{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:FDF4QPIIRUFRKQWYZMWDZMZYZ4","short_pith_number":"pith:FDF4QPII","schema_version":"1.0","canonical_sha256":"28cbc83d088d0b1542d8cb2c3cb338cf33f1c906d0bdd2f47d82f9072dbc2ea5","source":{"kind":"arxiv","id":"2001.11002","version":1},"attestation_state":"computed","paper":{"title":"Unveiling Kinematic Structure in the Starburst Heart of NGC 253","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Daniel P. Cohen, Jean L. Turner, S. Michelle Consiglio","submitted_at":"2020-01-29T18:18:16Z","abstract_excerpt":"We investigate the kinematics of ionized gas within the nuclear starburst of NGC 253 with observations of the Brackett $\\alpha$ recombination line at 4.05 $\\mu$m. The goal is to distinguish motions driven by star-formation feedback from gravitational motions induced by the central mass structure. Using NIRSPEC on Keck II, we obtained 30 spectra through a $0''.5$ slit stepped across the central $\\sim$5$''\\times 25''$ (85 $\\times$ 425 pc) region to produce a spectral cube. The Br$\\alpha$ emission resolves into four nuclear sources: S1 at the infrared core (IRC), N1 at the radio core near nonther"},"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":"2001.11002","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-01-29T18:18:16Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"95d3f5b248dee4c1530ca6618919c96492d618ccadf24e5e0d364c912bb6fe90","abstract_canon_sha256":"beb8d76d4799ec4a6e39ec6c55da7fde366667330a764eb6e3eb28c621522fd1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:37:19.820541Z","signature_b64":"46x/cbR6kTmwUW0OYZjCO16+dMNDhoPzpAecD6CjN0j0HRKrTO5kJjrpdJtZD/1C5Uyp4nblvVp/ihEhy954BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"28cbc83d088d0b1542d8cb2c3cb338cf33f1c906d0bdd2f47d82f9072dbc2ea5","last_reissued_at":"2026-07-05T00:37:19.820166Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:37:19.820166Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Unveiling Kinematic Structure in the Starburst Heart of NGC 253","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Daniel P. Cohen, Jean L. Turner, S. Michelle Consiglio","submitted_at":"2020-01-29T18:18:16Z","abstract_excerpt":"We investigate the kinematics of ionized gas within the nuclear starburst of NGC 253 with observations of the Brackett $\\alpha$ recombination line at 4.05 $\\mu$m. The goal is to distinguish motions driven by star-formation feedback from gravitational motions induced by the central mass structure. Using NIRSPEC on Keck II, we obtained 30 spectra through a $0''.5$ slit stepped across the central $\\sim$5$''\\times 25''$ (85 $\\times$ 425 pc) region to produce a spectral cube. The Br$\\alpha$ emission resolves into four nuclear sources: S1 at the infrared core (IRC), N1 at the radio core near nonther"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.11002","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/2001.11002/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":"2001.11002","created_at":"2026-07-05T00:37:19.820234+00:00"},{"alias_kind":"arxiv_version","alias_value":"2001.11002v1","created_at":"2026-07-05T00:37:19.820234+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.11002","created_at":"2026-07-05T00:37:19.820234+00:00"},{"alias_kind":"pith_short_12","alias_value":"FDF4QPIIRUFR","created_at":"2026-07-05T00:37:19.820234+00:00"},{"alias_kind":"pith_short_16","alias_value":"FDF4QPIIRUFRKQWY","created_at":"2026-07-05T00:37:19.820234+00:00"},{"alias_kind":"pith_short_8","alias_value":"FDF4QPII","created_at":"2026-07-05T00:37:19.820234+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/FDF4QPIIRUFRKQWYZMWDZMZYZ4","json":"https://pith.science/pith/FDF4QPIIRUFRKQWYZMWDZMZYZ4.json","graph_json":"https://pith.science/api/pith-number/FDF4QPIIRUFRKQWYZMWDZMZYZ4/graph.json","events_json":"https://pith.science/api/pith-number/FDF4QPIIRUFRKQWYZMWDZMZYZ4/events.json","paper":"https://pith.science/paper/FDF4QPII"},"agent_actions":{"view_html":"https://pith.science/pith/FDF4QPIIRUFRKQWYZMWDZMZYZ4","download_json":"https://pith.science/pith/FDF4QPIIRUFRKQWYZMWDZMZYZ4.json","view_paper":"https://pith.science/paper/FDF4QPII","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2001.11002&json=true","fetch_graph":"https://pith.science/api/pith-number/FDF4QPIIRUFRKQWYZMWDZMZYZ4/graph.json","fetch_events":"https://pith.science/api/pith-number/FDF4QPIIRUFRKQWYZMWDZMZYZ4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FDF4QPIIRUFRKQWYZMWDZMZYZ4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FDF4QPIIRUFRKQWYZMWDZMZYZ4/action/storage_attestation","attest_author":"https://pith.science/pith/FDF4QPIIRUFRKQWYZMWDZMZYZ4/action/author_attestation","sign_citation":"https://pith.science/pith/FDF4QPIIRUFRKQWYZMWDZMZYZ4/action/citation_signature","submit_replication":"https://pith.science/pith/FDF4QPIIRUFRKQWYZMWDZMZYZ4/action/replication_record"}},"created_at":"2026-07-05T00:37:19.820234+00:00","updated_at":"2026-07-05T00:37:19.820234+00:00"}