{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:YJDH3YZHZZGCYGCIT7RVZHPIIS","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":"53571145ac07de737d10d5e7c52ea3e9c04d356278060fe6b0d1b961baf5e315","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-06-29T14:44:14Z","title_canon_sha256":"5f64813702b2beac1587a6765b02b4ffb2be3917266acd997a366d88aa3a73e7"},"schema_version":"1.0","source":{"id":"1406.7514","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.7514","created_at":"2026-05-18T02:30:31Z"},{"alias_kind":"arxiv_version","alias_value":"1406.7514v2","created_at":"2026-05-18T02:30:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.7514","created_at":"2026-05-18T02:30:31Z"},{"alias_kind":"pith_short_12","alias_value":"YJDH3YZHZZGC","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YJDH3YZHZZGCYGCI","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YJDH3YZH","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:09fb53307a64c8dc8b18fb62a3af60835ab44a63650dae0c2391263e4622a88b","target":"graph","created_at":"2026-05-18T02:30:31Z","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":"We apply the Statefinder hierarchy and the growth rate of matter perturbations to discriminate modified Chaplygin gas (MCG), generalized Chaplygin gas (GCG), superfluid Chaplygin gas (SCG), purely kinetic k-essence (PKK), and $\\Lambda$CDM model. We plot the evolutional trajectories of these models in the statefinder plane and in the composite diagnostic plane. We find that GCG, MCG, SCG, PKK, and $\\Lambda$CDM can be distinguished well from each other at the present epoch by using the composite diagnostic $\\{\\epsilon(z), S^{(1)}_{5}\\}$. Using other combinations, such as $\\{S^{(1)}_{3}, S^{(1)}_","authors_text":"Bohai Chen, Jun Li, Rong-Jia Yang","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-06-29T14:44:14Z","title":"Discriminating dark energy models by using the statefinder hierarchy and the growth rate of matter perturbations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.7514","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:c9ba3b9b91e6416762c2884800b927ed6f1df95a38d42e2669afc0e0b5980893","target":"record","created_at":"2026-05-18T02:30:31Z","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":"53571145ac07de737d10d5e7c52ea3e9c04d356278060fe6b0d1b961baf5e315","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-06-29T14:44:14Z","title_canon_sha256":"5f64813702b2beac1587a6765b02b4ffb2be3917266acd997a366d88aa3a73e7"},"schema_version":"1.0","source":{"id":"1406.7514","kind":"arxiv","version":2}},"canonical_sha256":"c2467de327ce4c2c18489fe35c9de8448a62bc4977b24aae2e19a2c8f54651b3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2467de327ce4c2c18489fe35c9de8448a62bc4977b24aae2e19a2c8f54651b3","first_computed_at":"2026-05-18T02:30:31.891443Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:30:31.891443Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XuHZES89dXQOlrSweb1OFXexgSBIoIZFxTwZmCV83/SHUpvvFMow81mBY1+AhHNlohnu22j3xhyrfgOKKbC7AA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:30:31.892040Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.7514","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c9ba3b9b91e6416762c2884800b927ed6f1df95a38d42e2669afc0e0b5980893","sha256:09fb53307a64c8dc8b18fb62a3af60835ab44a63650dae0c2391263e4622a88b"],"state_sha256":"de47279505ffddf2e155bd3f4d04c0b50b067447ec0d9945815429ebcb07630d"}