{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:ZLU5MKLOIDU7GFUFYBOKJ76JZX","short_pith_number":"pith:ZLU5MKLO","schema_version":"1.0","canonical_sha256":"cae9d6296e40e9f31685c05ca4ffc9cdf932dbb90b3eab37d7991ea470ba005e","source":{"kind":"arxiv","id":"1910.12865","version":1},"attestation_state":"computed","paper":{"title":"On the Mass Assembly History of the Local Group","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alexander Knebe, Edoardo Carlesi, Gustavo Yepes, Noam I. Libeskind, Sergey V. Pilipenko, Stefan Gottl\\\"ober, Yehuda Hoffman","submitted_at":"2019-10-28T15:22:29Z","abstract_excerpt":"In this work an ensemble of simulated Local Group analogues is used to constrain the properties of the mass assembly history of the Milky Way (MW) and Andromeda (M31) galaxies. These objects have been obtained using the constrained simulation technique, which ensures that simulated LGs live within a large scale environment akin to the observed one. Our results are compared against a standard $\\Lambda$ Cold Dark Matter ($\\Lambda$CDM) series of simulations which use the same cosmological parameters. This allows us to single out the effects of the constraints on the results. We find that (a) the "},"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":"1910.12865","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-10-28T15:22:29Z","cross_cats_sorted":[],"title_canon_sha256":"dd277fe88e4782b03ec4b12518db8976440a839e45294ed895a7e0a47398c995","abstract_canon_sha256":"552f0e2bdcabdb73902e16ae596fd3ba7016bb367eacf73aadfaecc377de1568"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:30:32.467696Z","signature_b64":"T/1ZHtM9qPjWgYKqKt8dbPmLvOC8rChL/6Jzw3pgjxrlcKw/81sJQQBxN1XOhjLq4Y1b4iM1NYCU7KI+4Mb3AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cae9d6296e40e9f31685c05ca4ffc9cdf932dbb90b3eab37d7991ea470ba005e","last_reissued_at":"2026-07-05T00:30:32.467257Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:30:32.467257Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"On the Mass Assembly History of the Local Group","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alexander Knebe, Edoardo Carlesi, Gustavo Yepes, Noam I. Libeskind, Sergey V. Pilipenko, Stefan Gottl\\\"ober, Yehuda Hoffman","submitted_at":"2019-10-28T15:22:29Z","abstract_excerpt":"In this work an ensemble of simulated Local Group analogues is used to constrain the properties of the mass assembly history of the Milky Way (MW) and Andromeda (M31) galaxies. These objects have been obtained using the constrained simulation technique, which ensures that simulated LGs live within a large scale environment akin to the observed one. Our results are compared against a standard $\\Lambda$ Cold Dark Matter ($\\Lambda$CDM) series of simulations which use the same cosmological parameters. This allows us to single out the effects of the constraints on the results. We find that (a) the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.12865","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/1910.12865/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":"1910.12865","created_at":"2026-07-05T00:30:32.467312+00:00"},{"alias_kind":"arxiv_version","alias_value":"1910.12865v1","created_at":"2026-07-05T00:30:32.467312+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.12865","created_at":"2026-07-05T00:30:32.467312+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZLU5MKLOIDU7","created_at":"2026-07-05T00:30:32.467312+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZLU5MKLOIDU7GFUF","created_at":"2026-07-05T00:30:32.467312+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZLU5MKLO","created_at":"2026-07-05T00:30:32.467312+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/ZLU5MKLOIDU7GFUFYBOKJ76JZX","json":"https://pith.science/pith/ZLU5MKLOIDU7GFUFYBOKJ76JZX.json","graph_json":"https://pith.science/api/pith-number/ZLU5MKLOIDU7GFUFYBOKJ76JZX/graph.json","events_json":"https://pith.science/api/pith-number/ZLU5MKLOIDU7GFUFYBOKJ76JZX/events.json","paper":"https://pith.science/paper/ZLU5MKLO"},"agent_actions":{"view_html":"https://pith.science/pith/ZLU5MKLOIDU7GFUFYBOKJ76JZX","download_json":"https://pith.science/pith/ZLU5MKLOIDU7GFUFYBOKJ76JZX.json","view_paper":"https://pith.science/paper/ZLU5MKLO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1910.12865&json=true","fetch_graph":"https://pith.science/api/pith-number/ZLU5MKLOIDU7GFUFYBOKJ76JZX/graph.json","fetch_events":"https://pith.science/api/pith-number/ZLU5MKLOIDU7GFUFYBOKJ76JZX/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZLU5MKLOIDU7GFUFYBOKJ76JZX/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZLU5MKLOIDU7GFUFYBOKJ76JZX/action/storage_attestation","attest_author":"https://pith.science/pith/ZLU5MKLOIDU7GFUFYBOKJ76JZX/action/author_attestation","sign_citation":"https://pith.science/pith/ZLU5MKLOIDU7GFUFYBOKJ76JZX/action/citation_signature","submit_replication":"https://pith.science/pith/ZLU5MKLOIDU7GFUFYBOKJ76JZX/action/replication_record"}},"created_at":"2026-07-05T00:30:32.467312+00:00","updated_at":"2026-07-05T00:30:32.467312+00:00"}