{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:CMMU3K3IF35L2ER7URXZ5EIEO6","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":"7fb23acc796c1af5ed58c04f6256ff5cfe2b655ead464c6fc1a9bbc578903e59","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-21T12:31:17Z","title_canon_sha256":"3d6f4aad959bfb198fb10e72f9b430f9fc46e5ad0035c100abc5c2ad5e492fee"},"schema_version":"1.0","source":{"id":"2605.22400","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.22400","created_at":"2026-05-22T01:04:41Z"},{"alias_kind":"arxiv_version","alias_value":"2605.22400v1","created_at":"2026-05-22T01:04:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.22400","created_at":"2026-05-22T01:04:41Z"},{"alias_kind":"pith_short_12","alias_value":"CMMU3K3IF35L","created_at":"2026-05-22T01:04:41Z"},{"alias_kind":"pith_short_16","alias_value":"CMMU3K3IF35L2ER7","created_at":"2026-05-22T01:04:41Z"},{"alias_kind":"pith_short_8","alias_value":"CMMU3K3I","created_at":"2026-05-22T01:04:41Z"}],"graph_snapshots":[{"event_id":"sha256:7556c2cd52435d897319d84b5435a2e4c383b0a3e727749fa8f799e5c094dfc7","target":"graph","created_at":"2026-05-22T01:04:41Z","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/2605.22400/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Detecting the redshifted global 21-cm signal from the cosmic dawn (CD) remains a major challenge due to strong terrestrial Radio Frequency Interference (RFI), particularly dominated by Frequency Modulation (FM) transmissions in the 88-110 MHz range. While observations from the radio-quiet lunar farside are ideal, Earth orbit offers an intermediate and simpler alternative that may mitigate several limitations of ground-based experiments.\n  We assess the feasibility of detecting the global 21-cm signal from Earth orbit by quantifying FM-based RFI at different altitudes and orbital configurations","authors_text":"2), (2) Raman Research Institute, Bangalore), Mayuri Sathyanarayana Rao (2), Saurabh Singh (2) ((1) Department of Physics, University of Rome Tor Vergata, Yogen Pranesh (1","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-21T12:31:17Z","title":"STARFIRE-2: Can we detect the global redshifted 21-cm signal from the cosmic dawn in Earth orbit?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.22400","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":"sha256:3e49f5b03540579d53bfe0d30cb7c36e5e36582faa39404413e4a60574f9b427","target":"record","created_at":"2026-05-22T01:04:41Z","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":"7fb23acc796c1af5ed58c04f6256ff5cfe2b655ead464c6fc1a9bbc578903e59","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2026-05-21T12:31:17Z","title_canon_sha256":"3d6f4aad959bfb198fb10e72f9b430f9fc46e5ad0035c100abc5c2ad5e492fee"},"schema_version":"1.0","source":{"id":"2605.22400","kind":"arxiv","version":1}},"canonical_sha256":"13194dab682efabd123fa46f9e91047792ef20cd638514dcbf34cf796052dacf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"13194dab682efabd123fa46f9e91047792ef20cd638514dcbf34cf796052dacf","first_computed_at":"2026-05-22T01:04:41.774197Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-22T01:04:41.774197Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SVI4SIybAemAzY/+/hS/XlHhXpjOK5KbbcP3NGI9R5NBBLby9tolPVOkKOgHgwHv3pMbgabs+fklz8ku1keXBA==","signature_status":"signed_v1","signed_at":"2026-05-22T01:04:41.774772Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.22400","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e49f5b03540579d53bfe0d30cb7c36e5e36582faa39404413e4a60574f9b427","sha256:7556c2cd52435d897319d84b5435a2e4c383b0a3e727749fa8f799e5c094dfc7"],"state_sha256":"d7ad9943eb51d612f9572ddad6af278a270d10078781986150d0fa23bd170e43"}