{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:FG2P6OSE2OUFOZS6B5XFYUGE4P","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":"3c94e8f7cb3c8f068cf9a15c83bdaf181c4800a092ce3c35865143e40f096b23","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-27T13:11:21Z","title_canon_sha256":"e942f9b8e220f1d31ba8f26b85e27a32bbaa16f55e2a2359048b5d72e5b600b8"},"schema_version":"1.0","source":{"id":"1804.10485","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.10485","created_at":"2026-05-18T00:11:34Z"},{"alias_kind":"arxiv_version","alias_value":"1804.10485v1","created_at":"2026-05-18T00:11:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.10485","created_at":"2026-05-18T00:11:34Z"},{"alias_kind":"pith_short_12","alias_value":"FG2P6OSE2OUF","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_16","alias_value":"FG2P6OSE2OUFOZS6","created_at":"2026-05-18T12:32:22Z"},{"alias_kind":"pith_short_8","alias_value":"FG2P6OSE","created_at":"2026-05-18T12:32:22Z"}],"graph_snapshots":[{"event_id":"sha256:1611869cbe27448c64f12f5ab6e9ecab49c902927efc94c428b529865859f4a0","target":"graph","created_at":"2026-05-18T00:11:34Z","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":"We present {complexity} of the Galactic outer disc {by fitting the stellar volume densities of the red giant branch stars with a two-disc component model}. {The discs are confirmed to} extend to $R\\sim19$\\,kpc. The radial density profile of the discs shows {two breaks at $R\\sim11$ and $\\sim14$\\,kpc, respectively, which} separate the radial profile into three segments with different scale lengths of $2.12\\pm0.26$, $1.18\\pm0.08$, and $2.72$\\,kpc at $R<11$, $11\\leq R\\leq14$, and $R>14$\\,kpc, respectively. The first {break} is likely due to the sudden drop in the radial profile of the thin disc, w","authors_text":"Chao Liu, Hai-Feng Wang, Jun-Chen Wan, Licai Deng, Yan Xu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-27T13:11:21Z","title":"Mapping the Milky Way with LAMOST III: Complicated spatial structure in the outer disc"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.10485","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":"sha256:150ffeaa690ab609ac3cc025a69b23e625cd1d6a8d475711f370b6f97b53ce27","target":"record","created_at":"2026-05-18T00:11:34Z","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":"3c94e8f7cb3c8f068cf9a15c83bdaf181c4800a092ce3c35865143e40f096b23","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-27T13:11:21Z","title_canon_sha256":"e942f9b8e220f1d31ba8f26b85e27a32bbaa16f55e2a2359048b5d72e5b600b8"},"schema_version":"1.0","source":{"id":"1804.10485","kind":"arxiv","version":1}},"canonical_sha256":"29b4ff3a44d3a857665e0f6e5c50c4e3facead899e76c9ab2d615e215c0b672f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"29b4ff3a44d3a857665e0f6e5c50c4e3facead899e76c9ab2d615e215c0b672f","first_computed_at":"2026-05-18T00:11:34.171752Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:11:34.171752Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c9CwxEWGeT/NUmBdulIEFPzVG5ofPNUhl68+UAKtJZsSbMGY6nzhD6NaC6aA10tumzWAD1/3GUxxVmf26P7cCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:11:34.172408Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.10485","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:150ffeaa690ab609ac3cc025a69b23e625cd1d6a8d475711f370b6f97b53ce27","sha256:1611869cbe27448c64f12f5ab6e9ecab49c902927efc94c428b529865859f4a0"],"state_sha256":"6d5254986319fecd98a8b4f5ea881d1ab8fb8f7a2d94e058d24fec03769ab367"}