{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:BPURLIBTI6QR3RKWFA7TDSTYFR","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":"d71b63cc460299840474dd5b79d72bd4677a4268bca0f3a9e2f07637bf4d15bd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-03-08T19:00:02Z","title_canon_sha256":"c78b0ad5ca8f5c938fa4657f762b31b9a717ba25122a154519617d5816235405"},"schema_version":"1.0","source":{"id":"2403.05621","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.05621","created_at":"2026-07-05T07:54:10Z"},{"alias_kind":"arxiv_version","alias_value":"2403.05621v1","created_at":"2026-07-05T07:54:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.05621","created_at":"2026-07-05T07:54:10Z"},{"alias_kind":"pith_short_12","alias_value":"BPURLIBTI6QR","created_at":"2026-07-05T07:54:10Z"},{"alias_kind":"pith_short_16","alias_value":"BPURLIBTI6QR3RKW","created_at":"2026-07-05T07:54:10Z"},{"alias_kind":"pith_short_8","alias_value":"BPURLIBT","created_at":"2026-07-05T07:54:10Z"}],"graph_snapshots":[{"event_id":"sha256:039dad72409cd34a33ec203ba1394de7ba1a7cad7bda3e8194de6f041a660568","target":"graph","created_at":"2026-07-05T07:54:10Z","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/2403.05621/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hot axions are produced in the early Universe via their interactions with Standard Model particles, contributing to dark radiation commonly parameterized as $\\Delta N_{\\text{eff}}$. In standard QCD axion benchmark models, this contribution to $\\Delta N_{\\text{eff}}$ is negligible after taking into account astrophysical limits such as the SN1987A bound. We therefore compute the axion contribution to $\\Delta N_{\\text{eff}}$ in so-called astrophobic axion models characterized by strongly suppressed axion couplings to nucleons and electrons, in which astrophysical constraints are relaxed and $\\Del","authors_text":"Keisuke Harigaya, Marcin Badziak, Micha{\\l} {\\L}ukawski, Robert Ziegler","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-03-08T19:00:02Z","title":"Thermal production of astrophobic axions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.05621","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:bd23759c22a13328c00653d40b8d9ac1797877cefd188984abf04636027066ae","target":"record","created_at":"2026-07-05T07:54:10Z","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":"d71b63cc460299840474dd5b79d72bd4677a4268bca0f3a9e2f07637bf4d15bd","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-ph","submitted_at":"2024-03-08T19:00:02Z","title_canon_sha256":"c78b0ad5ca8f5c938fa4657f762b31b9a717ba25122a154519617d5816235405"},"schema_version":"1.0","source":{"id":"2403.05621","kind":"arxiv","version":1}},"canonical_sha256":"0be915a03347a11dc556283f31ca782c6462b886e260fd2ae9ba196f9d3a9c23","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0be915a03347a11dc556283f31ca782c6462b886e260fd2ae9ba196f9d3a9c23","first_computed_at":"2026-07-05T07:54:10.968945Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:54:10.968945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nfgG1PGvG2MA2sZRS/MMEKQ3Z7R+Dgrw4FMYRBFj5Bj7gpRHbaAm4e1+JHGgUIomwrbR+DAJASMU/D2gn2AICw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:54:10.969387Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.05621","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bd23759c22a13328c00653d40b8d9ac1797877cefd188984abf04636027066ae","sha256:039dad72409cd34a33ec203ba1394de7ba1a7cad7bda3e8194de6f041a660568"],"state_sha256":"ae688ab963881b47fcb108cd98230d5dce9fc4d2ba88e399de8dbb02d38a79a2"}