{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:LYBABWJFXOQNWVW5MVPBENYOAG","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":"08033d3f5a907912118dafcfdd66a6c8ee7e83ec2d4d85f63499c43dc0f0ef82","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-06-20T12:25:42Z","title_canon_sha256":"e7adeca15cdb2938fe3c0d13a30d849d6ab856bab80ee0fc880dd5c9474febc5"},"schema_version":"1.0","source":{"id":"1606.06082","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.06082","created_at":"2026-05-18T01:09:34Z"},{"alias_kind":"arxiv_version","alias_value":"1606.06082v1","created_at":"2026-05-18T01:09:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.06082","created_at":"2026-05-18T01:09:34Z"},{"alias_kind":"pith_short_12","alias_value":"LYBABWJFXOQN","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LYBABWJFXOQNWVW5","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LYBABWJF","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:098c9da205a2be1811736284f7ab0531b56b2b443d6729810522e0369f31dda4","target":"graph","created_at":"2026-05-18T01:09:34Z","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":"The B-mode polarization in the cosmic microwave background (CMB) anisotropies at large angular scales provides a smoking-gun evidence for the primordial gravitational waves (GWs). It is often stated that a discovery of the GWs establishes the quantum fluctuation of vacuum during the cosmic inflation. Since the GWs could also be generated by source fields, however, we need to check if a sizable signal exists due to such source fields before reaching a firm conclusion when the B-mode is discovered. Source fields of particular types can generate non-Gaussianity (NG) in the GWs. Testing statistics","authors_text":"Chiaki Hikage, Maresuke Shiraishi, Masashi Hazumi, Ryo Namba, Toshiya Namikawa","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-06-20T12:25:42Z","title":"Testing statistics of the CMB B-mode polarization toward unambiguously establishing quantum fluctuation of vacuum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.06082","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":"sha256:1405848cecb9502de0aff4062a53e38db2b3056654b7d22f02de3e7bc9a9335d","target":"record","created_at":"2026-05-18T01:09:34Z","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":"08033d3f5a907912118dafcfdd66a6c8ee7e83ec2d4d85f63499c43dc0f0ef82","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-06-20T12:25:42Z","title_canon_sha256":"e7adeca15cdb2938fe3c0d13a30d849d6ab856bab80ee0fc880dd5c9474febc5"},"schema_version":"1.0","source":{"id":"1606.06082","kind":"arxiv","version":1}},"canonical_sha256":"5e0200d925bba0db56dd655e12370e01b1bc451145cc58f03fca97a24112d2e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5e0200d925bba0db56dd655e12370e01b1bc451145cc58f03fca97a24112d2e4","first_computed_at":"2026-05-18T01:09:34.197565Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:34.197565Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jGe/m8ECf3WXlYVNHc/zqlpckF6Mowr3UQ0hPGLiB9SRO7lCe4/TPsKuoyq20rT0ZrsEf1OEW3prv6A5vvvtAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:34.197911Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.06082","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1405848cecb9502de0aff4062a53e38db2b3056654b7d22f02de3e7bc9a9335d","sha256:098c9da205a2be1811736284f7ab0531b56b2b443d6729810522e0369f31dda4"],"state_sha256":"de9668e6fbcd9f9344a0475d99acdd0d7e3fb38411654c045db7137e436a79c8"}