{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:CGGUD3JT7GFVCHDZF2SC7E2XOM","short_pith_number":"pith:CGGUD3JT","canonical_record":{"source":{"id":"1401.7153","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-01-28T12:15:58Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"7883fa349303f30293db1e9ebb67ae8ce822155ac246da060474fd49b53a7988","abstract_canon_sha256":"10fcd6fbb852c1f602a5bdc7fccd3022d2fc37a13a80816a833c41b34b9d16f7"},"schema_version":"1.0"},"canonical_sha256":"118d41ed33f98b511c792ea42f9357732cebea717106ba6fa066ebe16a69504e","source":{"kind":"arxiv","id":"1401.7153","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.7153","created_at":"2026-05-18T02:50:59Z"},{"alias_kind":"arxiv_version","alias_value":"1401.7153v2","created_at":"2026-05-18T02:50:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.7153","created_at":"2026-05-18T02:50:59Z"},{"alias_kind":"pith_short_12","alias_value":"CGGUD3JT7GFV","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"CGGUD3JT7GFVCHDZ","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"CGGUD3JT","created_at":"2026-05-18T12:28:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:CGGUD3JT7GFVCHDZF2SC7E2XOM","target":"record","payload":{"canonical_record":{"source":{"id":"1401.7153","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-01-28T12:15:58Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"7883fa349303f30293db1e9ebb67ae8ce822155ac246da060474fd49b53a7988","abstract_canon_sha256":"10fcd6fbb852c1f602a5bdc7fccd3022d2fc37a13a80816a833c41b34b9d16f7"},"schema_version":"1.0"},"canonical_sha256":"118d41ed33f98b511c792ea42f9357732cebea717106ba6fa066ebe16a69504e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:50:59.502811Z","signature_b64":"x6gx1Sf5DW0JE1r2rju2yRmgKN5cNkpXSJo9BPSD9LiHiIipVF4p6aYEIrrvEJ8ETm3FKlVlgAeeE7ztqnrhAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"118d41ed33f98b511c792ea42f9357732cebea717106ba6fa066ebe16a69504e","last_reissued_at":"2026-05-18T02:50:59.502190Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:50:59.502190Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.7153","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":"2026-05-18T02:50:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ge0YqKdi28eUmoQSejwGjhZoek9tGk1RDR/S16SxnCZaMKpdB+lg7bMff2GDaX9EmUkFlPKDW2FoU7wk63VTBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:28:02.272432Z"},"content_sha256":"4a4c6b81ed3610bc29a1a185c8d50dae1e96f9919cd11e99e8752f9566251ab4","schema_version":"1.0","event_id":"sha256:4a4c6b81ed3610bc29a1a185c8d50dae1e96f9919cd11e99e8752f9566251ab4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:CGGUD3JT7GFVCHDZF2SC7E2XOM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Light Z' in Heterotic String Standard-like Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"hep-th","authors_text":"A.E. Faraggi, P. Athanasopoulos, V.M. Mehta","submitted_at":"2014-01-28T12:15:58Z","abstract_excerpt":"The discovery of the Higgs boson at the LHC supports the hypothesis that the Standard Model provides an effective parameterisation of all subatomic experimental data up to the Planck scale. String theory, which provides a viable perturbative approach to quantum gravity, requires for its consistency the existence of additional gauge symmetries beyond the Standard Model. The construction of heterotic--string models with a viable light $Z^\\prime$ is, however, highly constrained. We outline the construction of standard--like heterotic--string models that allow for an additional Abelian gauge symme"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.7153","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":""},"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":"2026-05-18T02:50:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"O3JxROmBX9r7zBcN6wVL3PGFDfV9AzzWNy/WTBC+dry7pKI0tgBd6KtUY35c83eQmwdyGWeTlXjKvDMiGkViDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T04:28:02.273000Z"},"content_sha256":"64c6b375b733b9b79e646bafe41222cece1e8b02aff65a0b6c7dcc29cd3122ad","schema_version":"1.0","event_id":"sha256:64c6b375b733b9b79e646bafe41222cece1e8b02aff65a0b6c7dcc29cd3122ad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CGGUD3JT7GFVCHDZF2SC7E2XOM/bundle.json","state_url":"https://pith.science/pith/CGGUD3JT7GFVCHDZF2SC7E2XOM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CGGUD3JT7GFVCHDZF2SC7E2XOM/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":"2026-06-01T04:28:02Z","links":{"resolver":"https://pith.science/pith/CGGUD3JT7GFVCHDZF2SC7E2XOM","bundle":"https://pith.science/pith/CGGUD3JT7GFVCHDZF2SC7E2XOM/bundle.json","state":"https://pith.science/pith/CGGUD3JT7GFVCHDZF2SC7E2XOM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CGGUD3JT7GFVCHDZF2SC7E2XOM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:CGGUD3JT7GFVCHDZF2SC7E2XOM","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":"10fcd6fbb852c1f602a5bdc7fccd3022d2fc37a13a80816a833c41b34b9d16f7","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-01-28T12:15:58Z","title_canon_sha256":"7883fa349303f30293db1e9ebb67ae8ce822155ac246da060474fd49b53a7988"},"schema_version":"1.0","source":{"id":"1401.7153","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.7153","created_at":"2026-05-18T02:50:59Z"},{"alias_kind":"arxiv_version","alias_value":"1401.7153v2","created_at":"2026-05-18T02:50:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.7153","created_at":"2026-05-18T02:50:59Z"},{"alias_kind":"pith_short_12","alias_value":"CGGUD3JT7GFV","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"CGGUD3JT7GFVCHDZ","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"CGGUD3JT","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:64c6b375b733b9b79e646bafe41222cece1e8b02aff65a0b6c7dcc29cd3122ad","target":"graph","created_at":"2026-05-18T02:50:59Z","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"},"paper":{"abstract_excerpt":"The discovery of the Higgs boson at the LHC supports the hypothesis that the Standard Model provides an effective parameterisation of all subatomic experimental data up to the Planck scale. String theory, which provides a viable perturbative approach to quantum gravity, requires for its consistency the existence of additional gauge symmetries beyond the Standard Model. The construction of heterotic--string models with a viable light $Z^\\prime$ is, however, highly constrained. We outline the construction of standard--like heterotic--string models that allow for an additional Abelian gauge symme","authors_text":"A.E. Faraggi, P. Athanasopoulos, V.M. Mehta","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-01-28T12:15:58Z","title":"Light Z' in Heterotic String Standard-like Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.7153","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":"sha256:4a4c6b81ed3610bc29a1a185c8d50dae1e96f9919cd11e99e8752f9566251ab4","target":"record","created_at":"2026-05-18T02:50:59Z","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":"10fcd6fbb852c1f602a5bdc7fccd3022d2fc37a13a80816a833c41b34b9d16f7","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2014-01-28T12:15:58Z","title_canon_sha256":"7883fa349303f30293db1e9ebb67ae8ce822155ac246da060474fd49b53a7988"},"schema_version":"1.0","source":{"id":"1401.7153","kind":"arxiv","version":2}},"canonical_sha256":"118d41ed33f98b511c792ea42f9357732cebea717106ba6fa066ebe16a69504e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"118d41ed33f98b511c792ea42f9357732cebea717106ba6fa066ebe16a69504e","first_computed_at":"2026-05-18T02:50:59.502190Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:50:59.502190Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"x6gx1Sf5DW0JE1r2rju2yRmgKN5cNkpXSJo9BPSD9LiHiIipVF4p6aYEIrrvEJ8ETm3FKlVlgAeeE7ztqnrhAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:50:59.502811Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.7153","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4a4c6b81ed3610bc29a1a185c8d50dae1e96f9919cd11e99e8752f9566251ab4","sha256:64c6b375b733b9b79e646bafe41222cece1e8b02aff65a0b6c7dcc29cd3122ad"],"state_sha256":"26f701862d70e78da7ee33cd0f994a4465225384dcd9d628955d474de718970f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NQmQAb5LU/SjYOdXw27fii39BY9Gxo/LmgrhMKU9y7ZcGJjZxxm+AKV+5eCPTIdB8y05uIUkUD9VMch12wIpAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T04:28:02.275707Z","bundle_sha256":"63e17cf350a83b3450d2cde092fb0194cb9e4a53b19d9bb22e7282b45329c9c7"}}