{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:IH267KIGRIGC7U5NA4DW26UJCW","short_pith_number":"pith:IH267KIG","canonical_record":{"source":{"id":"hep-ph/9507323","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1995-07-18T04:24:04Z","cross_cats_sorted":[],"title_canon_sha256":"23898b221550b8ab13ce5160a2acd9cd97b55f2a653f8747f738aa653111048a","abstract_canon_sha256":"711ad69dae19aac7d42aa8e0258667dc66037e0e593fa50bc09bd0f630869ce4"},"schema_version":"1.0"},"canonical_sha256":"41f5efa9068a0c2fd3ad07076d7a8915bc6df540679db8aca7e1b449c0d6ce41","source":{"kind":"arxiv","id":"hep-ph/9507323","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9507323","created_at":"2026-05-18T04:30:37Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9507323v2","created_at":"2026-05-18T04:30:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9507323","created_at":"2026-05-18T04:30:37Z"},{"alias_kind":"pith_short_12","alias_value":"IH267KIGRIGC","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"IH267KIGRIGC7U5N","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"IH267KIG","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:IH267KIGRIGC7U5NA4DW26UJCW","target":"record","payload":{"canonical_record":{"source":{"id":"hep-ph/9507323","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"hep-ph","submitted_at":"1995-07-18T04:24:04Z","cross_cats_sorted":[],"title_canon_sha256":"23898b221550b8ab13ce5160a2acd9cd97b55f2a653f8747f738aa653111048a","abstract_canon_sha256":"711ad69dae19aac7d42aa8e0258667dc66037e0e593fa50bc09bd0f630869ce4"},"schema_version":"1.0"},"canonical_sha256":"41f5efa9068a0c2fd3ad07076d7a8915bc6df540679db8aca7e1b449c0d6ce41","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:30:37.736981Z","signature_b64":"sLimFZUKXsnKJuOyHPn1vmid2gYXNzxI35XuY/t2FnE//VOVLHYXvxZsrW7fF9tZFALUNfDMi/npqKnojnRHDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41f5efa9068a0c2fd3ad07076d7a8915bc6df540679db8aca7e1b449c0d6ce41","last_reissued_at":"2026-05-18T04:30:37.736214Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:30:37.736214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-ph/9507323","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":"2026-05-18T04:30:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7y9FvWrSaZfPbKUFBJdFyxDm4BFmf9ERtwWgFiu254Thd89paRyfYJLTmZ/yMuMW1NNEeaVi48Y6J8UzEuFtDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T07:41:23.361518Z"},"content_sha256":"cc7590dab88df420ac4f9e0b27de51cf3a6ffd89cb91c8f19df63f08f35ca6cf","schema_version":"1.0","event_id":"sha256:cc7590dab88df420ac4f9e0b27de51cf3a6ffd89cb91c8f19df63f08f35ca6cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:IH267KIGRIGC7U5NA4DW26UJCW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Minimal Four-Family Supergravity Model","license":"","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Douglas W. McKay, H. Pois, J.F. Gunion","submitted_at":"1995-07-18T04:24:04Z","abstract_excerpt":"We investigate the phenomenology of minimal four-family MSSM supergravity theories containing an additional generation of heavy fermions along with their superpartners. We demand: gauge coupling constant unification at high energy scales; perturbative values for all Yukawa couplings for energy scales $\\leq \\mgut$; radiative electroweak symmetry breaking via renormalization group evolution; and a neutral LSP. The perturbative constraints imply a light fourth-family quark and lepton spectrum, and $\\tanb\\lsim 3$. The lightest CP-even Higgs mass is increased. Fourth-family Yukawa coupling contribu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9507323","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":"2026-05-18T04:30:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tuEQGvGOC2UjKQmRNk/hCEFW3WKIoUzyVNOIk3LQx3hdBzWAEfjWGCz46miM/EgUR4wvphgURjYh3IsWEt98BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T07:41:23.361911Z"},"content_sha256":"b3050497ad4e00e6c80e895afd8fd28083923b1ffef3e148d92b36398672472d","schema_version":"1.0","event_id":"sha256:b3050497ad4e00e6c80e895afd8fd28083923b1ffef3e148d92b36398672472d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IH267KIGRIGC7U5NA4DW26UJCW/bundle.json","state_url":"https://pith.science/pith/IH267KIGRIGC7U5NA4