{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1999:ZSLR46OBU6UOPRIIWK7GRQ534B","short_pith_number":"pith:ZSLR46OB","schema_version":"1.0","canonical_sha256":"cc971e79c1a7a8e7c508b2be68c3bbe04789dd81fef2e308f271324f12cd0707","source":{"kind":"arxiv","id":"astro-ph/9910097","version":3},"attestation_state":"computed","paper":{"title":"A New Cosmological Model of Quintessence and Dark Matter","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Limin Wang, Varun Sahni","submitted_at":"1999-10-05T23:01:52Z","abstract_excerpt":"We propose a new class of quintessence models in which late times oscillations of a scalar field give rise to an effective equation of state which can be negative and hence drive the observed acceleration of the universe. Our ansatz provides a unified picture of quintessence and a new form of dark matter we call \"Frustrated Cold Dark Matter\" (FCDM). FCDM inhibits gravitational clustering on small scales and could provide a natural resolution to the core density problem for disc galaxy halos. Since the quintessence field rolls towards a small value, constraints on slow-roll quintessence models "},"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":"astro-ph/9910097","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1999-10-05T23:01:52Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"9813869e4261badcc459702a3cc394a9863dc2ae3d0dbe999d1acc76584b87b1","abstract_canon_sha256":"1324387bcd4468e1c37ab6849510c7a1f16b71c09bb838a8132e1acc392574ab"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:11:40.567061Z","signature_b64":"cEqBomzVnHwc0UEmP7v9Sf12twSfDJ5hHeEy+/XaYxFmOPHMuTtQ1rqlWhPqNJe3EWh+3CwvnKILLqa0p6j7CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cc971e79c1a7a8e7c508b2be68c3bbe04789dd81fef2e308f271324f12cd0707","last_reissued_at":"2026-07-04T16:11:40.566654Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:11:40.566654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A New Cosmological Model of Quintessence and Dark Matter","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Limin Wang, Varun Sahni","submitted_at":"1999-10-05T23:01:52Z","abstract_excerpt":"We propose a new class of quintessence models in which late times oscillations of a scalar field give rise to an effective equation of state which can be negative and hence drive the observed acceleration of the universe. Our ansatz provides a unified picture of quintessence and a new form of dark matter we call \"Frustrated Cold Dark Matter\" (FCDM). FCDM inhibits gravitational clustering on small scales and could provide a natural resolution to the core density problem for disc galaxy halos. Since the quintessence field rolls towards a small value, constraints on slow-roll quintessence models "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9910097","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/9910097/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"astro-ph/9910097","created_at":"2026-07-04T16:11:40.566710+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9910097v3","created_at":"2026-07-04T16:11:40.566710+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9910097","created_at":"2026-07-04T16:11:40.566710+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZSLR46OBU6UO","created_at":"2026-07-04T16:11:40.566710+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZSLR46OBU6UOPRII","created_at":"2026-07-04T16:11:40.566710+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZSLR46OB","created_at":"2026-07-04T16:11:40.566710+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"1705.11098","citing_title":"Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution","ref_index":42,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZSLR46OBU6UOPRIIWK7GRQ534B","json":"https://pith.science/pith/ZSLR46OBU6UOPRIIWK7GRQ534B.json","graph_json":"https://pith.science/api/pith-number/ZSLR46OBU6UOPRIIWK7GRQ534B/graph.json","events_json":"https://pith.science/api/pith-number/ZSLR46OBU6UOPRIIWK7GRQ534B/events.json","paper":"https://pith.science/paper/ZSLR46OB"},"agent_actions":{"view_html":"https://pith.science/pith/ZSLR46OBU6UOPRIIWK7GRQ534B","download_json":"https://pith.science/pith/ZSLR46OBU6UOPRIIWK7GRQ534B.json","view_paper":"https://pith.science/paper/ZSLR46OB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9910097&json=true","fetch_graph":"https://pith.science/api/pith-number/ZSLR46OBU6UOPRIIWK7GRQ534B/graph.json","fetch_events":"https://pith.science/api/pith-number/ZSLR46OBU6UOPRIIWK7GRQ534B/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZSLR46OBU6UOPRIIWK7GRQ534B/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZSLR46OBU6UOPRIIWK7GRQ534B/action/storage_attestation","attest_author":"https://pith.science/pith/ZSLR46OBU6UOPRIIWK7GRQ534B/action/author_attestation","sign_citation":"https://pith.science/pith/ZSLR46OBU6UOPRIIWK7GRQ534B/action/citation_signature","submit_replication":"https://pith.science/pith/ZSLR46OBU6UOPRIIWK7GRQ534B/action/replication_record"}},"created_at":"2026-07-04T16:11:40.566710+00:00","updated_at":"2026-07-04T16:11:40.566710+00:00"}