{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:TUGJ73KCTJIDQFMPDADEFD7JHH","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":"7d1d2e769de73a50b18b7c7f7f1ce0a41c4a9ca17ff6747096e04d2f1a4948c9","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-12-18T19:00:26Z","title_canon_sha256":"08731c8cf5958293bc941717a0de21e10d19293ffe65c4b451c530bcc607129c"},"schema_version":"1.0","source":{"id":"2012.10462","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.10462","created_at":"2026-07-05T02:27:34Z"},{"alias_kind":"arxiv_version","alias_value":"2012.10462v1","created_at":"2026-07-05T02:27:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.10462","created_at":"2026-07-05T02:27:34Z"},{"alias_kind":"pith_short_12","alias_value":"TUGJ73KCTJID","created_at":"2026-07-05T02:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"TUGJ73KCTJIDQFMP","created_at":"2026-07-05T02:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"TUGJ73KC","created_at":"2026-07-05T02:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:5fc787e6d5777e05937d013b94b636343977772e609cead2148c54c4d5ce6a98","target":"graph","created_at":"2026-07-05T02:27:34Z","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/2012.10462/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A union of matter bounce and Ekpyrotic scenarios is often studied in an attempt to combine the most promising features of these two models. Since non-perturbative quantum geometric effects in loop quantum cosmology (LQC) result in natural bouncing scenarios without any violation of energy conditions or fine tuning, an investigation of matter-Ekpyrotic bounce scenario is interesting to explore in this quantum gravitational setting. In this work, we explore this unified phenomenological model for a spatially flat Friedmann-Lema\\^itre-Robertson-Walker (FLRW) universe in LQC filled with dust and a","authors_text":"Bao-Fei Li, 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":"2020-12-18T19:00:26Z","title":"Primordial power spectrum from a matter-Ekpyrotic bounce scenario in loop quantum cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.10462","kind":"arxiv","version":1},"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:fa17776c0674d003b2cbe677382c5843a121320b544bad32ff14ba1b4a011621","target":"record","created_at":"2026-07-05T02:27:34Z","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":"7d1d2e769de73a50b18b7c7f7f1ce0a41c4a9ca17ff6747096e04d2f1a4948c9","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2020-12-18T19:00:26Z","title_canon_sha256":"08731c8cf5958293bc941717a0de21e10d19293ffe65c4b451c530bcc607129c"},"schema_version":"1.0","source":{"id":"2012.10462","kind":"arxiv","version":1}},"canonical_sha256":"9d0c9fed429a5038158f1806428fe939ca6e7cfcde68e5b5361ea1245d4ed2d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d0c9fed429a5038158f1806428fe939ca6e7cfcde68e5b5361ea1245d4ed2d5","first_computed_at":"2026-07-05T02:27:34.944592Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:27:34.944592Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wnLZ+CzPU4WsVSVvPX0QVJLJuNdBgFHbYBjYkNvD4zyKyMymzb8l+UVf+qwl7I+Qp1C8qopqhWr6n0jJVNBcDg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:27:34.945044Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.10462","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fa17776c0674d003b2cbe677382c5843a121320b544bad32ff14ba1b4a011621","sha256:5fc787e6d5777e05937d013b94b636343977772e609cead2148c54c4d5ce6a98"],"state_sha256":"a3614fe6b06ce02a685db5d4483ac83a9f2c9e47942289006ff279afc4993d70"}