{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:NQ37AWDBYDP3ZCTJV5GTHEUU2C","short_pith_number":"pith:NQ37AWDB","schema_version":"1.0","canonical_sha256":"6c37f05861c0dfbc8a69af4d339294d09764c50a5ee80f929a87a105b9d7fe60","source":{"kind":"arxiv","id":"2112.03934","version":2},"attestation_state":"computed","paper":{"title":"The Sphere of Influence of the Bright Central Galaxies in the Diffuse Light of SDSS Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"(2) SHAO), Huanyuan Shan (2) ((1) SJTU, Xiaokai Chen (1), Ying Zu (1), Zhiwei Shao (1)","submitted_at":"2021-12-07T19:00:04Z","abstract_excerpt":"The bright central galaxies (BCGs) dominate the inner portion of the diffuse cluster light, but it is still unclear where the intracluster light (ICL) takes over. To investigate the BCG-ICL transition, we stack the images of ${\\sim}3000$ clusters between $0.2{<}z{<}0.3$ in the SDSS $gri$ bands, and measure their BCG+ICL stellar surface mass profile $\\Sigma_{*}^{\\texttt{B+I}}$ down to $3{\\times}10^4\\,M_{\\odot}/\\mathrm{kpc}^{2}$ at $R{\\simeq}1\\,\\mathrm{Mpc}$ (${\\sim}32$ mag/arcsec$^2$ in the $r$-band). We develop a physically-motivated method to decompose $\\Sigma_{*}^{\\texttt{B+I}}$ into three c"},"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":"2112.03934","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-12-07T19:00:04Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"0a5d8f39fca97f6a954ca086ef2148d55b1b7bf97fd66dc5a56f1f15a23e5aa1","abstract_canon_sha256":"775742e7253e27c4ef66929956222e9680eb755ff7c2213fb6a6821e9c1fc937"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:25:50.346819Z","signature_b64":"rp3QEAEiHt8LR4gk35ZKjAStprlEhDYSm7/PQJiZVDxXF8Z1sfko2s3BT0ijHhL9wgEQAVuOhWxs5/fyskBLDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c37f05861c0dfbc8a69af4d339294d09764c50a5ee80f929a87a105b9d7fe60","last_reissued_at":"2026-07-05T04:25:50.346329Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:25:50.346329Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"The Sphere of Influence of the Bright Central Galaxies in the Diffuse Light of SDSS Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"(2) SHAO), Huanyuan Shan (2) ((1) SJTU, Xiaokai Chen (1), Ying Zu (1), Zhiwei Shao (1)","submitted_at":"2021-12-07T19:00:04Z","abstract_excerpt":"The bright central galaxies (BCGs) dominate the inner portion of the diffuse cluster light, but it is still unclear where the intracluster light (ICL) takes over. To investigate the BCG-ICL transition, we stack the images of ${\\sim}3000$ clusters between $0.2{<}z{<}0.3$ in the SDSS $gri$ bands, and measure their BCG+ICL stellar surface mass profile $\\Sigma_{*}^{\\texttt{B+I}}$ down to $3{\\times}10^4\\,M_{\\odot}/\\mathrm{kpc}^{2}$ at $R{\\simeq}1\\,\\mathrm{Mpc}$ (${\\sim}32$ mag/arcsec$^2$ in the $r$-band). We develop a physically-motivated method to decompose $\\Sigma_{*}^{\\texttt{B+I}}$ into three c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2112.03934","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/2112.03934/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":"2112.03934","created_at":"2026-07-05T04:25:50.346391+00:00"},{"alias_kind":"arxiv_version","alias_value":"2112.03934v2","created_at":"2026-07-05T04:25:50.346391+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2112.03934","created_at":"2026-07-05T04:25:50.346391+00:00"},{"alias_kind":"pith_short_12","alias_value":"NQ37AWDBYDP3","created_at":"2026-07-05T04:25:50.346391+00:00"},{"alias_kind":"pith_short_16","alias_value":"NQ37AWDBYDP3ZCTJ","created_at":"2026-07-05T04:25:50.346391+00:00"},{"alias_kind":"pith_short_8","alias_value":"NQ37AWDB","created_at":"2026-07-05T04:25:50.346391+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/NQ37AWDBYDP3ZCTJV5GTHEUU2C","json":"https://pith.science/pith/NQ37AWDBYDP3ZCTJV5GTHEUU2C.json","graph_json":"https://pith.science/api/pith-number/NQ37AWDBYDP3ZCTJV5GTHEUU2C/graph.json","events_json":"https://pith.science/api/pith-number/NQ37AWDBYDP3ZCTJV5GTHEUU2C/events.json","paper":"https://pith.science/paper/NQ37AWDB"},"agent_actions":{"view_html":"https://pith.science/pith/NQ37AWDBYDP3ZCTJV5GTHEUU2C","download_json":"https://pith.science/pith/NQ37AWDBYDP3ZCTJV5GTHEUU2C.json","view_paper":"https://pith.science/paper/NQ37AWDB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2112.03934&json=true","fetch_graph":"https://pith.science/api/pith-number/NQ37AWDBYDP3ZCTJV5GTHEUU2C/graph.json","fetch_events":"https://pith.science/api/pith-number/NQ37AWDBYDP3ZCTJV5GTHEUU2C/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NQ37AWDBYDP3ZCTJV5GTHEUU2C/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NQ37AWDBYDP3ZCTJV5GTHEUU2C/action/storage_attestation","attest_author":"https://pith.science/pith/NQ37AWDBYDP3ZCTJV5GTHEUU2C/action/author_attestation","sign_citation":"https://pith.science/pith/NQ37AWDBYDP3ZCTJV5GTHEUU2C/action/citation_signature","submit_replication":"https://pith.science/pith/NQ37AWDBYDP3ZCTJV5GTHEUU2C/action/replication_record"}},"created_at":"2026-07-05T04:25:50.346391+00:00","updated_at":"2026-07-05T04:25:50.346391+00:00"}