{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:4JENCEHSL3HRJRS3TSGUFJOIU3","short_pith_number":"pith:4JENCEHS","canonical_record":{"source":{"id":"1007.5152","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-07-29T09:07:59Z","cross_cats_sorted":[],"title_canon_sha256":"61f02ad84e3673791400d1c5f312021da2d71529c58bdf2f01a11502bd8b9a5d","abstract_canon_sha256":"72d0ca9470f06145ddd1c7d12912ed75917d9e8d300c85df244ce180f26b3388"},"schema_version":"1.0"},"canonical_sha256":"e248d110f25ecf14c65b9c8d42a5c8a6f5030a18124889822f8bd2176c831c8d","source":{"kind":"arxiv","id":"1007.5152","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.5152","created_at":"2026-05-18T04:24:27Z"},{"alias_kind":"arxiv_version","alias_value":"1007.5152v2","created_at":"2026-05-18T04:24:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.5152","created_at":"2026-05-18T04:24:27Z"},{"alias_kind":"pith_short_12","alias_value":"4JENCEHSL3HR","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"4JENCEHSL3HRJRS3","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"4JENCEHS","created_at":"2026-05-18T12:26:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:4JENCEHSL3HRJRS3TSGUFJOIU3","target":"record","payload":{"canonical_record":{"source":{"id":"1007.5152","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-07-29T09:07:59Z","cross_cats_sorted":[],"title_canon_sha256":"61f02ad84e3673791400d1c5f312021da2d71529c58bdf2f01a11502bd8b9a5d","abstract_canon_sha256":"72d0ca9470f06145ddd1c7d12912ed75917d9e8d300c85df244ce180f26b3388"},"schema_version":"1.0"},"canonical_sha256":"e248d110f25ecf14c65b9c8d42a5c8a6f5030a18124889822f8bd2176c831c8d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:24:27.581293Z","signature_b64":"Zq/ro46S9LQnVhRYFq4v42tG6oKGSJC39ugfkRkyuQlkkaOqDGQo2HpxJGacmx+CPLOuzCFOLy/+GjLSzJ63CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e248d110f25ecf14c65b9c8d42a5c8a6f5030a18124889822f8bd2176c831c8d","last_reissued_at":"2026-05-18T04:24:27.580547Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:24:27.580547Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1007.5152","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":"2026-05-18T04:24:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ufaqfF78jyZnZ7e5AQsU5ZPXpLGk64cS1g2aut4n5GcE8VJuUM6sBAz9ar++7PuXitbBju2hqXLRfmkmPXwhAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T14:23:11.793905Z"},"content_sha256":"680430a1c625870c1a00bdb093a0dbbe9cc8a7c1f262223594c9e908bad4d0d3","schema_version":"1.0","event_id":"sha256:680430a1c625870c1a00bdb093a0dbbe9cc8a7c1f262223594c9e908bad4d0d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:4JENCEHSL3HRJRS3TSGUFJOIU3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraint on the gravitino mass in hybrid inflation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Fuminobu Takahashi, Kazunori Nakayama, Tsutomu T. Yanagida","submitted_at":"2010-07-29T09:07:59Z","abstract_excerpt":"We revisit the F-term hybrid inflation model in supergravity. In particular, we point out that a constant term in the superpotential has significant effects on the inflaton dynamics. It is shown that the hybrid inflation model suffers from several potential problems: tuning of the initial condition, gravitino overproduction and formation of cosmic strings, for both minimal and non-minimal Kahler potentials. These problems can only be avoided in gauge-mediated SUSY breaking models where the gravitino is relatively light and the constant term in the superpotential is not important. Implications "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.5152","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":"2026-05-18T04:24:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SrKfk/U4GuNNOnCzUxKukWCAkmoaCwDLXOBGiprshyTYvHmdf9MPTro2cyOt5+t20yVBZFw7VennvtZXZdE/Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T14:23:11.794458Z"},"content_sha256":"96fdb7a3311ec894a7592bb0d8b3acd35e1abe61ff13012ea396e31a4de54b74","schema_version":"1.0","event_id":"sha256:96fdb7a3311ec894a7592bb0d8b3acd35e1abe61ff13012ea396e31a4de54b74"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4JENCEHSL3HRJRS3TSGUFJOIU3/bundle.json","state_url":"https://pith.science/pith/4JENCEHSL3HRJRS3TSGUFJOIU3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4JENCEHSL3HRJRS3TSGUFJOIU3/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":"2026-06-08T14:23:11Z","links":{"resolver":"https://pith.science/pith/4JENCEHSL3HRJRS3TSGUFJOIU3","bundle":"https://pith.science/pith/4JENCEHSL3HRJRS3TSGUFJOIU3/bundle.json","state":"https://pith.science/pith/4JENCEHSL3HRJRS3TSGUFJOIU3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4JENCEHSL3HRJRS3TSGUFJOIU3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:4JENCEHSL3HRJRS3TSGUFJOIU3","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":"72d0ca9470f06145ddd1c7d12912ed75917d9e8d300c85df244ce180f26b3388","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-07-29T09:07:59Z","title_canon_sha256":"61f02ad84e3673791400d1c5f312021da2d71529c58bdf2f01a11502bd8b9a5d"},"schema_version":"1.0","source":{"id":"1007.5152","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.5152","created_at":"2026-05-18T04:24:27Z"},{"alias_kind":"arxiv_version","alias_value":"1007.5152v2","created_at":"2026-05-18T04:24:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.5152","created_at":"2026-05-18T04:24:27Z"},{"alias_kind":"pith_short_12","alias_value":"4JENCEHSL3HR","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_16","alias_value":"4JENCEHSL3HRJRS3","created_at":"2026-05-18T12:26:03Z"},{"alias_kind":"pith_short_8","alias_value":"4JENCEHS","created_at":"2026-05-18T12:26:03Z"}],"graph_snapshots":[{"event_id":"sha256:96fdb7a3311ec894a7592bb0d8b3acd35e1abe61ff13012ea396e31a4de54b74","target":"graph","created_at":"2026-05-18T04:24:27Z","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 revisit the F-term hybrid inflation model in supergravity. In particular, we point out that a constant term in the superpotential has significant effects on the inflaton dynamics. It is shown that the hybrid inflation model suffers from several potential problems: tuning of the initial condition, gravitino overproduction and formation of cosmic strings, for both minimal and non-minimal Kahler potentials. These problems can only be avoided in gauge-mediated SUSY breaking models where the gravitino is relatively light and the constant term in the superpotential is not important. Implications ","authors_text":"Fuminobu Takahashi, Kazunori Nakayama, Tsutomu T. Yanagida","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-07-29T09:07:59Z","title":"Constraint on the gravitino mass in hybrid inflation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.5152","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":"sha256:680430a1c625870c1a00bdb093a0dbbe9cc8a7c1f262223594c9e908bad4d0d3","target":"record","created_at":"2026-05-18T04:24:27Z","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":"72d0ca9470f06145ddd1c7d12912ed75917d9e8d300c85df244ce180f26b3388","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2010-07-29T09:07:59Z","title_canon_sha256":"61f02ad84e3673791400d1c5f312021da2d71529c58bdf2f01a11502bd8b9a5d"},"schema_version":"1.0","source":{"id":"1007.5152","kind":"arxiv","version":2}},"canonical_sha256":"e248d110f25ecf14c65b9c8d42a5c8a6f5030a18124889822f8bd2176c831c8d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e248d110f25ecf14c65b9c8d42a5c8a6f5030a18124889822f8bd2176c831c8d","first_computed_at":"2026-05-18T04:24:27.580547Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:24:27.580547Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zq/ro46S9LQnVhRYFq4v42tG6oKGSJC39ugfkRkyuQlkkaOqDGQo2HpxJGacmx+CPLOuzCFOLy/+GjLSzJ63CA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:24:27.581293Z","signed_message":"canonical_sha256_bytes"},"source_id":"1007.5152","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:680430a1c625870c1a00bdb093a0dbbe9cc8a7c1f262223594c9e908bad4d0d3","sha256:96fdb7a3311ec894a7592bb0d8b3acd35e1abe61ff13012ea396e31a4de54b74"],"state_sha256":"556a697a16ec03d09b7b825b7c18797edf305f11823d9a493e5217d9d1afc62a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1r75V8U40Iz/5Cr1LC0/7m9ViMHfOQ2/dtzZrYIJf6Gc4MHdxGuiWIPejwJEdgrtADC6pw2eNezGwn9S0QrxDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T14:23:11.798076Z","bundle_sha256":"86a92012202b506743ed909cf11e938c51817ed50d6b1591e36ba7d896eac5e9"}}