{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:XOHNTIGN2E3C3S6YPJQOSUICED","short_pith_number":"pith:XOHNTIGN","schema_version":"1.0","canonical_sha256":"bb8ed9a0cdd1362dcbd87a60e9510220eccf2eda078997588308d5fc77084934","source":{"kind":"arxiv","id":"1609.01765","version":1},"attestation_state":"computed","paper":{"title":"The Mid-Infrared Evolution of the FU Orionis Disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Benjamin A. Sargent, Charles A. Poteet, Joel D. Green, Luisa M. Rebull, Luke D. Keller, Neal J. Evans II, Olivia C. Jones, William J. Fischer, Yao-Lun Yang","submitted_at":"2016-09-06T21:12:48Z","abstract_excerpt":"We present new SOFIA-FORCAST observations obtained in Feburary 2016 of the archetypal outbursting low mass young stellar object FU Orionis, and compare the continuum, solid state, and gas properties with mid-IR data obtained at the same wavelengths in 2004 with Spitzer-IRS. In this study, we conduct the first mid-IR spectroscopic comparison of an FUor over a long time period. Over a 12 year period, UBVR monitoring indicates that FU Orionis has continued its steady decrease in overall brightness by ~ 14%. We find that this decrease in luminosity occurs only at wavelengths < 20 microns. In parti"},"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":"1609.01765","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-09-06T21:12:48Z","cross_cats_sorted":[],"title_canon_sha256":"0b4d87a2609ade393b2261b40cff8c144e9cf13b671cd6ab1eeab0b531acebd7","abstract_canon_sha256":"7895ea932efb32424f2a06212c98b26b934e757763da9d117fb49790109ff8a0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:59:19.420733Z","signature_b64":"jynmfAFFiH6c0hihz82izhtQzU5bAIqqrfa9lFtI4ZTZV+pbBSh0m8iBCF1CnbYPU0xlkOT0/vsDz+DJKyPTDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb8ed9a0cdd1362dcbd87a60e9510220eccf2eda078997588308d5fc77084934","last_reissued_at":"2026-05-18T00:59:19.419938Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:59:19.419938Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Mid-Infrared Evolution of the FU Orionis Disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Benjamin A. Sargent, Charles A. Poteet, Joel D. Green, Luisa M. Rebull, Luke D. Keller, Neal J. Evans II, Olivia C. Jones, William J. Fischer, Yao-Lun Yang","submitted_at":"2016-09-06T21:12:48Z","abstract_excerpt":"We present new SOFIA-FORCAST observations obtained in Feburary 2016 of the archetypal outbursting low mass young stellar object FU Orionis, and compare the continuum, solid state, and gas properties with mid-IR data obtained at the same wavelengths in 2004 with Spitzer-IRS. In this study, we conduct the first mid-IR spectroscopic comparison of an FUor over a long time period. Over a 12 year period, UBVR monitoring indicates that FU Orionis has continued its steady decrease in overall brightness by ~ 14%. We find that this decrease in luminosity occurs only at wavelengths < 20 microns. In parti"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.01765","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":"1609.01765","created_at":"2026-05-18T00:59:19.420073+00:00"},{"alias_kind":"arxiv_version","alias_value":"1609.01765v1","created_at":"2026-05-18T00:59:19.420073+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.01765","created_at":"2026-05-18T00:59:19.420073+00:00"},{"alias_kind":"pith_short_12","alias_value":"XOHNTIGN2E3C","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_16","alias_value":"XOHNTIGN2E3C3S6Y","created_at":"2026-05-18T12:30:51.357362+00:00"},{"alias_kind":"pith_short_8","alias_value":"XOHNTIGN","created_at":"2026-05-18T12:30:51.357362+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/XOHNTIGN2E3C3S6YPJQOSUICED","json":"https://pith.science/pith/XOHNTIGN2E3C3S6YPJQOSUICED.json","graph_json":"https://pith.science/api/pith-number/XOHNTIGN2E3C3S6YPJQOSUICED/graph.json","events_json":"https://pith.science/api/pith-number/XOHNTIGN2E3C3S6YPJQOSUICED/events.json","paper":"https://pith.science/paper/XOHNTIGN"},"agent_actions":{"view_html":"https://pith.science/pith/XOHNTIGN2E3C3S6YPJQOSUICED","download_json":"https://pith.science/pith/XOHNTIGN2E3C3S6YPJQOSUICED.json","view_paper":"https://pith.science/paper/XOHNTIGN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1609.01765&json=true","fetch_graph":"https://pith.science/api/pith-number/XOHNTIGN2E3C3S6YPJQOSUICED/graph.json","fetch_events":"https://pith.science/api/pith-number/XOHNTIGN2E3C3S6YPJQOSUICED/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/XOHNTIGN2E3C3S6YPJQOSUICED/action/timestamp_anchor","attest_storage":"https://pith.science/pith/XOHNTIGN2E3C3S6YPJQOSUICED/action/storage_attestation","attest_author":"https://pith.science/pith/XOHNTIGN2E3C3S6YPJQOSUICED/action/author_attestation","sign_citation":"https://pith.science/pith/XOHNTIGN2E3C3S6YPJQOSUICED/action/citation_signature","submit_replication":"https://pith.science/pith/XOHNTIGN2E3C3S6YPJQOSUICED/action/replication_record"}},"created_at":"2026-05-18T00:59:19.420073+00:00","updated_at":"2026-05-18T00:59:19.420073+00:00"}