{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ZAPJMOKJCTZVGQHPQLNVWMUX6K","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":"9aa6c0bcae75e8d41ed90657c66b904eda7e226f0457943ecf829f8f93d66866","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-06T18:12:44Z","title_canon_sha256":"094fc9ae3a3811ad40ea22931e4d91b473e5b76244d8c5235ada07c3fb12e11c"},"schema_version":"1.0","source":{"id":"1012.1268","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1012.1268","created_at":"2026-05-18T04:22:31Z"},{"alias_kind":"arxiv_version","alias_value":"1012.1268v1","created_at":"2026-05-18T04:22:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1012.1268","created_at":"2026-05-18T04:22:31Z"},{"alias_kind":"pith_short_12","alias_value":"ZAPJMOKJCTZV","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"ZAPJMOKJCTZVGQHP","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"ZAPJMOKJ","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:80f2d24761b24ba7e9d225314db3647346cd6b1b524c9ce61aee58de7927c293","target":"graph","created_at":"2026-05-18T04:22:31Z","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":"In a recent analysis of the 7-year WMAP temperature sky maps, Gurzadyan and Penrose claim to find evidence for violent pre-Big Bang activity in the form of concentric low-variance circles at high statistical significance. In this paper, we perform an independent search for such concentric low-variance circles, employing both chi^2 statistics and matched filters, and compare the results obtained from the 7-year WMAP temperature sky maps with those obtained from LCDM simulations. Our main findings are the following: We do reproduce the claimed ring structures observed in the WMAP data as present","authors_text":"H. K. Eriksen, I. K. Wehus","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-06T18:12:44Z","title":"A search for concentric circles in the 7-year WMAP temperature sky maps"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1012.1268","kind":"arxiv","version":1},"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":"sha256:05ec7f364d551fc6c1bbeab921e3db821ae9a4ee10504341861723286dc1d600","target":"record","created_at":"2026-05-18T04:22:31Z","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":"9aa6c0bcae75e8d41ed90657c66b904eda7e226f0457943ecf829f8f93d66866","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-12-06T18:12:44Z","title_canon_sha256":"094fc9ae3a3811ad40ea22931e4d91b473e5b76244d8c5235ada07c3fb12e11c"},"schema_version":"1.0","source":{"id":"1012.1268","kind":"arxiv","version":1}},"canonical_sha256":"c81e96394914f35340ef82db5b3297f28d03cbae4a408f5abe2a457a1b0e9b5c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c81e96394914f35340ef82db5b3297f28d03cbae4a408f5abe2a457a1b0e9b5c","first_computed_at":"2026-05-18T04:22:31.845006Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:22:31.845006Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AD/ZykUrsyCGq0WcH2J9eb/agxpPwhUrBX7fBJjuXYtQPoY0/CxcGFed6PCQec4is1w/SLm3okKVQMtp/VcgAg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:22:31.845442Z","signed_message":"canonical_sha256_bytes"},"source_id":"1012.1268","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:05ec7f364d551fc6c1bbeab921e3db821ae9a4ee10504341861723286dc1d600","sha256:80f2d24761b24ba7e9d225314db3647346cd6b1b524c9ce61aee58de7927c293"],"state_sha256":"ef0015af66ef1d0919052e2f5c7644edeea0fbebf5478200cf9896c0d736c159"}