{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:WO45WXMHQQDLPNDA63UXFPR3JS","short_pith_number":"pith:WO45WXMH","schema_version":"1.0","canonical_sha256":"b3b9db5d878406b7b460f6e972be3b4ca0745f988c4f5de9c2536fc1d586594f","source":{"kind":"arxiv","id":"1511.02641","version":1},"attestation_state":"computed","paper":{"title":"Early polarization observations of the optical emission of gamma-ray bursts: GRB150301B and GRB150413A","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Gabovich, A. G. Tlatov, A. Kniazev, A. S. Kuznetsov, A. V. Parhomenko, C. Lopez, C. Mallamaci, C. Saffe, D. A. Kuvshinov, D. Buckley, D. V. Dormidontov, D. Vlasenko, E. Popova, E. S. Gorbovskoy, F. Podest, H. Levato, I. A. Gorbunov, I. S. Zalozhnich, K. I. Ivanov, M. Kotze, N. M. Budnev, N. V. Tyurina, O. A. Gress, P. V. Balanutsa, R. Alberto Castro-Tirado, R. Sanchez-Ramrez, S. A. Yazev, S. Potter, V. A. Senik, V. G. Kornilov, V. M. Lipunov, V. V. Chazov, V. V. Krushinski, V. V. Yurkov, Yu. P. Sergienko","submitted_at":"2015-11-09T11:27:05Z","abstract_excerpt":"We report early optical linear polarization observations of two gamma-ray bursts made with the MASTER robotic telescope network. We found the minimum polar- ization for GRB150301B to be 8% at the beginning of the initial stage, whereas we detected no polarization for GRB150413A either at the rising branch or after the burst reached the power-law afterglow stage. This is the earliest measurement of the polarization (in cosmological rest frame) of gamma-ray bursts. The primary intent of the paper is to discover optical emission and publish extremely rare (unique) high- quality light curves of 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":"1511.02641","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-11-09T11:27:05Z","cross_cats_sorted":[],"title_canon_sha256":"8914c5d86a95a26d8e18c86168edd51dbfe9645d9375dbafd33f54a27c61b89a","abstract_canon_sha256":"e6be93a66cc1aea6a178026fb613957fb6b8844dac4e92008e0026d381cf88d3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:45.698798Z","signature_b64":"kFUMEYJLSImSfP/xzCF9HwmkUWKsy4GGCuBe8+J3LJjfATZ5Vl8qKrbv40kbJzbx2yAvNdrvXN6ZnCtGcqeZAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b3b9db5d878406b7b460f6e972be3b4ca0745f988c4f5de9c2536fc1d586594f","last_reissued_at":"2026-05-18T01:24:45.698189Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:45.698189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Early polarization observations of the optical emission of gamma-ray bursts: GRB150301B and GRB150413A","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Gabovich, A. G. Tlatov, A. Kniazev, A. S. Kuznetsov, A. V. Parhomenko, C. Lopez, C. Mallamaci, C. Saffe, D. A. Kuvshinov, D. Buckley, D. V. Dormidontov, D. Vlasenko, E. Popova, E. S. Gorbovskoy, F. Podest, H. Levato, I. A. Gorbunov, I. S. Zalozhnich, K. I. Ivanov, M. Kotze, N. M. Budnev, N. V. Tyurina, O. A. Gress, P. V. Balanutsa, R. Alberto Castro-Tirado, R. Sanchez-Ramrez, S. A. Yazev, S. Potter, V. A. Senik, V. G. Kornilov, V. M. Lipunov, V. V. Chazov, V. V. Krushinski, V. V. Yurkov, Yu. P. Sergienko","submitted_at":"2015-11-09T11:27:05Z","abstract_excerpt":"We report early optical linear polarization observations of two gamma-ray bursts made with the MASTER robotic telescope network. We found the minimum polar- ization for GRB150301B to be 8% at the beginning of the initial stage, whereas we detected no polarization for GRB150413A either at the rising branch or after the burst reached the power-law afterglow stage. This is the earliest measurement of the polarization (in cosmological rest frame) of gamma-ray bursts. The primary intent of the paper is to discover optical emission and publish extremely rare (unique) high- quality light curves of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.02641","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":"1511.02641","created_at":"2026-05-18T01:24:45.698266+00:00"},{"alias_kind":"arxiv_version","alias_value":"1511.02641v1","created_at":"2026-05-18T01:24:45.698266+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.02641","created_at":"2026-05-18T01:24:45.698266+00:00"},{"alias_kind":"pith_short_12","alias_value":"WO45WXMHQQDL","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_16","alias_value":"WO45WXMHQQDLPNDA","created_at":"2026-05-18T12:29:47.479230+00:00"},{"alias_kind":"pith_short_8","alias_value":"WO45WXMH","created_at":"2026-05-18T12:29:47.479230+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/WO45WXMHQQDLPNDA63UXFPR3JS","json":"https://pith.science/pith/WO45WXMHQQDLPNDA63UXFPR3JS.json","graph_json":"https://pith.science/api/pith-number/WO45WXMHQQDLPNDA63UXFPR3JS/graph.json","events_json":"https://pith.science/api/pith-number/WO45WXMHQQDLPNDA63UXFPR3JS/events.json","paper":"https://pith.science/paper/WO45WXMH"},"agent_actions":{"view_html":"https://pith.science/pith/WO45WXMHQQDLPNDA63UXFPR3JS","download_json":"https://pith.science/pith/WO45WXMHQQDLPNDA63UXFPR3JS.json","view_paper":"https://pith.science/paper/WO45WXMH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1511.02641&json=true","fetch_graph":"https://pith.science/api/pith-number/WO45WXMHQQDLPNDA63UXFPR3JS/graph.json","fetch_events":"https://pith.science/api/pith-number/WO45WXMHQQDLPNDA63UXFPR3JS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/WO45WXMHQQDLPNDA63UXFPR3JS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/WO45WXMHQQDLPNDA63UXFPR3JS/action/storage_attestation","attest_author":"https://pith.science/pith/WO45WXMHQQDLPNDA63UXFPR3JS/action/author_attestation","sign_citation":"https://pith.science/pith/WO45WXMHQQDLPNDA63UXFPR3JS/action/citation_signature","submit_replication":"https://pith.science/pith/WO45WXMHQQDLPNDA63UXFPR3JS/action/replication_record"}},"created_at":"2026-05-18T01:24:45.698266+00:00","updated_at":"2026-05-18T01:24:45.698266+00:00"}