAJGXLTCPE","short_pith_number":"pith:PPDAFX4E","canonical_record":{"source":{"id":"hep-ph/0003208","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2000-03-21T17:28:18Z","cross_cats_sorted":[],"title_canon_sha256":"58e6779741aff4f827119b70205a381a517340a388ca3aeea2462d7673c5baec","abstract_canon_sha256":"1aab64888666cf4b2e686c4fb335eaf70c9c5382771d721728c0da15ec63c747"},"schema_version":"1.0"},"canonical_sha256":"7bc602df84cb0708d00d30126bae62790e49157573b7f7d9b15ffbaa9255b0d3","source":{"kind":"arxiv","id":"hep-ph/0003208","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0003208","created_at":"2026-05-18T01:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0003208v1","created_at":"2026-05-18T01:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0003208","created_at":"2026-05-18T01:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"PPDAFX4EZMDQ","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"PPDAFX4EZMDQRUAN","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"PPDAFX4E","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:PPDAFX4EZMDQRUANGAJGXLTCPE","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/0003208","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"2000-03-21T17:28:18Z","cross_cats_sorted":[],"title_canon_sha256":"58e6779741aff4f827119b70205a381a517340a388ca3aeea2462d7673c5baec","abstract_canon_sha256":"1aab64888666cf4b2e686c4fb335eaf70c9c5382771d721728c0da15ec63c747"},"schema_version":"1.0"},"canonical_sha256":"7bc602df84cb0708d00d30126bae62790e49157573b7f7d9b15ffbaa9255b0d3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:00:26.930178Z","signature_b64":"PmMLDz11HlWDj6Q9WBIyGWhX2ka9PjoJBBRuOyC5OBXBqmnGi2NEH/zexnuPTIu929WhXZNQbpeXjUZjB+c7Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7bc602df84cb0708d00d30126bae62790e49157573b7f7d9b15ffbaa9255b0d3","last_reissued_at":"2026-05-18T01:00:26.929671Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:00:26.929671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/0003208","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":"2026-05-18T01:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VBmJvUvEIPWzNrX9tKxmgTCFdxqR/779AgqrX4fAyxDht8L957ekv0RVdEJ8aJV4/b7cMltAwIBIEFvG5vgrDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T21:31:26.842991Z"},"content_sha256":"aef107533a5c37ceee7d88bd265927755b150c4bb2060ba0527b15af95d447b4","schema_version":"1.0","event_id":"sha256:aef107533a5c37ceee7d88bd265927755b150c4bb2060ba0527b15af95d447b4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:PPDAFX4EZMDQRUANGAJGXLTCPE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phenomenological Survey of a Minimal Superstring Standard Model","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Gerald Cleaver","submitted_at":"2000-03-21T17:28:18Z","abstract_excerpt":"We discuss a heterotic-string solution in which the observable sector effective field theory just below the string scale reduces to that of the MSSM, with the standard observable gauge group being just SU(3)_C x SU(2)_L x U(1)_Y and the SU(3)_C x SU(2)_L x U(1)_Y-charged spectrum of the observable sector consisting solely of the MSSM spectrum. Associated with this model is a set of distinct flat directions of vacuum expectation values (VEVs) of fields that all produce solely the MSSM spectrum. Some of these directions only involve VEVs of non-Abelian singlet fields while others also contain VE"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0003208","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":"2026-05-18T01:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pBNSJ959uWHHcnFoFi7WFI7bwpDrX0v96g2YIHpOD63GfVzQCr8x7dR6DHU3G1bjfFbXXZBAF+2wJ3A1MxbnCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T21:31:26.843349Z"},"content_sha256":"b3eef6ea797aac2feaa7badf40427086ea8f93daac77d26f6e424f6928b2d325","schema_version":"1.0","event_id":"sha256:b3eef6ea797aac2feaa7badf40427086ea8f93daac77d26f6e424f6928b2d325"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PPDAFX4EZMDQRUANGAJGXLTCPE/bundle.json","state_url":"https://pith.science/pith/PPDAFX4EZMDQRUANGAJGXLTCPE