{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:IGWDQSP7K77NOYWO23C6I37ITZ","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":"7196004f862fcaf728e297b1b3c079fe65de0dd0feabf418c581e160f8367685","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-09-07T20:14:40Z","title_canon_sha256":"2dfaaa454a9efc0540468d231c225821b00b42a80cb4fcb09dfbf7d6fbc0489b"},"schema_version":"1.0","source":{"id":"1509.02175","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.02175","created_at":"2026-05-18T01:20:45Z"},{"alias_kind":"arxiv_version","alias_value":"1509.02175v2","created_at":"2026-05-18T01:20:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.02175","created_at":"2026-05-18T01:20:45Z"},{"alias_kind":"pith_short_12","alias_value":"IGWDQSP7K77N","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IGWDQSP7K77NOYWO","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IGWDQSP7","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:53eafe1a0417eecbdc122631266b7cbc170226d6284aef819fc9b31f151c86ea","target":"graph","created_at":"2026-05-18T01:20:45Z","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":"N-body simulations suggest that the substructures that survive inside dark matter haloes follow universal distributions in mass and radial number density. We demonstrate that a simple analytical model can explain these subhalo distributions as resulting from tidal stripping which increasingly reduces the mass of subhaloes with decreasing halo-centric distance. As a starting point, the spatial distribution of subhaloes of any given infall mass is shown to be largely indistinguishable from the overall mass distribution of the host halo. Using a physically motivated statistical description of the","authors_text":"(2) SJTU), Carlos S. Frenk (1), Jiaxin Han (1), Shaun Cole (1), Yipeng Jing (2) ((1) ICC Durham","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-09-07T20:14:40Z","title":"A unified model for the spatial and mass distribution of subhaloes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02175","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":"sha256:2396ef659bdf583b3f3422e5a0ee417d212bc4442958c068cabaf523e758efc8","target":"record","created_at":"2026-05-18T01:20:45Z","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":"7196004f862fcaf728e297b1b3c079fe65de0dd0feabf418c581e160f8367685","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-09-07T20:14:40Z","title_canon_sha256":"2dfaaa454a9efc0540468d231c225821b00b42a80cb4fcb09dfbf7d6fbc0489b"},"schema_version":"1.0","source":{"id":"1509.02175","kind":"arxiv","version":2}},"canonical_sha256":"41ac3849ff57fed762ced6c5e46fe89e47b47a8a88e7b24fc0407d142fa5e950","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"41ac3849ff57fed762ced6c5e46fe89e47b47a8a88e7b24fc0407d142fa5e950","first_computed_at":"2026-05-18T01:20:45.014747Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:45.014747Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZX+JQj6GImw6bMmfzBeXyVa2wQceqKZuxBGqdvTQGGo8qf551fN3e4htN2GJ0U8epAWgQhydEFbRMPbT2dTyBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:45.015486Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.02175","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2396ef659bdf583b3f3422e5a0ee417d212bc4442958c068cabaf523e758efc8","sha256:53eafe1a0417eecbdc122631266b7cbc170226d6284aef819fc9b31f151c86ea"],"state_sha256":"121162936a5fd8468fe70f47eead3c7e6fcb821e43787ec9d44d6040d9c0a99c"}