{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:SHBJZWVWATJMTRRXMS3ZWQV2ST","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":"8307e20885fa705eae7400e095034c32f1c617ca2aee8b1ed5f3d73994334a75","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-04-05T20:00:00Z","title_canon_sha256":"fe65b5cd3a156057261f40e78d1e7d9757b85e2242d22e3c99c649a8629b5b63"},"schema_version":"1.0","source":{"id":"1304.1804","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.1804","created_at":"2026-05-18T01:50:42Z"},{"alias_kind":"arxiv_version","alias_value":"1304.1804v2","created_at":"2026-05-18T01:50:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.1804","created_at":"2026-05-18T01:50:42Z"},{"alias_kind":"pith_short_12","alias_value":"SHBJZWVWATJM","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SHBJZWVWATJMTRRX","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SHBJZWVW","created_at":"2026-05-18T12:27:59Z"}],"graph_snapshots":[{"event_id":"sha256:b016571b68289cee494824a7fb11479d747734c69f1962ccc282afe0acdb939a","target":"graph","created_at":"2026-05-18T01:50:42Z","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":"Relativistic axions are good candidates for the dark radiation for which there are mounting observational hints. The primordial decays of heavy fields produce axions which are ultra-energetic compared to thermalised matter and inelastic axion-matter scattering can occur with $E_{CoM} \\gg T_{\\gamma}$, thus accessing many interesting processes which are otherwise kinematically forbidden in standard cosmology. Axion-photon scattering into quarks and leptons during BBN affects the light element abundances, and bounds on overproduction of $^4$He constrain a combination of the axion decay constant a","authors_text":"Joseph P. Conlon, M.C. David Marsh","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-04-05T20:00:00Z","title":"The Cosmophenomenology of Axionic Dark Radiation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.1804","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":"sha256:1bc929cc4ac5f101cfdd0dcf80633dd77d7a1cfc4dd27cfd18d5a508907a87b4","target":"record","created_at":"2026-05-18T01:50:42Z","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":"8307e20885fa705eae7400e095034c32f1c617ca2aee8b1ed5f3d73994334a75","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2013-04-05T20:00:00Z","title_canon_sha256":"fe65b5cd3a156057261f40e78d1e7d9757b85e2242d22e3c99c649a8629b5b63"},"schema_version":"1.0","source":{"id":"1304.1804","kind":"arxiv","version":2}},"canonical_sha256":"91c29cdab604d2c9c63764b79b42ba94fb0d74d9786b138b91fd4aa3204bb89a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"91c29cdab604d2c9c63764b79b42ba94fb0d74d9786b138b91fd4aa3204bb89a","first_computed_at":"2026-05-18T01:50:42.286409Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:42.286409Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"viLUlaFKsjt2eL6dq2Frwija/yU33sX/bitqf0QokVilneG+vtJVf2jxEupz1jYf6QFouN2npEwTM4JzB3vyDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:42.286972Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.1804","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1bc929cc4ac5f101cfdd0dcf80633dd77d7a1cfc4dd27cfd18d5a508907a87b4","sha256:b016571b68289cee494824a7fb11479d747734c69f1962ccc282afe0acdb939a"],"state_sha256":"a0c1fe454e0768ee62505983d2381eefa8d1457c38726923364e89e4587da32a"}