{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:2YAMRJJSBAVO7FPNR6BOROJLD3","short_pith_number":"pith:2YAMRJJS","schema_version":"1.0","canonical_sha256":"d600c8a532082aef95ed8f82e8b92b1ef696aed82598bcffd3351d0d3f29d1dc","source":{"kind":"arxiv","id":"2112.14171","version":2},"attestation_state":"computed","paper":{"title":"Cluster counts III. $\\Lambda$CDM extensions and the cluster tension","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alain Blanchard, Stephane Ilic, Ziad Sakr","submitted_at":"2021-12-28T14:58:34Z","abstract_excerpt":"In this work, we examine whether further extensions to the $\\Lambda$CDM model could alleviate the $\\sigma_8$ tension. For that, we derive constraints on the parameters subject of the discrepancy, using CMB $C_{\\ell}$ combined with cluster counts SZ sample with a free dark energy equation of state parameter while allowing the clusters mass calibration parameter $(1-b)$ to vary. The latter is degenerate with $\\sigma_8$, which translates the discrepancy within $\\Lambda$CDM framework into one between $(1-b) \\sim0.6$, corresponding to constraints on $\\sigma_8$ obtained from CMB, and $(1-b)\\sim0.8$,"},"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":"2112.14171","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2021-12-28T14:58:34Z","cross_cats_sorted":[],"title_canon_sha256":"6fb5474bb7d9d4b7e36f145078707b1d8d724b8cb6966e53a2e86ee1e0d59d01","abstract_canon_sha256":"1b879d55a6971dda36768ec2a2bf3983aa1df0372aae85b46c280d441e4b023c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:03:20.795462Z","signature_b64":"9cnaiS3x9lB1I02ubUdmDUWqJk4mi7RXTGlVKnb97p90gbKcNhHgCdUSER9jbWvjzF2BiLC0pynyzagpmI3JAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d600c8a532082aef95ed8f82e8b92b1ef696aed82598bcffd3351d0d3f29d1dc","last_reissued_at":"2026-07-05T05:03:20.795064Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:03:20.795064Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Cluster counts III. $\\Lambda$CDM extensions and the cluster tension","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Alain Blanchard, Stephane Ilic, Ziad Sakr","submitted_at":"2021-12-28T14:58:34Z","abstract_excerpt":"In this work, we examine whether further extensions to the $\\Lambda$CDM model could alleviate the $\\sigma_8$ tension. For that, we derive constraints on the parameters subject of the discrepancy, using CMB $C_{\\ell}$ combined with cluster counts SZ sample with a free dark energy equation of state parameter while allowing the clusters mass calibration parameter $(1-b)$ to vary. The latter is degenerate with $\\sigma_8$, which translates the discrepancy within $\\Lambda$CDM framework into one between $(1-b) \\sim0.6$, corresponding to constraints on $\\sigma_8$ obtained from CMB, and $(1-b)\\sim0.8$,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.14171","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2112.14171/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":"2112.14171","created_at":"2026-07-05T05:03:20.795120+00:00"},{"alias_kind":"arxiv_version","alias_value":"2112.14171v2","created_at":"2026-07-05T05:03:20.795120+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.14171","created_at":"2026-07-05T05:03:20.795120+00:00"},{"alias_kind":"pith_short_12","alias_value":"2YAMRJJSBAVO","created_at":"2026-07-05T05:03:20.795120+00:00"},{"alias_kind":"pith_short_16","alias_value":"2YAMRJJSBAVO7FPN","created_at":"2026-07-05T05:03:20.795120+00:00"},{"alias_kind":"pith_short_8","alias_value":"2YAMRJJS","created_at":"2026-07-05T05:03:20.795120+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2608.09390","citing_title":"Big-Bang Nucleosynthesis and WIMP Dark Matter Freeze-Out as Probes of Yukawa Cosmology","ref_index":1,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2YAMRJJSBAVO7FPNR6BOROJLD3","json":"https://pith.science/pith/2YAMRJJSBAVO7FPNR6BOROJLD3.json","graph_json":"https://pith.science/api/pith-number/2YAMRJJSBAVO7FPNR6BOROJLD3/graph.json","events_json":"https://pith.science/api/pith-number/2YAMRJJSBAVO7FPNR6BOROJLD3/events.json","paper":"https://pith.science/paper/2YAMRJJS"},"agent_actions":{"view_html":"https://pith.science/pith/2YAMRJJSBAVO7FPNR6BOROJLD3","download_json":"https://pith.science/pith/2YAMRJJSBAVO7FPNR6BOROJLD3.json","view_paper":"https://pith.science/paper/2YAMRJJS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2112.14171&json=true","fetch_graph":"https://pith.science/api/pith-number/2YAMRJJSBAVO7FPNR6BOROJLD3/graph.json","fetch_events":"https://pith.science/api/pith-number/2YAMRJJSBAVO7FPNR6BOROJLD3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2YAMRJJSBAVO7FPNR6BOROJLD3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2YAMRJJSBAVO7FPNR6BOROJLD3/action/storage_attestation","attest_author":"https://pith.science/pith/2YAMRJJSBAVO7FPNR6BOROJLD3/action/author_attestation","sign_citation":"https://pith.science/pith/2YAMRJJSBAVO7FPNR6BOROJLD3/action/citation_signature","submit_replication":"https://pith.science/pith/2YAMRJJSBAVO7FPNR6BOROJLD3/action/replication_record"}},"created_at":"2026-07-05T05:03:20.795120+00:00","updated_at":"2026-07-05T05:03:20.795120+00:00"}