{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:ELHZG3E7U7WGGA26VTOOSFWHNI","short_pith_number":"pith:ELHZG3E7","schema_version":"1.0","canonical_sha256":"22cf936c9fa7ec63035eacdce916c76a3a4deb9f24625a4e93336bc5b0795725","source":{"kind":"arxiv","id":"1909.00652","version":1},"attestation_state":"computed","paper":{"title":"Interstellar dust along the line of sight of GX 3+1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","cond-mat.mtrl-sci"],"primary_cat":"astro-ph.GA","authors_text":"2), (2) Anton Pannekoek Astronomical Institute, C.P. de Vries, D. Rogantini (1, E. Costantini, F. de Groot, H. Mutschke, I. Psaradaki, L.B.F.M. Waters ((1) SRON Netherlands Institute for Space Research, M. Mehdipour, S.T. Zeegers, the Netherlands), The Netherlands, University of Amsterdam","submitted_at":"2019-09-02T10:31:39Z","abstract_excerpt":"Studying absorption and scattering of X-ray radiation by interstellar dust grains allows us to access the physical and chemical properties of cosmic grains even in the densest regions of the Galaxy. We aim at characterising the dust silicate population which presents clear absorption features in the energy band covered by the Chandra X-ray Observatory. Through these absorption features, in principle, it is possible to infer the size distribution, composition, and structure of silicate in the interstellar medium. In particular, in this work, we investigate the magnesium and silicon K-edges. By "},"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":"1909.00652","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-09-02T10:31:39Z","cross_cats_sorted":["astro-ph.HE","cond-mat.mtrl-sci"],"title_canon_sha256":"7c2d99b3355168aa21986a61ed004286702e928a09aa76b3df80b273363d7856","abstract_canon_sha256":"640d73283a0448c67585b8d505ff53b97e98982bffc3a797e58f234ca6af56a3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:10:43.043608Z","signature_b64":"lT4pjZ1Ln7uLqdeXTmW5Cep8G38jlUv1v3rSDGbpjARG+e4YpvK/NJLcX3Djc1u/UXl5Uy788Todi4XqZi7JBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"22cf936c9fa7ec63035eacdce916c76a3a4deb9f24625a4e93336bc5b0795725","last_reissued_at":"2026-07-05T00:10:43.043163Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:10:43.043163Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Interstellar dust along the line of sight of GX 3+1","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","cond-mat.mtrl-sci"],"primary_cat":"astro-ph.GA","authors_text":"2), (2) Anton Pannekoek Astronomical Institute, C.P. de Vries, D. Rogantini (1, E. Costantini, F. de Groot, H. Mutschke, I. Psaradaki, L.B.F.M. Waters ((1) SRON Netherlands Institute for Space Research, M. Mehdipour, S.T. Zeegers, the Netherlands), The Netherlands, University of Amsterdam","submitted_at":"2019-09-02T10:31:39Z","abstract_excerpt":"Studying absorption and scattering of X-ray radiation by interstellar dust grains allows us to access the physical and chemical properties of cosmic grains even in the densest regions of the Galaxy. We aim at characterising the dust silicate population which presents clear absorption features in the energy band covered by the Chandra X-ray Observatory. Through these absorption features, in principle, it is possible to infer the size distribution, composition, and structure of silicate in the interstellar medium. In particular, in this work, we investigate the magnesium and silicon K-edges. By "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.00652","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/1909.00652/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":"1909.00652","created_at":"2026-07-05T00:10:43.043220+00:00"},{"alias_kind":"arxiv_version","alias_value":"1909.00652v1","created_at":"2026-07-05T00:10:43.043220+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.00652","created_at":"2026-07-05T00:10:43.043220+00:00"},{"alias_kind":"pith_short_12","alias_value":"ELHZG3E7U7WG","created_at":"2026-07-05T00:10:43.043220+00:00"},{"alias_kind":"pith_short_16","alias_value":"ELHZG3E7U7WGGA26","created_at":"2026-07-05T00:10:43.043220+00:00"},{"alias_kind":"pith_short_8","alias_value":"ELHZG3E7","created_at":"2026-07-05T00:10:43.043220+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/ELHZG3E7U7WGGA26VTOOSFWHNI","json":"https://pith.science/pith/ELHZG3E7U7WGGA26VTOOSFWHNI.json","graph_json":"https://pith.science/api/pith-number/ELHZG3E7U7WGGA26VTOOSFWHNI/graph.json","events_json":"https://pith.science/api/pith-number/ELHZG3E7U7WGGA26VTOOSFWHNI/events.json","paper":"https://pith.science/paper/ELHZG3E7"},"agent_actions":{"view_html":"https://pith.science/pith/ELHZG3E7U7WGGA26VTOOSFWHNI","download_json":"https://pith.science/pith/ELHZG3E7U7WGGA26VTOOSFWHNI.json","view_paper":"https://pith.science/paper/ELHZG3E7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1909.00652&json=true","fetch_graph":"https://pith.science/api/pith-number/ELHZG3E7U7WGGA26VTOOSFWHNI/graph.json","fetch_events":"https://pith.science/api/pith-number/ELHZG3E7U7WGGA26VTOOSFWHNI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ELHZG3E7U7WGGA26VTOOSFWHNI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ELHZG3E7U7WGGA26VTOOSFWHNI/action/storage_attestation","attest_author":"https://pith.science/pith/ELHZG3E7U7WGGA26VTOOSFWHNI/action/author_attestation","sign_citation":"https://pith.science/pith/ELHZG3E7U7WGGA26VTOOSFWHNI/action/citation_signature","submit_replication":"https://pith.science/pith/ELHZG3E7U7WGGA26VTOOSFWHNI/action/replication_record"}},"created_at":"2026-07-05T00:10:43.043220+00:00","updated_at":"2026-07-05T00:10:43.043220+00:00"}