{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:BWPDS4DP73OMID4M7UWE2CBS7R","short_pith_number":"pith:BWPDS4DP","schema_version":"1.0","canonical_sha256":"0d9e39706ffedcc40f8cfd2c4d0832fc421de07fe8756692d258f6d685413c4f","source":{"kind":"arxiv","id":"1706.01476","version":3},"attestation_state":"computed","paper":{"title":"The Metallicity of the Intracluster Medium Over Cosmic Time: Further Evidence for Early Enrichment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"(2) ISAS/JAXA, (3) MTA-E\\\"otv\\\"os University, Adam B. Mantz (1), Aurora Simionescu (2), Hiroshima University), Irina Zhuravleva (1) ((1) KIPAC Stanford/SLAC, Masaryk University, Norbert Werner (3), Ondrej Urban (1), R. Glenn Morris (1), Steven W. Allen (1)","submitted_at":"2017-06-05T18:07:48Z","abstract_excerpt":"We use Chandra X-ray data to measure the metallicity of the intracluster medium (ICM) in 245 massive galaxy clusters selected from X-ray and Sunyaev-Zel'dovich (SZ) effect surveys, spanning redshifts $0<z<1.2$. Metallicities were measured in three different radial ranges, spanning cluster cores through their outskirts. We explore trends in these measurements as a function of cluster redshift, temperature, and surface brightness \"peakiness\" (a proxy for gas cooling efficiency in cluster centers). The data at large radii (0.5--1 $r_{500}$) are consistent with a constant metallicity, while at int"},"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":"1706.01476","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-06-05T18:07:48Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"e11d2d14f868b9b789193873178298008237c88738b2ddb95e366ae2091df5d4","abstract_canon_sha256":"bb50aa1dbb28f56c4834cb6db8cfdffc3360175ee33b6e5f38756cfbff4064aa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:30:28.193978Z","signature_b64":"OTOJ6uz9npJ1J30g9Ur5eCa8DIkD6D3/ht4fLMmXuaLDWGar5FIo1TsfD8zGb/rGek6HFTN4SJiFcgjGens9AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d9e39706ffedcc40f8cfd2c4d0832fc421de07fe8756692d258f6d685413c4f","last_reissued_at":"2026-05-18T00:30:28.193399Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:30:28.193399Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Metallicity of the Intracluster Medium Over Cosmic Time: Further Evidence for Early Enrichment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"(2) ISAS/JAXA, (3) MTA-E\\\"otv\\\"os University, Adam B. Mantz (1), Aurora Simionescu (2), Hiroshima University), Irina Zhuravleva (1) ((1) KIPAC Stanford/SLAC, Masaryk University, Norbert Werner (3), Ondrej Urban (1), R. Glenn Morris (1), Steven W. Allen (1)","submitted_at":"2017-06-05T18:07:48Z","abstract_excerpt":"We use Chandra X-ray data to measure the metallicity of the intracluster medium (ICM) in 245 massive galaxy clusters selected from X-ray and Sunyaev-Zel'dovich (SZ) effect surveys, spanning redshifts $0<z<1.2$. Metallicities were measured in three different radial ranges, spanning cluster cores through their outskirts. We explore trends in these measurements as a function of cluster redshift, temperature, and surface brightness \"peakiness\" (a proxy for gas cooling efficiency in cluster centers). The data at large radii (0.5--1 $r_{500}$) are consistent with a constant metallicity, while at int"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1706.01476","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":"1706.01476","created_at":"2026-05-18T00:30:28.193496+00:00"},{"alias_kind":"arxiv_version","alias_value":"1706.01476v3","created_at":"2026-05-18T00:30:28.193496+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1706.01476","created_at":"2026-05-18T00:30:28.193496+00:00"},{"alias_kind":"pith_short_12","alias_value":"BWPDS4DP73OM","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_16","alias_value":"BWPDS4DP73OMID4M","created_at":"2026-05-18T12:31:08.081275+00:00"},{"alias_kind":"pith_short_8","alias_value":"BWPDS4DP","created_at":"2026-05-18T12:31:08.081275+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/BWPDS4DP73OMID4M7UWE2CBS7R","json":"https://pith.science/pith/BWPDS4DP73OMID4M7UWE2CBS7R.json","graph_json":"https://pith.science/api/pith-number/BWPDS4DP73OMID4M7UWE2CBS7R/graph.json","events_json":"https://pith.science/api/pith-number/BWPDS4DP73OMID4M7UWE2CBS7R/events.json","paper":"https://pith.science/paper/BWPDS4DP"},"agent_actions":{"view_html":"https://pith.science/pith/BWPDS4DP73OMID4M7UWE2CBS7R","download_json":"https://pith.science/pith/BWPDS4DP73OMID4M7UWE2CBS7R.json","view_paper":"https://pith.science/paper/BWPDS4DP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1706.01476&json=true","fetch_graph":"https://pith.science/api/pith-number/BWPDS4DP73OMID4M7UWE2CBS7R/graph.json","fetch_events":"https://pith.science/api/pith-number/BWPDS4DP73OMID4M7UWE2CBS7R/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BWPDS4DP73OMID4M7UWE2CBS7R/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BWPDS4DP73OMID4M7UWE2CBS7R/action/storage_attestation","attest_author":"https://pith.science/pith/BWPDS4DP73OMID4M7UWE2CBS7R/action/author_attestation","sign_citation":"https://pith.science/pith/BWPDS4DP73OMID4M7UWE2CBS7R/action/citation_signature","submit_replication":"https://pith.science/pith/BWPDS4DP73OMID4M7UWE2CBS7R/action/replication_record"}},"created_at":"2026-05-18T00:30:28.193496+00:00","updated_at":"2026-05-18T00:30:28.193496+00:00"}