{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:OJXHG7K4HSEJRUH6J6I2PO4ZIX","short_pith_number":"pith:OJXHG7K4","schema_version":"1.0","canonical_sha256":"726e737d5c3c8898d0fe4f91a7bb9945fb417ef36ca76df3dfbd0b4678063a0e","source":{"kind":"arxiv","id":"2608.03683","version":1},"attestation_state":"computed","paper":{"title":"Revisiting the XMM-Newton Observations of the Galactic Microquasar SS 433: Implications for the Origin of the Ultrahigh-Energy Emission Detected by LHAASO","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Chao-Nan Tong, Hong-Bin Tan, Ruo-Yu Liu","submitted_at":"2026-08-04T13:54:23Z","abstract_excerpt":"Recently, the Large High Altitude Air Shower Observatory (LHAASO) detected ultrahigh-energy (UHE; photon energy E>100TeV) $\\gamma$-ray emission toward SS 433, the microquasar embedded in the W50 nebula, making it a promising Galactic PeVatron candidate. We reanalyze the archival XMM-Newton observations covering the bipolar jets and the thermal X-ray shell north of SS 433, and derive spatially resolved profiles of the nonthermal X-ray intensity and photon index along both jets. The jet emission softens with distance from the source, implying a correspondingly evolving electron population. In pa"},"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":"2608.03683","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-08-04T13:54:23Z","cross_cats_sorted":[],"title_canon_sha256":"dbe78e7199a931dd60fa89fe13f9b0655cd45e12d1297e07f678b7db42b9933f","abstract_canon_sha256":"c91ac40fe58383503475ea3bdda04e5492fdbdee2d4e83b47b221e58d0263d1b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-05T01:36:53.185795Z","signature_b64":"ArWpVe/axndgTuiyfQsCSNDE/PsO369xc962+IbS0opBmDt3d0NpP49LzNaEu4aVesJXOp8GY2XyyamMjVGKDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"726e737d5c3c8898d0fe4f91a7bb9945fb417ef36ca76df3dfbd0b4678063a0e","last_reissued_at":"2026-08-05T01:36:53.184341Z","signature_status":"signed_v1","first_computed_at":"2026-08-05T01:36:53.184341Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Revisiting the XMM-Newton Observations of the Galactic Microquasar SS 433: Implications for the Origin of the Ultrahigh-Energy Emission Detected by LHAASO","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Chao-Nan Tong, Hong-Bin Tan, Ruo-Yu Liu","submitted_at":"2026-08-04T13:54:23Z","abstract_excerpt":"Recently, the Large High Altitude Air Shower Observatory (LHAASO) detected ultrahigh-energy (UHE; photon energy E>100TeV) $\\gamma$-ray emission toward SS 433, the microquasar embedded in the W50 nebula, making it a promising Galactic PeVatron candidate. We reanalyze the archival XMM-Newton observations covering the bipolar jets and the thermal X-ray shell north of SS 433, and derive spatially resolved profiles of the nonthermal X-ray intensity and photon index along both jets. The jet emission softens with distance from the source, implying a correspondingly evolving electron population. In pa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.03683","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/2608.03683/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":"2608.03683","created_at":"2026-08-05T01:36:53.184830+00:00"},{"alias_kind":"arxiv_version","alias_value":"2608.03683v1","created_at":"2026-08-05T01:36:53.184830+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.03683","created_at":"2026-08-05T01:36:53.184830+00:00"},{"alias_kind":"pith_short_12","alias_value":"OJXHG7K4HSEJ","created_at":"2026-08-05T01:36:53.184830+00:00"},{"alias_kind":"pith_short_16","alias_value":"OJXHG7K4HSEJRUH6","created_at":"2026-08-05T01:36:53.184830+00:00"},{"alias_kind":"pith_short_8","alias_value":"OJXHG7K4","created_at":"2026-08-05T01:36:53.184830+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/OJXHG7K4HSEJRUH6J6I2PO4ZIX","json":"https://pith.science/pith/OJXHG7K4HSEJRUH6J6I2PO4ZIX.json","graph_json":"https://pith.science/api/pith-number/OJXHG7K4HSEJRUH6J6I2PO4ZIX/graph.json","events_json":"https://pith.science/api/pith-number/OJXHG7K4HSEJRUH6J6I2PO4ZIX/events.json","paper":"https://pith.science/paper/OJXHG7K4"},"agent_actions":{"view_html":"https://pith.science/pith/OJXHG7K4HSEJRUH6J6I2PO4ZIX","download_json":"https://pith.science/pith/OJXHG7K4HSEJRUH6J6I2PO4ZIX.json","view_paper":"https://pith.science/paper/OJXHG7K4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2608.03683&json=true","fetch_graph":"https://pith.science/api/pith-number/OJXHG7K4HSEJRUH6J6I2PO4ZIX/graph.json","fetch_events":"https://pith.science/api/pith-number/OJXHG7K4HSEJRUH6J6I2PO4ZIX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/OJXHG7K4HSEJRUH6J6I2PO4ZIX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/OJXHG7K4HSEJRUH6J6I2PO4ZIX/action/storage_attestation","attest_author":"https://pith.science/pith/OJXHG7K4HSEJRUH6J6I2PO4ZIX/action/author_attestation","sign_citation":"https://pith.science/pith/OJXHG7K4HSEJRUH6J6I2PO4ZIX/action/citation_signature","submit_replication":"https://pith.science/pith/OJXHG7K4HSEJRUH6J6I2PO4ZIX/action/replication_record"}},"created_at":"2026-08-05T01:36:53.184830+00:00","updated_at":"2026-08-05T01:36:53.184830+00:00"}