{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:ACTE6PHTF3GN47BQ5CTYYHUAFD","short_pith_number":"pith:ACTE6PHT","schema_version":"1.0","canonical_sha256":"00a64f3cf32eccde7c30e8a78c1e8028d60f8355f5fa588b680755070496a920","source":{"kind":"arxiv","id":"0906.4153","version":1},"attestation_state":"computed","paper":{"title":"Discrepant Mass Estimates in the Cluster of Galaxies Abell 1689","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"E.-H. Peng, G. P. Garmire, K. Andersson, M. W. Bautz","submitted_at":"2009-06-23T18:24:42Z","abstract_excerpt":"We present a new mass estimate of a well-studied gravitational lensing cluster, Abell 1689, from deep Chandra observations with a total exposure of 200 ks. Within r=200 h-1 kpc, the X-ray mass estimate is systematically lower than that of lensing by 30-50%. At r>200 h-1 kpc, the mass density profiles from X-ray and weak lensing methods give consistent results. The most recent weak lensing work suggest a steeper profile than what is found from the X-ray analysis, while still in agreement with the mass at large radii. Previous studies have suggested that cooler small-scale structures can bias X-"},"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":"0906.4153","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-06-23T18:24:42Z","cross_cats_sorted":[],"title_canon_sha256":"429f773575d919c83f288f9955673d7c1155ef6cf1c1000e31dd8aa480f0eab8","abstract_canon_sha256":"e6faa167460fe28f926f881a3ccdce5ce3a6e9e52700ea5e8a2d7fd5b1f178b5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:29:42.624167Z","signature_b64":"hS1xPmneeif8xBTkv5l78ZuX4Z4HShji8zHddnit6sVp5AD35uNVrnWh0XfR/zWNEnIfXDxc6B/8lzRBYFn7AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"00a64f3cf32eccde7c30e8a78c1e8028d60f8355f5fa588b680755070496a920","last_reissued_at":"2026-05-18T04:29:42.623722Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:29:42.623722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Discrepant Mass Estimates in the Cluster of Galaxies Abell 1689","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"E.-H. Peng, G. P. Garmire, K. Andersson, M. W. Bautz","submitted_at":"2009-06-23T18:24:42Z","abstract_excerpt":"We present a new mass estimate of a well-studied gravitational lensing cluster, Abell 1689, from deep Chandra observations with a total exposure of 200 ks. Within r=200 h-1 kpc, the X-ray mass estimate is systematically lower than that of lensing by 30-50%. At r>200 h-1 kpc, the mass density profiles from X-ray and weak lensing methods give consistent results. The most recent weak lensing work suggest a steeper profile than what is found from the X-ray analysis, while still in agreement with the mass at large radii. Previous studies have suggested that cooler small-scale structures can bias X-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.4153","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":"0906.4153","created_at":"2026-05-18T04:29:42.623796+00:00"},{"alias_kind":"arxiv_version","alias_value":"0906.4153v1","created_at":"2026-05-18T04:29:42.623796+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.4153","created_at":"2026-05-18T04:29:42.623796+00:00"},{"alias_kind":"pith_short_12","alias_value":"ACTE6PHTF3GN","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"ACTE6PHTF3GN47BQ","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"ACTE6PHT","created_at":"2026-05-18T12:25:58.837520+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/ACTE6PHTF3GN47BQ5CTYYHUAFD","json":"https://pith.science/pith/ACTE6PHTF3GN47BQ5CTYYHUAFD.json","graph_json":"https://pith.science/api/pith-number/ACTE6PHTF3GN47BQ5CTYYHUAFD/graph.json","events_json":"https://pith.science/api/pith-number/ACTE6PHTF3GN47BQ5CTYYHUAFD/events.json","paper":"https://pith.science/paper/ACTE6PHT"},"agent_actions":{"view_html":"https://pith.science/pith/ACTE6PHTF3GN47BQ5CTYYHUAFD","download_json":"https://pith.science/pith/ACTE6PHTF3GN47BQ5CTYYHUAFD.json","view_paper":"https://pith.science/paper/ACTE6PHT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0906.4153&json=true","fetch_graph":"https://pith.science/api/pith-number/ACTE6PHTF3GN47BQ5CTYYHUAFD/graph.json","fetch_events":"https://pith.science/api/pith-number/ACTE6PHTF3GN47BQ5CTYYHUAFD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ACTE6PHTF3GN47BQ5CTYYHUAFD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ACTE6PHTF3GN47BQ5CTYYHUAFD/action/storage_attestation","attest_author":"https://pith.science/pith/ACTE6PHTF3GN47BQ5CTYYHUAFD/action/author_attestation","sign_citation":"https://pith.science/pith/ACTE6PHTF3GN47BQ5CTYYHUAFD/action/citation_signature","submit_replication":"https://pith.science/pith/ACTE6PHTF3GN47BQ5CTYYHUAFD/action/replication_record"}},"created_at":"2026-05-18T04:29:42.623796+00:00","updated_at":"2026-05-18T04:29:42.623796+00:00"}