{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:KEZOR6HG5OAXDMYG5VLLETIKUE","short_pith_number":"pith:KEZOR6HG","schema_version":"1.0","canonical_sha256":"5132e8f8e6eb8171b306ed56b24d0aa1016a0b3152c0dfbad8fabaa7f393f64e","source":{"kind":"arxiv","id":"0711.3800","version":1},"attestation_state":"computed","paper":{"title":"Echo Emission From Dust Scattering and X-Ray Afterglows of Gamma-Ray Bursts","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"2), (2)University of Colorado, (3)Columbia University, China, L. Shao (1, N. Mirabal (3) ((1)Nanjing University, USA, USA), Z. G. Dai (1)","submitted_at":"2007-11-24T00:13:31Z","abstract_excerpt":"We investigate the effect of X-ray echo emission in gamma-ray bursts (GRBs). We find that the echo emission can provide an alternative way of understanding X-ray shallow decays and jet breaks. In particular, a shallow decay followed by a \"normal\" decay and a further rapid decay of X-ray afterglows can be together explained as being due to the echo from prompt X-ray emission scattered by dust grains in a massive wind bubble around a GRB progenitor. We also introduce an extra temporal break in the X-ray echo emission. By fitting the afterglow light curves, we can measure the locations of the mas"},"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":"0711.3800","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-11-24T00:13:31Z","cross_cats_sorted":[],"title_canon_sha256":"c6ef4d460ab84b7b82158f6762378a2f7fa2eb21a0f84e61608eb5c97f076fa7","abstract_canon_sha256":"4b1dbc32f04ed7550972571d5ace67197a471dde61b3b508ede69fa7c7fd94d1"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:41.729189Z","signature_b64":"67lwaRgjVXbAMlrAQ+EKYKqQjXpQBqOlFHAoM3Y3SY6q115x3bjf+0T1m9MlpPNxaW/FJk4HetueAnUMDX0NCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5132e8f8e6eb8171b306ed56b24d0aa1016a0b3152c0dfbad8fabaa7f393f64e","last_reissued_at":"2026-05-18T04:36:41.728752Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:41.728752Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Echo Emission From Dust Scattering and X-Ray Afterglows of Gamma-Ray Bursts","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"2), (2)University of Colorado, (3)Columbia University, China, L. Shao (1, N. Mirabal (3) ((1)Nanjing University, USA, USA), Z. G. Dai (1)","submitted_at":"2007-11-24T00:13:31Z","abstract_excerpt":"We investigate the effect of X-ray echo emission in gamma-ray bursts (GRBs). We find that the echo emission can provide an alternative way of understanding X-ray shallow decays and jet breaks. In particular, a shallow decay followed by a \"normal\" decay and a further rapid decay of X-ray afterglows can be together explained as being due to the echo from prompt X-ray emission scattered by dust grains in a massive wind bubble around a GRB progenitor. We also introduce an extra temporal break in the X-ray echo emission. By fitting the afterglow light curves, we can measure the locations of the mas"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0711.3800","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":"0711.3800","created_at":"2026-05-18T04:36:41.728832+00:00"},{"alias_kind":"arxiv_version","alias_value":"0711.3800v1","created_at":"2026-05-18T04:36:41.728832+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0711.3800","created_at":"2026-05-18T04:36:41.728832+00:00"},{"alias_kind":"pith_short_12","alias_value":"KEZOR6HG5OAX","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_16","alias_value":"KEZOR6HG5OAXDMYG","created_at":"2026-05-18T12:25:55.427421+00:00"},{"alias_kind":"pith_short_8","alias_value":"KEZOR6HG","created_at":"2026-05-18T12:25:55.427421+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/KEZOR6HG5OAXDMYG5VLLETIKUE","json":"https://pith.science/pith/KEZOR6HG5OAXDMYG5VLLETIKUE.json","graph_json":"https://pith.science/api/pith-number/KEZOR6HG5OAXDMYG5VLLETIKUE/graph.json","events_json":"https://pith.science/api/pith-number/KEZOR6HG5OAXDMYG5VLLETIKUE/events.json","paper":"https://pith.science/paper/KEZOR6HG"},"agent_actions":{"view_html":"https://pith.science/pith/KEZOR6HG5OAXDMYG5VLLETIKUE","download_json":"https://pith.science/pith/KEZOR6HG5OAXDMYG5VLLETIKUE.json","view_paper":"https://pith.science/paper/KEZOR6HG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0711.3800&json=true","fetch_graph":"https://pith.science/api/pith-number/KEZOR6HG5OAXDMYG5VLLETIKUE/graph.json","fetch_events":"https://pith.science/api/pith-number/KEZOR6HG5OAXDMYG5VLLETIKUE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KEZOR6HG5OAXDMYG5VLLETIKUE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KEZOR6HG5OAXDMYG5VLLETIKUE/action/storage_attestation","attest_author":"https://pith.science/pith/KEZOR6HG5OAXDMYG5VLLETIKUE/action/author_attestation","sign_citation":"https://pith.science/pith/KEZOR6HG5OAXDMYG5VLLETIKUE/action/citation_signature","submit_replication":"https://pith.science/pith/KEZOR6HG5OAXDMYG5VLLETIKUE/action/replication_record"}},"created_at":"2026-05-18T04:36:41.728832+00:00","updated_at":"2026-05-18T04:36:41.728832+00:00"}