{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:RVQBBMHQWFJAQUDOSD7QWCTLXN","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":"9f44a4b029e6a1ccaf681054e4020ca74d5c90a3a46c57d3300b787cbbc6d7dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-12-11T11:54:04Z","title_canon_sha256":"dbe66f1c72f77040566c1b08a20c76d12d475b5d061f0b05eee7c9c65d9395c9"},"schema_version":"1.0","source":{"id":"1512.03608","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03608","created_at":"2026-05-18T01:16:44Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03608v2","created_at":"2026-05-18T01:16:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03608","created_at":"2026-05-18T01:16:44Z"},{"alias_kind":"pith_short_12","alias_value":"RVQBBMHQWFJA","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"RVQBBMHQWFJAQUDO","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"RVQBBMHQ","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:d5f1975f6e2575c8731c9bd4cc050610a95a55da71e8a6b7bd9de5512c38fe18","target":"graph","created_at":"2026-05-18T01:16:44Z","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":"In this paper, we have considered various dark energy models in the framework of a non-canonical scalar field with a Lagrangian density of the form ${\\cal L}(\\phi, X)=f(\\phi)X{\\left(\\frac{X}{M^{4}_{Pl}}\\right)}^{\\alpha -1} - V(\\phi)$, which provides the standard canonical scalar field model for $\\alpha=1$ and $f(\\phi)=1$. In this particular non-canonical scalar field model, we have carried out the analysis for $\\alpha=2$. We have then obtained cosmological solutions for constant as well as variable equation of state parameter ($\\omega_{\\phi}(z)$) for dark energy. We have also performed the dat","authors_text":"Abdulla Al Mamon, Sudipta Das","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-12-11T11:54:04Z","title":"Study of parametrized dark energy models with a general non-canonical scalar field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03608","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":"sha256:8f669df295b1ff97a143c97e439f828fe9d7fde45dd4b53329869a47b401a285","target":"record","created_at":"2026-05-18T01:16:44Z","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":"9f44a4b029e6a1ccaf681054e4020ca74d5c90a3a46c57d3300b787cbbc6d7dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-12-11T11:54:04Z","title_canon_sha256":"dbe66f1c72f77040566c1b08a20c76d12d475b5d061f0b05eee7c9c65d9395c9"},"schema_version":"1.0","source":{"id":"1512.03608","kind":"arxiv","version":2}},"canonical_sha256":"8d6010b0f0b15208506e90ff0b0a6bbb6e6f6fb579b31f4824e7b5e2d16b1c96","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d6010b0f0b15208506e90ff0b0a6bbb6e6f6fb579b31f4824e7b5e2d16b1c96","first_computed_at":"2026-05-18T01:16:44.759399Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:44.759399Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GjjNFnyP7iFSlfMQxDSnPwyEK2h8pNyC7F99eLSHro/Yvy/V4mgraLooZkurVr4TNTM2HFDtpRUwgQB6oscPAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:44.760179Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.03608","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8f669df295b1ff97a143c97e439f828fe9d7fde45dd4b53329869a47b401a285","sha256:d5f1975f6e2575c8731c9bd4cc050610a95a55da71e8a6b7bd9de5512c38fe18"],"state_sha256":"3439452c027326f2c6993dabb7ffe149a512ef46c16640e2ebfcfb068c13a5c8"}