{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:2PDPIASHJHHNAWSVDNTU6VUR6X","short_pith_number":"pith:2PDPIASH","schema_version":"1.0","canonical_sha256":"d3c6f4024749ced05a551b674f5691f5e43ca44e4460d36217453dcac004edb4","source":{"kind":"arxiv","id":"1803.09767","version":2},"attestation_state":"computed","paper":{"title":"Unifying Dark Matter and Dark Energy with non-Canonical Scalars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Swagat S. Mishra, Varun Sahni","submitted_at":"2018-03-26T18:00:43Z","abstract_excerpt":"Non-canonical scalar fields with the Lagrangian ${\\cal L} = X^\\alpha - V(\\phi)$, possess the attractive property that the speed of sound, $c_s^{2} = (2\\,\\alpha - 1)^{-1}$, can be exceedingly small for large values of $\\alpha$. This allows a non-canonical field to cluster and behave like warm/cold dark matter on small scales. We demonstrate that simple potentials including $V = V_0\\coth^2{\\phi}$ and a Starobinsky-type potential can unify dark matter and dark energy. Cascading dark energy, in which the potential cascades to lower values in a series of discrete steps, can also work as a unified m"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1803.09767","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-03-26T18:00:43Z","cross_cats_sorted":["astro-ph.CO","hep-ph","hep-th"],"title_canon_sha256":"7d1a351433e996ba1edc34ffdb7402332fd2874e5dbc87e6b7e3c560f32f42e3","abstract_canon_sha256":"3723ab7592d515b6a0399e5acff8c5e91d6d99af7ff18cd27b6c60c0a650d66a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:30.818864Z","signature_b64":"CZ+gQZSYKboKQbCQ/LVV4hD78UU1DzvHpYnNdnvS3Nq932WSfyMnyyJB90onUzAKLX3nZJK8HxHNLojWSrlfCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d3c6f4024749ced05a551b674f5691f5e43ca44e4460d36217453dcac004edb4","last_reissued_at":"2026-05-18T00:18:30.818483Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:30.818483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Unifying Dark Matter and Dark Energy with non-Canonical Scalars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Swagat S. Mishra, Varun Sahni","submitted_at":"2018-03-26T18:00:43Z","abstract_excerpt":"Non-canonical scalar fields with the Lagrangian ${\\cal L} = X^\\alpha - V(\\phi)$, possess the attractive property that the speed of sound, $c_s^{2} = (2\\,\\alpha - 1)^{-1}$, can be exceedingly small for large values of $\\alpha$. This allows a non-canonical field to cluster and behave like warm/cold dark matter on small scales. We demonstrate that simple potentials including $V = V_0\\coth^2{\\phi}$ and a Starobinsky-type potential can unify dark matter and dark energy. Cascading dark energy, in which the potential cascades to lower values in a series of discrete steps, can also work as a unified m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1803.09767","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1803.09767","created_at":"2026-05-18T00:18:30.818546+00:00"},{"alias_kind":"arxiv_version","alias_value":"1803.09767v2","created_at":"2026-05-18T00:18:30.818546+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1803.09767","created_at":"2026-05-18T00:18:30.818546+00:00"},{"alias_kind":"pith_short_12","alias_value":"2PDPIASHJHHN","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_16","alias_value":"2PDPIASHJHHNAWSV","created_at":"2026-05-18T12:32:02.567920+00:00"},{"alias_kind":"pith_short_8","alias_value":"2PDPIASH","created_at":"2026-05-18T12:32:02.567920+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2PDPIASHJHHNAWSVDNTU6VUR6X","json":"https://pith.science/pith/2PDPIASHJHHNAWSVDNTU6VUR6X.json","graph_json":"https://pith.science/api/pith-number/2PDPIASHJHHNAWSVDNTU6VUR6X/graph.json","events_json":"https://pith.science/api/pith-number/2PDPIASHJHHNAWSVDNTU6VUR6X/events.json","paper":"https://pith.science/paper/2PDPIASH"},"agent_actions":{"view_html":"https://pith.science/pith/2PDPIASHJHHNAWSVDNTU6VUR6X","download_json":"https://pith.science/pith/2PDPIASHJHHNAWSVDNTU6VUR6X.json","view_paper":"https://pith.science/paper/2PDPIASH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1803.09767&json=true","fetch_graph":"https://pith.science/api/pith-number/2PDPIASHJHHNAWSVDNTU6VUR6X/graph.json","fetch_events":"https://pith.science/api/pith-number/2PDPIASHJHHNAWSVDNTU6VUR6X/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2PDPIASHJHHNAWSVDNTU6VUR6X/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2PDPIASHJHHNAWSVDNTU6VUR6X/action/storage_attestation","attest_author":"https://pith.science/pith/2PDPIASHJHHNAWSVDNTU6VUR6X/action/author_attestation","sign_citation":"https://pith.science/pith/2PDPIASHJHHNAWSVDNTU6VUR6X/action/citation_signature","submit_replication":"https://pith.science/pith/2PDPIASHJHHNAWSVDNTU6VUR6X/action/replication_record"}},"created_at":"2026-05-18T00:18:30.818546+00:00","updated_at":"2026-05-18T00:18:30.818546+00:00"}