{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:RM74NNXEDJOROEFBAIZG3BWZCH","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":"f82fde9c7b98e569e2f8ec7c6225729184eba37e6e0faa8c82f2fc4043684e00","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-19T03:42:48Z","title_canon_sha256":"af2964217bd0c60384c8e5056496fc430708e87e56a0ccdcd3ecc6e9c8b55a27"},"schema_version":"1.0","source":{"id":"0803.2714","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.2714","created_at":"2026-07-04T17:09:53Z"},{"alias_kind":"arxiv_version","alias_value":"0803.2714v2","created_at":"2026-07-04T17:09:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.2714","created_at":"2026-07-04T17:09:53Z"},{"alias_kind":"pith_short_12","alias_value":"RM74NNXEDJOR","created_at":"2026-07-04T17:09:53Z"},{"alias_kind":"pith_short_16","alias_value":"RM74NNXEDJOROEFB","created_at":"2026-07-04T17:09:53Z"},{"alias_kind":"pith_short_8","alias_value":"RM74NNXE","created_at":"2026-07-04T17:09:53Z"}],"graph_snapshots":[{"event_id":"sha256:fa2bae4b88abd873a6e68134e81c7404ae9e4c80c12c537b0bc4174705c58506","target":"graph","created_at":"2026-07-04T17:09:53Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0803.2714/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In a LCDM cosmology, the Milky Way accretes satellites into the stellar disc. We use cosmological simulations to assess the frequency of near disc plane and higher inclination accretion events, and collisionless simulations of satellite mergers to quantify the final state of the accreted material and the effect on the thin disc. On average, a Milky Way-sized galaxy has 3 subhalos with vmax>80km/s; 7 with vmax>60km/s; and 15 with vmax>40km/s merge at redshift z>1. Assuming isotropic accretion, a third of these merge at an impact angle <20 degrees and are dragged into the disc plane by dynamical","authors_text":"G. Lake, J. I. Read, O. Agertz, Victor P. Debattista","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-19T03:42:48Z","title":"Thin, thick and dark discs in LCDM"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.2714","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:a9f64d2012c86239502797780eb9d0036e2547abd31f5f35a9bbab13371bb10f","target":"record","created_at":"2026-07-04T17:09:53Z","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":"f82fde9c7b98e569e2f8ec7c6225729184eba37e6e0faa8c82f2fc4043684e00","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-03-19T03:42:48Z","title_canon_sha256":"af2964217bd0c60384c8e5056496fc430708e87e56a0ccdcd3ecc6e9c8b55a27"},"schema_version":"1.0","source":{"id":"0803.2714","kind":"arxiv","version":2}},"canonical_sha256":"8b3fc6b6e41a5d1710a102326d86d911f0115dc0173f1303218b7edeaf7a0865","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8b3fc6b6e41a5d1710a102326d86d911f0115dc0173f1303218b7edeaf7a0865","first_computed_at":"2026-07-04T17:09:53.162853Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:09:53.162853Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6k/A5/HXInvWarqM+4E1wk+EEZOAgh9gMUL471o5Kz5F5o6PCYrP97mgT7piVWwUzK77IA+NFES3UoSF6x0tCw==","signature_status":"signed_v1","signed_at":"2026-07-04T17:09:53.163245Z","signed_message":"canonical_sha256_bytes"},"source_id":"0803.2714","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a9f64d2012c86239502797780eb9d0036e2547abd31f5f35a9bbab13371bb10f","sha256:fa2bae4b88abd873a6e68134e81c7404ae9e4c80c12c537b0bc4174705c58506"],"state_sha256":"1c9e609c51d5caed6d7ccb756acaece5f3bc80cdf56aa10ebe7fc36b640155ff"}