{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:LCYKFQMPKN6PSAZXWDINWAY3NQ","short_pith_number":"pith:LCYKFQMP","schema_version":"1.0","canonical_sha256":"58b0a2c18f537cf90337b0d0db031b6c088b191f39b0c97a47c02cf322ce503b","source":{"kind":"arxiv","id":"astro-ph/0604093","version":1},"attestation_state":"computed","paper":{"title":"Physics of the GRB 030328 afterglow and its environment","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.A. Henden, A. de Ugarte Postigo, A.J. Castro-Tirado, A.S. Fruchter, B.A. Peterson, B.L. Jensen, C. Kouveliotou, E. Maiorano, E.O. Ofek, E. Palazzi, E. Pian, E.P.J. van den Heuvel, E. Rol, F. Frontera, G. Masi, J. Gorosabel, J. Hjorth, J.M. Castro Cer\\'on, J.P.U. Fynbo, J. Rhoads, L. Amati, L. Nicastro, M.I. Andersen, M. Jelinek, N. Masetti, N.R. Tanvir, P.A. Price, P. M{\\o}ller, P.M. Vreeswijk, R.A.M.J. Wijers, S.B. Pandey, S. Klose, S. Savaglio","submitted_at":"2006-04-05T10:59:03Z","abstract_excerpt":"We report on the photometric, spectroscopic and polarimetric, monitoring of the optical afterglow of Gamma-Ray Burst (GRB) 030328 detected by HETE-2. Photometry, collected at 7 different telescopes, shows that a smoothly broken powerlaw decay, with indices alpha_1 = 0.76 +/- 0.03, alpha_2 = 1.50 +/- 0.07 and a break at t_b = 0.48 +/- 0.03 days after the GRB, provides the best fit of the optical afterglow decline. This shape is interpreted as due to collimated emission, for which we determine a jet opening angle theta_{jet} of about 3.2 degrees. An achromatic bump starting around 0.2 d after th"},"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/0604093","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-04-05T10:59:03Z","cross_cats_sorted":[],"title_canon_sha256":"5a6f4cae764200e000b6423b29c25e28d64beb19ea61090b53632a2bcbf08e31","abstract_canon_sha256":"8056bdd83223f37abc2bdf25dea9debd25c6625b122ebbb6e85667c968959375"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:31:22.381266Z","signature_b64":"HNXUF19hsWXRS/MVa+baN3pfZJCH9daFg5f2F87WNBFckys5sO3D/L/XbIoYNpOIZjFENwsxsaprSlrg/X66AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58b0a2c18f537cf90337b0d0db031b6c088b191f39b0c97a47c02cf322ce503b","last_reissued_at":"2026-07-04T15:31:22.380831Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:31:22.380831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Physics of the GRB 030328 afterglow and its environment","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.A. Henden, A. de Ugarte Postigo, A.J. Castro-Tirado, A.S. Fruchter, B.A. Peterson, B.L. Jensen, C. Kouveliotou, E. Maiorano, E.O. Ofek, E. Palazzi, E. Pian, E.P.J. van den Heuvel, E. Rol, F. Frontera, G. Masi, J. Gorosabel, J. Hjorth, J.M. Castro Cer\\'on, J.P.U. Fynbo, J. Rhoads, L. Amati, L. Nicastro, M.I. Andersen, M. Jelinek, N. Masetti, N.R. Tanvir, P.A. Price, P. M{\\o}ller, P.M. Vreeswijk, R.A.M.J. Wijers, S.B. Pandey, S. Klose, S. Savaglio","submitted_at":"2006-04-05T10:59:03Z","abstract_excerpt":"We report on the photometric, spectroscopic and polarimetric, monitoring of the optical afterglow of Gamma-Ray Burst (GRB) 030328 detected by HETE-2. Photometry, collected at 7 different telescopes, shows that a smoothly broken powerlaw decay, with indices alpha_1 = 0.76 +/- 0.03, alpha_2 = 1.50 +/- 0.07 and a break at t_b = 0.48 +/- 0.03 days after the GRB, provides the best fit of the optical afterglow decline. This shape is interpreted as due to collimated emission, for which we determine a jet opening angle theta_{jet} of about 3.2 degrees. An achromatic bump starting around 0.2 d after th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0604093","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/astro-ph/0604093/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":"astro-ph/0604093","created_at":"2026-07-04T15:31:22.380889+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0604093v1","created_at":"2026-07-04T15:31:22.380889+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0604093","created_at":"2026-07-04T15:31:22.380889+00:00"},{"alias_kind":"pith_short_12","alias_value":"LCYKFQMPKN6P","created_at":"2026-07-04T15:31:22.380889+00:00"},{"alias_kind":"pith_short_16","alias_value":"LCYKFQMPKN6PSAZX","created_at":"2026-07-04T15:31:22.380889+00:00"},{"alias_kind":"pith_short_8","alias_value":"LCYKFQMP","created_at":"2026-07-04T15:31:22.380889+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/LCYKFQMPKN6PSAZXWDINWAY3NQ","json":"https://pith.science/pith/LCYKFQMPKN6PSAZXWDINWAY3NQ.json","graph_json":"https://pith.science/api/pith-number/LCYKFQMPKN6PSAZXWDINWAY3NQ/graph.json","events_json":"https://pith.science/api/pith-number/LCYKFQMPKN6PSAZXWDINWAY3NQ/events.json","paper":"https://pith.science/paper/LCYKFQMP"},"agent_actions":{"view_html":"https://pith.science/pith/LCYKFQMPKN6PSAZXWDINWAY3NQ","download_json":"https://pith.science/pith/LCYKFQMPKN6PSAZXWDINWAY3NQ.json","view_paper":"https://pith.science/paper/LCYKFQMP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0604093&json=true","fetch_graph":"https://pith.science/api/pith-number/LCYKFQMPKN6PSAZXWDINWAY3NQ/graph.json","fetch_events":"https://pith.science/api/pith-number/LCYKFQMPKN6PSAZXWDINWAY3NQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LCYKFQMPKN6PSAZXWDINWAY3NQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LCYKFQMPKN6PSAZXWDINWAY3NQ/action/storage_attestation","attest_author":"https://pith.science/pith/LCYKFQMPKN6PSAZXWDINWAY3NQ/action/author_attestation","sign_citation":"https://pith.science/pith/LCYKFQMPKN6PSAZXWDINWAY3NQ/action/citation_signature","submit_replication":"https://pith.science/pith/LCYKFQMPKN6PSAZXWDINWAY3NQ/action/replication_record"}},"created_at":"2026-07-04T15:31:22.380889+00:00","updated_at":"2026-07-04T15:31:22.380889+00:00"}