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PPDAFX4EZMDQRUANGAJGXLTCPE/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":"2026-06-06T21:31:26Z","links":{"resolver":"https://pith.science/pith/PPDAFX4EZMDQRUANGAJGXLTCPE","bundle":"https://pith.science/pith/PPDAFX4EZMDQRUANGAJGXLTCPE/bundle.json","state":"https://pith.science/pith/PPDAFX4EZMDQRUANGAJGXLTCPE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PPDAFX4EZMDQRUANGAJGXLTCPE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:PPDAFX4EZMDQRUANGAJGXLTCPE","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":"1aab64888666cf4b2e686c4fb335eaf70c9c5382771d721728c0da15ec63c747","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2000-03-21T17:28:18Z","title_canon_sha256":"58e6779741aff4f827119b70205a381a517340a388ca3aeea2462d7673c5baec"},"schema_version":"1.0","source":{"id":"hep-ph/0003208","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/0003208","created_at":"2026-05-18T01:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/0003208v1","created_at":"2026-05-18T01:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/0003208","created_at":"2026-05-18T01:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"PPDAFX4EZMDQ","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"PPDAFX4EZMDQRUAN","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"PPDAFX4E","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:b3eef6ea797aac2feaa7badf40427086ea8f93daac77d26f6e424f6928b2d325","target":"graph","created_at":"2026-05-18T01:00:26Z","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 discuss a heterotic-string solution in which the observable sector effective field theory just below the string scale reduces to that of the MSSM, with the standard observable gauge group being just SU(3)_C x SU(2)_L x U(1)_Y and the SU(3)_C x SU(2)_L x U(1)_Y-charged spectrum of the observable sector consisting solely of the MSSM spectrum. Associated with this model is a set of distinct flat directions of vacuum expectation values (VEVs) of fields that all produce solely the MSSM spectrum. Some of these directions only involve VEVs of non-Abelian singlet fields while others also contain VE","authors_text":"Gerald Cleaver","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"2000-03-21T17:28:18Z","title":"Phenomenological Survey of a Minimal Superstring Standard Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/0003208","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:aef107533a5c37ceee7d88bd265927755b150c4bb2060ba0527b15af95d447b4","target":"record","created_at":"2026-05-18T01:00:26Z","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":"1aab64888666cf4b2e686c4fb335eaf70c9c5382771d721728c0da15ec63c747","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"2000-03-21T17:28:18Z","title_canon_sha256":"58e6779741aff4f827119b70205a381a517340a388ca3aeea2462d7673c5baec"},"schema_version":"1.0","source":{"id":"hep-ph/0003208","kind":"arxiv","version":1}},"canonical_sha256":"7bc602df84cb0708d00d30126bae62790e49157573b7f7d9b15ffbaa9255b0d3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7bc602df84cb0708d00d30126bae62790e49157573b7f7d9b15ffbaa9255b0d3","first_computed_at":"2026-05-18T01:00:26.929671Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:00:26.929671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PmMLDz11HlWDj6Q9WBIyGWhX2ka9PjoJBBRuOyC5OBXBqmnGi2NEH/zexnuPTIu929WhXZNQbpeXjUZjB+c7Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:00:26.930178Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/0003208","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aef107533a5c37ceee7d88bd265927755b150c4bb2060ba0527b15af95d447b4","sha256:b3eef6ea797aac2feaa7badf40427086ea8f93daac77d26f6e424f6928b2d325"],"state_sha256":"a9d4ea9b8f27575f7fd3c104d0f7a72814e016b0d42dc08e944d20d03aae26d0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SRzvu6/Pqr8dLbVpkG4zuWQX8CvT1/jonuqWt8IeKJnRweHhIg3HzsWDgCM6njVOGeZdaiO2k25zpX61WGMuAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T21:31:26.845453Z","bundle_sha256":"9fe976bbc29bffcbc808d04e6461fa9ffce738d986a7610d72130e57f94a2623"}}