{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:3SG4AGKSOOH7ZD466ZWCZJEV4U","short_pith_number":"pith:3SG4AGKS","schema_version":"1.0","canonical_sha256":"dc8dc01952738ffc8f9ef66c2ca495e5049628b52c1c905f8e4d85e150932592","source":{"kind":"arxiv","id":"astro-ph/0002440","version":1},"attestation_state":"computed","paper":{"title":"ISO spectroscopy of circumstellar dust in the Herbig Ae systems AB Aur and HD 163296","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"E.F. van Dishoeck, J. Bouwman, L.B.F.M. Waters, M.E. van den Ancker, P.R. Wesselius, S.M. Dougherty","submitted_at":"2000-02-23T22:28:03Z","abstract_excerpt":"Using both the Short- and Long-wavelength Spectrometers on board the Infrared Space Observatory (ISO), we have obtained infrared spectra of the Herbig Ae systems AB Aur and HD 163296. In addition, we obtained ground-based N band images of HD 163296. Our results can be summarized as follows: (1) The main dust components in AB Aur are amorphous silicates, iron oxide and PAHs; (2) The circumstellar dust in HD 163296 consists of amorphous silicates, iron oxide, water ice and a small fraction of crystalline silicates; (3) The infrared fluxes of HD 163296 are dominated by solid state features; (4) T"},"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/0002440","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-02-23T22:28:03Z","cross_cats_sorted":[],"title_canon_sha256":"9af9179c7582edf011758110c277b2726b00aae190b62c631b63a9b98e15a26f","abstract_canon_sha256":"da445ee44878a69af3a14c6f5571db9aedbf3af0813e2a4a858a34776db68d9b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:10:12.193856Z","signature_b64":"W8AOqjiJGK0Z+oQdz+n5VJ4I4GPkhQlEccwbrgmWyYtMdOOu5MzZcRprFdeC7krGK5Mr8CCH6EfeAz6JDTnADg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc8dc01952738ffc8f9ef66c2ca495e5049628b52c1c905f8e4d85e150932592","last_reissued_at":"2026-07-04T14:10:12.193428Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:10:12.193428Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"ISO spectroscopy of circumstellar dust in the Herbig Ae systems AB Aur and HD 163296","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"E.F. van Dishoeck, J. Bouwman, L.B.F.M. Waters, M.E. van den Ancker, P.R. Wesselius, S.M. Dougherty","submitted_at":"2000-02-23T22:28:03Z","abstract_excerpt":"Using both the Short- and Long-wavelength Spectrometers on board the Infrared Space Observatory (ISO), we have obtained infrared spectra of the Herbig Ae systems AB Aur and HD 163296. In addition, we obtained ground-based N band images of HD 163296. Our results can be summarized as follows: (1) The main dust components in AB Aur are amorphous silicates, iron oxide and PAHs; (2) The circumstellar dust in HD 163296 consists of amorphous silicates, iron oxide, water ice and a small fraction of crystalline silicates; (3) The infrared fluxes of HD 163296 are dominated by solid state features; (4) T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0002440","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/0002440/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/0002440","created_at":"2026-07-04T14:10:12.193481+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0002440v1","created_at":"2026-07-04T14:10:12.193481+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0002440","created_at":"2026-07-04T14:10:12.193481+00:00"},{"alias_kind":"pith_short_12","alias_value":"3SG4AGKSOOH7","created_at":"2026-07-04T14:10:12.193481+00:00"},{"alias_kind":"pith_short_16","alias_value":"3SG4AGKSOOH7ZD46","created_at":"2026-07-04T14:10:12.193481+00:00"},{"alias_kind":"pith_short_8","alias_value":"3SG4AGKS","created_at":"2026-07-04T14:10:12.193481+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":2,"sample":[{"citing_arxiv_id":"2606.21420","citing_title":"XP-TEAL: Gaia XP Tool for Emission and Absorption Lines II. Gaia-HELIX catalogue of H$\\alpha$ emitters in Gaia BP/RP spectra","ref_index":126,"is_internal_anchor":true},{"citing_arxiv_id":"2606.23815","citing_title":"Interpreting the scattering surface in protoplanetary disks","ref_index":31,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/3SG4AGKSOOH7ZD466ZWCZJEV4U","json":"https://pith.science/pith/3SG4AGKSOOH7ZD466ZWCZJEV4U.json","graph_json":"https://pith.science/api/pith-number/3SG4AGKSOOH7ZD466ZWCZJEV4U/graph.json","events_json":"https://pith.science/api/pith-number/3SG4AGKSOOH7ZD466ZWCZJEV4U/events.json","paper":"https://pith.science/paper/3SG4AGKS"},"agent_actions":{"view_html":"https://pith.science/pith/3SG4AGKSOOH7ZD466ZWCZJEV4U","download_json":"https://pith.science/pith/3SG4AGKSOOH7ZD466ZWCZJEV4U.json","view_paper":"https://pith.science/paper/3SG4AGKS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0002440&json=true","fetch_graph":"https://pith.science/api/pith-number/3SG4AGKSOOH7ZD466ZWCZJEV4U/graph.json","fetch_events":"https://pith.science/api/pith-number/3SG4AGKSOOH7ZD466ZWCZJEV4U/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3SG4AGKSOOH7ZD466ZWCZJEV4U/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3SG4AGKSOOH7ZD466ZWCZJEV4U/action/storage_attestation","attest_author":"https://pith.science/pith/3SG4AGKSOOH7ZD466ZWCZJEV4U/action/author_attestation","sign_citation":"https://pith.science/pith/3SG4AGKSOOH7ZD466ZWCZJEV4U/action/citation_signature","submit_replication":"https://pith.science/pith/3SG4AGKSOOH7ZD466ZWCZJEV4U/action/replication_record"}},"created_at":"2026-07-04T14:10:12.193481+00:00","updated_at":"2026-07-04T14:10:12.193481+00:00"}