{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2006:ES5VKX2ZSYBRBID6EJHZWDIB62","short_pith_number":"pith:ES5VKX2Z","schema_version":"1.0","canonical_sha256":"24bb555f59960310a07e224f9b0d01f6ba3e27a0b6c8be555ce124903478ce77","source":{"kind":"arxiv","id":"astro-ph/0602147","version":1},"attestation_state":"computed","paper":{"title":"Likelihood Methods for Cluster Dark Energy Surveys","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"J.D. Cohn, Wayne Hu","submitted_at":"2006-02-07T03:03:01Z","abstract_excerpt":"Galaxy cluster counts at high redshift, binned into spatial pixels and binned into ranges in an observable proxy for mass, contain a wealth of information on both the dark energy equation of state and the mass selection function required to extract it. The likelihood of the number counts follows a Poisson distribution whose mean fluctuates with the large-scale structure of the universe. We develop a joint likelihood method that accounts for these distributions. Maximization of the likelihood over a theoretical model that includes both the cosmology and the observable-mass relations allows for "},"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":"astro-ph/0602147","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-02-07T03:03:01Z","cross_cats_sorted":[],"title_canon_sha256":"5d4c7492073f17025222229a7ce8a22dd9cfc76ec0f98f5fcf4b965b1088d6ed","abstract_canon_sha256":"28b60e5a10967de3d878da10d376a3f7f9b64c502cbadf55bafd2d07841a4dfe"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:22:20.551775Z","signature_b64":"i/wLTVjA+Da4ZMhdjX9i0CEyNWMsXrK9Nmo5f6X8yt6T/SJac1AEf6a0lHwAHI+sPYneW9xX/zzTyhT9sPXdCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"24bb555f59960310a07e224f9b0d01f6ba3e27a0b6c8be555ce124903478ce77","last_reissued_at":"2026-05-18T04:22:20.551131Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:22:20.551131Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Likelihood Methods for Cluster Dark Energy Surveys","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"J.D. Cohn, Wayne Hu","submitted_at":"2006-02-07T03:03:01Z","abstract_excerpt":"Galaxy cluster counts at high redshift, binned into spatial pixels and binned into ranges in an observable proxy for mass, contain a wealth of information on both the dark energy equation of state and the mass selection function required to extract it. The likelihood of the number counts follows a Poisson distribution whose mean fluctuates with the large-scale structure of the universe. We develop a joint likelihood method that accounts for these distributions. Maximization of the likelihood over a theoretical model that includes both the cosmology and the observable-mass relations allows for "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0602147","kind":"arxiv","version":1},"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":"astro-ph/0602147","created_at":"2026-05-18T04:22:20.551229+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0602147v1","created_at":"2026-05-18T04:22:20.551229+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0602147","created_at":"2026-05-18T04:22:20.551229+00:00"},{"alias_kind":"pith_short_12","alias_value":"ES5VKX2ZSYBR","created_at":"2026-05-18T12:25:53.939244+00:00"},{"alias_kind":"pith_short_16","alias_value":"ES5VKX2ZSYBRBID6","created_at":"2026-05-18T12:25:53.939244+00:00"},{"alias_kind":"pith_short_8","alias_value":"ES5VKX2Z","created_at":"2026-05-18T12:25:53.939244+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/ES5VKX2ZSYBRBID6EJHZWDIB62","json":"https://pith.science/pith/ES5VKX2ZSYBRBID6EJHZWDIB62.json","graph_json":"https://pith.science/api/pith-number/ES5VKX2ZSYBRBID6EJHZWDIB62/graph.json","events_json":"https://pith.science/api/pith-number/ES5VKX2ZSYBRBID6EJHZWDIB62/events.json","paper":"https://pith.science/paper/ES5VKX2Z"},"agent_actions":{"view_html":"https://pith.science/pith/ES5VKX2ZSYBRBID6EJHZWDIB62","download_json":"https://pith.science/pith/ES5VKX2ZSYBRBID6EJHZWDIB62.json","view_paper":"https://pith.science/paper/ES5VKX2Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0602147&json=true","fetch_graph":"https://pith.science/api/pith-number/ES5VKX2ZSYBRBID6EJHZWDIB62/graph.json","fetch_events":"https://pith.science/api/pith-number/ES5VKX2ZSYBRBID6EJHZWDIB62/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ES5VKX2ZSYBRBID6EJHZWDIB62/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ES5VKX2ZSYBRBID6EJHZWDIB62/action/storage_attestation","attest_author":"https://pith.science/pith/ES5VKX2ZSYBRBID6EJHZWDIB62/action/author_attestation","sign_citation":"https://pith.science/pith/ES5VKX2ZSYBRBID6EJHZWDIB62/action/citation_signature","submit_replication":"https://pith.science/pith/ES5VKX2ZSYBRBID6EJHZWDIB62/action/replication_record"}},"created_at":"2026-05-18T04:22:20.551229+00:00","updated_at":"2026-05-18T04:22:20.551229+00:00"}