{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:AEC35LKQS7SGDIPIYZ5CPPLYHR","short_pith_number":"pith:AEC35LKQ","schema_version":"1.0","canonical_sha256":"0105bead5097e461a1e8c67a27bd783c495d30cfced52275c76b69065c888705","source":{"kind":"arxiv","id":"1312.6328","version":3},"attestation_state":"computed","paper":{"title":"Large-scale stable interacting dark energy model: Cosmological perturbations and observational constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Xin Zhang, Yun-He Li","submitted_at":"2013-12-22T01:58:54Z","abstract_excerpt":"Dark energy might interact with cold dark matter in a direct, nongravitational way. However, the usual interacting dark energy models (with constant $w$) suffer from some catastrophic difficulties. For example, the $Q\\propto\\rho_{\\rm c}$ model leads to an early-time large-scale instability, and the $Q\\propto\\rho_{\\rm de}$ model gives rise to the future unphysical result for cold dark matter density (in the case of a positive coupling). In order to overcome these fatal flaws, we propose in this paper an interacting dark energy model (with constant $w$) in which the interaction term is carefully"},"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":"1312.6328","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-12-22T01:58:54Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"97532d4d568a32aea9714dbc87840f7e625912515453d4066bff4e1596d3ad0f","abstract_canon_sha256":"5cc5ed247d5cfa7a38b662548f051900c1189223fe9cd8727e91476477033bc9"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:53:17.331868Z","signature_b64":"IfkaQfrANac2f+GX9NiKSgAoQBGol52xOwP6dukWu6BWfhBNnw1eW6ZTURSD/02X9AMmFSnqix+ZgnBaXTAOBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0105bead5097e461a1e8c67a27bd783c495d30cfced52275c76b69065c888705","last_reissued_at":"2026-05-18T02:53:17.331110Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:53:17.331110Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Large-scale stable interacting dark energy model: Cosmological perturbations and observational constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Xin Zhang, Yun-He Li","submitted_at":"2013-12-22T01:58:54Z","abstract_excerpt":"Dark energy might interact with cold dark matter in a direct, nongravitational way. However, the usual interacting dark energy models (with constant $w$) suffer from some catastrophic difficulties. For example, the $Q\\propto\\rho_{\\rm c}$ model leads to an early-time large-scale instability, and the $Q\\propto\\rho_{\\rm de}$ model gives rise to the future unphysical result for cold dark matter density (in the case of a positive coupling). In order to overcome these fatal flaws, we propose in this paper an interacting dark energy model (with constant $w$) in which the interaction term is carefully"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1312.6328","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":""},"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":"1312.6328","created_at":"2026-05-18T02:53:17.331235+00:00"},{"alias_kind":"arxiv_version","alias_value":"1312.6328v3","created_at":"2026-05-18T02:53:17.331235+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1312.6328","created_at":"2026-05-18T02:53:17.331235+00:00"},{"alias_kind":"pith_short_12","alias_value":"AEC35LKQS7SG","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_16","alias_value":"AEC35LKQS7SGDIPI","created_at":"2026-05-18T12:27:38.830355+00:00"},{"alias_kind":"pith_short_8","alias_value":"AEC35LKQ","created_at":"2026-05-18T12:27:38.830355+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/AEC35LKQS7SGDIPIYZ5CPPLYHR","json":"https://pith.science/pith/AEC35LKQS7SGDIPIYZ5CPPLYHR.json","graph_json":"https://pith.science/api/pith-number/AEC35LKQS7SGDIPIYZ5CPPLYHR/graph.json","events_json":"https://pith.science/api/pith-number/AEC35LKQS7SGDIPIYZ5CPPLYHR/events.json","paper":"https://pith.science/paper/AEC35LKQ"},"agent_actions":{"view_html":"https://pith.science/pith/AEC35LKQS7SGDIPIYZ5CPPLYHR","download_json":"https://pith.science/pith/AEC35LKQS7SGDIPIYZ5CPPLYHR.json","view_paper":"https://pith.science/paper/AEC35LKQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1312.6328&json=true","fetch_graph":"https://pith.science/api/pith-number/AEC35LKQS7SGDIPIYZ5CPPLYHR/graph.json","fetch_events":"https://pith.science/api/pith-number/AEC35LKQS7SGDIPIYZ5CPPLYHR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AEC35LKQS7SGDIPIYZ5CPPLYHR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AEC35LKQS7SGDIPIYZ5CPPLYHR/action/storage_attestation","attest_author":"https://pith.science/pith/AEC35LKQS7SGDIPIYZ5CPPLYHR/action/author_attestation","sign_citation":"https://pith.science/pith/AEC35LKQS7SGDIPIYZ5CPPLYHR/action/citation_signature","submit_replication":"https://pith.science/pith/AEC35LKQS7SGDIPIYZ5CPPLYHR/action/replication_record"}},"created_at":"2026-05-18T02:53:17.331235+00:00","updated_at":"2026-05-18T02:53:17.331235+00:00"}