{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:LKMNAGWT72FSVKTAP2AMWADTK5","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ce9c802652e2816fc2103c334e9967191f2407f18dc4c23c3781cdba4fbd78ca","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-10-09T15:18:34Z","title_canon_sha256":"c5cfe06676ea949c6ae0c9959770fb5bebcaeb317c7d214f95ef703eff551469"},"schema_version":"1.0","source":{"id":"2310.05786","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.05786","created_at":"2026-07-05T07:14:18Z"},{"alias_kind":"arxiv_version","alias_value":"2310.05786v2","created_at":"2026-07-05T07:14:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.05786","created_at":"2026-07-05T07:14:18Z"},{"alias_kind":"pith_short_12","alias_value":"LKMNAGWT72FS","created_at":"2026-07-05T07:14:18Z"},{"alias_kind":"pith_short_16","alias_value":"LKMNAGWT72FSVKTA","created_at":"2026-07-05T07:14:18Z"},{"alias_kind":"pith_short_8","alias_value":"LKMNAGWT","created_at":"2026-07-05T07:14:18Z"}],"graph_snapshots":[{"event_id":"sha256:433c5b0a1b72e0f6d506fb9deef0f33130fe4c96f4c56099c30bf72c53a4f983","target":"graph","created_at":"2026-07-05T07:14:18Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2310.05786/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We test the convergence of fast simulations based on the COmoving Lagrangian Acceleration (COLA) method for predictions of the matter power spectrum, specialising our analysis in the redshift range $1 \\le z \\le 1.65$, relevant to high-redshift spectroscopic galaxy surveys. We then focus on the enhancement of the matter power spectrum in modified gravity (MG), the boost factor, using the Dvali-Gabadadze-Porrati (DGP) theory as a test case but developing a general approach that can be applied to other MG theories. After identifying the minimal simulation requirements for accurate DGP boost facto","authors_text":"Bartolomeo Fiorini, Kazuya Koyama, Tessa Baker","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-10-09T15:18:34Z","title":"Fast production of cosmological emulators in modified gravity: the matter power spectrum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.05786","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:12598ca8cbf827be2a002eb6130a17da52cdd1a191e1e1b2f938e1921b6e2333","target":"record","created_at":"2026-07-05T07:14:18Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"ce9c802652e2816fc2103c334e9967191f2407f18dc4c23c3781cdba4fbd78ca","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2023-10-09T15:18:34Z","title_canon_sha256":"c5cfe06676ea949c6ae0c9959770fb5bebcaeb317c7d214f95ef703eff551469"},"schema_version":"1.0","source":{"id":"2310.05786","kind":"arxiv","version":2}},"canonical_sha256":"5a98d01ad3fe8b2aaa607e80cb0073576c6a4df831a589517b59656761b78af5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a98d01ad3fe8b2aaa607e80cb0073576c6a4df831a589517b59656761b78af5","first_computed_at":"2026-07-05T07:14:18.511672Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:14:18.511672Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"98VGJaHlQnfebYkWvIvNU1Hxc4EPRAlrWwh4gKnnUkLWIp1OfM7d5AR9dTomHp1fWKJ3t5uDeo5zSv/slpnRCw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:14:18.512108Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.05786","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12598ca8cbf827be2a002eb6130a17da52cdd1a191e1e1b2f938e1921b6e2333","sha256:433c5b0a1b72e0f6d506fb9deef0f33130fe4c96f4c56099c30bf72c53a4f983"],"state_sha256":"c10d8db3c7bc50bc92021c8de774907024b0e21ce4c8a2e38ff22be930fcd7e0"}