{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:QS6AETAMIFNGAMUYPKSVJFBUSA","short_pith_number":"pith:QS6AETAM","canonical_record":{"source":{"id":"2607.27325","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2026-07-29T18:00:02Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"e1703934e46628c40f9849af0a7f6539d9e801f0095e1b9e408d00a776b57bee","abstract_canon_sha256":"f428f240fe98135e73b4c6e314fd22d4075c25ac233c182a205d9bd70543be55"},"schema_version":"1.0"},"canonical_sha256":"84bc024c0c415a6032987aa55494349020d3d3b723b0d418f623e4e6fe89808d","source":{"kind":"arxiv","id":"2607.27325","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.27325","created_at":"2026-07-31T00:10:37Z"},{"alias_kind":"arxiv_version","alias_value":"2607.27325v1","created_at":"2026-07-31T00:10:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.27325","created_at":"2026-07-31T00:10:37Z"},{"alias_kind":"pith_short_12","alias_value":"QS6AETAMIFNG","created_at":"2026-07-31T00:10:37Z"},{"alias_kind":"pith_short_16","alias_value":"QS6AETAMIFNGAMUY","created_at":"2026-07-31T00:10:37Z"},{"alias_kind":"pith_short_8","alias_value":"QS6AETAM","created_at":"2026-07-31T00:10:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:QS6AETAMIFNGAMUYPKSVJFBUSA","target":"record","payload":{"canonical_record":{"source":{"id":"2607.27325","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2026-07-29T18:00:02Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"e1703934e46628c40f9849af0a7f6539d9e801f0095e1b9e408d00a776b57bee","abstract_canon_sha256":"f428f240fe98135e73b4c6e314fd22d4075c25ac233c182a205d9bd70543be55"},"schema_version":"1.0"},"canonical_sha256":"84bc024c0c415a6032987aa55494349020d3d3b723b0d418f623e4e6fe89808d","receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"84bc024c0c415a6032987aa55494349020d3d3b723b0d418f623e4e6fe89808d","last_reissued_at":"2026-07-31T00:10:37.888615Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-31T00:10:37.888615Z"},"source_kind":"arxiv","source_id":"2607.27325","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":"2026-07-31T00:10:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PIUJkP1gFZEWhbDnk24o2ZaEiYg9W0WDpwQ9vTaI2mP/jUIVtScfL/GVbfMeq5F5tCB8Xo4qn7sv/VeUqlHABw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T19:17:39.974859Z"},"content_sha256":"59461bfd4db32dd30d459bff82ebd6200074914a4312f33f1dadd491c70168dc","schema_version":"1.0","event_id":"sha256:59461bfd4db32dd30d459bff82ebd6200074914a4312f33f1dadd491c70168dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:QS6AETAMIFNGAMUYPKSVJFBUSA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Seesaw Cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"hep-ph","authors_text":"Chee Sheng Fong, Nicol\\'as Bernal, \\'Oscar Zapata","submitted_at":"2026-07-29T18:00:02Z","abstract_excerpt":"We study perturbative reheating in which the inflaton transfers its energy to the Standard Model through right-handed neutrinos (RHNs) responsible for light-neutrino masses via the type-I seesaw mechanism. We refer to the resulting nonstandard thermal history as $seesaw$ $cosmology$. When produced relativistically and sufficiently long lived, the RHNs generate a characteristic sequence of inflaton, relativistic-RHN, nonrelativistic-RHN, and Standard Model radiation domination. We solve the Boltzmann system while retaining the production-time dependence of the nonthermal RHN distribution and it"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.27325","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.27325/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-31T00:10:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6g5+knOaL3/UzL5euJjvsUTpeAIKs9E7oRWCTV15r0aubVmPss0dghjDXWWAQZEv6KaUzyQg85RkDCcqsUPKAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T19:17:39.975470Z"},"content_sha256":"1b6811c9f7abc06afc104091122031ffaa4caef63ad997519b322807f3a6aaa1","schema_version":"1.0","event_id":"sha256:1b6811c9f7abc06afc104091122031ffaa4caef63ad997519b322807f3a6aaa1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QS6AETAMIFNGAMUYPKSVJFBUSA/bundle.json","state_url":"https://pith.science/pith/QS6AETAMIFNGAMUYPKSVJFBUSA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QS6AETAMIFNGAMUYPKSVJFBUSA/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":"2026-08-01T19:17:39Z","links":{"resolver":"https://pith.science/pith/QS6AETAMIFNGAMUYPKSVJFBUSA","bundle":"https://pith.science/pith/QS6AETAMIFNGAMUYPKSVJFBUSA/bundle.json","state":"https://pith.science/pith/QS6AETAMIFNGAMUYPKSVJFBUSA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QS6AETAMIFNGAMUYPKSVJFBUSA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:QS6AETAMIFNGAMUYPKSVJFBUSA","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":"f428f240fe98135e73b4c6e314fd22d4075c25ac233c182a205d9bd70543be55","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2026-07-29T18:00:02Z","title_canon_sha256":"e1703934e46628c40f9849af0a7f6539d9e801f0095e1b9e408d00a776b57bee"},"schema_version":"1.0","source":{"id":"2607.27325","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.27325","created_at":"2026-07-31T00:10:37Z"},{"alias_kind":"arxiv_version","alias_value":"2607.27325v1","created_at":"2026-07-31T00:10:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.27325","created_at":"2026-07-31T00:10:37Z"},{"alias_kind":"pith_short_12","alias_value":"QS6AETAMIFNG","created_at":"2026-07-31T00:10:37Z"},{"alias_kind":"pith_short_16","alias_value":"QS6AETAMIFNGAMUY","created_at":"2026-07-31T00:10:37Z"},{"alias_kind":"pith_short_8","alias_value":"QS6AETAM","created_at":"2026-07-31T00:10:37Z"}],"graph_snapshots":[{"event_id":"sha256:1b6811c9f7abc06afc104091122031ffaa4caef63ad997519b322807f3a6aaa1","target":"graph","created_at":"2026-07-31T00:10:37Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2607.27325/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study perturbative reheating in which the inflaton transfers its energy to the Standard Model through right-handed neutrinos (RHNs) responsible for light-neutrino masses via the type-I seesaw mechanism. We refer to the resulting nonstandard thermal history as $seesaw$ $cosmology$. When produced relativistically and sufficiently long lived, the RHNs generate a characteristic sequence of inflaton, relativistic-RHN, nonrelativistic-RHN, and Standard Model radiation domination. We solve the Boltzmann system while retaining the production-time dependence of the nonthermal RHN distribution and it","authors_text":"Chee Sheng Fong, Nicol\\'as Bernal, \\'Oscar Zapata","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2026-07-29T18:00:02Z","title":"Seesaw Cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.27325","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":"sha256:59461bfd4db32dd30d459bff82ebd6200074914a4312f33f1dadd491c70168dc","target":"record","created_at":"2026-07-31T00:10:37Z","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":"f428f240fe98135e73b4c6e314fd22d4075c25ac233c182a205d9bd70543be55","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2026-07-29T18:00:02Z","title_canon_sha256":"e1703934e46628c40f9849af0a7f6539d9e801f0095e1b9e408d00a776b57bee"},"schema_version":"1.0","source":{"id":"2607.27325","kind":"arxiv","version":1}},"canonical_sha256":"84bc024c0c415a6032987aa55494349020d3d3b723b0d418f623e4e6fe89808d","receipt":{"builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"84bc024c0c415a6032987aa55494349020d3d3b723b0d418f623e4e6fe89808d","first_computed_at":"2026-07-31T00:10:37.888615Z","kind":"pith_receipt","last_reissued_at":"2026-07-31T00:10:37.888615Z","receipt_version":"0.3","signature_status":"unsigned_v0"},"source_id":"2607.27325","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59461bfd4db32dd30d459bff82ebd6200074914a4312f33f1dadd491c70168dc","sha256:1b6811c9f7abc06afc104091122031ffaa4caef63ad997519b322807f3a6aaa1"],"state_sha256":"3147b27eb34aca96d150426e64be0d1f249fa61894de2a15eb5f24be30176db4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2zyJZ8TH3iVpxwYIRywLrxRczUezRN0SeqaHhZ+bnahICVNH4TSyq9ZwOnPEnImGvlbTo41V1rZXMsVnDKwBAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T19:17:39.980139Z","bundle_sha256":"1a9dc03d6274ff0ab10ee1f63a3aca679597444d70ffc3bc4ca99117b3e908d3"}}