{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:KZEQE2B64TTVIFO3GY33SZT2AV","short_pith_number":"pith:KZEQE2B6","schema_version":"1.0","canonical_sha256":"564902683ee4e75415db3637b9667a056468f171528fc46097c65d61101e810b","source":{"kind":"arxiv","id":"2605.15972","version":1},"attestation_state":"computed","paper":{"title":"X-Ray Polarization from the Gamma-Ray Binary LS I +61 303","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Andrea Gnarini, Daniel Golonka, Ioannis Liodakis, Joel B. Coley, Oliver J. Roberts, Philip Kaaret, Steven R. Ehlert, Sudip Chakraborty","submitted_at":"2026-05-15T14:04:11Z","abstract_excerpt":"The gamma-ray emitting binary stellar system LS I +61 303 was observed with the Imaging X-ray Polarimetry Explorer (IXPE) on two successive orbits over orbital phases of 0.74 to 1.05. Polarization is detected at a significance of 4.2$\\sigma$ with an average polarization degree of $13.1\\% \\pm 3.0\\%$ in the 2-8~keV band after background subtraction. This is the second detection of polarization of the X-ray synchrotron emission from a gamma-ray binary and, again, suggests that the magnetic field in the particle acceleration region has a significant ordered component. The orbital motion on the sky"},"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":"2605.15972","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2026-05-15T14:04:11Z","cross_cats_sorted":[],"title_canon_sha256":"63a57828b441077217e1fa5f2ebdd5a1034ad44e2de286bee2f02acf239e1dcc","abstract_canon_sha256":"69afe2003be1572c44aefb2c0e2e70a6793cd0710453d1c377829b04f6f450e3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:01:47.217816Z","signature_b64":"gQAEZC1ZyaGGL2irXNTI68bimIdfZPvRC8awCnG2cEzg684ZPQKJG941WIYXGDAig2moDDQlbmNUX4Qkmm6VAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"564902683ee4e75415db3637b9667a056468f171528fc46097c65d61101e810b","last_reissued_at":"2026-05-20T00:01:47.217303Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:01:47.217303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"X-Ray Polarization from the Gamma-Ray Binary LS I +61 303","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Andrea Gnarini, Daniel Golonka, Ioannis Liodakis, Joel B. Coley, Oliver J. Roberts, Philip Kaaret, Steven R. Ehlert, Sudip Chakraborty","submitted_at":"2026-05-15T14:04:11Z","abstract_excerpt":"The gamma-ray emitting binary stellar system LS I +61 303 was observed with the Imaging X-ray Polarimetry Explorer (IXPE) on two successive orbits over orbital phases of 0.74 to 1.05. Polarization is detected at a significance of 4.2$\\sigma$ with an average polarization degree of $13.1\\% \\pm 3.0\\%$ in the 2-8~keV band after background subtraction. This is the second detection of polarization of the X-ray synchrotron emission from a gamma-ray binary and, again, suggests that the magnetic field in the particle acceleration region has a significant ordered component. The orbital motion on the sky"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.15972","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/2605.15972/integrity.json","findings":[],"available":true,"detectors_run":[{"name":"ai_meta_artifact","ran_at":"2026-05-19T17:33:44.867549Z","status":"skipped","version":"1.0.0","findings_count":0},{"name":"claim_evidence","ran_at":"2026-05-19T17:01:55.688082Z","status":"completed","version":"1.0.0","findings_count":0}],"snapshot_sha256":"bd4264da81f69482497ff10863cc1efed24addf3be431dd6a551d614233b68ba"},"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":"2605.15972","created_at":"2026-05-20T00:01:47.217389+00:00"},{"alias_kind":"arxiv_version","alias_value":"2605.15972v1","created_at":"2026-05-20T00:01:47.217389+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.15972","created_at":"2026-05-20T00:01:47.217389+00:00"},{"alias_kind":"pith_short_12","alias_value":"KZEQE2B64TTV","created_at":"2026-05-20T00:01:47.217389+00:00"},{"alias_kind":"pith_short_16","alias_value":"KZEQE2B64TTVIFO3","created_at":"2026-05-20T00:01:47.217389+00:00"},{"alias_kind":"pith_short_8","alias_value":"KZEQE2B6","created_at":"2026-05-20T00:01:47.217389+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/KZEQE2B64TTVIFO3GY33SZT2AV","json":"https://pith.science/pith/KZEQE2B64TTVIFO3GY33SZT2AV.json","graph_json":"https://pith.science/api/pith-number/KZEQE2B64TTVIFO3GY33SZT2AV/graph.json","events_json":"https://pith.science/api/pith-number/KZEQE2B64TTVIFO3GY33SZT2AV/events.json","paper":"https://pith.science/paper/KZEQE2B6"},"agent_actions":{"view_html":"https://pith.science/pith/KZEQE2B64TTVIFO3GY33SZT2AV","download_json":"https://pith.science/pith/KZEQE2B64TTVIFO3GY33SZT2AV.json","view_paper":"https://pith.science/paper/KZEQE2B6","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2605.15972&json=true","fetch_graph":"https://pith.science/api/pith-number/KZEQE2B64TTVIFO3GY33SZT2AV/graph.json","fetch_events":"https://pith.science/api/pith-number/KZEQE2B64TTVIFO3GY33SZT2AV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KZEQE2B64TTVIFO3GY33SZT2AV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KZEQE2B64TTVIFO3GY33SZT2AV/action/storage_attestation","attest_author":"https://pith.science/pith/KZEQE2B64TTVIFO3GY33SZT2AV/action/author_attestation","sign_citation":"https://pith.science/pith/KZEQE2B64TTVIFO3GY33SZT2AV/action/citation_signature","submit_replication":"https://pith.science/pith/KZEQE2B64TTVIFO3GY33SZT2AV/action/replication_record"}},"created_at":"2026-05-20T00:01:47.217389+00:00","updated_at":"2026-05-20T00:01:47.217389+00:00"}