{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:YJMQQ5TVHLL6EWBFFHAPM4WKNW","short_pith_number":"pith:YJMQQ5TV","schema_version":"1.0","canonical_sha256":"c2590876753ad7e2582529c0f672ca6d963404560f2f2d88836ceb694a1c676b","source":{"kind":"arxiv","id":"astro-ph/0002482","version":2},"attestation_state":"computed","paper":{"title":"Simple dynamical models of the Sagittarius dwarf galaxy","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Amina Helmi (Sterrewacht Leiden), Garching), Simon D.M. White (MPA","submitted_at":"2000-02-25T12:57:42Z","abstract_excerpt":"We present two simple dynamical models for Sagittarius based on N-body simulations of the progressive disruption of a satellite galaxy orbiting for 12.5 Gyr within a realistic Galactic potential. In both models the satellite initially has observable properties similar to those of current outlying dwarfs; in one case it is purely stellar while in the other it is embedded in an extended massive halo. The purely stellar progenitor is a King model with a total velocity dispersion of 18.9 km/s, a core radius of 0.44 kpc and a tidal radius of 3 kpc. The initial stellar distribution in the other case"},"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":"astro-ph/0002482","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-02-25T12:57:42Z","cross_cats_sorted":[],"title_canon_sha256":"d6ab913b980f2e77d017a4609eb98d33ae5f04c2b7e7b6f35d54142dd1c78899","abstract_canon_sha256":"16885a1726f8f71b93fbafacc45b3c857f649ebd4c8e058c0ed67c73e7d3eab2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:51:44.060209Z","signature_b64":"yu3RzBDd9/1M4dGDGml65arzOG7Ji5oVel4hp3lu6TuxrQBdCAfYPhoVGWrzD9dLnvUi/lbs2Sk84TOvb+SWAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c2590876753ad7e2582529c0f672ca6d963404560f2f2d88836ceb694a1c676b","last_reissued_at":"2026-07-04T15:51:44.059772Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:51:44.059772Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Simple dynamical models of the Sagittarius dwarf galaxy","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Amina Helmi (Sterrewacht Leiden), Garching), Simon D.M. White (MPA","submitted_at":"2000-02-25T12:57:42Z","abstract_excerpt":"We present two simple dynamical models for Sagittarius based on N-body simulations of the progressive disruption of a satellite galaxy orbiting for 12.5 Gyr within a realistic Galactic potential. In both models the satellite initially has observable properties similar to those of current outlying dwarfs; in one case it is purely stellar while in the other it is embedded in an extended massive halo. The purely stellar progenitor is a King model with a total velocity dispersion of 18.9 km/s, a core radius of 0.44 kpc and a tidal radius of 3 kpc. The initial stellar distribution in the other case"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0002482","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0002482/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"astro-ph/0002482","created_at":"2026-07-04T15:51:44.059832+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0002482v2","created_at":"2026-07-04T15:51:44.059832+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0002482","created_at":"2026-07-04T15:51:44.059832+00:00"},{"alias_kind":"pith_short_12","alias_value":"YJMQQ5TVHLL6","created_at":"2026-07-04T15:51:44.059832+00:00"},{"alias_kind":"pith_short_16","alias_value":"YJMQQ5TVHLL6EWBF","created_at":"2026-07-04T15:51:44.059832+00:00"},{"alias_kind":"pith_short_8","alias_value":"YJMQQ5TV","created_at":"2026-07-04T15:51:44.059832+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/YJMQQ5TVHLL6EWBFFHAPM4WKNW","json":"https://pith.science/pith/YJMQQ5TVHLL6EWBFFHAPM4WKNW.json","graph_json":"https://pith.science/api/pith-number/YJMQQ5TVHLL6EWBFFHAPM4WKNW/graph.json","events_json":"https://pith.science/api/pith-number/YJMQQ5TVHLL6EWBFFHAPM4WKNW/events.json","paper":"https://pith.science/paper/YJMQQ5TV"},"agent_actions":{"view_html":"https://pith.science/pith/YJMQQ5TVHLL6EWBFFHAPM4WKNW","download_json":"https://pith.science/pith/YJMQQ5TVHLL6EWBFFHAPM4WKNW.json","view_paper":"https://pith.science/paper/YJMQQ5TV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0002482&json=true","fetch_graph":"https://pith.science/api/pith-number/YJMQQ5TVHLL6EWBFFHAPM4WKNW/graph.json","fetch_events":"https://pith.science/api/pith-number/YJMQQ5TVHLL6EWBFFHAPM4WKNW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YJMQQ5TVHLL6EWBFFHAPM4WKNW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YJMQQ5TVHLL6EWBFFHAPM4WKNW/action/storage_attestation","attest_author":"https://pith.science/pith/YJMQQ5TVHLL6EWBFFHAPM4WKNW/action/author_attestation","sign_citation":"https://pith.science/pith/YJMQQ5TVHLL6EWBFFHAPM4WKNW/action/citation_signature","submit_replication":"https://pith.science/pith/YJMQQ5TVHLL6EWBFFHAPM4WKNW/action/replication_record"}},"created_at":"2026-07-04T15:51:44.059832+00:00","updated_at":"2026-07-04T15:51:44.059832+00:00"}