{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:PY3LJKC6CSRW5FIVLUAV5MR27C","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a67f7f153b161492c448312c432928f9e0ab437174b72bb9b0e5f286ad42b96f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-04-24T18:00:00Z","title_canon_sha256":"300f3f87031d0cb4571d8f1b126f4c2fa17a90b757463d073ee84efe759d66b1"},"schema_version":"1.0","source":{"id":"1804.09178","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.09178","created_at":"2026-05-18T00:15:54Z"},{"alias_kind":"arxiv_version","alias_value":"1804.09178v2","created_at":"2026-05-18T00:15:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.09178","created_at":"2026-05-18T00:15:54Z"},{"alias_kind":"pith_short_12","alias_value":"PY3LJKC6CSRW","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"PY3LJKC6CSRW5FIV","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"PY3LJKC6","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:c640fb6e3a9654356a05f90e009fa218796cc0cedadbbb6ceb490ee79860f4e6","target":"graph","created_at":"2026-05-18T00:15:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We report on the polarization properties of two fast radio bursts (FRBs): 151230 and 160102 discovered in the SUrvey for Pulsars and Extragalactic Radio Bursts (SUPERB) at the Parkes radio telescope. FRB 151230 is observed to be 6 $\\pm$ 11% circularly polarized and 35 $\\pm$ 13 % linearly polarized with a rotation measure (RM) consistent with zero. Conversely, FRB 160102 is observed to have a circular polarization fraction of 30 $\\pm$ 11 %, linear polarization fraction of 84 $\\pm$ 15 % for RM = -221(6) rad m$^{-2}$ and the highest measured DM (2596.1 $\\pm$ 0.3 pc cm$^{-3}$) for an FRB to date. ","authors_text":"A. Jameson, A. Possenti, B. Stappers, C. Tiburzi, E. D. Barr, E. F. Keane, E. Petroff, F. Jankowski, J. P. Macquart, M. Bailes, M. Burgay, M. Caleb, M. Kramer, N. D. R. Bhat, S. Bhandari, S. Johnston, V. Venkatraman Krishnan, W. Farah, W. van Straten","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-04-24T18:00:00Z","title":"The SUrvey for Pulsars and Extragalactic Radio Bursts III: Polarization properties of FRBs 160102 & 151230"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.09178","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:992982175f4e74ca71ed727c040bcde143e2466abcc6424eaf427f9399ef0e77","target":"record","created_at":"2026-05-18T00:15:54Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"a67f7f153b161492c448312c432928f9e0ab437174b72bb9b0e5f286ad42b96f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2018-04-24T18:00:00Z","title_canon_sha256":"300f3f87031d0cb4571d8f1b126f4c2fa17a90b757463d073ee84efe759d66b1"},"schema_version":"1.0","source":{"id":"1804.09178","kind":"arxiv","version":2}},"canonical_sha256":"7e36b4a85e14a36e95155d015eb23af88be1dc7fc6678a8645e68283b2a69931","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e36b4a85e14a36e95155d015eb23af88be1dc7fc6678a8645e68283b2a69931","first_computed_at":"2026-05-18T00:15:54.623034Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:15:54.623034Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8iQQdQPCwk/wRL6nPb6a9KL7x9IBvyLr4ic2L2e+/yU1fn0nubFayN50dHtCMx8iHs0/sQS5KZ7Ud6X58qxCDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:15:54.623829Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.09178","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:992982175f4e74ca71ed727c040bcde143e2466abcc6424eaf427f9399ef0e77","sha256:c640fb6e3a9654356a05f90e009fa218796cc0cedadbbb6ceb490ee79860f4e6"],"state_sha256":"f8d07d7c12af915a1d04411c312946fa6f2df00efec3b8af8522b04c2082e3ed"}