{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:QVOM5OBLRTUJF2RP5C7U5SBA7Y","short_pith_number":"pith:QVOM5OBL","schema_version":"1.0","canonical_sha256":"855cceb82b8ce892ea2fe8bf4ec820fe23024f64060242cbba165e7cc33e5347","source":{"kind":"arxiv","id":"1311.1228","version":1},"attestation_state":"computed","paper":{"title":"The Atomic and Molecular Content of Disks Around Very Low-mass Stars and Brown Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Greg Herczeg (Kavli Institute), Ilaria Pascucci (LPL), John Carr (NRL), Simon Bruderer (MPE)","submitted_at":"2013-11-05T21:44:00Z","abstract_excerpt":"There is growing observational evidence that disk evolution is stellar-mass dependent. Here, we show that these dependencies extend to the atomic and molecular content of disk atmospheres. We analyze a unique dataset of high-resolution Spitzer/IRS spectra from 8 very low-mass star and brown dwarf disks. We report the first detections of Ne+, H2, CO2, and tentative detections of H2O toward these faint and low-mass disks. Two of our [NeII] 12.81 micron emission lines likely trace the hot (>5,000 K) disk surface irradiated by X-ray photons from the central stellar/sub-stellar object. The H2 S(2) "},"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":"1311.1228","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-11-05T21:44:00Z","cross_cats_sorted":[],"title_canon_sha256":"9715f2fb3e5ae7047ef266878ed2fc9350fbe0b2b09c864b4685cc7a0066c5b1","abstract_canon_sha256":"f78e9b39509387a35890990a4a2dd7d50a78e3a8bcd4bbea68ad777d8549c4b4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:38.549498Z","signature_b64":"DyTkYre/0MTTawnHDKTukVCSWczC1iytOZL+ZBbieCy5HWnPtj7p76+vlkcLBs1e6VpQcJOFMLM/OzlTZoHiAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"855cceb82b8ce892ea2fe8bf4ec820fe23024f64060242cbba165e7cc33e5347","last_reissued_at":"2026-05-18T01:46:38.548912Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:38.548912Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Atomic and Molecular Content of Disks Around Very Low-mass Stars and Brown Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Greg Herczeg (Kavli Institute), Ilaria Pascucci (LPL), John Carr (NRL), Simon Bruderer (MPE)","submitted_at":"2013-11-05T21:44:00Z","abstract_excerpt":"There is growing observational evidence that disk evolution is stellar-mass dependent. Here, we show that these dependencies extend to the atomic and molecular content of disk atmospheres. We analyze a unique dataset of high-resolution Spitzer/IRS spectra from 8 very low-mass star and brown dwarf disks. We report the first detections of Ne+, H2, CO2, and tentative detections of H2O toward these faint and low-mass disks. Two of our [NeII] 12.81 micron emission lines likely trace the hot (>5,000 K) disk surface irradiated by X-ray photons from the central stellar/sub-stellar object. The H2 S(2) "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.1228","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":"1311.1228","created_at":"2026-05-18T01:46:38.548989+00:00"},{"alias_kind":"arxiv_version","alias_value":"1311.1228v1","created_at":"2026-05-18T01:46:38.548989+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.1228","created_at":"2026-05-18T01:46:38.548989+00:00"},{"alias_kind":"pith_short_12","alias_value":"QVOM5OBLRTUJ","created_at":"2026-05-18T12:27:57.521954+00:00"},{"alias_kind":"pith_short_16","alias_value":"QVOM5OBLRTUJF2RP","created_at":"2026-05-18T12:27:57.521954+00:00"},{"alias_kind":"pith_short_8","alias_value":"QVOM5OBL","created_at":"2026-05-18T12:27:57.521954+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2606.27477","citing_title":"From Young to Older Disks: JWST/MIRI Evidence for Fading Molecular Emission and Hints for Elevated C/O in Upper Scorpius","ref_index":64,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/QVOM5OBLRTUJF2RP5C7U5SBA7Y","json":"https://pith.science/pith/QVOM5OBLRTUJF2RP5C7U5SBA7Y.json","graph_json":"https://pith.science/api/pith-number/QVOM5OBLRTUJF2RP5C7U5SBA7Y/graph.json","events_json":"https://pith.science/api/pith-number/QVOM5OBLRTUJF2RP5C7U5SBA7Y/events.json","paper":"https://pith.science/paper/QVOM5OBL"},"agent_actions":{"view_html":"https://pith.science/pith/QVOM5OBLRTUJF2RP5C7U5SBA7Y","download_json":"https://pith.science/pith/QVOM5OBLRTUJF2RP5C7U5SBA7Y.json","view_paper":"https://pith.science/paper/QVOM5OBL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1311.1228&json=true","fetch_graph":"https://pith.science/api/pith-number/QVOM5OBLRTUJF2RP5C7U5SBA7Y/graph.json","fetch_events":"https://pith.science/api/pith-number/QVOM5OBLRTUJF2RP5C7U5SBA7Y/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/QVOM5OBLRTUJF2RP5C7U5SBA7Y/action/timestamp_anchor","attest_storage":"https://pith.science/pith/QVOM5OBLRTUJF2RP5C7U5SBA7Y/action/storage_attestation","attest_author":"https://pith.science/pith/QVOM5OBLRTUJF2RP5C7U5SBA7Y/action/author_attestation","sign_citation":"https://pith.science/pith/QVOM5OBLRTUJF2RP5C7U5SBA7Y/action/citation_signature","submit_replication":"https://pith.science/pith/QVOM5OBLRTUJF2RP5C7U5SBA7Y/action/replication_record"}},"created_at":"2026-05-18T01:46:38.548989+00:00","updated_at":"2026-05-18T01:46:38.548989+00:00"}