{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:3HDOILUUUQVT6JLMHIRENB2X4W","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":"30883d29413cc332a7edc36b59ffa0d470e8b43d32f8e76912ce137c3786cb03","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-02-24T19:59:05Z","title_canon_sha256":"96b2ca653eb8cbffcd6cfa7faac16f232cae64251d1dbc612329923e68cf10a1"},"schema_version":"1.0","source":{"id":"2002.10511","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.10511","created_at":"2026-07-05T01:12:38Z"},{"alias_kind":"arxiv_version","alias_value":"2002.10511v2","created_at":"2026-07-05T01:12:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.10511","created_at":"2026-07-05T01:12:38Z"},{"alias_kind":"pith_short_12","alias_value":"3HDOILUUUQVT","created_at":"2026-07-05T01:12:38Z"},{"alias_kind":"pith_short_16","alias_value":"3HDOILUUUQVT6JLM","created_at":"2026-07-05T01:12:38Z"},{"alias_kind":"pith_short_8","alias_value":"3HDOILUU","created_at":"2026-07-05T01:12:38Z"}],"graph_snapshots":[{"event_id":"sha256:7e61dd472033ad2def71b2ead58dca57baf56fa685d7d3010901ae28fda2e100","target":"graph","created_at":"2026-07-05T01:12:38Z","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/2002.10511/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A proto-cluster core is the most massive dark matter halo (DMH) in a given proto-cluster. To reveal the galaxy formation in core regions, we search for proto-cluster cores at $z\\sim 2$ in $\\sim 1.5\\, \\mathrm{deg}^{2}$ of the COSMOS field. Using pairs of massive galaxies ($\\log(M_{*}/M_{\\odot})\\geq11$) as tracers of cores, we find 75 candidate cores, among which 54\\% are estimated to be real. A clustering analysis finds that these cores have an average DMH mass of $2.6_{-0.8}^{+0.9}\\times 10^{13}\\, M_{\\odot}$, or $4.0_{-1.5}^{+1.8}\\, \\times 10^{13} M_{\\odot}$ after contamination correction. The","authors_text":"Kazuhiro Shimasaku, Makoto Ando, Rieko Momose","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-02-24T19:59:05Z","title":"A Systematic Search for Galaxy Proto-Cluster Cores at $z\\sim 2$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.10511","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:fe6ad070d1d3a35c0bdd625935f9797a8244f4a4bc18eb320666a203cc372bce","target":"record","created_at":"2026-07-05T01:12:38Z","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":"30883d29413cc332a7edc36b59ffa0d470e8b43d32f8e76912ce137c3786cb03","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-02-24T19:59:05Z","title_canon_sha256":"96b2ca653eb8cbffcd6cfa7faac16f232cae64251d1dbc612329923e68cf10a1"},"schema_version":"1.0","source":{"id":"2002.10511","kind":"arxiv","version":2}},"canonical_sha256":"d9c6e42e94a42b3f256c3a22468757e58beea343eb4bb59c3306681aaec2f9a1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d9c6e42e94a42b3f256c3a22468757e58beea343eb4bb59c3306681aaec2f9a1","first_computed_at":"2026-07-05T01:12:38.861003Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:12:38.861003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CEtdYIvJ7yJd7vJA/l0dz4XAc7NlKOyLChu13HYcw9HjUFTYrGr/ZoOOLmVvMeDp4D7ZZeSevMVTJ6VNXUTHDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:12:38.861403Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.10511","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe6ad070d1d3a35c0bdd625935f9797a8244f4a4bc18eb320666a203cc372bce","sha256:7e61dd472033ad2def71b2ead58dca57baf56fa685d7d3010901ae28fda2e100"],"state_sha256":"3ec667dbc7ad18ce430a3e9851df55b9a1bed3716d2b08451ff20512c96240f8"}