{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:NK4SDDO3PNWOW5DSMDPBP6TVW4","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":"395bc75d9a4a696248187df15e7d43db2faafe6dce1c287272f6d225048c0544","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-09-13T09:32:11Z","title_canon_sha256":"c5c56579997909c8475437b42efb84ed1f29d7be11a44aa9577d2297f11b1c35"},"schema_version":"1.0","source":{"id":"1809.04854","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.04854","created_at":"2026-07-05T00:52:44Z"},{"alias_kind":"arxiv_version","alias_value":"1809.04854v2","created_at":"2026-07-05T00:52:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.04854","created_at":"2026-07-05T00:52:44Z"},{"alias_kind":"pith_short_12","alias_value":"NK4SDDO3PNWO","created_at":"2026-07-05T00:52:44Z"},{"alias_kind":"pith_short_16","alias_value":"NK4SDDO3PNWOW5DS","created_at":"2026-07-05T00:52:44Z"},{"alias_kind":"pith_short_8","alias_value":"NK4SDDO3","created_at":"2026-07-05T00:52:44Z"}],"graph_snapshots":[{"event_id":"sha256:c0b08dd03856de55ce0dea0fac70b642f625cb76f1b6385541671774ff123fff","target":"graph","created_at":"2026-07-05T00:52:44Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1809.04854/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Under the belief that the universe should be multi-feature and informative, we employ a model-by-model comparison method to explore the possibly largest upper bound on the swampland constant $c$. Considering the interacting quintessence dark energy as the comparison model, we constrain the large parameter space interacting dark energy model, a 12-parameter extension to the $\\Lambda$CDM cosmology, in light of current observations. We obtain the largest $2\\sigma$ ($3\\sigma$) bound so far, $c\\lesssim1.62$ $(1.94)$, which would allow the existences of a number of string theory models of dark energ","authors_text":"Deng Wang","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-09-13T09:32:11Z","title":"Multi-feature universe: large parameter space cosmology and the swampland"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.04854","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":"sha256:47206e256d380a4ce7c4d37532ee5e52f413069ed04e6be8a189bf8e707d59e8","target":"record","created_at":"2026-07-05T00:52:44Z","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":"395bc75d9a4a696248187df15e7d43db2faafe6dce1c287272f6d225048c0544","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-09-13T09:32:11Z","title_canon_sha256":"c5c56579997909c8475437b42efb84ed1f29d7be11a44aa9577d2297f11b1c35"},"schema_version":"1.0","source":{"id":"1809.04854","kind":"arxiv","version":2}},"canonical_sha256":"6ab9218ddb7b6ceb747260de17fa75b7108e19f6af7175b6d9476598a70a6f35","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6ab9218ddb7b6ceb747260de17fa75b7108e19f6af7175b6d9476598a70a6f35","first_computed_at":"2026-07-05T00:52:44.707696Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:52:44.707696Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BlBNcCPXqkQpP6c4v53ZZqBYDE+uVZF58eOWfzFBO1tRDbzz/fHoTdY5SfMnkDQq4yZz8GW9vNK1qBTJvdpTBg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:52:44.708072Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.04854","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:47206e256d380a4ce7c4d37532ee5e52f413069ed04e6be8a189bf8e707d59e8","sha256:c0b08dd03856de55ce0dea0fac70b642f625cb76f1b6385541671774ff123fff"],"state_sha256":"63460d68bf147575462cf90d52cf414cc2d43ef7c04e0792fca0238acdc0bb8e"}