{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1997:H7VYDBQU2Z7Z5SB5HOADEVXSVI","short_pith_number":"pith:H7VYDBQU","schema_version":"1.0","canonical_sha256":"3feb818614d67f9ec83d3b803256f2aa13414e484c402a16374a9f27c7087728","source":{"kind":"arxiv","id":"astro-ph/9708197","version":1},"attestation_state":"computed","paper":{"title":"On the Dust Extinction in High-z Galaxies and the Case of Extremely Red Objects","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andrea Cimatti (Arcetri), Carlo Giovanardi (Arcetri), Simone Bianchi (Arcetri & Cardiff) Andrea Ferrara (Arcetri)","submitted_at":"1997-08-21T12:30:08Z","abstract_excerpt":"We present the preliminary results of Monte Carlo simulations aimed to investigate the effects of realistic dust extinction (absorption + scattering) on the colours of high-z galaxies. In this paper, we concentrate on the case of spheroidal galaxies, and we obtain attenuation curves in the range 0.1-1.2$\\mu$m for different dust spatial distributions, and for a range of values of the dust optical depth, geometrical thickness and inclination of the dust disk. We find that the resultant curves are strongly dependent on the dust geometrical distribution and optical depth. A serendipitous finding i"},"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/9708197","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-08-21T12:30:08Z","cross_cats_sorted":[],"title_canon_sha256":"81c7647def055d9ee0ee134e00f9945e7eae731fa5c28fb08933ffa434af2435","abstract_canon_sha256":"66cbcf5a94c75d7123744e22200a81e377b3e6ac2659299562802ba4a9de1e2b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:22:58.648709Z","signature_b64":"E99XXBZaTu82STvrpl0pU77I0CBn9f0drgqhxOeI8/wqbfVeVMQUym3Okjki3TfWMT3afXtMQTd3Dw72vUa/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3feb818614d67f9ec83d3b803256f2aa13414e484c402a16374a9f27c7087728","last_reissued_at":"2026-05-18T01:22:58.648059Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:22:58.648059Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Dust Extinction in High-z Galaxies and the Case of Extremely Red Objects","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andrea Cimatti (Arcetri), Carlo Giovanardi (Arcetri), Simone Bianchi (Arcetri & Cardiff) Andrea Ferrara (Arcetri)","submitted_at":"1997-08-21T12:30:08Z","abstract_excerpt":"We present the preliminary results of Monte Carlo simulations aimed to investigate the effects of realistic dust extinction (absorption + scattering) on the colours of high-z galaxies. In this paper, we concentrate on the case of spheroidal galaxies, and we obtain attenuation curves in the range 0.1-1.2$\\mu$m for different dust spatial distributions, and for a range of values of the dust optical depth, geometrical thickness and inclination of the dust disk. We find that the resultant curves are strongly dependent on the dust geometrical distribution and optical depth. A serendipitous finding i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9708197","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":""},"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/9708197","created_at":"2026-05-18T01:22:58.648186+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9708197v1","created_at":"2026-05-18T01:22:58.648186+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9708197","created_at":"2026-05-18T01:22:58.648186+00:00"},{"alias_kind":"pith_short_12","alias_value":"H7VYDBQU2Z7Z","created_at":"2026-05-18T12:25:48.327863+00:00"},{"alias_kind":"pith_short_16","alias_value":"H7VYDBQU2Z7Z5SB5","created_at":"2026-05-18T12:25:48.327863+00:00"},{"alias_kind":"pith_short_8","alias_value":"H7VYDBQU","created_at":"2026-05-18T12:25:48.327863+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/H7VYDBQU2Z7Z5SB5HOADEVXSVI","json":"https://pith.science/pith/H7VYDBQU2Z7Z5SB5HOADEVXSVI.json","graph_json":"https://pith.science/api/pith-number/H7VYDBQU2Z7Z5SB5HOADEVXSVI/graph.json","events_json":"https://pith.science/api/pith-number/H7VYDBQU2Z7Z5SB5HOADEVXSVI/events.json","paper":"https://pith.science/paper/H7VYDBQU"},"agent_actions":{"view_html":"https://pith.science/pith/H7VYDBQU2Z7Z5SB5HOADEVXSVI","download_json":"https://pith.science/pith/H7VYDBQU2Z7Z5SB5HOADEVXSVI.json","view_paper":"https://pith.science/paper/H7VYDBQU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9708197&json=true","fetch_graph":"https://pith.science/api/pith-number/H7VYDBQU2Z7Z5SB5HOADEVXSVI/graph.json","fetch_events":"https://pith.science/api/pith-number/H7VYDBQU2Z7Z5SB5HOADEVXSVI/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/H7VYDBQU2Z7Z5SB5HOADEVXSVI/action/timestamp_anchor","attest_storage":"https://pith.science/pith/H7VYDBQU2Z7Z5SB5HOADEVXSVI/action/storage_attestation","attest_author":"https://pith.science/pith/H7VYDBQU2Z7Z5SB5HOADEVXSVI/action/author_attestation","sign_citation":"https://pith.science/pith/H7VYDBQU2Z7Z5SB5HOADEVXSVI/action/citation_signature","submit_replication":"https://pith.science/pith/H7VYDBQU2Z7Z5SB5HOADEVXSVI/action/replication_record"}},"created_at":"2026-05-18T01:22:58.648186+00:00","updated_at":"2026-05-18T01:22:58.648186+00:00"}