{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:B3SFQNVK2VF5RZJAO4HQCA25MR","short_pith_number":"pith:B3SFQNVK","schema_version":"1.0","canonical_sha256":"0ee45836aad54bd8e520770f01035d6456abdf3e30196e0c90bced0cbdadbb49","source":{"kind":"arxiv","id":"1109.5692","version":1},"attestation_state":"computed","paper":{"title":"Minor merger-induced cold fronts in Abell 2142 and RXJ1720.1+2638","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"((1) Swinburne University, (2) CfA), Matt S. Owers (1), Paul E.J. Nulsen (2), Warrick J. Couch (1)","submitted_at":"2011-09-26T20:00:00Z","abstract_excerpt":"We present evidence for the existence of substructure in the \"relaxed appearing\" cold front clusters Abell 2142 and RXJ1720.1+2638. The detection of these substructures was made possible by comprehensive multi-object optical spectroscopy obtained with the Hectospec and DEep Imaging Multi-Object Spectrograph instruments on the 6.5m MMT and 10m Keck II telescope, respectively. These observations produced 956 and 400 spectroscopically confirmed cluster members within a projected radius of 3Mpc from the centers of Abell 2142 and RXJ1720.1+2638, respectively. The substructure manifests itself as lo"},"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":"1109.5692","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-09-26T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"93eea1ec79f75b4ddeae1bb215c4ab24901d58007892d877e9733c6e0e7ef210","abstract_canon_sha256":"a73a61900c2f33325845788fda6a5bccc2d3e3dc354e20792ed45cb0cd14d8aa"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:23.248567Z","signature_b64":"AAsWElmaera7fG5cXBBJk7r65Bcn+cApG6XuEVdojE4dKtF5kOJUDxiE/DPcOV7YsUG0vmH1WNp9osf2mMYYBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ee45836aad54bd8e520770f01035d6456abdf3e30196e0c90bced0cbdadbb49","last_reissued_at":"2026-05-18T02:00:23.247965Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:23.247965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Minor merger-induced cold fronts in Abell 2142 and RXJ1720.1+2638","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"((1) Swinburne University, (2) CfA), Matt S. Owers (1), Paul E.J. Nulsen (2), Warrick J. Couch (1)","submitted_at":"2011-09-26T20:00:00Z","abstract_excerpt":"We present evidence for the existence of substructure in the \"relaxed appearing\" cold front clusters Abell 2142 and RXJ1720.1+2638. The detection of these substructures was made possible by comprehensive multi-object optical spectroscopy obtained with the Hectospec and DEep Imaging Multi-Object Spectrograph instruments on the 6.5m MMT and 10m Keck II telescope, respectively. These observations produced 956 and 400 spectroscopically confirmed cluster members within a projected radius of 3Mpc from the centers of Abell 2142 and RXJ1720.1+2638, respectively. The substructure manifests itself as lo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.5692","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":"1109.5692","created_at":"2026-05-18T02:00:23.248054+00:00"},{"alias_kind":"arxiv_version","alias_value":"1109.5692v1","created_at":"2026-05-18T02:00:23.248054+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.5692","created_at":"2026-05-18T02:00:23.248054+00:00"},{"alias_kind":"pith_short_12","alias_value":"B3SFQNVK2VF5","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_16","alias_value":"B3SFQNVK2VF5RZJA","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_8","alias_value":"B3SFQNVK","created_at":"2026-05-18T12:26:24.575870+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/B3SFQNVK2VF5RZJAO4HQCA25MR","json":"https://pith.science/pith/B3SFQNVK2VF5RZJAO4HQCA25MR.json","graph_json":"https://pith.science/api/pith-number/B3SFQNVK2VF5RZJAO4HQCA25MR/graph.json","events_json":"https://pith.science/api/pith-number/B3SFQNVK2VF5RZJAO4HQCA25MR/events.json","paper":"https://pith.science/paper/B3SFQNVK"},"agent_actions":{"view_html":"https://pith.science/pith/B3SFQNVK2VF5RZJAO4HQCA25MR","download_json":"https://pith.science/pith/B3SFQNVK2VF5RZJAO4HQCA25MR.json","view_paper":"https://pith.science/paper/B3SFQNVK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1109.5692&json=true","fetch_graph":"https://pith.science/api/pith-number/B3SFQNVK2VF5RZJAO4HQCA25MR/graph.json","fetch_events":"https://pith.science/api/pith-number/B3SFQNVK2VF5RZJAO4HQCA25MR/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/B3SFQNVK2VF5RZJAO4HQCA25MR/action/timestamp_anchor","attest_storage":"https://pith.science/pith/B3SFQNVK2VF5RZJAO4HQCA25MR/action/storage_attestation","attest_author":"https://pith.science/pith/B3SFQNVK2VF5RZJAO4HQCA25MR/action/author_attestation","sign_citation":"https://pith.science/pith/B3SFQNVK2VF5RZJAO4HQCA25MR/action/citation_signature","submit_replication":"https://pith.science/pith/B3SFQNVK2VF5RZJAO4HQCA25MR/action/replication_record"}},"created_at":"2026-05-18T02:00:23.248054+00:00","updated_at":"2026-05-18T02:00:23.248054+00:00"}