{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:3HDOILUUUQVT6JLMHIRENB2X4W","short_pith_number":"pith:3HDOILUU","schema_version":"1.0","canonical_sha256":"d9c6e42e94a42b3f256c3a22468757e58beea343eb4bb59c3306681aaec2f9a1","source":{"kind":"arxiv","id":"2002.10511","version":2},"attestation_state":"computed","paper":{"title":"A Systematic Search for Galaxy Proto-Cluster Cores at $z\\sim 2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Kazuhiro Shimasaku, Makoto Ando, Rieko Momose","submitted_at":"2020-02-24T19:59:05Z","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"},"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":"2002.10511","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-02-24T19:59:05Z","cross_cats_sorted":[],"title_canon_sha256":"96b2ca653eb8cbffcd6cfa7faac16f232cae64251d1dbc612329923e68cf10a1","abstract_canon_sha256":"30883d29413cc332a7edc36b59ffa0d470e8b43d32f8e76912ce137c3786cb03"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:12:38.861403Z","signature_b64":"CEtdYIvJ7yJd7vJA/l0dz4XAc7NlKOyLChu13HYcw9HjUFTYrGr/ZoOOLmVvMeDp4D7ZZeSevMVTJ6VNXUTHDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d9c6e42e94a42b3f256c3a22468757e58beea343eb4bb59c3306681aaec2f9a1","last_reissued_at":"2026-07-05T01:12:38.861003Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:12:38.861003Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Systematic Search for Galaxy Proto-Cluster Cores at $z\\sim 2$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Kazuhiro Shimasaku, Makoto Ando, Rieko Momose","submitted_at":"2020-02-24T19:59:05Z","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"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.10511","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2002.10511/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2002.10511","created_at":"2026-07-05T01:12:38.861063+00:00"},{"alias_kind":"arxiv_version","alias_value":"2002.10511v2","created_at":"2026-07-05T01:12:38.861063+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.10511","created_at":"2026-07-05T01:12:38.861063+00:00"},{"alias_kind":"pith_short_12","alias_value":"3HDOILUUUQVT","created_at":"2026-07-05T01:12:38.861063+00:00"},{"alias_kind":"pith_short_16","alias_value":"3HDOILUUUQVT6JLM","created_at":"2026-07-05T01:12:38.861063+00:00"},{"alias_kind":"pith_short_8","alias_value":"3HDOILUU","created_at":"2026-07-05T01:12:38.861063+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/3HDOILUUUQVT6JLMHIRENB2X4W","json":"https://pith.science/pith/3HDOILUUUQVT6JLMHIRENB2X4W.json","graph_json":"https://pith.science/api/pith-number/3HDOILUUUQVT6JLMHIRENB2X4W/graph.json","events_json":"https://pith.science/api/pith-number/3HDOILUUUQVT6JLMHIRENB2X4W/events.json","paper":"https://pith.science/paper/3HDOILUU"},"agent_actions":{"view_html":"https://pith.science/pith/3HDOILUUUQVT6JLMHIRENB2X4W","download_json":"https://pith.science/pith/3HDOILUUUQVT6JLMHIRENB2X4W.json","view_paper":"https://pith.science/paper/3HDOILUU","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2002.10511&json=true","fetch_graph":"https://pith.science/api/pith-number/3HDOILUUUQVT6JLMHIRENB2X4W/graph.json","fetch_events":"https://pith.science/api/pith-number/3HDOILUUUQVT6JLMHIRENB2X4W/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/3HDOILUUUQVT6JLMHIRENB2X4W/action/timestamp_anchor","attest_storage":"https://pith.science/pith/3HDOILUUUQVT6JLMHIRENB2X4W/action/storage_attestation","attest_author":"https://pith.science/pith/3HDOILUUUQVT6JLMHIRENB2X4W/action/author_attestation","sign_citation":"https://pith.science/pith/3HDOILUUUQVT6JLMHIRENB2X4W/action/citation_signature","submit_replication":"https://pith.science/pith/3HDOILUUUQVT6JLMHIRENB2X4W/action/replication_record"}},"created_at":"2026-07-05T01:12:38.861063+00:00","updated_at":"2026-07-05T01:12:38.861063+00:00"}