{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:PAKCRQCSGYLU3TLYJRTNTI6UZL","short_pith_number":"pith:PAKCRQCS","schema_version":"1.0","canonical_sha256":"781428c05236174dcd784c66d9a3d4cad0388b848794d39c467cebae38898d47","source":{"kind":"arxiv","id":"1604.05599","version":2},"attestation_state":"computed","paper":{"title":"Simple J-Factors and D-Factors for Indirect Dark Matter Detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"A. Geringer-Sameth (Carnegie-Mellon), J.L. Sanders (Cambridge), N.W. Evans (Cambridge)","submitted_at":"2016-04-19T14:42:09Z","abstract_excerpt":"J-factors (or D-factors) describe the distribution of dark matter in an astrophysical system and determine the strength of the signal provided by annihilating (or decaying) dark matter respectively. We provide simple analytic formulae to calculate the J-factors for spherical cusps obeying the empirical relationship between enclosed mass, velocity dispersion and half-light radius. We extend the calculation to the spherical Navarro-Frenk-White (NFW) model, and demonstrate that our new formulae give accurate results in comparison to more elaborate Jeans models driven by Markov Chain Monte Carlo m"},"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":"1604.05599","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-04-19T14:42:09Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"8b8fdf3a341601b6a8c5faa06164051fb8f26d5146cc6049b279164240dccbdc","abstract_canon_sha256":"9db27d6a1c70fd0d6e297fcb2463979a8894dcee60bf2b58e5bf0098eca14a20"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:13:47.750427Z","signature_b64":"sW2f5j+kwClhNSu83RvYATwmNbSaU/deh1f4uiCEGn1hy1qFAC2RHFZI5JNHUDkxUcIqAREe7iRHhAIpQFjyCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"781428c05236174dcd784c66d9a3d4cad0388b848794d39c467cebae38898d47","last_reissued_at":"2026-05-18T01:13:47.749745Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:13:47.749745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Simple J-Factors and D-Factors for Indirect Dark Matter Detection","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"A. Geringer-Sameth (Carnegie-Mellon), J.L. Sanders (Cambridge), N.W. Evans (Cambridge)","submitted_at":"2016-04-19T14:42:09Z","abstract_excerpt":"J-factors (or D-factors) describe the distribution of dark matter in an astrophysical system and determine the strength of the signal provided by annihilating (or decaying) dark matter respectively. We provide simple analytic formulae to calculate the J-factors for spherical cusps obeying the empirical relationship between enclosed mass, velocity dispersion and half-light radius. We extend the calculation to the spherical Navarro-Frenk-White (NFW) model, and demonstrate that our new formulae give accurate results in comparison to more elaborate Jeans models driven by Markov Chain Monte Carlo m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05599","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":"1604.05599","created_at":"2026-05-18T01:13:47.749839+00:00"},{"alias_kind":"arxiv_version","alias_value":"1604.05599v2","created_at":"2026-05-18T01:13:47.749839+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05599","created_at":"2026-05-18T01:13:47.749839+00:00"},{"alias_kind":"pith_short_12","alias_value":"PAKCRQCSGYLU","created_at":"2026-05-18T12:30:39.010887+00:00"},{"alias_kind":"pith_short_16","alias_value":"PAKCRQCSGYLU3TLY","created_at":"2026-05-18T12:30:39.010887+00:00"},{"alias_kind":"pith_short_8","alias_value":"PAKCRQCS","created_at":"2026-05-18T12:30:39.010887+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1906.08951","citing_title":"Anomalous Kolar Events and Dark Matter Decay in Dwarf Spheroidal Galaxies","ref_index":7,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/PAKCRQCSGYLU3TLYJRTNTI6UZL","json":"https://pith.science/pith/PAKCRQCSGYLU3TLYJRTNTI6UZL.json","graph_json":"https://pith.science/api/pith-number/PAKCRQCSGYLU3TLYJRTNTI6UZL/graph.json","events_json":"https://pith.science/api/pith-number/PAKCRQCSGYLU3TLYJRTNTI6UZL/events.json","paper":"https://pith.science/paper/PAKCRQCS"},"agent_actions":{"view_html":"https://pith.science/pith/PAKCRQCSGYLU3TLYJRTNTI6UZL","download_json":"https://pith.science/pith/PAKCRQCSGYLU3TLYJRTNTI6UZL.json","view_paper":"https://pith.science/paper/PAKCRQCS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1604.05599&json=true","fetch_graph":"https://pith.science/api/pith-number/PAKCRQCSGYLU3TLYJRTNTI6UZL/graph.json","fetch_events":"https://pith.science/api/pith-number/PAKCRQCSGYLU3TLYJRTNTI6UZL/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/PAKCRQCSGYLU3TLYJRTNTI6UZL/action/timestamp_anchor","attest_storage":"https://pith.science/pith/PAKCRQCSGYLU3TLYJRTNTI6UZL/action/storage_attestation","attest_author":"https://pith.science/pith/PAKCRQCSGYLU3TLYJRTNTI6UZL/action/author_attestation","sign_citation":"https://pith.science/pith/PAKCRQCSGYLU3TLYJRTNTI6UZL/action/citation_signature","submit_replication":"https://pith.science/pith/PAKCRQCSGYLU3TLYJRTNTI6UZL/action/replication_record"}},"created_at":"2026-05-18T01:13:47.749839+00:00","updated_at":"2026-05-18T01:13:47.749839+00:00"}