DW26UJCW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IH267KIGRIGC7U5NA4DW26UJCW/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":"2026-06-10T07:41:23Z","links":{"resolver":"https://pith.science/pith/IH267KIGRIGC7U5NA4DW26UJCW","bundle":"https://pith.science/pith/IH267KIGRIGC7U5NA4DW26UJCW/bundle.json","state":"https://pith.science/pith/IH267KIGRIGC7U5NA4DW26UJCW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IH267KIGRIGC7U5NA4DW26UJCW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:IH267KIGRIGC7U5NA4DW26UJCW","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":"711ad69dae19aac7d42aa8e0258667dc66037e0e593fa50bc09bd0f630869ce4","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1995-07-18T04:24:04Z","title_canon_sha256":"23898b221550b8ab13ce5160a2acd9cd97b55f2a653f8747f738aa653111048a"},"schema_version":"1.0","source":{"id":"hep-ph/9507323","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-ph/9507323","created_at":"2026-05-18T04:30:37Z"},{"alias_kind":"arxiv_version","alias_value":"hep-ph/9507323v2","created_at":"2026-05-18T04:30:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-ph/9507323","created_at":"2026-05-18T04:30:37Z"},{"alias_kind":"pith_short_12","alias_value":"IH267KIGRIGC","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"IH267KIGRIGC7U5N","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"IH267KIG","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:b3050497ad4e00e6c80e895afd8fd28083923b1ffef3e148d92b36398672472d","target":"graph","created_at":"2026-05-18T04:30:37Z","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"},"paper":{"abstract_excerpt":"We investigate the phenomenology of minimal four-family MSSM supergravity theories containing an additional generation of heavy fermions along with their superpartners. We demand: gauge coupling constant unification at high energy scales; perturbative values for all Yukawa couplings for energy scales $\\leq \\mgut$; radiative electroweak symmetry breaking via renormalization group evolution; and a neutral LSP. The perturbative constraints imply a light fourth-family quark and lepton spectrum, and $\\tanb\\lsim 3$. The lightest CP-even Higgs mass is increased. Fourth-family Yukawa coupling contribu","authors_text":"Douglas W. McKay, H. Pois, J.F. Gunion","cross_cats":[],"headline":"","license":"","primary_cat":"hep-ph","submitted_at":"1995-07-18T04:24:04Z","title":"A Minimal Four-Family Supergravity Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-ph/9507323","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:cc7590dab88df420ac4f9e0b27de51cf3a6ffd89cb91c8f19df63f08f35ca6cf","target":"record","created_at":"2026-05-18T04:30:37Z","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":"711ad69dae19aac7d42aa8e0258667dc66037e0e593fa50bc09bd0f630869ce4","cross_cats_sorted":[],"license":"","primary_cat":"hep-ph","submitted_at":"1995-07-18T04:24:04Z","title_canon_sha256":"23898b221550b8ab13ce5160a2acd9cd97b55f2a653f8747f738aa653111048a"},"schema_version":"1.0","source":{"id":"hep-ph/9507323","kind":"arxiv","version":2}},"canonical_sha256":"41f5efa9068a0c2fd3ad07076d7a8915bc6df540679db8aca7e1b449c0d6ce41","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"41f5efa9068a0c2fd3ad07076d7a8915bc6df540679db8aca7e1b449c0d6ce41","first_computed_at":"2026-05-18T04:30:37.736214Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:30:37.736214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sLimFZUKXsnKJuOyHPn1vmid2gYXNzxI35XuY/t2FnE//VOVLHYXvxZsrW7fF9tZFALUNfDMi/npqKnojnRHDg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:30:37.736981Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-ph/9507323","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cc7590dab88df420ac4f9e0b27de51cf3a6ffd89cb91c8f19df63f08f35ca6cf","sha256:b3050497ad4e00e6c80e895afd8fd28083923b1ffef3e148d92b36398672472d"],"state_sha256":"ebafe7c0684f7311f3b9f07ec34a109404126758bf17ef13be3be29fc869f39c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JYqv0egcnKYARynCuviMASqarGY5ood+TDOr5dwF9RVPdEX7f2cIY9IBWdbuaVvIla4h3pbkY/UPCCdlBoypCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T07:41:23.364004Z","bundle_sha256":"b4ff2e1adc8448e0bdea4d312f3c4d462f2df942d849be1d3e58092d76fdd6a3"}}