{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:IX576TKBOOCDASPFCQW5UYGXD2","short_pith_number":"pith:IX576TKB","schema_version":"1.0","canonical_sha256":"45fbff4d4173843049e5142dda60d71e9309f9138f43c9deead63845b5003f08","source":{"kind":"arxiv","id":"0808.2981","version":2},"attestation_state":"computed","paper":{"title":"Quantifying the heart of darkness with GHALO - a multi-billion particle simulation of our galactic halo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Ben Moore, Doug Potter, Joachim Stadel, J\\\"urg Diemand, Marcel Zemp, Michael Kuhlen, Piero Madau, Vicent Quilis","submitted_at":"2008-08-21T19:23:51Z","abstract_excerpt":"We perform a series of simulations of a Galactic mass dark matter halo at different resolutions, our largest uses over three billion particles and has a mass resolution of 1000 M_sun. We quantify the structural properties of the inner dark matter distribution and study how they depend on numerical resolution. We can measure the density profile to a distance of 120 pc (0.05% of R_vir) where the logarithmic slope is -0.8 and -1.4 at (0.5% of R_vir). We propose a new two parameter fitting function that has a linearly varying logarithmic density gradient which fits the GHALO and VL2 density profil"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"0808.2981","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-21T19:23:51Z","cross_cats_sorted":[],"title_canon_sha256":"100ea8581fe392cf01ecf48d4e224d998d544dc6959d8fd07d00d486dda824ad","abstract_canon_sha256":"923395c64656699dab37b0f4c129a8bd9bcd773791f5a72f69780f561d873a30"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:42.915993Z","signature_b64":"Ry4nbzWpNZc7OPqD9qpf+US8jd38Lwbch26xDA+Syovp7o08HDu3rqs1bFncYX9UdlrCVSRz/JFrTUcR9kJjCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"45fbff4d4173843049e5142dda60d71e9309f9138f43c9deead63845b5003f08","last_reissued_at":"2026-05-18T02:15:42.915189Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:42.915189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantifying the heart of darkness with GHALO - a multi-billion particle simulation of our galactic halo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Ben Moore, Doug Potter, Joachim Stadel, J\\\"urg Diemand, Marcel Zemp, Michael Kuhlen, Piero Madau, Vicent Quilis","submitted_at":"2008-08-21T19:23:51Z","abstract_excerpt":"We perform a series of simulations of a Galactic mass dark matter halo at different resolutions, our largest uses over three billion particles and has a mass resolution of 1000 M_sun. We quantify the structural properties of the inner dark matter distribution and study how they depend on numerical resolution. We can measure the density profile to a distance of 120 pc (0.05% of R_vir) where the logarithmic slope is -0.8 and -1.4 at (0.5% of R_vir). We propose a new two parameter fitting function that has a linearly varying logarithmic density gradient which fits the GHALO and VL2 density profil"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.2981","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"0808.2981","created_at":"2026-05-18T02:15:42.915296+00:00"},{"alias_kind":"arxiv_version","alias_value":"0808.2981v2","created_at":"2026-05-18T02:15:42.915296+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.2981","created_at":"2026-05-18T02:15:42.915296+00:00"},{"alias_kind":"pith_short_12","alias_value":"IX576TKBOOCD","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_16","alias_value":"IX576TKBOOCDASPF","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_8","alias_value":"IX576TKB","created_at":"2026-05-18T12:25:57.157939+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/IX576TKBOOCDASPFCQW5UYGXD2","json":"https://pith.science/pith/IX576TKBOOCDASPFCQW5UYGXD2.json","graph_json":"https://pith.science/api/pith-number/IX576TKBOOCDASPFCQW5UYGXD2/graph.json","events_json":"https://pith.science/api/pith-number/IX576TKBOOCDASPFCQW5UYGXD2/events.json","paper":"https://pith.science/paper/IX576TKB"},"agent_actions":{"view_html":"https://pith.science/pith/IX576TKBOOCDASPFCQW5UYGXD2","download_json":"https://pith.science/pith/IX576TKBOOCDASPFCQW5UYGXD2.json","view_paper":"https://pith.science/paper/IX576TKB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0808.2981&json=true","fetch_graph":"https://pith.science/api/pith-number/IX576TKBOOCDASPFCQW5UYGXD2/graph.json","fetch_events":"https://pith.science/api/pith-number/IX576TKBOOCDASPFCQW5UYGXD2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IX576TKBOOCDASPFCQW5UYGXD2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IX576TKBOOCDASPFCQW5UYGXD2/action/storage_attestation","attest_author":"https://pith.science/pith/IX576TKBOOCDASPFCQW5UYGXD2/action/author_attestation","sign_citation":"https://pith.science/pith/IX576TKBOOCDASPFCQW5UYGXD2/action/citation_signature","submit_replication":"https://pith.science/pith/IX576TKBOOCDASPFCQW5UYGXD2/action/replication_record"}},"created_at":"2026-05-18T02:15:42.915296+00:00","updated_at":"2026-05-18T02:15:42.915296+00:00"}