{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:ISVZEDTH6PWM3W3A5MUXRD4MPN","short_pith_number":"pith:ISVZEDTH","schema_version":"1.0","canonical_sha256":"44ab920e67f3eccddb60eb29788f8c7b6a720775fc47967e7ca3d76cc87ea87a","source":{"kind":"arxiv","id":"1905.04475","version":3},"attestation_state":"computed","paper":{"title":"An Ejecta Kinematics Study of Kepler's Supernova Remnant with High-Resolution $Chandra$ HETG Spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Carles Badenes, Daniel Patnaude, David Burrows, Jayant Bhalerao, John P. Hughes, Matthew J. Millard, Patrick Slane, Sangwook Park, Toshiki Sato","submitted_at":"2019-05-11T07:59:42Z","abstract_excerpt":"We report our measurements of the bulk radial velocity from a sample of small, metal-rich ejecta knots in Kepler's Supernova Remnant (SNR). We measure the Doppler shift of the He-like Si K$\\alpha$ line center energy in the spectra of these knots based on our $Chandra$ High-Energy Transmission Grating Spectrometer (HETGS) observation to estimate their radial velocities. We estimate high radial velocities of up to $\\sim$ 8,000 km s$^{-1}$ for some of these ejecta knots. We also measure proper motions for our sample based on the archival $Chandra$ Advanced CCD Imaging Spectrometer (ACIS) data tak"},"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":"1905.04475","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2019-05-11T07:59:42Z","cross_cats_sorted":[],"title_canon_sha256":"598ece35d93c7db89dd2b0447d91e81af1327c6cc26e7e28227ee20368afe3b0","abstract_canon_sha256":"e7e5e997be6b9f1bd9018de9ea4a69bb8b85566794ef55634db8355b54d69995"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:58:34.356011Z","signature_b64":"WLEkRHY3x/3SEtrAQTZPXtLGGc2SxdhJ4tNYWxC2sTc3NjYMwDmseJ+yhlJj+qoFwz19FXHrSUNrrWxw3CwKDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44ab920e67f3eccddb60eb29788f8c7b6a720775fc47967e7ca3d76cc87ea87a","last_reissued_at":"2026-07-05T00:58:34.355582Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:58:34.355582Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An Ejecta Kinematics Study of Kepler's Supernova Remnant with High-Resolution $Chandra$ HETG Spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Carles Badenes, Daniel Patnaude, David Burrows, Jayant Bhalerao, John P. Hughes, Matthew J. Millard, Patrick Slane, Sangwook Park, Toshiki Sato","submitted_at":"2019-05-11T07:59:42Z","abstract_excerpt":"We report our measurements of the bulk radial velocity from a sample of small, metal-rich ejecta knots in Kepler's Supernova Remnant (SNR). We measure the Doppler shift of the He-like Si K$\\alpha$ line center energy in the spectra of these knots based on our $Chandra$ High-Energy Transmission Grating Spectrometer (HETGS) observation to estimate their radial velocities. We estimate high radial velocities of up to $\\sim$ 8,000 km s$^{-1}$ for some of these ejecta knots. We also measure proper motions for our sample based on the archival $Chandra$ Advanced CCD Imaging Spectrometer (ACIS) data tak"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.04475","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/1905.04475/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":"1905.04475","created_at":"2026-07-05T00:58:34.355638+00:00"},{"alias_kind":"arxiv_version","alias_value":"1905.04475v3","created_at":"2026-07-05T00:58:34.355638+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.04475","created_at":"2026-07-05T00:58:34.355638+00:00"},{"alias_kind":"pith_short_12","alias_value":"ISVZEDTH6PWM","created_at":"2026-07-05T00:58:34.355638+00:00"},{"alias_kind":"pith_short_16","alias_value":"ISVZEDTH6PWM3W3A","created_at":"2026-07-05T00:58:34.355638+00:00"},{"alias_kind":"pith_short_8","alias_value":"ISVZEDTH","created_at":"2026-07-05T00:58:34.355638+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/ISVZEDTH6PWM3W3A5MUXRD4MPN","json":"https://pith.science/pith/ISVZEDTH6PWM3W3A5MUXRD4MPN.json","graph_json":"https://pith.science/api/pith-number/ISVZEDTH6PWM3W3A5MUXRD4MPN/graph.json","events_json":"https://pith.science/api/pith-number/ISVZEDTH6PWM3W3A5MUXRD4MPN/events.json","paper":"https://pith.science/paper/ISVZEDTH"},"agent_actions":{"view_html":"https://pith.science/pith/ISVZEDTH6PWM3W3A5MUXRD4MPN","download_json":"https://pith.science/pith/ISVZEDTH6PWM3W3A5MUXRD4MPN.json","view_paper":"https://pith.science/paper/ISVZEDTH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1905.04475&json=true","fetch_graph":"https://pith.science/api/pith-number/ISVZEDTH6PWM3W3A5MUXRD4MPN/graph.json","fetch_events":"https://pith.science/api/pith-number/ISVZEDTH6PWM3W3A5MUXRD4MPN/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ISVZEDTH6PWM3W3A5MUXRD4MPN/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ISVZEDTH6PWM3W3A5MUXRD4MPN/action/storage_attestation","attest_author":"https://pith.science/pith/ISVZEDTH6PWM3W3A5MUXRD4MPN/action/author_attestation","sign_citation":"https://pith.science/pith/ISVZEDTH6PWM3W3A5MUXRD4MPN/action/citation_signature","submit_replication":"https://pith.science/pith/ISVZEDTH6PWM3W3A5MUXRD4MPN/action/replication_record"}},"created_at":"2026-07-05T00:58:34.355638+00:00","updated_at":"2026-07-05T00:58:34.355638+00:00"}