{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:LJUWSCZUNRVIGSBJKS2XOKLMU6","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":"1e64fc250396cca2c861db000244bda44edf7dac5f97e0ffb34509c463c01b90","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-09-03T02:25:21Z","title_canon_sha256":"fd5bae8293ba15299ee8f70c6eed5f336f700464e5933cd104dce35e141c570c"},"schema_version":"1.0","source":{"id":"2409.01543","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2409.01543","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"arxiv_version","alias_value":"2409.01543v2","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2409.01543","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"pith_short_12","alias_value":"LJUWSCZUNRVI","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"pith_short_16","alias_value":"LJUWSCZUNRVIGSBJ","created_at":"2026-07-05T09:14:55Z"},{"alias_kind":"pith_short_8","alias_value":"LJUWSCZU","created_at":"2026-07-05T09:14:55Z"}],"graph_snapshots":[{"event_id":"sha256:8de6e9af7a0edbbb3644e40265b2a29d2028207e72f8e5e7293c167f6fc1ccce","target":"graph","created_at":"2026-07-05T09:14:55Z","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/2409.01543/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The observed dispersion measures (DMs) of fast radio bursts (FRBs) are a good indicator of the amount of ionized material along the propagation paths. In this work, we present a forecast of He II reionization detection using the DM and redshift measurements of FRBs from the upcoming Square Kilometre Array (SKA). Assuming a model of the Universe in which He II reionization occurred at a specific redshift $z_{\\rm re}$, we analyze what extent the signal-to-noise ratio ($\\mathrm{S/N}$) for the detection of the amplitude of reionization can be achieved in the era of SKA. Using $10^{6}$ mock FRB dat","authors_text":"Chong-Yu Gao, Jun-Jie Wei","cross_cats":["astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-09-03T02:25:21Z","title":"Forecasts for Helium Reionization Detection with Fast Radio Bursts in the Era of Square Kilometre Array"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2409.01543","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":"sha256:42b878e6dda72f6d83e9fdf42fbf8a78b0279596fc501fdb156e01cf4b261026","target":"record","created_at":"2026-07-05T09:14:55Z","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":"1e64fc250396cca2c861db000244bda44edf7dac5f97e0ffb34509c463c01b90","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-09-03T02:25:21Z","title_canon_sha256":"fd5bae8293ba15299ee8f70c6eed5f336f700464e5933cd104dce35e141c570c"},"schema_version":"1.0","source":{"id":"2409.01543","kind":"arxiv","version":2}},"canonical_sha256":"5a69690b346c6a83482954b577296ca7bd3282c48d654ba0e727fa1ecbc54bcf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a69690b346c6a83482954b577296ca7bd3282c48d654ba0e727fa1ecbc54bcf","first_computed_at":"2026-07-05T09:14:55.353502Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:14:55.353502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TFEQkRIHz8u+NQ+5iNKYC5oY5+ahBZ78nevbdbaC6IPWrFezX/+eeg6yukF6ycVjPB1cSRikaui9oQpImujCDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:14:55.353997Z","signed_message":"canonical_sha256_bytes"},"source_id":"2409.01543","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42b878e6dda72f6d83e9fdf42fbf8a78b0279596fc501fdb156e01cf4b261026","sha256:8de6e9af7a0edbbb3644e40265b2a29d2028207e72f8e5e7293c167f6fc1ccce"],"state_sha256":"ae84e4b2e2a17d0182c6fc4dd0aebfc0a734ee703a1cfd28650b603a5d02b6eb"}