{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:BSQUPCUBZPGP4Q3XKGPVA5TWPK","short_pith_number":"pith:BSQUPCUB","schema_version":"1.0","canonical_sha256":"0ca1478a81cbccfe4377519f5076767aa2c87ef33dacd2fed08e43027086cd3f","source":{"kind":"arxiv","id":"1107.0965","version":1},"attestation_state":"computed","paper":{"title":"Intergalactic Gas in Groups of Galaxies: Implications for Dwarf Spheroidal Formation and The Missing Baryons Problem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"E. Freeland, E. Wilcots","submitted_at":"2011-07-05T19:57:04Z","abstract_excerpt":"Radio galaxies with bent jets are predominantly located in groups and clusters of galaxies. We use bent-double radio sources, under the assumption that their jets are bent by ram-pressure, to probe intragroup medium (IGM) gas densities in galaxy groups. This method provides a direct measurement of the intergalactic gas density and allows us to probe IGM gas at large radii and in systems whose IGM is too cool to be detected by the current generation of X-ray telescopes. We find gas with densities of 10^(-3)-10^(-4) per cubic centimeter at group radii from 15-700 kpc. A rough estimate of the tot"},"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":"1107.0965","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-05T19:57:04Z","cross_cats_sorted":[],"title_canon_sha256":"bcc81c9ee7d346a2b3950b2244c720cafba3220ff7a4944df63fdd45249fd2b6","abstract_canon_sha256":"34acba63dbdee2b50ae0d6af81d3b3ddda916b838fd6e448b4e495839ff4383c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:24.537614Z","signature_b64":"HnyBBOuTkCv4XwIkYRL52BjoNLTM9zRDpwbzWL2XQtEZTJC1VGLxFDF8HQGVcsY/JbqiU39yU3AHwJtD+cUkBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0ca1478a81cbccfe4377519f5076767aa2c87ef33dacd2fed08e43027086cd3f","last_reissued_at":"2026-05-18T02:01:24.537049Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:24.537049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Intergalactic Gas in Groups of Galaxies: Implications for Dwarf Spheroidal Formation and The Missing Baryons Problem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"E. Freeland, E. Wilcots","submitted_at":"2011-07-05T19:57:04Z","abstract_excerpt":"Radio galaxies with bent jets are predominantly located in groups and clusters of galaxies. We use bent-double radio sources, under the assumption that their jets are bent by ram-pressure, to probe intragroup medium (IGM) gas densities in galaxy groups. This method provides a direct measurement of the intergalactic gas density and allows us to probe IGM gas at large radii and in systems whose IGM is too cool to be detected by the current generation of X-ray telescopes. We find gas with densities of 10^(-3)-10^(-4) per cubic centimeter at group radii from 15-700 kpc. A rough estimate of the tot"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.0965","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"1107.0965","created_at":"2026-05-18T02:01:24.537122+00:00"},{"alias_kind":"arxiv_version","alias_value":"1107.0965v1","created_at":"2026-05-18T02:01:24.537122+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.0965","created_at":"2026-05-18T02:01:24.537122+00:00"},{"alias_kind":"pith_short_12","alias_value":"BSQUPCUBZPGP","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_16","alias_value":"BSQUPCUBZPGP4Q3X","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_8","alias_value":"BSQUPCUB","created_at":"2026-05-18T12:26:24.575870+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/BSQUPCUBZPGP4Q3XKGPVA5TWPK","json":"https://pith.science/pith/BSQUPCUBZPGP4Q3XKGPVA5TWPK.json","graph_json":"https://pith.science/api/pith-number/BSQUPCUBZPGP4Q3XKGPVA5TWPK/graph.json","events_json":"https://pith.science/api/pith-number/BSQUPCUBZPGP4Q3XKGPVA5TWPK/events.json","paper":"https://pith.science/paper/BSQUPCUB"},"agent_actions":{"view_html":"https://pith.science/pith/BSQUPCUBZPGP4Q3XKGPVA5TWPK","download_json":"https://pith.science/pith/BSQUPCUBZPGP4Q3XKGPVA5TWPK.json","view_paper":"https://pith.science/paper/BSQUPCUB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1107.0965&json=true","fetch_graph":"https://pith.science/api/pith-number/BSQUPCUBZPGP4Q3XKGPVA5TWPK/graph.json","fetch_events":"https://pith.science/api/pith-number/BSQUPCUBZPGP4Q3XKGPVA5TWPK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/BSQUPCUBZPGP4Q3XKGPVA5TWPK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/BSQUPCUBZPGP4Q3XKGPVA5TWPK/action/storage_attestation","attest_author":"https://pith.science/pith/BSQUPCUBZPGP4Q3XKGPVA5TWPK/action/author_attestation","sign_citation":"https://pith.science/pith/BSQUPCUBZPGP4Q3XKGPVA5TWPK/action/citation_signature","submit_replication":"https://pith.science/pith/BSQUPCUBZPGP4Q3XKGPVA5TWPK/action/replication_record"}},"created_at":"2026-05-18T02:01:24.537122+00:00","updated_at":"2026-05-18T02:01:24.537122+00:00"}