{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:MEB3R3IBIQ2PIY23TLXCNG5MQU","short_pith_number":"pith:MEB3R3IB","schema_version":"1.0","canonical_sha256":"6103b8ed014434f4635b9aee269bac852e763f24e967876b8c738176b1ba2251","source":{"kind":"arxiv","id":"2202.01234","version":3},"attestation_state":"computed","paper":{"title":"Identification and spectroscopic characterization of 128 new Herbig stars","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Chumpon Wichittanakom, Daniela Iglesias, Deborah Baines, Ignacio Mendigut\\'ia, James Miley, Miguel Vioque, Olja Pani\\'c, Ren\\'e D. Oudmaijer, Ricardo P\\'erez-Mart\\'inez","submitted_at":"2022-02-02T19:00:04Z","abstract_excerpt":"We present optical spectroscopy observations of 145 high-mass pre-main sequence candidates from the catalogue of Vioque et al. (2020). From these, we provide evidence for the Herbig nature of 128 sources. This increases the number of known objects of the class by $\\sim50\\%$. We determine the stellar parameters of these sources using the spectra and Gaia EDR3 data. The new sources are well distributed in mass and age, with 23 sources between $4$-$8$ M$_{\\odot}$ and 32 sources above $8$ M$_{\\odot}$. Accretion rates are inferred from H$\\alpha$ and H$\\beta$ luminosities for 104 of the new Herbigs."},"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":"2202.01234","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-02-02T19:00:04Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"6b213f30db2862e98d87c79ce00e62f4813fa6ffe1ff3464056979a96ac3f244","abstract_canon_sha256":"6dfa66f97f55a29ddc33bba16cbd71613c1e857dd34cd344c563d1a887e99c7b"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:21:09.527211Z","signature_b64":"KEwAbIr+aSliCle16UdIqKlxAN7DTaWNHMlNCbfhzCnxkh4BBy5Hirg4CSo+XgIRmmj+ezU8ktNN/gTVD4p9Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6103b8ed014434f4635b9aee269bac852e763f24e967876b8c738176b1ba2251","last_reissued_at":"2026-07-05T04:21:09.526778Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:21:09.526778Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Identification and spectroscopic characterization of 128 new Herbig stars","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Chumpon Wichittanakom, Daniela Iglesias, Deborah Baines, Ignacio Mendigut\\'ia, James Miley, Miguel Vioque, Olja Pani\\'c, Ren\\'e D. Oudmaijer, Ricardo P\\'erez-Mart\\'inez","submitted_at":"2022-02-02T19:00:04Z","abstract_excerpt":"We present optical spectroscopy observations of 145 high-mass pre-main sequence candidates from the catalogue of Vioque et al. (2020). From these, we provide evidence for the Herbig nature of 128 sources. This increases the number of known objects of the class by $\\sim50\\%$. We determine the stellar parameters of these sources using the spectra and Gaia EDR3 data. The new sources are well distributed in mass and age, with 23 sources between $4$-$8$ M$_{\\odot}$ and 32 sources above $8$ M$_{\\odot}$. Accretion rates are inferred from H$\\alpha$ and H$\\beta$ luminosities for 104 of the new Herbigs."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.01234","kind":"arxiv","version":3},"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/2202.01234/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":"2202.01234","created_at":"2026-07-05T04:21:09.526844+00:00"},{"alias_kind":"arxiv_version","alias_value":"2202.01234v3","created_at":"2026-07-05T04:21:09.526844+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.01234","created_at":"2026-07-05T04:21:09.526844+00:00"},{"alias_kind":"pith_short_12","alias_value":"MEB3R3IBIQ2P","created_at":"2026-07-05T04:21:09.526844+00:00"},{"alias_kind":"pith_short_16","alias_value":"MEB3R3IBIQ2PIY23","created_at":"2026-07-05T04:21:09.526844+00:00"},{"alias_kind":"pith_short_8","alias_value":"MEB3R3IB","created_at":"2026-07-05T04:21:09.526844+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/MEB3R3IBIQ2PIY23TLXCNG5MQU","json":"https://pith.science/pith/MEB3R3IBIQ2PIY23TLXCNG5MQU.json","graph_json":"https://pith.science/api/pith-number/MEB3R3IBIQ2PIY23TLXCNG5MQU/graph.json","events_json":"https://pith.science/api/pith-number/MEB3R3IBIQ2PIY23TLXCNG5MQU/events.json","paper":"https://pith.science/paper/MEB3R3IB"},"agent_actions":{"view_html":"https://pith.science/pith/MEB3R3IBIQ2PIY23TLXCNG5MQU","download_json":"https://pith.science/pith/MEB3R3IBIQ2PIY23TLXCNG5MQU.json","view_paper":"https://pith.science/paper/MEB3R3IB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2202.01234&json=true","fetch_graph":"https://pith.science/api/pith-number/MEB3R3IBIQ2PIY23TLXCNG5MQU/graph.json","fetch_events":"https://pith.science/api/pith-number/MEB3R3IBIQ2PIY23TLXCNG5MQU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MEB3R3IBIQ2PIY23TLXCNG5MQU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MEB3R3IBIQ2PIY23TLXCNG5MQU/action/storage_attestation","attest_author":"https://pith.science/pith/MEB3R3IBIQ2PIY23TLXCNG5MQU/action/author_attestation","sign_citation":"https://pith.science/pith/MEB3R3IBIQ2PIY23TLXCNG5MQU/action/citation_signature","submit_replication":"https://pith.science/pith/MEB3R3IBIQ2PIY23TLXCNG5MQU/action/replication_record"}},"created_at":"2026-07-05T04:21:09.526844+00:00","updated_at":"2026-07-05T04:21:09.526844+00:00"}