{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:PIHGG6E5TLIQNXOAL72OGLVRBG","short_pith_number":"pith:PIHGG6E5","schema_version":"1.0","canonical_sha256":"7a0e63789d9ad106ddc05ff4e32eb109b341480229fd9247b319a84c529ca79e","source":{"kind":"arxiv","id":"2308.11699","version":1},"attestation_state":"computed","paper":{"title":"MAPS: Constraining Serendipitous Time Variability in Protoplanetary Disk Molecular Ion Emission","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Abygail R. Waggoner, Alice S. Booth, Charles J. Law, David J. Wilner, Feng Long, Gianni Cataldi, Jaehan Bae, Jennifer B. Bergner, Jenny K. Calahan, Karin I. \\\"Oberg, L. Ilsedore Cleeves, Richard Teague, Romane Le Gal, Ryan A. Loomis, Yuri Aikawa","submitted_at":"2023-08-22T18:00:00Z","abstract_excerpt":"Theoretical models and observations suggest that the abundances of molecular ions in protoplanetary disks should be highly sensitive to the variable ionization conditions set by the young central star. We present a search for temporal flux variability of HCO+ J=1-0, which was observed as a part of the Molecules with ALMA at Planet-forming Scales (MAPS) ALMA Large Program. We split out and imaged the line and continuum data for each individual day the five sources were observed (HD 163296, AS 209, GM Aur, MWC 480, and IM Lup, with between 3 to 6 unique visits per source). Significant enhancemen"},"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":"2308.11699","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-08-22T18:00:00Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"19e286a0ff8b7dd5fb398c7031e6ca587a4379b5bf8d79a12737d9b93c57d5f6","abstract_canon_sha256":"c536f70012dcb364c0771b3051a020fb1dd57f4df835ead382f2656b14636e9d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:43:53.693723Z","signature_b64":"lm7hF03BJHYXMdnU4IWpILsBPHilKPEVVh6x/jDDnJtlSKFEkceWnwP2kv2pCasB2aHmzgNK/jrLAQ9DBoIJCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7a0e63789d9ad106ddc05ff4e32eb109b341480229fd9247b319a84c529ca79e","last_reissued_at":"2026-07-05T06:43:53.693111Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:43:53.693111Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"MAPS: Constraining Serendipitous Time Variability in Protoplanetary Disk Molecular Ion Emission","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Abygail R. Waggoner, Alice S. Booth, Charles J. Law, David J. Wilner, Feng Long, Gianni Cataldi, Jaehan Bae, Jennifer B. Bergner, Jenny K. Calahan, Karin I. \\\"Oberg, L. Ilsedore Cleeves, Richard Teague, Romane Le Gal, Ryan A. Loomis, Yuri Aikawa","submitted_at":"2023-08-22T18:00:00Z","abstract_excerpt":"Theoretical models and observations suggest that the abundances of molecular ions in protoplanetary disks should be highly sensitive to the variable ionization conditions set by the young central star. We present a search for temporal flux variability of HCO+ J=1-0, which was observed as a part of the Molecules with ALMA at Planet-forming Scales (MAPS) ALMA Large Program. We split out and imaged the line and continuum data for each individual day the five sources were observed (HD 163296, AS 209, GM Aur, MWC 480, and IM Lup, with between 3 to 6 unique visits per source). Significant enhancemen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.11699","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/2308.11699/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":"2308.11699","created_at":"2026-07-05T06:43:53.693173+00:00"},{"alias_kind":"arxiv_version","alias_value":"2308.11699v1","created_at":"2026-07-05T06:43:53.693173+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.11699","created_at":"2026-07-05T06:43:53.693173+00:00"},{"alias_kind":"pith_short_12","alias_value":"PIHGG6E5TLIQ","created_at":"2026-07-05T06:43:53.693173+00:00"},{"alias_kind":"pith_short_16","alias_value":"PIHGG6E5TLIQNXOA","created_at":"2026-07-05T06:43:53.693173+00:00"},{"alias_kind":"pith_short_8","alias_value":"PIHGG6E5","created_at":"2026-07-05T06:43:53.693173+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/PIHGG6E5TLIQNXOAL72OGLVRBG","json":"https://pith.science/pith/PIHGG6E5TLIQNXOAL72OGLVRBG.json","graph_json":"https://pith.science/api/pith-number/PIHGG6E5TLIQNXOAL72OGLVRBG/graph.json","events_json":"https://pith.science/api/pith-number/PIHGG6E5TLIQNXOAL72OGLVRBG/events.json","paper":"https://pith.science/paper/PIHGG6E5"},"agent_actions":{"view_html":"https://pith.science/pith/PIHGG6E5TLIQNXOAL72OGLVRBG","download_json":"https://pith.science/pith/PIHGG6E5TLIQNXOAL72OGLVRBG.json","view_paper":"https://pith.science/paper/PIHGG6E5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2308.11699&json=true","fetch_graph":"https://pith.science/api/pith-number/PIHGG6E5TLIQNXOAL72OGLVRBG/graph.json","fetch_events":"https://pith.science/api/pith-number/PIHGG6E5TLIQNXOAL72OGLVRBG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PIHGG6E5TLIQNXOAL72OGLVRBG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PIHGG6E5TLIQNXOAL72OGLVRBG/action/storage_attestation","attest_author":"https://pith.science/pith/PIHGG6E5TLIQNXOAL72OGLVRBG/action/author_attestation","sign_citation":"https://pith.science/pith/PIHGG6E5TLIQNXOAL72OGLVRBG/action/citation_signature","submit_replication":"https://pith.science/pith/PIHGG6E5TLIQNXOAL72OGLVRBG/action/replication_record"}},"created_at":"2026-07-05T06:43:53.693173+00:00","updated_at":"2026-07-05T06:43:53.693173+00:00"}