{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1995:DTE32XEKGOY6YPADTUYV433VZX","short_pith_number":"pith:DTE32XEK","schema_version":"1.0","canonical_sha256":"1cc9bd5c8a33b1ec3c039d315e6f75cde35e67ed7620f165ca43594b774a9afd","source":{"kind":"arxiv","id":"astro-ph/9501035","version":1},"attestation_state":"computed","paper":{"title":"A MODEL FOR THE RADIO EMISSION FROM SNR 1987A","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"J.G. Kirk, Lewis Ball, P. Duffy","submitted_at":"1995-01-11T12:34:37Z","abstract_excerpt":"The observations of radio emission from SNR~1987A can be accounted for on the basis of diffusive shock acceleration of electrons by the supernova blast wave. However, with this interpretation the observed spectral index implies that the compression ratio of the gas subshock is roughly $2.7$ rather than the value of $4$ expected of a strong shock front. We propose that in SNR~1987A, ions also undergo diffusive acceleration at the shock, a process that is likely to be rapid. Unlike the electron population, the accelerated ions can have an important effect on the gas dynamics. We calculate this c"},"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":"astro-ph/9501035","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1995-01-11T12:34:37Z","cross_cats_sorted":[],"title_canon_sha256":"ac8af115dd709e593a3a26f219e70a944eb31539bcc0d98a8237cc3c1c4c6cd3","abstract_canon_sha256":"eee5a2168142abf00308d3611138bb510b8c819b935ebe3407999facc2ffee33"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:42.741873Z","signature_b64":"QwioaEWdUMa57i/Nq5cbp0Kb4simPaNRM/4/pGdlfSkf5GQ7wY3P+CTRYuNciqKTI+H6SKuBgBn7WSARDk3gCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1cc9bd5c8a33b1ec3c039d315e6f75cde35e67ed7620f165ca43594b774a9afd","last_reissued_at":"2026-05-18T01:07:42.741460Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:42.741460Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A MODEL FOR THE RADIO EMISSION FROM SNR 1987A","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"J.G. Kirk, Lewis Ball, P. Duffy","submitted_at":"1995-01-11T12:34:37Z","abstract_excerpt":"The observations of radio emission from SNR~1987A can be accounted for on the basis of diffusive shock acceleration of electrons by the supernova blast wave. However, with this interpretation the observed spectral index implies that the compression ratio of the gas subshock is roughly $2.7$ rather than the value of $4$ expected of a strong shock front. We propose that in SNR~1987A, ions also undergo diffusive acceleration at the shock, a process that is likely to be rapid. Unlike the electron population, the accelerated ions can have an important effect on the gas dynamics. We calculate this c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9501035","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":"astro-ph/9501035","created_at":"2026-05-18T01:07:42.741522+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9501035v1","created_at":"2026-05-18T01:07:42.741522+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9501035","created_at":"2026-05-18T01:07:42.741522+00:00"},{"alias_kind":"pith_short_12","alias_value":"DTE32XEKGOY6","created_at":"2026-05-18T12:25:47.700082+00:00"},{"alias_kind":"pith_short_16","alias_value":"DTE32XEKGOY6YPAD","created_at":"2026-05-18T12:25:47.700082+00:00"},{"alias_kind":"pith_short_8","alias_value":"DTE32XEK","created_at":"2026-05-18T12:25:47.700082+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/DTE32XEKGOY6YPADTUYV433VZX","json":"https://pith.science/pith/DTE32XEKGOY6YPADTUYV433VZX.json","graph_json":"https://pith.science/api/pith-number/DTE32XEKGOY6YPADTUYV433VZX/graph.json","events_json":"https://pith.science/api/pith-number/DTE32XEKGOY6YPADTUYV433VZX/events.json","paper":"https://pith.science/paper/DTE32XEK"},"agent_actions":{"view_html":"https://pith.science/pith/DTE32XEKGOY6YPADTUYV433VZX","download_json":"https://pith.science/pith/DTE32XEKGOY6YPADTUYV433VZX.json","view_paper":"https://pith.science/paper/DTE32XEK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9501035&json=true","fetch_graph":"https://pith.science/api/pith-number/DTE32XEKGOY6YPADTUYV433VZX/graph.json","fetch_events":"https://pith.science/api/pith-number/DTE32XEKGOY6YPADTUYV433VZX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DTE32XEKGOY6YPADTUYV433VZX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DTE32XEKGOY6YPADTUYV433VZX/action/storage_attestation","attest_author":"https://pith.science/pith/DTE32XEKGOY6YPADTUYV433VZX/action/author_attestation","sign_citation":"https://pith.science/pith/DTE32XEKGOY6YPADTUYV433VZX/action/citation_signature","submit_replication":"https://pith.science/pith/DTE32XEKGOY6YPADTUYV433VZX/action/replication_record"}},"created_at":"2026-05-18T01:07:42.741522+00:00","updated_at":"2026-05-18T01:07:42.741522+00:00"}