{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:BIABCZGC2VA46IW6TQARRAICUU","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":"410a9ac351707df8d1aa99a046cc119942f714224d0546c22f690ecbe0941962","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-12-21T04:15:35Z","title_canon_sha256":"9d05aa7909ce3058d83cfcc9681f4332a46ecdbf8b9694d019ba0e061b3dee82"},"schema_version":"1.0","source":{"id":"1812.08937","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.08937","created_at":"2026-05-17T23:45:20Z"},{"alias_kind":"arxiv_version","alias_value":"1812.08937v2","created_at":"2026-05-17T23:45:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.08937","created_at":"2026-05-17T23:45:20Z"},{"alias_kind":"pith_short_12","alias_value":"BIABCZGC2VA4","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"BIABCZGC2VA46IW6","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"BIABCZGC","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:0d8972832df7d888b8f3551d85886ac58656597bc35e4f0dfd5e42273c773a1c","target":"graph","created_at":"2026-05-17T23:45:20Z","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"},"paper":{"abstract_excerpt":"Different regularizations of the Hamiltonian constraint in loop quantum cosmology yield modified loop quantum cosmologies, namely mLQC-I and mLQC-II, which lead to qualitatively different Planck scale physics. We perform a comprehensive analysis of resolution of various singularities in these modified loop cosmologies using effective spacetime description and compare with earlier results in standard loop quantum cosmology. We show that the volume remains non-zero and finite in finite time evolution for all considered loop cosmological models. Interestingly, even though expansion scalar and ene","authors_text":"Parampreet Singh, Sahil Saini","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-12-21T04:15:35Z","title":"Generic absence of strong singularities and geodesic completeness in modified loop quantum cosmologies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.08937","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:c07c23e37f446298228d864b2c7cb7ccd046141aeed5af42d8b62bf9507bda3d","target":"record","created_at":"2026-05-17T23:45:20Z","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":"410a9ac351707df8d1aa99a046cc119942f714224d0546c22f690ecbe0941962","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-12-21T04:15:35Z","title_canon_sha256":"9d05aa7909ce3058d83cfcc9681f4332a46ecdbf8b9694d019ba0e061b3dee82"},"schema_version":"1.0","source":{"id":"1812.08937","kind":"arxiv","version":2}},"canonical_sha256":"0a001164c2d541cf22de9c01188102a538f2eeafbc5ec68b171c7c8004b7cf05","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a001164c2d541cf22de9c01188102a538f2eeafbc5ec68b171c7c8004b7cf05","first_computed_at":"2026-05-17T23:45:20.413212Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:20.413212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"44rWys9cd7dx74TUSVQIv90Wre8dW1270rw4aJrY5ITg5VTv6cf63Op/7kTjwWwbl4MSqoDE96HCqU+tMCXeBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:20.413774Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.08937","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c07c23e37f446298228d864b2c7cb7ccd046141aeed5af42d8b62bf9507bda3d","sha256:0d8972832df7d888b8f3551d85886ac58656597bc35e4f0dfd5e42273c773a1c"],"state_sha256":"cca8238e8c2bdda5338e2ab777f2da7fe79c852102989357c761fe13388a3c99"}