{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:ZHYILRC55CC3CEEVKCLTPRCAMR","short_pith_number":"pith:ZHYILRC5","schema_version":"1.0","canonical_sha256":"c9f085c45de885b11095509737c4406455c05461957c97b82384d59e29ce38b9","source":{"kind":"arxiv","id":"1204.1109","version":2},"attestation_state":"computed","paper":{"title":"Crossing Statistic: Reconstructing the Expansion History of the Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.data-an"],"primary_cat":"astro-ph.CO","authors_text":"Arman Shafieloo","submitted_at":"2012-04-05T02:08:47Z","abstract_excerpt":"We present that by combining Crossing Statistic and Smoothing method one can reconstruct the expansion history of the universe with a very high precision without considering any prior on the cosmological quantities such as the equation of state of dark energy. We show that the presented method performs very well in reconstruction of the expansion history of the universe independent of the underlying models and it works well even for non-trivial dark energy models with fast or slow changes in the equation of state of dark energy. Accuracy of the reconstructed quantities along with independence "},"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":"1204.1109","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-05T02:08:47Z","cross_cats_sorted":["physics.data-an"],"title_canon_sha256":"ac747971a0af94679e196c412d10abbc558f6fe05aef6b87a0209733b6296e03","abstract_canon_sha256":"207e369d77ff20b599bf28c12b743d16b0a7695f16f786cbc4fb6558236a91bc"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:46:45.187212Z","signature_b64":"4ex7bUQc7T22OKRHmRJ5a5aVUiMSL3gS90Xc16KDbMpAD8OJaj5/YqP5OKkbwVHx75aYxR7BNYfthHlEQL+eBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9f085c45de885b11095509737c4406455c05461957c97b82384d59e29ce38b9","last_reissued_at":"2026-05-18T03:46:45.186368Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:46:45.186368Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Crossing Statistic: Reconstructing the Expansion History of the Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.data-an"],"primary_cat":"astro-ph.CO","authors_text":"Arman Shafieloo","submitted_at":"2012-04-05T02:08:47Z","abstract_excerpt":"We present that by combining Crossing Statistic and Smoothing method one can reconstruct the expansion history of the universe with a very high precision without considering any prior on the cosmological quantities such as the equation of state of dark energy. We show that the presented method performs very well in reconstruction of the expansion history of the universe independent of the underlying models and it works well even for non-trivial dark energy models with fast or slow changes in the equation of state of dark energy. Accuracy of the reconstructed quantities along with independence "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.1109","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":"1204.1109","created_at":"2026-05-18T03:46:45.186531+00:00"},{"alias_kind":"arxiv_version","alias_value":"1204.1109v2","created_at":"2026-05-18T03:46:45.186531+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.1109","created_at":"2026-05-18T03:46:45.186531+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZHYILRC55CC3","created_at":"2026-05-18T12:27:30.460161+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZHYILRC55CC3CEEV","created_at":"2026-05-18T12:27:30.460161+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZHYILRC5","created_at":"2026-05-18T12:27:30.460161+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2604.27511","citing_title":"Finding Strongly Lensed Supernovae from Blended Light Curves","ref_index":44,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZHYILRC55CC3CEEVKCLTPRCAMR","json":"https://pith.science/pith/ZHYILRC55CC3CEEVKCLTPRCAMR.json","graph_json":"https://pith.science/api/pith-number/ZHYILRC55CC3CEEVKCLTPRCAMR/graph.json","events_json":"https://pith.science/api/pith-number/ZHYILRC55CC3CEEVKCLTPRCAMR/events.json","paper":"https://pith.science/paper/ZHYILRC5"},"agent_actions":{"view_html":"https://pith.science/pith/ZHYILRC55CC3CEEVKCLTPRCAMR","download_json":"https://pith.science/pith/ZHYILRC55CC3CEEVKCLTPRCAMR.json","view_paper":"https://pith.science/paper/ZHYILRC5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1204.1109&json=true","fetch_graph":"https://pith.science/api/pith-number/ZHYILRC55CC3CEEVKCLTPRCAMR/graph.json","fetch_events":"https://pith.science/api/pith-number/ZHYILRC55CC3CEEVKCLTPRCAMR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZHYILRC55CC3CEEVKCLTPRCAMR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZHYILRC55CC3CEEVKCLTPRCAMR/action/storage_attestation","attest_author":"https://pith.science/pith/ZHYILRC55CC3CEEVKCLTPRCAMR/action/author_attestation","sign_citation":"https://pith.science/pith/ZHYILRC55CC3CEEVKCLTPRCAMR/action/citation_signature","submit_replication":"https://pith.science/pith/ZHYILRC55CC3CEEVKCLTPRCAMR/action/replication_record"}},"created_at":"2026-05-18T03:46:45.186531+00:00","updated_at":"2026-05-18T03:46:45.186531+00:00"}