{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:FSTNEYLI2G4YVYGWEMNQKMFFV6","short_pith_number":"pith:FSTNEYLI","schema_version":"1.0","canonical_sha256":"2ca6d26168d1b98ae0d6231b0530a5af9ff128eea595b8ece71b8cd50b7a3fb6","source":{"kind":"arxiv","id":"1709.03994","version":1},"attestation_state":"computed","paper":{"title":"Medium resolution near-infrared spectroscopy of Massive Young Stellar Objects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"I. Mendigutia, M. G. Hoare, R. D. Oudmaijer, R. Pomohaci, S. L. Lumsden","submitted_at":"2017-09-12T18:00:29Z","abstract_excerpt":"We present medium-resolution (R~7000) near-infrared echelle spectroscopic data for 36 MYSOs drawn from the Red MSX Source (RMS) survey. This is the largest sample observed at this resolution at these wavelengths of MYSOs to date. The spectra are characterized mostly by emission from hydrogen recombination lines and accretion diagnostic lines. One MYSO shows photospheric HI absorption, a comparison with spectral standards indicates that the star is an A type star with a low surface gravity, implying that the MYSOs are probably swollen, as also suggested by evolutionary calculations. An investig"},"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":"1709.03994","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-09-12T18:00:29Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"633a084366f8917e9c5e832fd5209a041e9323c0ff6a6843c7564b1ef48e61b5","abstract_canon_sha256":"8b02e18b4233490142eb4926972cdfd29a95b00c87a4156b9a3faf10ee324a72"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:35:15.734016Z","signature_b64":"c1GxZKWsev+TkESPK7pThx/DspZdDuWcCEAkSRHuYBXj6d6klKgYHkVK8uDl8vxPSgQpMqzcF7UWmUDNz4tJDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ca6d26168d1b98ae0d6231b0530a5af9ff128eea595b8ece71b8cd50b7a3fb6","last_reissued_at":"2026-05-18T00:35:15.733476Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:35:15.733476Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Medium resolution near-infrared spectroscopy of Massive Young Stellar Objects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"I. Mendigutia, M. G. Hoare, R. D. Oudmaijer, R. Pomohaci, S. L. Lumsden","submitted_at":"2017-09-12T18:00:29Z","abstract_excerpt":"We present medium-resolution (R~7000) near-infrared echelle spectroscopic data for 36 MYSOs drawn from the Red MSX Source (RMS) survey. This is the largest sample observed at this resolution at these wavelengths of MYSOs to date. The spectra are characterized mostly by emission from hydrogen recombination lines and accretion diagnostic lines. One MYSO shows photospheric HI absorption, a comparison with spectral standards indicates that the star is an A type star with a low surface gravity, implying that the MYSOs are probably swollen, as also suggested by evolutionary calculations. An investig"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.03994","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":"1709.03994","created_at":"2026-05-18T00:35:15.733552+00:00"},{"alias_kind":"arxiv_version","alias_value":"1709.03994v1","created_at":"2026-05-18T00:35:15.733552+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.03994","created_at":"2026-05-18T00:35:15.733552+00:00"},{"alias_kind":"pith_short_12","alias_value":"FSTNEYLI2G4Y","created_at":"2026-05-18T12:31:15.632608+00:00"},{"alias_kind":"pith_short_16","alias_value":"FSTNEYLI2G4YVYGW","created_at":"2026-05-18T12:31:15.632608+00:00"},{"alias_kind":"pith_short_8","alias_value":"FSTNEYLI","created_at":"2026-05-18T12:31:15.632608+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/FSTNEYLI2G4YVYGWEMNQKMFFV6","json":"https://pith.science/pith/FSTNEYLI2G4YVYGWEMNQKMFFV6.json","graph_json":"https://pith.science/api/pith-number/FSTNEYLI2G4YVYGWEMNQKMFFV6/graph.json","events_json":"https://pith.science/api/pith-number/FSTNEYLI2G4YVYGWEMNQKMFFV6/events.json","paper":"https://pith.science/paper/FSTNEYLI"},"agent_actions":{"view_html":"https://pith.science/pith/FSTNEYLI2G4YVYGWEMNQKMFFV6","download_json":"https://pith.science/pith/FSTNEYLI2G4YVYGWEMNQKMFFV6.json","view_paper":"https://pith.science/paper/FSTNEYLI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1709.03994&json=true","fetch_graph":"https://pith.science/api/pith-number/FSTNEYLI2G4YVYGWEMNQKMFFV6/graph.json","fetch_events":"https://pith.science/api/pith-number/FSTNEYLI2G4YVYGWEMNQKMFFV6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FSTNEYLI2G4YVYGWEMNQKMFFV6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FSTNEYLI2G4YVYGWEMNQKMFFV6/action/storage_attestation","attest_author":"https://pith.science/pith/FSTNEYLI2G4YVYGWEMNQKMFFV6/action/author_attestation","sign_citation":"https://pith.science/pith/FSTNEYLI2G4YVYGWEMNQKMFFV6/action/citation_signature","submit_replication":"https://pith.science/pith/FSTNEYLI2G4YVYGWEMNQKMFFV6/action/replication_record"}},"created_at":"2026-05-18T00:35:15.733552+00:00","updated_at":"2026-05-18T00:35:15.733552+00:00"}