{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:3PPFP2R5M4BQO2AI652YPCG22Y","short_pith_number":"pith:3PPFP2R5","schema_version":"1.0","canonical_sha256":"dbde57ea3d6703076808f7758788dad62cd75d69c8023c3f431f7ac4ff355406","source":{"kind":"arxiv","id":"2508.19577","version":1},"attestation_state":"computed","paper":{"title":"Gravitational Microlensing of the Galactic Centre $\\gamma$-Ray Excess: A New Test for Point-Like or Extended Emission?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Florian List, Geraint Lewis, Nada Salama","submitted_at":"2025-08-27T05:22:11Z","abstract_excerpt":"We present a potential test of the origin of the $\\gamma$-ray Galactic Centre Excess (GCE). We demonstrate how gravitational microlensing by stellar mass objects along the line of sight to the Galactic Bulge can distinguish between the possibility of extensive emission due to dark matter self-annihilation from more prosaic astrophysical sources, namely millisecond pulsars. Such an astrophysical origin would result in emission from a population of small, currently unresolved point-like sources - in contrast to the expected smoother emission resulting from dark matter annihilation. Given that th"},"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":"2508.19577","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-08-27T05:22:11Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"title_canon_sha256":"23cfb3c7388967aed476e9c6b19ab9e7577c228190525aa6db95808ef074132a","abstract_canon_sha256":"3443a77fbdc1b314e4e4d5ddfaeeb087a1c373ef3575c122b04f89e7b0346d1c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:00:14.408733Z","signature_b64":"NbZQmBNKDu1ZL/m6bzer8y2Hca1rne8/zyK3iAdDKaZLFA5OvfO2Ma3Va3A85jWSN7quOFjpOddSS7+ZafQ+Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dbde57ea3d6703076808f7758788dad62cd75d69c8023c3f431f7ac4ff355406","last_reissued_at":"2026-07-05T12:00:14.408252Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:00:14.408252Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gravitational Microlensing of the Galactic Centre $\\gamma$-Ray Excess: A New Test for Point-Like or Extended Emission?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Florian List, Geraint Lewis, Nada Salama","submitted_at":"2025-08-27T05:22:11Z","abstract_excerpt":"We present a potential test of the origin of the $\\gamma$-ray Galactic Centre Excess (GCE). We demonstrate how gravitational microlensing by stellar mass objects along the line of sight to the Galactic Bulge can distinguish between the possibility of extensive emission due to dark matter self-annihilation from more prosaic astrophysical sources, namely millisecond pulsars. Such an astrophysical origin would result in emission from a population of small, currently unresolved point-like sources - in contrast to the expected smoother emission resulting from dark matter annihilation. Given that th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.19577","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/2508.19577/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":"2508.19577","created_at":"2026-07-05T12:00:14.408309+00:00"},{"alias_kind":"arxiv_version","alias_value":"2508.19577v1","created_at":"2026-07-05T12:00:14.408309+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.19577","created_at":"2026-07-05T12:00:14.408309+00:00"},{"alias_kind":"pith_short_12","alias_value":"3PPFP2R5M4BQ","created_at":"2026-07-05T12:00:14.408309+00:00"},{"alias_kind":"pith_short_16","alias_value":"3PPFP2R5M4BQO2AI","created_at":"2026-07-05T12:00:14.408309+00:00"},{"alias_kind":"pith_short_8","alias_value":"3PPFP2R5","created_at":"2026-07-05T12:00:14.408309+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/3PPFP2R5M4BQO2AI652YPCG22Y","json":"https://pith.science/pith/3PPFP2R5M4BQO2AI652YPCG22Y.json","graph_json":"https://pith.science/api/pith-number/3PPFP2R5M4BQO2AI652YPCG22Y/graph.json","events_json":"https://pith.science/api/pith-number/3PPFP2R5M4BQO2AI652YPCG22Y/events.json","paper":"https://pith.science/paper/3PPFP2R5"},"agent_actions":{"view_html":"https://pith.science/pith/3PPFP2R5M4BQO2AI652YPCG22Y","download_json":"https://pith.science/pith/3PPFP2R5M4BQO2AI652YPCG22Y.json","view_paper":"https://pith.science/paper/3PPFP2R5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2508.19577&json=true","fetch_graph":"https://pith.science/api/pith-number/3PPFP2R5M4BQO2AI652YPCG22Y/graph.json","fetch_events":"https://pith.science/api/pith-number/3PPFP2R5M4BQO2AI652YPCG22Y/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3PPFP2R5M4BQO2AI652YPCG22Y/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3PPFP2R5M4BQO2AI652YPCG22Y/action/storage_attestation","attest_author":"https://pith.science/pith/3PPFP2R5M4BQO2AI652YPCG22Y/action/author_attestation","sign_citation":"https://pith.science/pith/3PPFP2R5M4BQO2AI652YPCG22Y/action/citation_signature","submit_replication":"https://pith.science/pith/3PPFP2R5M4BQO2AI652YPCG22Y/action/replication_record"}},"created_at":"2026-07-05T12:00:14.408309+00:00","updated_at":"2026-07-05T12:00:14.408309+00:00"}