{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:Y56AXRJASNIRUTJHBMFUIIMDXJ","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":"e0fe88b89dfb1b8dabd8ac402af0b96d2b87050af7646da965765c10b73781ee","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-08-12T23:02:48Z","title_canon_sha256":"650525e9707b1c128b0d7d0ca66a2282e27a1b54123b280047dbaae62057420a"},"schema_version":"1.0","source":{"id":"1008.2229","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.2229","created_at":"2026-05-18T02:05:48Z"},{"alias_kind":"arxiv_version","alias_value":"1008.2229v2","created_at":"2026-05-18T02:05:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2229","created_at":"2026-05-18T02:05:48Z"},{"alias_kind":"pith_short_12","alias_value":"Y56AXRJASNIR","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"Y56AXRJASNIRUTJH","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"Y56AXRJA","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:20187379c5ad6ce54ca62345798a1aaac782515877f2d34cb199b9e712d2f2b0","target":"graph","created_at":"2026-05-18T02:05:48Z","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":"Sgr A* exhibits flares in radio, millimeter and submm wavelengths with durations of $\\sim 1$ hour. Using structure function, power spectrum and autocorrelation function analysis, we investigate the variability of Sgr A* on time scales ranging from a few seconds to several hours and find evidence for sub-minute time scale variability at radio wavelengths. These measurements suggest a strong case for continuous variability from sub-minute to hourly time scales. This short time scale variability constrains the size of the emitting region to be less than 0.1\\,AU. Assuming that the minute time scal","authors_text":"D. Porquet, D. Roberts, F. Yusef-Zadeh, J. Miller-Jones, M. Wardle, N. Grosso","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-08-12T23:02:48Z","title":"Rapid Intrinsic Variability of Sgr A* at Radio Wavelengths"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2229","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":"sha256:1ec2e3090feb9ce7ec646e47103815b3d496bfd0dd0417758659a3cf7749a77a","target":"record","created_at":"2026-05-18T02:05:48Z","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":"e0fe88b89dfb1b8dabd8ac402af0b96d2b87050af7646da965765c10b73781ee","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-08-12T23:02:48Z","title_canon_sha256":"650525e9707b1c128b0d7d0ca66a2282e27a1b54123b280047dbaae62057420a"},"schema_version":"1.0","source":{"id":"1008.2229","kind":"arxiv","version":2}},"canonical_sha256":"c77c0bc52093511a4d270b0b442183ba72508d9d8e0867259a58dd6cf43eadea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c77c0bc52093511a4d270b0b442183ba72508d9d8e0867259a58dd6cf43eadea","first_computed_at":"2026-05-18T02:05:48.750060Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:48.750060Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+A50BzMEmAgwimC6sXgrlIYbjoSDPOgEDOhrN0gCuUwK1gtJefL4wN/HJWsgMBf5aeueXreSX9UwCF8f3S0cAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:48.750817Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.2229","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1ec2e3090feb9ce7ec646e47103815b3d496bfd0dd0417758659a3cf7749a77a","sha256:20187379c5ad6ce54ca62345798a1aaac782515877f2d34cb199b9e712d2f2b0"],"state_sha256":"e3835ddb28b470023d7a92f55f24f446f134727041cd59dd293c73969f6acc2a"}