{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:2JJ3PEUKUWTLBB665JZC6C5HSA","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":"5e64ea9b3c7ee9c744de3173f01e0e3cd5562abe548751e1ff4209a6e53c2c68","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-07T20:55:41Z","title_canon_sha256":"18c255c3b0ed5aa87e0527f90384f97934335a753b9427b4429f54def3fdc306"},"schema_version":"1.0","source":{"id":"0709.1162","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0709.1162","created_at":"2026-07-04T15:53:19Z"},{"alias_kind":"arxiv_version","alias_value":"0709.1162v2","created_at":"2026-07-04T15:53:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0709.1162","created_at":"2026-07-04T15:53:19Z"},{"alias_kind":"pith_short_12","alias_value":"2JJ3PEUKUWTL","created_at":"2026-07-04T15:53:19Z"},{"alias_kind":"pith_short_16","alias_value":"2JJ3PEUKUWTLBB66","created_at":"2026-07-04T15:53:19Z"},{"alias_kind":"pith_short_8","alias_value":"2JJ3PEUK","created_at":"2026-07-04T15:53:19Z"}],"graph_snapshots":[{"event_id":"sha256:32aae632de28a4872f6715f1b64a717e1e7e628ff2792383e868fb6a700e95c1","target":"graph","created_at":"2026-07-04T15:53:19Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0709.1162/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present measurements of the excess mass-to-light ratio measured aroundMaxBCG galaxy clusters observed in the SDSS. This red sequence cluster sample includes objects from small groups with masses ranging from ~5x10^{12} to ~10^{15} M_{sun}/h. Using cross-correlation weak lensing, we measure the excess mass density profile above the universal mean \\Delta \\rho(r) = \\rho(r) - \\bar{\\rho} for clusters in bins of richness and optical luminosity. We also measure the excess luminosity density \\Delta l(r) = l(r) - \\bar{l} measured in the z=0.25 i-band. For both mass and light, we de-project the profi","authors_text":"Ben P. Koester, David E. Johnston, Erin S. Sheldon, James Annis, Joshua A. Frieman, Michael R. Blanton, Morad Masjedi, Risa H. Wechsler, Ryan Scranton, Sarah M. Hansen, Timothy A. McKay","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-09-07T20:55:41Z","title":"Cross-correlation Weak Lensing of SDSS Galaxy Clusters III: Mass-to-light Ratios"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0709.1162","kind":"arxiv","version":2},"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":"sha256:90580e5e4cfd001e8f47bf3fceb672b22c52cc17c24087083fb38f1c2d6fdf68","target":"record","created_at":"2026-07-04T15:53:19Z","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":"5e64ea9b3c7ee9c744de3173f01e0e3cd5562abe548751e1ff4209a6e53c2c68","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-07T20:55:41Z","title_canon_sha256":"18c255c3b0ed5aa87e0527f90384f97934335a753b9427b4429f54def3fdc306"},"schema_version":"1.0","source":{"id":"0709.1162","kind":"arxiv","version":2}},"canonical_sha256":"d253b7928aa5a6b087deea722f0ba79030c53bd05fb1cf0f1954382c8eb0d3b1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d253b7928aa5a6b087deea722f0ba79030c53bd05fb1cf0f1954382c8eb0d3b1","first_computed_at":"2026-07-04T15:53:19.889238Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:53:19.889238Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oYLb1B62b2ec6urUNBd4DPh+WJURyn18QwHYQHq3DYstGdb6RdMO44oj5Ba2BdA97JuhDkLWiCjpKkQXm3w3CQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:53:19.889645Z","signed_message":"canonical_sha256_bytes"},"source_id":"0709.1162","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:90580e5e4cfd001e8f47bf3fceb672b22c52cc17c24087083fb38f1c2d6fdf68","sha256:32aae632de28a4872f6715f1b64a717e1e7e628ff2792383e868fb6a700e95c1"],"state_sha256":"acf051355600c3f42afa86b1a5c7e9491f65b54585e22690af1a523692684ac2"}