{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:2U2MPIITECZH72SPVXAVJZE6JQ","short_pith_number":"pith:2U2MPIIT","schema_version":"1.0","canonical_sha256":"d534c7a11320b27fea4fadc154e49e4c258a812caac7c8bf5d96f1c87a6e645e","source":{"kind":"arxiv","id":"1907.07692","version":4},"attestation_state":"computed","paper":{"title":"Tension with the flat {\\Lambda}CDM model from a high redshift Hubble Diagram of supernovae, quasars and gamma-ray bursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"E. Lusso, E. Nardini, E. Piedipalumbo, G. Risaliti, L. Amati, M. Paolillo, S. Bisogni","submitted_at":"2019-07-17T18:00:10Z","abstract_excerpt":"In the current framework, the standard parametrization of our Universe is the so-called Lambda Cold Dark Matter ({\\Lambda}CDM) model. Recently, Risaliti & Lusso (2019) have shown a ~4{\\sigma} tension with the {\\Lambda}CDM model through a model-independent parametrization of a Hubble Diagram of supernovae Ia (SNe Ia) from the JLA survey and quasars. Model-independent approaches and independent samples over a wide redshift range are key to testing this tension and any possible systematics. Here we present an analysis of a combined Hubble Diagram of SNe Ia, quasars, and gamma-ray bursts (GRBs) to"},"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":"1907.07692","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-07-17T18:00:10Z","cross_cats_sorted":[],"title_canon_sha256":"41cd8a47cb00f98908725e35ae7e31cca8027fd0cd67e938067d46242c42be1c","abstract_canon_sha256":"8d9a1198a87a63e73293e2e9468360199a9b186c7f361110817e4d8b594f0d4c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:52:00.426845Z","signature_b64":"RlZp5qmIGgvjx6zzylob1k2hHag+ePhPF9TyoSOapi8rSAroGChu7+jotX+G3yAhlLRblj906EtC+m17LprzCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d534c7a11320b27fea4fadc154e49e4c258a812caac7c8bf5d96f1c87a6e645e","last_reissued_at":"2026-07-04T23:52:00.426399Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:52:00.426399Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Tension with the flat {\\Lambda}CDM model from a high redshift Hubble Diagram of supernovae, quasars and gamma-ray bursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"E. Lusso, E. Nardini, E. Piedipalumbo, G. Risaliti, L. Amati, M. Paolillo, S. Bisogni","submitted_at":"2019-07-17T18:00:10Z","abstract_excerpt":"In the current framework, the standard parametrization of our Universe is the so-called Lambda Cold Dark Matter ({\\Lambda}CDM) model. Recently, Risaliti & Lusso (2019) have shown a ~4{\\sigma} tension with the {\\Lambda}CDM model through a model-independent parametrization of a Hubble Diagram of supernovae Ia (SNe Ia) from the JLA survey and quasars. Model-independent approaches and independent samples over a wide redshift range are key to testing this tension and any possible systematics. Here we present an analysis of a combined Hubble Diagram of SNe Ia, quasars, and gamma-ray bursts (GRBs) to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.07692","kind":"arxiv","version":4},"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/1907.07692/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":"1907.07692","created_at":"2026-07-04T23:52:00.426455+00:00"},{"alias_kind":"arxiv_version","alias_value":"1907.07692v4","created_at":"2026-07-04T23:52:00.426455+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.07692","created_at":"2026-07-04T23:52:00.426455+00:00"},{"alias_kind":"pith_short_12","alias_value":"2U2MPIITECZH","created_at":"2026-07-04T23:52:00.426455+00:00"},{"alias_kind":"pith_short_16","alias_value":"2U2MPIITECZH72SP","created_at":"2026-07-04T23:52:00.426455+00:00"},{"alias_kind":"pith_short_8","alias_value":"2U2MPIIT","created_at":"2026-07-04T23:52:00.426455+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2606.12265","citing_title":"Deep Learning Calibration of the Quasar X-ray/UV Luminosity Relation for Cosmological Applications","ref_index":42,"is_internal_anchor":false},{"citing_arxiv_id":"2604.04408","citing_title":"Probing cosmic anisotropy with galaxy clusters and supernovae","ref_index":89,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2U2MPIITECZH72SPVXAVJZE6JQ","json":"https://pith.science/pith/2U2MPIITECZH72SPVXAVJZE6JQ.json","graph_json":"https://pith.science/api/pith-number/2U2MPIITECZH72SPVXAVJZE6JQ/graph.json","events_json":"https://pith.science/api/pith-number/2U2MPIITECZH72SPVXAVJZE6JQ/events.json","paper":"https://pith.science/paper/2U2MPIIT"},"agent_actions":{"view_html":"https://pith.science/pith/2U2MPIITECZH72SPVXAVJZE6JQ","download_json":"https://pith.science/pith/2U2MPIITECZH72SPVXAVJZE6JQ.json","view_paper":"https://pith.science/paper/2U2MPIIT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1907.07692&json=true","fetch_graph":"https://pith.science/api/pith-number/2U2MPIITECZH72SPVXAVJZE6JQ/graph.json","fetch_events":"https://pith.science/api/pith-number/2U2MPIITECZH72SPVXAVJZE6JQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2U2MPIITECZH72SPVXAVJZE6JQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2U2MPIITECZH72SPVXAVJZE6JQ/action/storage_attestation","attest_author":"https://pith.science/pith/2U2MPIITECZH72SPVXAVJZE6JQ/action/author_attestation","sign_citation":"https://pith.science/pith/2U2MPIITECZH72SPVXAVJZE6JQ/action/citation_signature","submit_replication":"https://pith.science/pith/2U2MPIITECZH72SPVXAVJZE6JQ/action/replication_record"}},"created_at":"2026-07-04T23:52:00.426455+00:00","updated_at":"2026-07-04T23:52:00.426455+00:00"}