{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:VLYUXNGROWJATP6CATED7R2KLG","short_pith_number":"pith:VLYUXNGR","schema_version":"1.0","canonical_sha256":"aaf14bb4d1759209bfc204c83fc74a59ba49de28d0671bc121819459810aebee","source":{"kind":"arxiv","id":"2308.01958","version":1},"attestation_state":"computed","paper":{"title":"Disrupted dwarf binary merger as the possible origin of NGC 2419 and Sagittarius stream substructure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Elliot Y. Davies, N. Wyn Evans, Stephanie Monty, Vasily Belokurov","submitted_at":"2023-08-03T18:00:00Z","abstract_excerpt":"Using $N$-body simulations, we demonstrate that satellite dwarf galaxy pairs which undergo significant mixing ($\\sim 6$ Gyr) can have their respective most bound particles separated great distances upon subsequently merging with a more massive host. This may provide an explanation as to the origin of the complex globular cluster NGC 2149, which is found within the tail of the Sagittarius dwarf spheroidal galaxy, yet separated from its central remnant by over 100 kpc. Dynamical investigations could support the chemical evidence which already points to the NGC 2419 being a nuclear star cluster. "},"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":"2308.01958","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-08-03T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"ffd1c3dea120398460c9e7fc7c21394a44d5623b92ec7c466beb47002946af17","abstract_canon_sha256":"cf4acab4d600d18cd571b61a14f167098cbf1cb7a9c5c007c99dd9bd80382b82"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:37:35.652407Z","signature_b64":"zfhDnx+KSF+5tcy+rCdHBg7AWNhWzqwFVSsDRs5+bCHVeEcgCm92uloxALwzeHV6Ib9asI8eFFD8mJ7vyp2jAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aaf14bb4d1759209bfc204c83fc74a59ba49de28d0671bc121819459810aebee","last_reissued_at":"2026-07-05T06:37:35.652010Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:37:35.652010Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Disrupted dwarf binary merger as the possible origin of NGC 2419 and Sagittarius stream substructure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Elliot Y. Davies, N. Wyn Evans, Stephanie Monty, Vasily Belokurov","submitted_at":"2023-08-03T18:00:00Z","abstract_excerpt":"Using $N$-body simulations, we demonstrate that satellite dwarf galaxy pairs which undergo significant mixing ($\\sim 6$ Gyr) can have their respective most bound particles separated great distances upon subsequently merging with a more massive host. This may provide an explanation as to the origin of the complex globular cluster NGC 2149, which is found within the tail of the Sagittarius dwarf spheroidal galaxy, yet separated from its central remnant by over 100 kpc. Dynamical investigations could support the chemical evidence which already points to the NGC 2419 being a nuclear star cluster. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2308.01958","kind":"arxiv","version":1},"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/2308.01958/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":"2308.01958","created_at":"2026-07-05T06:37:35.652062+00:00"},{"alias_kind":"arxiv_version","alias_value":"2308.01958v1","created_at":"2026-07-05T06:37:35.652062+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2308.01958","created_at":"2026-07-05T06:37:35.652062+00:00"},{"alias_kind":"pith_short_12","alias_value":"VLYUXNGROWJA","created_at":"2026-07-05T06:37:35.652062+00:00"},{"alias_kind":"pith_short_16","alias_value":"VLYUXNGROWJATP6C","created_at":"2026-07-05T06:37:35.652062+00:00"},{"alias_kind":"pith_short_8","alias_value":"VLYUXNGR","created_at":"2026-07-05T06:37:35.652062+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/VLYUXNGROWJATP6CATED7R2KLG","json":"https://pith.science/pith/VLYUXNGROWJATP6CATED7R2KLG.json","graph_json":"https://pith.science/api/pith-number/VLYUXNGROWJATP6CATED7R2KLG/graph.json","events_json":"https://pith.science/api/pith-number/VLYUXNGROWJATP6CATED7R2KLG/events.json","paper":"https://pith.science/paper/VLYUXNGR"},"agent_actions":{"view_html":"https://pith.science/pith/VLYUXNGROWJATP6CATED7R2KLG","download_json":"https://pith.science/pith/VLYUXNGROWJATP6CATED7R2KLG.json","view_paper":"https://pith.science/paper/VLYUXNGR","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2308.01958&json=true","fetch_graph":"https://pith.science/api/pith-number/VLYUXNGROWJATP6CATED7R2KLG/graph.json","fetch_events":"https://pith.science/api/pith-number/VLYUXNGROWJATP6CATED7R2KLG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VLYUXNGROWJATP6CATED7R2KLG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VLYUXNGROWJATP6CATED7R2KLG/action/storage_attestation","attest_author":"https://pith.science/pith/VLYUXNGROWJATP6CATED7R2KLG/action/author_attestation","sign_citation":"https://pith.science/pith/VLYUXNGROWJATP6CATED7R2KLG/action/citation_signature","submit_replication":"https://pith.science/pith/VLYUXNGROWJATP6CATED7R2KLG/action/replication_record"}},"created_at":"2026-07-05T06:37:35.652062+00:00","updated_at":"2026-07-05T06:37:35.652062+00:00"}