{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2005:6FFVQMCSURT6LDO3CUXBGKJPHJ","short_pith_number":"pith:6FFVQMCS","schema_version":"1.0","canonical_sha256":"f14b583052a467e58ddb152e13292f3a50904b1b8808ca9bf9ea9fea30a6ace6","source":{"kind":"arxiv","id":"astro-ph/0503068","version":1},"attestation_state":"computed","paper":{"title":"Modeling optical properties of cosmic dust grains using a distribution of hollow spheres","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. de Koter, J.W. Hovenier, M. Min","submitted_at":"2005-03-03T12:35:15Z","abstract_excerpt":"In this paper we study the combined effects of size and shape of small solid state particles on the absorption, emission and scattering characteristics. We use the statistical approach to calculate these optical properties. In this approach the average optical properties of an ensemble of particles in random orientation are represented by the average optical properties of an ensemble of simple shapes. The validity of this approach is studied in detail for a uniform distribution of hollow spheres where the fractional volume of the central inclusion is varied. We apply the results to two differe"},"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":"astro-ph/0503068","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-03-03T12:35:15Z","cross_cats_sorted":[],"title_canon_sha256":"b76321d5d4dc16997d603229068b9eb154d53d24c5f9eb26002bb97403563472","abstract_canon_sha256":"9fedde10a65bcb7102e34b571698fe205421ca8312d3af00a7d73b6b91cbd719"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:50:55.872252Z","signature_b64":"vV1iaOmBTWwQ72W3unbMQf2GFjBHA7LVQNqOFX4FjtzjCsPQq0pqf/qGtJdwe7NlZOB8yjGpcvSVwUmNStnrAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f14b583052a467e58ddb152e13292f3a50904b1b8808ca9bf9ea9fea30a6ace6","last_reissued_at":"2026-07-04T16:50:55.871751Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:50:55.871751Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Modeling optical properties of cosmic dust grains using a distribution of hollow spheres","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. de Koter, J.W. Hovenier, M. Min","submitted_at":"2005-03-03T12:35:15Z","abstract_excerpt":"In this paper we study the combined effects of size and shape of small solid state particles on the absorption, emission and scattering characteristics. We use the statistical approach to calculate these optical properties. In this approach the average optical properties of an ensemble of particles in random orientation are represented by the average optical properties of an ensemble of simple shapes. The validity of this approach is studied in detail for a uniform distribution of hollow spheres where the fractional volume of the central inclusion is varied. We apply the results to two differe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0503068","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/astro-ph/0503068/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":"astro-ph/0503068","created_at":"2026-07-04T16:50:55.871807+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0503068v1","created_at":"2026-07-04T16:50:55.871807+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0503068","created_at":"2026-07-04T16:50:55.871807+00:00"},{"alias_kind":"pith_short_12","alias_value":"6FFVQMCSURT6","created_at":"2026-07-04T16:50:55.871807+00:00"},{"alias_kind":"pith_short_16","alias_value":"6FFVQMCSURT6LDO3","created_at":"2026-07-04T16:50:55.871807+00:00"},{"alias_kind":"pith_short_8","alias_value":"6FFVQMCS","created_at":"2026-07-04T16:50:55.871807+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.11344","citing_title":"Planet formation at the inner edge of the dead zone II. Outbursts, rings, vortices, and suppression of planetesimal formation","ref_index":210,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6FFVQMCSURT6LDO3CUXBGKJPHJ","json":"https://pith.science/pith/6FFVQMCSURT6LDO3CUXBGKJPHJ.json","graph_json":"https://pith.science/api/pith-number/6FFVQMCSURT6LDO3CUXBGKJPHJ/graph.json","events_json":"https://pith.science/api/pith-number/6FFVQMCSURT6LDO3CUXBGKJPHJ/events.json","paper":"https://pith.science/paper/6FFVQMCS"},"agent_actions":{"view_html":"https://pith.science/pith/6FFVQMCSURT6LDO3CUXBGKJPHJ","download_json":"https://pith.science/pith/6FFVQMCSURT6LDO3CUXBGKJPHJ.json","view_paper":"https://pith.science/paper/6FFVQMCS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0503068&json=true","fetch_graph":"https://pith.science/api/pith-number/6FFVQMCSURT6LDO3CUXBGKJPHJ/graph.json","fetch_events":"https://pith.science/api/pith-number/6FFVQMCSURT6LDO3CUXBGKJPHJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6FFVQMCSURT6LDO3CUXBGKJPHJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6FFVQMCSURT6LDO3CUXBGKJPHJ/action/storage_attestation","attest_author":"https://pith.science/pith/6FFVQMCSURT6LDO3CUXBGKJPHJ/action/author_attestation","sign_citation":"https://pith.science/pith/6FFVQMCSURT6LDO3CUXBGKJPHJ/action/citation_signature","submit_replication":"https://pith.science/pith/6FFVQMCSURT6LDO3CUXBGKJPHJ/action/replication_record"}},"created_at":"2026-07-04T16:50:55.871807+00:00","updated_at":"2026-07-04T16:50:55.871807+00:00"}