{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:7HVWCO25K7C3565BCGKQPSEWH5","short_pith_number":"pith:7HVWCO25","schema_version":"1.0","canonical_sha256":"f9eb613b5d57c5befba1119507c8963f4520aa2250b6feff0e29373384986847","source":{"kind":"arxiv","id":"1511.06816","version":2},"attestation_state":"computed","paper":{"title":"Matrix Model Approach to Cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"A. Chaney, A. Stern, Lei Lu","submitted_at":"2015-11-21T02:03:42Z","abstract_excerpt":"We perform a systematic search for rotationally invariant cosmological solutions to matrix models, or more specifically the bosonic sector of Lorentzian IKKT-type matrix models, in dimensions $d$ less than ten, specifically $d=3$ and $d=5$. After taking a continuum (or commutative) limit they yield $d-1$ dimensional space-time surfaces, with an attached Poisson structure, which can be associated with closed, open or static cosmologies. For $d=3$, we obtain recursion relations from which it is possible to generate rotationally invariant matrix solutions which yield open universes in the continu"},"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":"1511.06816","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2015-11-21T02:03:42Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"a4adbfc39eb94892fbf4970ba46e2bf09102550a5aa6170c9bfd1ab6c737a70b","abstract_canon_sha256":"2c8261b76b223d62f3c61eedbcfd8757c1be76846108b08452c91eb6ac038b76"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:42.888461Z","signature_b64":"XoloA2O3fHkWXJBSAeeCeZvkQrZgrdSfm3APeLwWJ2jnGodp/oJcyRHMXdIVgjREsXmnz5GB2Yqs9PveV/lyAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f9eb613b5d57c5befba1119507c8963f4520aa2250b6feff0e29373384986847","last_reissued_at":"2026-05-18T01:17:42.887700Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:42.887700Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Matrix Model Approach to Cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"A. Chaney, A. Stern, Lei Lu","submitted_at":"2015-11-21T02:03:42Z","abstract_excerpt":"We perform a systematic search for rotationally invariant cosmological solutions to matrix models, or more specifically the bosonic sector of Lorentzian IKKT-type matrix models, in dimensions $d$ less than ten, specifically $d=3$ and $d=5$. After taking a continuum (or commutative) limit they yield $d-1$ dimensional space-time surfaces, with an attached Poisson structure, which can be associated with closed, open or static cosmologies. For $d=3$, we obtain recursion relations from which it is possible to generate rotationally invariant matrix solutions which yield open universes in the continu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.06816","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":""},"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":"1511.06816","created_at":"2026-05-18T01:17:42.887815+00:00"},{"alias_kind":"arxiv_version","alias_value":"1511.06816v2","created_at":"2026-05-18T01:17:42.887815+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.06816","created_at":"2026-05-18T01:17:42.887815+00:00"},{"alias_kind":"pith_short_12","alias_value":"7HVWCO25K7C3","created_at":"2026-05-18T12:29:10.953037+00:00"},{"alias_kind":"pith_short_16","alias_value":"7HVWCO25K7C3565B","created_at":"2026-05-18T12:29:10.953037+00:00"},{"alias_kind":"pith_short_8","alias_value":"7HVWCO25","created_at":"2026-05-18T12:29:10.953037+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/7HVWCO25K7C3565BCGKQPSEWH5","json":"https://pith.science/pith/7HVWCO25K7C3565BCGKQPSEWH5.json","graph_json":"https://pith.science/api/pith-number/7HVWCO25K7C3565BCGKQPSEWH5/graph.json","events_json":"https://pith.science/api/pith-number/7HVWCO25K7C3565BCGKQPSEWH5/events.json","paper":"https://pith.science/paper/7HVWCO25"},"agent_actions":{"view_html":"https://pith.science/pith/7HVWCO25K7C3565BCGKQPSEWH5","download_json":"https://pith.science/pith/7HVWCO25K7C3565BCGKQPSEWH5.json","view_paper":"https://pith.science/paper/7HVWCO25","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1511.06816&json=true","fetch_graph":"https://pith.science/api/pith-number/7HVWCO25K7C3565BCGKQPSEWH5/graph.json","fetch_events":"https://pith.science/api/pith-number/7HVWCO25K7C3565BCGKQPSEWH5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7HVWCO25K7C3565BCGKQPSEWH5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7HVWCO25K7C3565BCGKQPSEWH5/action/storage_attestation","attest_author":"https://pith.science/pith/7HVWCO25K7C3565BCGKQPSEWH5/action/author_attestation","sign_citation":"https://pith.science/pith/7HVWCO25K7C3565BCGKQPSEWH5/action/citation_signature","submit_replication":"https://pith.science/pith/7HVWCO25K7C3565BCGKQPSEWH5/action/replication_record"}},"created_at":"2026-05-18T01:17:42.887815+00:00","updated_at":"2026-05-18T01:17:42.887815+00:00"}