{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:DBCGGC7F2OX2UQSLLWFMYKPHUR","short_pith_number":"pith:DBCGGC7F","schema_version":"1.0","canonical_sha256":"1844630be5d3afaa424b5d8acc29e7a476f631fed950635a85c9c1ff60191c41","source":{"kind":"arxiv","id":"2401.17275","version":1},"attestation_state":"computed","paper":{"title":"The more the merrier: SRG/eROSITA discovers two further galaxies showing X-ray quasi-periodic eruptions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Goodwin, A. Malyali, A. Merloni, A. Rau, C. Maitra, D. Buckley, E. Kara, G. Anderson, G. Ponti, I. Grotova, J. Brink, J. Buchner, J. C. A. Miller-Jones, J. Chakraborty, K. Nandra, M. E. Ramos-Ceja, M. Gromadzki, M. Krumpe, M. Salvato, P. Baldini, R. Arcodia, Z. Arzoumanian, Z. Liu","submitted_at":"2024-01-30T22:40:05Z","abstract_excerpt":"X-ray quasi-periodic eruptions (QPEs) are a novel addition to the group of extragalactic transients. In this work, we report the discovery of two further galaxies showing QPEs, eRO-QPE3 and eRO-QPE4, with the eROSITA X-ray telescope on board the Spectrum Roentgen Gamma observatory. Among the properties in common with those of known QPEs are: the thermal-like spectral shape in eruption (up to $kT\\sim110-120$ eV) and quiescence ($kT\\sim50-90$ eV) and its evolution during the eruptions (with a harder rise than decay); the lack of strong canonical signatures of active nuclei (from current optical,"},"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":"2401.17275","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2024-01-30T22:40:05Z","cross_cats_sorted":[],"title_canon_sha256":"d43caa38435f6ba10f8ff504c37788d5594e6a166e14585f2b99b23adbaa47c7","abstract_canon_sha256":"c9d2c984da4839e0711168e1f414352dd38413df38d2a26890da504437ee7017"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:39:23.409154Z","signature_b64":"ahGIN9Fm/GxyjSdQh7CfzsEZCOpSSx+GqYYAI7YbOE0Mpb+eVbOmYeG/zl+sZLJylGO0b4UFYGEknItFZuQeBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1844630be5d3afaa424b5d8acc29e7a476f631fed950635a85c9c1ff60191c41","last_reissued_at":"2026-07-05T07:39:23.408656Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:39:23.408656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The more the merrier: SRG/eROSITA discovers two further galaxies showing X-ray quasi-periodic eruptions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Goodwin, A. Malyali, A. Merloni, A. Rau, C. Maitra, D. Buckley, E. Kara, G. Anderson, G. Ponti, I. Grotova, J. Brink, J. Buchner, J. C. A. Miller-Jones, J. Chakraborty, K. Nandra, M. E. Ramos-Ceja, M. Gromadzki, M. Krumpe, M. Salvato, P. Baldini, R. Arcodia, Z. Arzoumanian, Z. Liu","submitted_at":"2024-01-30T22:40:05Z","abstract_excerpt":"X-ray quasi-periodic eruptions (QPEs) are a novel addition to the group of extragalactic transients. In this work, we report the discovery of two further galaxies showing QPEs, eRO-QPE3 and eRO-QPE4, with the eROSITA X-ray telescope on board the Spectrum Roentgen Gamma observatory. Among the properties in common with those of known QPEs are: the thermal-like spectral shape in eruption (up to $kT\\sim110-120$ eV) and quiescence ($kT\\sim50-90$ eV) and its evolution during the eruptions (with a harder rise than decay); the lack of strong canonical signatures of active nuclei (from current optical,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.17275","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/2401.17275/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":"2401.17275","created_at":"2026-07-05T07:39:23.408718+00:00"},{"alias_kind":"arxiv_version","alias_value":"2401.17275v1","created_at":"2026-07-05T07:39:23.408718+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.17275","created_at":"2026-07-05T07:39:23.408718+00:00"},{"alias_kind":"pith_short_12","alias_value":"DBCGGC7F2OX2","created_at":"2026-07-05T07:39:23.408718+00:00"},{"alias_kind":"pith_short_16","alias_value":"DBCGGC7F2OX2UQSL","created_at":"2026-07-05T07:39:23.408718+00:00"},{"alias_kind":"pith_short_8","alias_value":"DBCGGC7F","created_at":"2026-07-05T07:39:23.408718+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.10942","citing_title":"Probing Active Galactic Nuclei and Measuring the Hubble constant with Extreme-Mass-Ratio Inspirals","ref_index":48,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DBCGGC7F2OX2UQSLLWFMYKPHUR","json":"https://pith.science/pith/DBCGGC7F2OX2UQSLLWFMYKPHUR.json","graph_json":"https://pith.science/api/pith-number/DBCGGC7F2OX2UQSLLWFMYKPHUR/graph.json","events_json":"https://pith.science/api/pith-number/DBCGGC7F2OX2UQSLLWFMYKPHUR/events.json","paper":"https://pith.science/paper/DBCGGC7F"},"agent_actions":{"view_html":"https://pith.science/pith/DBCGGC7F2OX2UQSLLWFMYKPHUR","download_json":"https://pith.science/pith/DBCGGC7F2OX2UQSLLWFMYKPHUR.json","view_paper":"https://pith.science/paper/DBCGGC7F","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2401.17275&json=true","fetch_graph":"https://pith.science/api/pith-number/DBCGGC7F2OX2UQSLLWFMYKPHUR/graph.json","fetch_events":"https://pith.science/api/pith-number/DBCGGC7F2OX2UQSLLWFMYKPHUR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DBCGGC7F2OX2UQSLLWFMYKPHUR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DBCGGC7F2OX2UQSLLWFMYKPHUR/action/storage_attestation","attest_author":"https://pith.science/pith/DBCGGC7F2OX2UQSLLWFMYKPHUR/action/author_attestation","sign_citation":"https://pith.science/pith/DBCGGC7F2OX2UQSLLWFMYKPHUR/action/citation_signature","submit_replication":"https://pith.science/pith/DBCGGC7F2OX2UQSLLWFMYKPHUR/action/replication_record"}},"created_at":"2026-07-05T07:39:23.408718+00:00","updated_at":"2026-07-05T07:39:23.408718+00:00"}