{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:GD3CRD6EHTASPTHPWI5276HTST","short_pith_number":"pith:GD3CRD6E","schema_version":"1.0","canonical_sha256":"30f6288fc43cc127ccefb23baff8f394c9a005cbc4e727c24986ba15e6451340","source":{"kind":"arxiv","id":"1002.4565","version":1},"attestation_state":"computed","paper":{"title":"The Masses of the Milky Way and Andromeda galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"(2)NAO, Beijing, Cambridge, China), J. An (2) ((1)IoA, L.L. Watkins (1), N.W. Evans (1)","submitted_at":"2010-02-24T15:46:21Z","abstract_excerpt":"We present a family of robust tracer mass estimators to compute the enclosed mass of galaxy haloes from samples of discrete positional and kinematical data of tracers, such as halo stars, globular clusters and dwarf satellites. The data may be projected positions, distances, line of sight velocities or proper motions. Forms of the estimator tailored for the Milky Way galaxy and for M31 are given. Monte Carlo simulations are used to quantify the uncertainty as a function of sample size. For the Milky Way, the satellite sample consists of 26 galaxies with line-of-sight velocities. We find that t"},"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":"1002.4565","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2010-02-24T15:46:21Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"353553af48a400df10f849f2751efd92cb38c096995efc8d231c002ec204cabb","abstract_canon_sha256":"8c0d40cfef16c0e8f7918e91a1e9b3b67fde5c39219f568f0fcb01e94309b50f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:08:57.249544Z","signature_b64":"6+wOjKznH0fTeZfCyCfwuY6IJ0+bIoTZsGhB+0prkTDXQUbwRae+3u0dyw/aN8bHXTOxrjWCrcDGQdBDTxHkDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"30f6288fc43cc127ccefb23baff8f394c9a005cbc4e727c24986ba15e6451340","last_reissued_at":"2026-05-18T02:08:57.248832Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:08:57.248832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Masses of the Milky Way and Andromeda galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"(2)NAO, Beijing, Cambridge, China), J. An (2) ((1)IoA, L.L. Watkins (1), N.W. Evans (1)","submitted_at":"2010-02-24T15:46:21Z","abstract_excerpt":"We present a family of robust tracer mass estimators to compute the enclosed mass of galaxy haloes from samples of discrete positional and kinematical data of tracers, such as halo stars, globular clusters and dwarf satellites. The data may be projected positions, distances, line of sight velocities or proper motions. Forms of the estimator tailored for the Milky Way galaxy and for M31 are given. Monte Carlo simulations are used to quantify the uncertainty as a function of sample size. For the Milky Way, the satellite sample consists of 26 galaxies with line-of-sight velocities. We find that t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1002.4565","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":""},"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":"1002.4565","created_at":"2026-05-18T02:08:57.248939+00:00"},{"alias_kind":"arxiv_version","alias_value":"1002.4565v1","created_at":"2026-05-18T02:08:57.248939+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1002.4565","created_at":"2026-05-18T02:08:57.248939+00:00"},{"alias_kind":"pith_short_12","alias_value":"GD3CRD6EHTAS","created_at":"2026-05-18T12:26:07.630475+00:00"},{"alias_kind":"pith_short_16","alias_value":"GD3CRD6EHTASPTHP","created_at":"2026-05-18T12:26:07.630475+00:00"},{"alias_kind":"pith_short_8","alias_value":"GD3CRD6E","created_at":"2026-05-18T12:26:07.630475+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/GD3CRD6EHTASPTHPWI5276HTST","json":"https://pith.science/pith/GD3CRD6EHTASPTHPWI5276HTST.json","graph_json":"https://pith.science/api/pith-number/GD3CRD6EHTASPTHPWI5276HTST/graph.json","events_json":"https://pith.science/api/pith-number/GD3CRD6EHTASPTHPWI5276HTST/events.json","paper":"https://pith.science/paper/GD3CRD6E"},"agent_actions":{"view_html":"https://pith.science/pith/GD3CRD6EHTASPTHPWI5276HTST","download_json":"https://pith.science/pith/GD3CRD6EHTASPTHPWI5276HTST.json","view_paper":"https://pith.science/paper/GD3CRD6E","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1002.4565&json=true","fetch_graph":"https://pith.science/api/pith-number/GD3CRD6EHTASPTHPWI5276HTST/graph.json","fetch_events":"https://pith.science/api/pith-number/GD3CRD6EHTASPTHPWI5276HTST/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GD3CRD6EHTASPTHPWI5276HTST/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GD3CRD6EHTASPTHPWI5276HTST/action/storage_attestation","attest_author":"https://pith.science/pith/GD3CRD6EHTASPTHPWI5276HTST/action/author_attestation","sign_citation":"https://pith.science/pith/GD3CRD6EHTASPTHPWI5276HTST/action/citation_signature","submit_replication":"https://pith.science/pith/GD3CRD6EHTASPTHPWI5276HTST/action/replication_record"}},"created_at":"2026-05-18T02:08:57.248939+00:00","updated_at":"2026-05-18T02:08:57.248939+00:00"}