{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:JWGDWZ6S23ERXPLEIHHJ2BEAM3","short_pith_number":"pith:JWGDWZ6S","schema_version":"1.0","canonical_sha256":"4d8c3b67d2d6c91bbd6441ce9d048066cd02f1a0330c929ae2e36a9227566bc4","source":{"kind":"arxiv","id":"2401.09522","version":1},"attestation_state":"computed","paper":{"title":"The 2022-2023 accretion outburst of the young star V1741 Sgr","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"(2) Caltech, (3) University of Hawaii, (4) UCLA, (5) AAVSO, (6) Universit\\'e Clermont Auvergne, (7) MIT), Adolfo S. Carvalho (2), Bart Staels (5), Christoffer Fremling (2), Ellen Lee (3), Emille E. O. Ishida (6), Kishalay De (7), Lynne A. Hillenbrand (2), Mansi Kasliwal (2) ((1) University of Hertfordshire, Michael A. Kuhn (1), Michael S. Connelley (3), Philip W. Lucas (1), Rafael S. de Souza (1), R. Michael Rich (4), Tom\\'as Ahumada (2), Viraj R. Karambelkar (2)","submitted_at":"2024-01-17T19:00:00Z","abstract_excerpt":"V1741 Sgr (= SPICY 71482/Gaia22dtk) is a Classical T Tauri star on the outskirts of the Lagoon Nebula. After at least a decade of stability, in mid-2022, the optical source brightened by ~3 mag over two months, remained bright until early 2023, then dimmed erratically over the next four months. This event was monitored with optical and infrared spectroscopy and photometry. Spectra from the peak (October 2022) indicate an EX Lup-type (EXor) accretion outburst, with strong emission from H I, He I, and Ca II lines and CO bands. At this stage, spectroscopic absorption features indicated a temperat"},"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":"2401.09522","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-01-17T19:00:00Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"4448158ef9d18a7cfc89693c4c0dcca10537e41d7e7a82d6fcf59d1a295024af","abstract_canon_sha256":"c7f66822e41a87a24a00fbfd6391bf4fe5e662cf89eb163f713badd31097f5d0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:34:57.773866Z","signature_b64":"3jtRk7FDbvi62YLNCCSFIYFmzEUafRZiAThwie1uOO/xxdNB39hOX5wr6Lidz/czrx9foc7PaujNs9QjnqoBCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d8c3b67d2d6c91bbd6441ce9d048066cd02f1a0330c929ae2e36a9227566bc4","last_reissued_at":"2026-07-05T07:34:57.773448Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:34:57.773448Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The 2022-2023 accretion outburst of the young star V1741 Sgr","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"(2) Caltech, (3) University of Hawaii, (4) UCLA, (5) AAVSO, (6) Universit\\'e Clermont Auvergne, (7) MIT), Adolfo S. Carvalho (2), Bart Staels (5), Christoffer Fremling (2), Ellen Lee (3), Emille E. O. Ishida (6), Kishalay De (7), Lynne A. Hillenbrand (2), Mansi Kasliwal (2) ((1) University of Hertfordshire, Michael A. Kuhn (1), Michael S. Connelley (3), Philip W. Lucas (1), Rafael S. de Souza (1), R. Michael Rich (4), Tom\\'as Ahumada (2), Viraj R. Karambelkar (2)","submitted_at":"2024-01-17T19:00:00Z","abstract_excerpt":"V1741 Sgr (= SPICY 71482/Gaia22dtk) is a Classical T Tauri star on the outskirts of the Lagoon Nebula. After at least a decade of stability, in mid-2022, the optical source brightened by ~3 mag over two months, remained bright until early 2023, then dimmed erratically over the next four months. This event was monitored with optical and infrared spectroscopy and photometry. Spectra from the peak (October 2022) indicate an EX Lup-type (EXor) accretion outburst, with strong emission from H I, He I, and Ca II lines and CO bands. At this stage, spectroscopic absorption features indicated a temperat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.09522","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/2401.09522/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":"2401.09522","created_at":"2026-07-05T07:34:57.773521+00:00"},{"alias_kind":"arxiv_version","alias_value":"2401.09522v1","created_at":"2026-07-05T07:34:57.773521+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.09522","created_at":"2026-07-05T07:34:57.773521+00:00"},{"alias_kind":"pith_short_12","alias_value":"JWGDWZ6S23ER","created_at":"2026-07-05T07:34:57.773521+00:00"},{"alias_kind":"pith_short_16","alias_value":"JWGDWZ6S23ERXPLE","created_at":"2026-07-05T07:34:57.773521+00:00"},{"alias_kind":"pith_short_8","alias_value":"JWGDWZ6S","created_at":"2026-07-05T07:34:57.773521+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/JWGDWZ6S23ERXPLEIHHJ2BEAM3","json":"https://pith.science/pith/JWGDWZ6S23ERXPLEIHHJ2BEAM3.json","graph_json":"https://pith.science/api/pith-number/JWGDWZ6S23ERXPLEIHHJ2BEAM3/graph.json","events_json":"https://pith.science/api/pith-number/JWGDWZ6S23ERXPLEIHHJ2BEAM3/events.json","paper":"https://pith.science/paper/JWGDWZ6S"},"agent_actions":{"view_html":"https://pith.science/pith/JWGDWZ6S23ERXPLEIHHJ2BEAM3","download_json":"https://pith.science/pith/JWGDWZ6S23ERXPLEIHHJ2BEAM3.json","view_paper":"https://pith.science/paper/JWGDWZ6S","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2401.09522&json=true","fetch_graph":"https://pith.science/api/pith-number/JWGDWZ6S23ERXPLEIHHJ2BEAM3/graph.json","fetch_events":"https://pith.science/api/pith-number/JWGDWZ6S23ERXPLEIHHJ2BEAM3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JWGDWZ6S23ERXPLEIHHJ2BEAM3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JWGDWZ6S23ERXPLEIHHJ2BEAM3/action/storage_attestation","attest_author":"https://pith.science/pith/JWGDWZ6S23ERXPLEIHHJ2BEAM3/action/author_attestation","sign_citation":"https://pith.science/pith/JWGDWZ6S23ERXPLEIHHJ2BEAM3/action/citation_signature","submit_replication":"https://pith.science/pith/JWGDWZ6S23ERXPLEIHHJ2BEAM3/action/replication_record"}},"created_at":"2026-07-05T07:34:57.773521+00:00","updated_at":"2026-07-05T07:34:57.773521+00:00"}