{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:BA34YPPYPIKVSCMD7XJUMEHZ4R","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":"41a3a6d03bd30daff13da8add2d91a66a7500d0585893ecdd730b2506f039385","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-25T22:07:18Z","title_canon_sha256":"895637312583e54f9f3b8537f9a5e040fda0646bfd2c254d9cae29c4f8b354b9"},"schema_version":"1.0","source":{"id":"1206.5852","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.5852","created_at":"2026-05-18T03:52:37Z"},{"alias_kind":"arxiv_version","alias_value":"1206.5852v1","created_at":"2026-05-18T03:52:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.5852","created_at":"2026-05-18T03:52:37Z"},{"alias_kind":"pith_short_12","alias_value":"BA34YPPYPIKV","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"BA34YPPYPIKVSCMD","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"BA34YPPY","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:822c6534ab844d88b40335b57f187dc81ae74ae39cae8b14fda34f6091640227","target":"graph","created_at":"2026-05-18T03:52:37Z","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 explore the possibility that the density profiles of elliptical galaxies and cold dark matter (CDM) halos found in cosmological simulations can be understood in terms of the same physical process, collisionless gravitational collapse. To investigate this, we study a simplified model, the collapse of a perfectly cold Plummer sphere. First, we examine an N-body simulation of this model with particles constrained to purely radial orbits. This results in a final state characterized by a profile slightly steeper than \\rho \\propto r^{-2} at small radii and behaving as \\rho \\propto r^{-4} at large","authors_text":"Abraham Loeb, Eli Visbal, Lars Hernquist","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-25T22:07:18Z","title":"A Simple Model for the Density Profiles of Isolated Dark Matter Halos"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.5852","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":"sha256:88a0ffbb646169550e4ec5c23d2515f8a6f765c90f7a645c5aaa8f4c0e7e63e1","target":"record","created_at":"2026-05-18T03:52:37Z","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":"41a3a6d03bd30daff13da8add2d91a66a7500d0585893ecdd730b2506f039385","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-25T22:07:18Z","title_canon_sha256":"895637312583e54f9f3b8537f9a5e040fda0646bfd2c254d9cae29c4f8b354b9"},"schema_version":"1.0","source":{"id":"1206.5852","kind":"arxiv","version":1}},"canonical_sha256":"0837cc3df87a15590983fdd34610f9e45a4ca0dc9f3a6998d4984ad3aaae784a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0837cc3df87a15590983fdd34610f9e45a4ca0dc9f3a6998d4984ad3aaae784a","first_computed_at":"2026-05-18T03:52:37.940213Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:52:37.940213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CKzzcUZrUhLs8gF9HQMfIEHJq9ekVbA3yweoGASBZ9XfOnhllk47fQtaBU6ePW0hoXNeNFSPb4F8EahzrcchDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:52:37.940862Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.5852","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:88a0ffbb646169550e4ec5c23d2515f8a6f765c90f7a645c5aaa8f4c0e7e63e1","sha256:822c6534ab844d88b40335b57f187dc81ae74ae39cae8b14fda34f6091640227"],"state_sha256":"f34462181cc9848021dee216b03e46414581dea44c7f9786cc43161cf25211df"}