{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:2V26VQN5TZ3AWZXO3PJIPDGPNF","short_pith_number":"pith:2V26VQN5","schema_version":"1.0","canonical_sha256":"d575eac1bd9e760b66eedbd2878ccf694da7243f5ea224f8355c6d7cc0c692cd","source":{"kind":"arxiv","id":"1509.03779","version":1},"attestation_state":"computed","paper":{"title":"CSO and CARMA Observations of L1157. I. A Deep Search for Hydroxylamine (NH$_2$OH)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrew Burkhardt, Anthony J. Remijan, Brett A. McGuire, Christopher Shingledecker, Geoffrey A. Blake, Joanna F. Corby, Nathan R. Crockett, Niklaus M. Dollhopf, P. Brandon Carroll, Ryan A. Loomis","submitted_at":"2015-09-12T21:12:40Z","abstract_excerpt":"A deep search for the potential glycine precursor hydroxylamine (NH$_2$OH) using the Caltech Submillimeter Observatory (CSO) at $\\lambda = 1.3$ mm and the Combined Array for Research in Millimeter-wave Astronomy (CARMA) at $\\lambda = 3$ mm is presented toward the molecular outflow L1157, targeting the B1 and B2 shocked regions. We report non-detections of NH$_2$OH in both sources. We a perform non-LTE analysis of CH$_3$OH observed in our CSO spectra to derive kinetic temperatures and densities in the shocked regions. Using these parameters, we derive upper limit column densities of NH$_2$OH of"},"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":"1509.03779","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-12T21:12:40Z","cross_cats_sorted":[],"title_canon_sha256":"47e10f4db26819485db88b029759c0e51cc646850f761e3c87dd027396b799dc","abstract_canon_sha256":"7d3cfa448ed9a6102a1aced6505b6f41e47f9f2e6835ff356c2ae67e67f196d5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:17.768097Z","signature_b64":"jGpOr4DitRODAAgQbi9SZ5TvfCbkrzKDugJXH5uvdY5xvCtnKkZIBDolo+j6Ao+dorwdFlWZ82I1uSmMBY6yBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d575eac1bd9e760b66eedbd2878ccf694da7243f5ea224f8355c6d7cc0c692cd","last_reissued_at":"2026-05-18T01:30:17.767560Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:17.767560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"CSO and CARMA Observations of L1157. I. A Deep Search for Hydroxylamine (NH$_2$OH)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrew Burkhardt, Anthony J. Remijan, Brett A. McGuire, Christopher Shingledecker, Geoffrey A. Blake, Joanna F. Corby, Nathan R. Crockett, Niklaus M. Dollhopf, P. Brandon Carroll, Ryan A. Loomis","submitted_at":"2015-09-12T21:12:40Z","abstract_excerpt":"A deep search for the potential glycine precursor hydroxylamine (NH$_2$OH) using the Caltech Submillimeter Observatory (CSO) at $\\lambda = 1.3$ mm and the Combined Array for Research in Millimeter-wave Astronomy (CARMA) at $\\lambda = 3$ mm is presented toward the molecular outflow L1157, targeting the B1 and B2 shocked regions. We report non-detections of NH$_2$OH in both sources. We a perform non-LTE analysis of CH$_3$OH observed in our CSO spectra to derive kinetic temperatures and densities in the shocked regions. Using these parameters, we derive upper limit column densities of NH$_2$OH of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.03779","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":"1509.03779","created_at":"2026-05-18T01:30:17.767643+00:00"},{"alias_kind":"arxiv_version","alias_value":"1509.03779v1","created_at":"2026-05-18T01:30:17.767643+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.03779","created_at":"2026-05-18T01:30:17.767643+00:00"},{"alias_kind":"pith_short_12","alias_value":"2V26VQN5TZ3A","created_at":"2026-05-18T12:29:02.477457+00:00"},{"alias_kind":"pith_short_16","alias_value":"2V26VQN5TZ3AWZXO","created_at":"2026-05-18T12:29:02.477457+00:00"},{"alias_kind":"pith_short_8","alias_value":"2V26VQN5","created_at":"2026-05-18T12:29:02.477457+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/2V26VQN5TZ3AWZXO3PJIPDGPNF","json":"https://pith.science/pith/2V26VQN5TZ3AWZXO3PJIPDGPNF.json","graph_json":"https://pith.science/api/pith-number/2V26VQN5TZ3AWZXO3PJIPDGPNF/graph.json","events_json":"https://pith.science/api/pith-number/2V26VQN5TZ3AWZXO3PJIPDGPNF/events.json","paper":"https://pith.science/paper/2V26VQN5"},"agent_actions":{"view_html":"https://pith.science/pith/2V26VQN5TZ3AWZXO3PJIPDGPNF","download_json":"https://pith.science/pith/2V26VQN5TZ3AWZXO3PJIPDGPNF.json","view_paper":"https://pith.science/paper/2V26VQN5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1509.03779&json=true","fetch_graph":"https://pith.science/api/pith-number/2V26VQN5TZ3AWZXO3PJIPDGPNF/graph.json","fetch_events":"https://pith.science/api/pith-number/2V26VQN5TZ3AWZXO3PJIPDGPNF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2V26VQN5TZ3AWZXO3PJIPDGPNF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2V26VQN5TZ3AWZXO3PJIPDGPNF/action/storage_attestation","attest_author":"https://pith.science/pith/2V26VQN5TZ3AWZXO3PJIPDGPNF/action/author_attestation","sign_citation":"https://pith.science/pith/2V26VQN5TZ3AWZXO3PJIPDGPNF/action/citation_signature","submit_replication":"https://pith.science/pith/2V26VQN5TZ3AWZXO3PJIPDGPNF/action/replication_record"}},"created_at":"2026-05-18T01:30:17.767643+00:00","updated_at":"2026-05-18T01:30:17.767643+00:00"}