{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:6GS7H5J3FXRH2347LK6EZXRJY5","short_pith_number":"pith:6GS7H5J3","schema_version":"1.0","canonical_sha256":"f1a5f3f53b2de27d6f9f5abc4cde29c741edaa34bebbb54a277ff52e00efc22a","source":{"kind":"arxiv","id":"1902.01675","version":1},"attestation_state":"computed","paper":{"title":"The mass, location and heating of the dust in the Cassiopeia A supernova remnant","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"F. D. Priestley, I. De Looze, M. J. Barlow","submitted_at":"2019-02-05T13:47:24Z","abstract_excerpt":"We model the thermal dust emission from dust grains heated by synchrotron radiation and by particle collisions, under conditions appropriate for four different shocked and unshocked gas components of the Cassiopeia A (Cas A) supernova remnant (SNR). By fitting the resulting spectral energy distributions (SEDs) to the observed SNR dust fluxes, we determine the required mass of dust in each component. We find the observed SED can be reproduced by $\\sim 0.6 \\, {\\rm M_\\odot}$ of silicate grains, the majority of which is in the unshocked ejecta and heated by the synchrotron radiation field. Warmer "},"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":"1902.01675","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-05T13:47:24Z","cross_cats_sorted":[],"title_canon_sha256":"6041d6f3f3435bc8430312252ebc7dcf068167feac879b2b11416d631f3502a0","abstract_canon_sha256":"d9997ae87a601b8b112012cf41c8071a3c97f448b8c8cdb5ec6c3209a442b841"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:41.050151Z","signature_b64":"yvotGsH3omJNvkZ2G1t9lg/CQggBtHpb1QppYrWvA381P0Om9QVnfl3JfkpOSHzww+fnlhLP0Xp6uxv7Af6lCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1a5f3f53b2de27d6f9f5abc4cde29c741edaa34bebbb54a277ff52e00efc22a","last_reissued_at":"2026-05-17T23:53:41.049656Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:41.049656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The mass, location and heating of the dust in the Cassiopeia A supernova remnant","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"F. D. Priestley, I. De Looze, M. J. Barlow","submitted_at":"2019-02-05T13:47:24Z","abstract_excerpt":"We model the thermal dust emission from dust grains heated by synchrotron radiation and by particle collisions, under conditions appropriate for four different shocked and unshocked gas components of the Cassiopeia A (Cas A) supernova remnant (SNR). By fitting the resulting spectral energy distributions (SEDs) to the observed SNR dust fluxes, we determine the required mass of dust in each component. We find the observed SED can be reproduced by $\\sim 0.6 \\, {\\rm M_\\odot}$ of silicate grains, the majority of which is in the unshocked ejecta and heated by the synchrotron radiation field. Warmer "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.01675","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":"1902.01675","created_at":"2026-05-17T23:53:41.049727+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.01675v1","created_at":"2026-05-17T23:53:41.049727+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.01675","created_at":"2026-05-17T23:53:41.049727+00:00"},{"alias_kind":"pith_short_12","alias_value":"6GS7H5J3FXRH","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_16","alias_value":"6GS7H5J3FXRH2347","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_8","alias_value":"6GS7H5J3","created_at":"2026-05-18T12:33:10.108867+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/6GS7H5J3FXRH2347LK6EZXRJY5","json":"https://pith.science/pith/6GS7H5J3FXRH2347LK6EZXRJY5.json","graph_json":"https://pith.science/api/pith-number/6GS7H5J3FXRH2347LK6EZXRJY5/graph.json","events_json":"https://pith.science/api/pith-number/6GS7H5J3FXRH2347LK6EZXRJY5/events.json","paper":"https://pith.science/paper/6GS7H5J3"},"agent_actions":{"view_html":"https://pith.science/pith/6GS7H5J3FXRH2347LK6EZXRJY5","download_json":"https://pith.science/pith/6GS7H5J3FXRH2347LK6EZXRJY5.json","view_paper":"https://pith.science/paper/6GS7H5J3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.01675&json=true","fetch_graph":"https://pith.science/api/pith-number/6GS7H5J3FXRH2347LK6EZXRJY5/graph.json","fetch_events":"https://pith.science/api/pith-number/6GS7H5J3FXRH2347LK6EZXRJY5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6GS7H5J3FXRH2347LK6EZXRJY5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6GS7H5J3FXRH2347LK6EZXRJY5/action/storage_attestation","attest_author":"https://pith.science/pith/6GS7H5J3FXRH2347LK6EZXRJY5/action/author_attestation","sign_citation":"https://pith.science/pith/6GS7H5J3FXRH2347LK6EZXRJY5/action/citation_signature","submit_replication":"https://pith.science/pith/6GS7H5J3FXRH2347LK6EZXRJY5/action/replication_record"}},"created_at":"2026-05-17T23:53:41.049727+00:00","updated_at":"2026-05-17T23:53:41.049727+00:00"}