{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:CI5H5VGQHFUAF5KZ4RGARM3LEG","short_pith_number":"pith:CI5H5VGQ","schema_version":"1.0","canonical_sha256":"123a7ed4d0396802f559e44c08b36b21bffb317a3d3cc96fddeeee232fac3930","source":{"kind":"arxiv","id":"1504.07243","version":1},"attestation_state":"computed","paper":{"title":"Effects of Coupled Dark Energy on the Milky Way and its Satellites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Andrea V. Macci\\`o, Camilla Penzo, Jose O\\~norbe, Luciano Casarini, Marco Baldi","submitted_at":"2015-04-27T20:01:06Z","abstract_excerpt":"We present the first numerical simulations in coupled dark energy cosmologies with high enough resolution to investigate the effects of the coupling on galactic and sub-galactic scales. We choose two constant couplings and a time-varying coupling function and we run simulations of three Milky-Way-size halos ($\\sim$10$^{12}$M$_{\\odot}$), a lower mass halo (6$\\times$10$^{11}$M$_{\\odot}$) and a dwarf galaxy halo (5$\\times$10$^{9}$M$_{\\odot}$). We resolve each halo with several millions dark matter particles. On all scales the coupling causes lower halo concentrations and a reduced number of subst"},"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":"1504.07243","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-04-27T20:01:06Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"152ef5bf83e49dd508837d3ad1ea37bb0ffed41a4e90b76e42ac8e65134b80c5","abstract_canon_sha256":"d44317c744474f604d3878a9547f6e26098fadb1a8e95f48cad5a177b4bc4ae7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:33.402786Z","signature_b64":"mndPmlPfVIcDeQ19j1qjWhy6eY9eMS9sHqq++/1OpjJjUvh3cvtz24z7d07l76aDJV8BuyvzFvzY+FCrxIjaDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"123a7ed4d0396802f559e44c08b36b21bffb317a3d3cc96fddeeee232fac3930","last_reissued_at":"2026-05-18T01:10:33.402070Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:33.402070Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Effects of Coupled Dark Energy on the Milky Way and its Satellites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Andrea V. Macci\\`o, Camilla Penzo, Jose O\\~norbe, Luciano Casarini, Marco Baldi","submitted_at":"2015-04-27T20:01:06Z","abstract_excerpt":"We present the first numerical simulations in coupled dark energy cosmologies with high enough resolution to investigate the effects of the coupling on galactic and sub-galactic scales. We choose two constant couplings and a time-varying coupling function and we run simulations of three Milky-Way-size halos ($\\sim$10$^{12}$M$_{\\odot}$), a lower mass halo (6$\\times$10$^{11}$M$_{\\odot}$) and a dwarf galaxy halo (5$\\times$10$^{9}$M$_{\\odot}$). We resolve each halo with several millions dark matter particles. On all scales the coupling causes lower halo concentrations and a reduced number of subst"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.07243","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":"1504.07243","created_at":"2026-05-18T01:10:33.402190+00:00"},{"alias_kind":"arxiv_version","alias_value":"1504.07243v1","created_at":"2026-05-18T01:10:33.402190+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.07243","created_at":"2026-05-18T01:10:33.402190+00:00"},{"alias_kind":"pith_short_12","alias_value":"CI5H5VGQHFUA","created_at":"2026-05-18T12:29:14.074870+00:00"},{"alias_kind":"pith_short_16","alias_value":"CI5H5VGQHFUAF5KZ","created_at":"2026-05-18T12:29:14.074870+00:00"},{"alias_kind":"pith_short_8","alias_value":"CI5H5VGQ","created_at":"2026-05-18T12:29:14.074870+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/CI5H5VGQHFUAF5KZ4RGARM3LEG","json":"https://pith.science/pith/CI5H5VGQHFUAF5KZ4RGARM3LEG.json","graph_json":"https://pith.science/api/pith-number/CI5H5VGQHFUAF5KZ4RGARM3LEG/graph.json","events_json":"https://pith.science/api/pith-number/CI5H5VGQHFUAF5KZ4RGARM3LEG/events.json","paper":"https://pith.science/paper/CI5H5VGQ"},"agent_actions":{"view_html":"https://pith.science/pith/CI5H5VGQHFUAF5KZ4RGARM3LEG","download_json":"https://pith.science/pith/CI5H5VGQHFUAF5KZ4RGARM3LEG.json","view_paper":"https://pith.science/paper/CI5H5VGQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1504.07243&json=true","fetch_graph":"https://pith.science/api/pith-number/CI5H5VGQHFUAF5KZ4RGARM3LEG/graph.json","fetch_events":"https://pith.science/api/pith-number/CI5H5VGQHFUAF5KZ4RGARM3LEG/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CI5H5VGQHFUAF5KZ4RGARM3LEG/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CI5H5VGQHFUAF5KZ4RGARM3LEG/action/storage_attestation","attest_author":"https://pith.science/pith/CI5H5VGQHFUAF5KZ4RGARM3LEG/action/author_attestation","sign_citation":"https://pith.science/pith/CI5H5VGQHFUAF5KZ4RGARM3LEG/action/citation_signature","submit_replication":"https://pith.science/pith/CI5H5VGQHFUAF5KZ4RGARM3LEG/action/replication_record"}},"created_at":"2026-05-18T01:10:33.402190+00:00","updated_at":"2026-05-18T01:10:33.402190+00:00"}