{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:EOPRLMDWMEVXHPVCTXPU7HM46D","short_pith_number":"pith:EOPRLMDW","canonical_record":{"source":{"id":"2207.04068","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-07-08T18:00:15Z","cross_cats_sorted":[],"title_canon_sha256":"46fbe387d0b5d9257a948e7dc8ba9837b667d2ec5cd7559382e0f3d51607455b","abstract_canon_sha256":"c6c0c64155fc2b212fae211548e2b464ca3d6e79842af886c3bea85da71b9a91"},"schema_version":"1.0"},"canonical_sha256":"239f15b076612b73bea29ddf4f9d9cf0c53879d656c74d579f13b0dcbd021359","source":{"kind":"arxiv","id":"2207.04068","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.04068","created_at":"2026-07-05T05:33:14Z"},{"alias_kind":"arxiv_version","alias_value":"2207.04068v2","created_at":"2026-07-05T05:33:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.04068","created_at":"2026-07-05T05:33:14Z"},{"alias_kind":"pith_short_12","alias_value":"EOPRLMDWMEVX","created_at":"2026-07-05T05:33:14Z"},{"alias_kind":"pith_short_16","alias_value":"EOPRLMDWMEVXHPVC","created_at":"2026-07-05T05:33:14Z"},{"alias_kind":"pith_short_8","alias_value":"EOPRLMDW","created_at":"2026-07-05T05:33:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:EOPRLMDWMEVXHPVCTXPU7HM46D","target":"record","payload":{"canonical_record":{"source":{"id":"2207.04068","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-07-08T18:00:15Z","cross_cats_sorted":[],"title_canon_sha256":"46fbe387d0b5d9257a948e7dc8ba9837b667d2ec5cd7559382e0f3d51607455b","abstract_canon_sha256":"c6c0c64155fc2b212fae211548e2b464ca3d6e79842af886c3bea85da71b9a91"},"schema_version":"1.0"},"canonical_sha256":"239f15b076612b73bea29ddf4f9d9cf0c53879d656c74d579f13b0dcbd021359","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:33:14.129479Z","signature_b64":"5rqSygNANkdAnLnn7F1DF8v2KKEgQdW1deKyL3OM8F1ZlNm6ZBZu5749E9kxJ9+uz/6OsVr8BcSPkRdeY2fUDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"239f15b076612b73bea29ddf4f9d9cf0c53879d656c74d579f13b0dcbd021359","last_reissued_at":"2026-07-05T05:33:14.128879Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:33:14.128879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.04068","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:33:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QHpkL1E+hljl5N4U7BY67wCXSrm0yY9f7ys7AbGAWSWOcYwN4cZF6+LODP3KqLyhkmWJYARix8TOvYserD1VBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:36:11.908059Z"},"content_sha256":"1dc63c39c6c0a350fa19b29d191f9850c4def0cc33e823edf4a52c2bee77e034","schema_version":"1.0","event_id":"sha256:1dc63c39c6c0a350fa19b29d191f9850c4def0cc33e823edf4a52c2bee77e034"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:EOPRLMDWMEVXHPVCTXPU7HM46D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Physical Nature of Circumgalactic Medium Absorbers in Simba","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Daniele Sorini, Jacob Christiansen, Romeel Dav\\'e, Sarah Appleby, Weiguang Cui","submitted_at":"2022-07-08T18:00:15Z","abstract_excerpt":"We study the nature of the low-redshift CGM in the Simba cosmological simulations as traced by ultraviolet absorption lines around galaxies in bins of stellar mass ($M_\\star>10^{10}M_\\odot$) for star-forming, green valley and quenched galaxies at impact parameters $r_\\perp\\leq 1.25r_{200}$. We generate synthetic spectra for HI, MgII, CII, SiIII, CIV, and OVI, fit Voigt profiles to obtain line properties, and estimate the density, temperature, and metallicity of the absorbing gas. We find that CGM absorbers are most abundant around star forming galaxies with $M_\\star < 10^{11}M_\\odot$, while th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.04068","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/2207.04068/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:33:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f8Q32ppH72VPIJpVm4kH2JGoWDKqCvsT5bx2obpAoBYNmn0Ysl3hP/pP4zGM8r2lxFGtzwd+i0a8nvKIHDtuAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:36:11.908789Z"},"content_sha256":"22346585fd11a5c044e1ca28b9d4676600a83d464d91a9ec3f45948f0d5cf7a1","schema_version":"1.0","event_id":"sha256:22346585fd11a5c044e1ca28b9d4676600a83d464d91a9ec3f45948f0d5cf7a1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EOPRLMDWMEVXHPVCTXPU7HM46D/bundle.json","state_url":"https://pith.science/pith/EOPRLMDWMEVXHPVCTXPU7HM46D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EOPRLMDWMEVXHPVCTXPU7HM46D/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-05T09:36:11Z","links":{"resolver":"https://pith.science/pith/EOPRLMDWMEVXHPVCTXPU7HM46D","bundle":"https://pith.science/pith/EOPRLMDWMEVXHPVCTXPU7HM46D/bundle.json","state":"https://pith.science/pith/EOPRLMDWMEVXHPVCTXPU7HM46D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EOPRLMDWMEVXHPVCTXPU7HM46D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:EOPRLMDWMEVXHPVCTXPU7HM46D","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":"c6c0c64155fc2b212fae211548e2b464ca3d6e79842af886c3bea85da71b9a91","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-07-08T18:00:15Z","title_canon_sha256":"46fbe387d0b5d9257a948e7dc8ba9837b667d2ec5cd7559382e0f3d51607455b"},"schema_version":"1.0","source":{"id":"2207.04068","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.04068","created_at":"2026-07-05T05:33:14Z"},{"alias_kind":"arxiv_version","alias_value":"2207.04068v2","created_at":"2026-07-05T05:33:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.04068","created_at":"2026-07-05T05:33:14Z"},{"alias_kind":"pith_short_12","alias_value":"EOPRLMDWMEVX","created_at":"2026-07-05T05:33:14Z"},{"alias_kind":"pith_short_16","alias_value":"EOPRLMDWMEVXHPVC","created_at":"2026-07-05T05:33:14Z"},{"alias_kind":"pith_short_8","alias_value":"EOPRLMDW","created_at":"2026-07-05T05:33:14Z"}],"graph_snapshots":[{"event_id":"sha256:22346585fd11a5c044e1ca28b9d4676600a83d464d91a9ec3f45948f0d5cf7a1","target":"graph","created_at":"2026-07-05T05:33:14Z","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/2207.04068/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the nature of the low-redshift CGM in the Simba cosmological simulations as traced by ultraviolet absorption lines around galaxies in bins of stellar mass ($M_\\star>10^{10}M_\\odot$) for star-forming, green valley and quenched galaxies at impact parameters $r_\\perp\\leq 1.25r_{200}$. We generate synthetic spectra for HI, MgII, CII, SiIII, CIV, and OVI, fit Voigt profiles to obtain line properties, and estimate the density, temperature, and metallicity of the absorbing gas. We find that CGM absorbers are most abundant around star forming galaxies with $M_\\star < 10^{11}M_\\odot$, while th","authors_text":"Daniele Sorini, Jacob Christiansen, Romeel Dav\\'e, Sarah Appleby, