{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:CZ34XZG7AL5GXCVUYCAXLXEECD","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"27d5b0690a207c83d7eb50fb1ed1ffae44d32bd7427d06b2321561ced30f3c32","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-04-01T09:46:43Z","title_canon_sha256":"e5b56f1537083dce3ef59857961bf19ddfa76f8f410e4a8e637ddd8cea9684b5"},"schema_version":"1.0","source":{"id":"1004.0093","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.0093","created_at":"2026-05-18T02:08:15Z"},{"alias_kind":"arxiv_version","alias_value":"1004.0093v1","created_at":"2026-05-18T02:08:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0093","created_at":"2026-05-18T02:08:15Z"},{"alias_kind":"pith_short_12","alias_value":"CZ34XZG7AL5G","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"CZ34XZG7AL5GXCVU","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"CZ34XZG7","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:c6472a2bd5176d3bc770122453593b1a7711ffc663d463a0b738ec304e3da65c","target":"graph","created_at":"2026-05-18T02:08:15Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We report on the discovery of the X-ray luminous cluster XMMU J100750.5+125818 at redshift 1.082 based on 19 spectroscopic members, which displays several strong lensing features. SED modeling of the lensed arc features from multicolor imaging with the VLT and the LBT reveals likely redshifts ~2.7 for the most prominent of the lensed background galaxies. Mass estimates are derived for different radii from the velocity dispersion of the cluster members, M_200 ~ 1.8 10^{14} Msun, from the X-ray spectral parameters, M_500 ~ 1.0 10^{14} Msun, and the largest lensing arc, M_SL ~ 2.3 10^{13} Msun. T","authors_text":"A. de Hoon, A.D. Schwope, D. Pierini, G. Lamer, G.W. Pratt, H. Boehringer, H. Quintana, J. Kohnert, J. Mohr, J.P. Dietrich, J. Santos, M. Muehlegger, P. Rosati, R. Fassbender, R. Suhada","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-04-01T09:46:43Z","title":"XMMU J100750.5+125818: A strong lensing cluster at z=1.082"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0093","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:671cd0087422a9464ed71184ff9601c363cd9ae95db13c5c003f7ec3f378c868","target":"record","created_at":"2026-05-18T02:08:15Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"27d5b0690a207c83d7eb50fb1ed1ffae44d32bd7427d06b2321561ced30f3c32","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-04-01T09:46:43Z","title_canon_sha256":"e5b56f1537083dce3ef59857961bf19ddfa76f8f410e4a8e637ddd8cea9684b5"},"schema_version":"1.0","source":{"id":"1004.0093","kind":"arxiv","version":1}},"canonical_sha256":"1677cbe4df02fa6b8ab4c08175dc8410ed4d4834b16655a08c0f8871087af152","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1677cbe4df02fa6b8ab4c08175dc8410ed4d4834b16655a08c0f8871087af152","first_computed_at":"2026-05-18T02:08:15.107795Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:08:15.107795Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4gNV05Z8vaiAN+7VVr5A85Jg7LSYm0oKEP7zzo1Be3A9W9gE9hTsI8JZWArPmUvD6+biIbAmY8HuSpF4WMqpAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:08:15.108328Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.0093","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:671cd0087422a9464ed71184ff9601c363cd9ae95db13c5c003f7ec3f378c868","sha256:c6472a2bd5176d3bc770122453593b1a7711ffc663d463a0b738ec304e3da65c"],"state_sha256":"ae2e3e94f9a784b0ad1d1bc9de42c72dc51cbc644876584a9d36b0e76daaf02e"}