{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:EQP5DPPM6UN24P6X7J5IWSRX6V","short_pith_number":"pith:EQP5DPPM","schema_version":"1.0","canonical_sha256":"241fd1bdecf51bae3fd7fa7a8b4a37f57fd4b35d5e3bd74644f212fe7322defc","source":{"kind":"arxiv","id":"2607.27439","version":1},"attestation_state":"computed","paper":{"title":"Radio Follow-Up of Einstein Probe Fast X-Ray Transients","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.HE","authors_text":"Alex Pollak, Andrew Siemion, Carmen Choza, Francesco Carotenuto, Joe S. Bright, Rob Fender","submitted_at":"2026-07-29T20:08:36Z","abstract_excerpt":"Fast X-ray transients (FXTs) are brief, luminous bursts of soft X-ray emission whose physical origins remain uncertain. The Einstein Probe (EP) mission has recently enabled prompt discovery of these events, providing opportunities for rapid multi-wavelength follow-up. We present a coordinated radio observing campaign targeting 20 FXTs detected by the EP in 2024. The core consists of 59 epochs with the Allen Telescope Array (ATA), sampling post-burst timescales from $\\sim$1 to $\\sim$65 days and reaching typical $3\\sigma$ sensitivities of 0.6--1.5\\,mJy across 1--8\\,GHz. Two FXTs---EP240315a and "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2607.27439","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-07-29T20:08:36Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"5b503c4397f3b9b0688c1dfa4fbe79cfbbe17b333d66e1dd6a5a5dc504218d19","abstract_canon_sha256":"6c5486f35760e7eeae340a677c560cc25943518da537f6e2c7535b2c548c3a81"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"241fd1bdecf51bae3fd7fa7a8b4a37f57fd4b35d5e3bd74644f212fe7322defc","last_reissued_at":"2026-07-31T00:12:10.682200Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-31T00:12:10.682200Z"},"graph_snapshot":{"paper":{"title":"Radio Follow-Up of Einstein Probe Fast X-Ray Transients","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.HE","authors_text":"Alex Pollak, Andrew Siemion, Carmen Choza, Francesco Carotenuto, Joe S. Bright, Rob Fender","submitted_at":"2026-07-29T20:08:36Z","abstract_excerpt":"Fast X-ray transients (FXTs) are brief, luminous bursts of soft X-ray emission whose physical origins remain uncertain. The Einstein Probe (EP) mission has recently enabled prompt discovery of these events, providing opportunities for rapid multi-wavelength follow-up. We present a coordinated radio observing campaign targeting 20 FXTs detected by the EP in 2024. The core consists of 59 epochs with the Allen Telescope Array (ATA), sampling post-burst timescales from $\\sim$1 to $\\sim$65 days and reaching typical $3\\sigma$ sensitivities of 0.6--1.5\\,mJy across 1--8\\,GHz. Two FXTs---EP240315a and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.27439","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/2607.27439/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2607.27439","created_at":"2026-07-31T00:12:10.684586+00:00"},{"alias_kind":"arxiv_version","alias_value":"2607.27439v1","created_at":"2026-07-31T00:12:10.684586+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.27439","created_at":"2026-07-31T00:12:10.684586+00:00"},{"alias_kind":"pith_short_12","alias_value":"EQP5DPPM6UN2","created_at":"2026-07-31T00:12:10.684586+00:00"},{"alias_kind":"pith_short_16","alias_value":"EQP5DPPM6UN24P6X","created_at":"2026-07-31T00:12:10.684586+00:00"},{"alias_kind":"pith_short_8","alias_value":"EQP5DPPM","created_at":"2026-07-31T00:12:10.684586+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/EQP5DPPM6UN24P6X7J5IWSRX6V","json":"https://pith.science/pith/EQP5DPPM6UN24P6X7J5IWSRX6V.json","graph_json":"https://pith.science/api/pith-number/EQP5DPPM6UN24P6X7J5IWSRX6V/graph.json","events_json":"https://pith.science/api/pith-number/EQP5DPPM6UN24P6X7J5IWSRX6V/events.json","paper":"https://pith.science/paper/EQP5DPPM"},"agent_actions":{"view_html":"https://pith.science/pith/EQP5DPPM6UN24P6X7J5IWSRX6V","download_json":"https://pith.science/pith/EQP5DPPM6UN24P6X7J5IWSRX6V.json","view_paper":"https://pith.science/paper/EQP5DPPM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2607.27439&json=true","fetch_graph":"https://pith.science/api/pith-number/EQP5DPPM6UN24P6X7J5IWSRX6V/graph.json","fetch_events":"https://pith.science/api/pith-number/EQP5DPPM6UN24P6X7J5IWSRX6V/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EQP5DPPM6UN24P6X7J5IWSRX6V/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EQP5DPPM6UN24P6X7J5IWSRX6V/action/storage_attestation","attest_author":"https://pith.science/pith/EQP5DPPM6UN24P6X7J5IWSRX6V/action/author_attestation","sign_citation":"https://pith.science/pith/EQP5DPPM6UN24P6X7J5IWSRX6V/action/citation_signature","submit_replication":"https://pith.science/pith/EQP5DPPM6UN24P6X7J5IWSRX6V/action/replication_record"}},"created_at":"2026-07-31T00:12:10.684586+00:00","updated_at":"2026-07-31T00:12:10.684586+00:00"}