{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:KONGDSXNWOMIJIQNQPIICQ7EZ6","short_pith_number":"pith:KONGDSXN","schema_version":"1.0","canonical_sha256":"539a61caedb39884a20d83d08143e4cf9eaec19a976472105fa93d85ad9d865b","source":{"kind":"arxiv","id":"1809.00282","version":3},"attestation_state":"computed","paper":{"title":"Constraining Dark Energy With Stacked Concave Lenses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Fuyu Dong, Hekun Li, Jiajun Zhang, Jiaxin Han, Jun Zhang, Liping Fu, Wentao Luo, Xiaohu Yang, Yu Yu","submitted_at":"2018-09-02T02:26:45Z","abstract_excerpt":"Low density regions are less affected by the nonlinear structure formation and baryonic physics. They are ideal places for probing the nature of dark energy, a possible explanation for the cosmic acceleration. Unlike void lensing, which requires identifications of individual voids, we study the stacked lensing signals around the low-density-positions (LDP), defined as places that are devoid of foreground bright galaxies in projection. The method allows a direct comparison with numerical results by drawing correspondence between the bright galaxies with halos. It leads to lensing signals that a"},"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":"1809.00282","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2018-09-02T02:26:45Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"a3aaa3a6b619fd92730ef9b95e0238b7f91802f7cef57e9335eff24942772596","abstract_canon_sha256":"17a81a529612189adb88420b65417a0bfb14c39cee828ca102a9dbd200b997e5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:50.826285Z","signature_b64":"9+M+59OshMgJiXptfA12pySHzlJKruZRz+NWrxjpdPRvR/NR8ThCkVlyXSUPs4YEfJhesbrXDfZ/7EVkdk73Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"539a61caedb39884a20d83d08143e4cf9eaec19a976472105fa93d85ad9d865b","last_reissued_at":"2026-05-17T23:48:50.825615Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:50.825615Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Constraining Dark Energy With Stacked Concave Lenses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Fuyu Dong, Hekun Li, Jiajun Zhang, Jiaxin Han, Jun Zhang, Liping Fu, Wentao Luo, Xiaohu Yang, Yu Yu","submitted_at":"2018-09-02T02:26:45Z","abstract_excerpt":"Low density regions are less affected by the nonlinear structure formation and baryonic physics. They are ideal places for probing the nature of dark energy, a possible explanation for the cosmic acceleration. Unlike void lensing, which requires identifications of individual voids, we study the stacked lensing signals around the low-density-positions (LDP), defined as places that are devoid of foreground bright galaxies in projection. The method allows a direct comparison with numerical results by drawing correspondence between the bright galaxies with halos. It leads to lensing signals that a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.00282","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":"1809.00282","created_at":"2026-05-17T23:48:50.825700+00:00"},{"alias_kind":"arxiv_version","alias_value":"1809.00282v3","created_at":"2026-05-17T23:48:50.825700+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.00282","created_at":"2026-05-17T23:48:50.825700+00:00"},{"alias_kind":"pith_short_12","alias_value":"KONGDSXNWOMI","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_16","alias_value":"KONGDSXNWOMIJIQN","created_at":"2026-05-18T12:32:33.847187+00:00"},{"alias_kind":"pith_short_8","alias_value":"KONGDSXN","created_at":"2026-05-18T12:32:33.847187+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/KONGDSXNWOMIJIQNQPIICQ7EZ6","json":"https://pith.science/pith/KONGDSXNWOMIJIQNQPIICQ7EZ6.json","graph_json":"https://pith.science/api/pith-number/KONGDSXNWOMIJIQNQPIICQ7EZ6/graph.json","events_json":"https://pith.science/api/pith-number/KONGDSXNWOMIJIQNQPIICQ7EZ6/events.json","paper":"https://pith.science/paper/KONGDSXN"},"agent_actions":{"view_html":"https://pith.science/pith/KONGDSXNWOMIJIQNQPIICQ7EZ6","download_json":"https://pith.science/pith/KONGDSXNWOMIJIQNQPIICQ7EZ6.json","view_paper":"https://pith.science/paper/KONGDSXN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1809.00282&json=true","fetch_graph":"https://pith.science/api/pith-number/KONGDSXNWOMIJIQNQPIICQ7EZ6/graph.json","fetch_events":"https://pith.science/api/pith-number/KONGDSXNWOMIJIQNQPIICQ7EZ6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/KONGDSXNWOMIJIQNQPIICQ7EZ6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/KONGDSXNWOMIJIQNQPIICQ7EZ6/action/storage_attestation","attest_author":"https://pith.science/pith/KONGDSXNWOMIJIQNQPIICQ7EZ6/action/author_attestation","sign_citation":"https://pith.science/pith/KONGDSXNWOMIJIQNQPIICQ7EZ6/action/citation_signature","submit_replication":"https://pith.science/pith/KONGDSXNWOMIJIQNQPIICQ7EZ6/action/replication_record"}},"created_at":"2026-05-17T23:48:50.825700+00:00","updated_at":"2026-05-17T23:48:50.825700+00:00"}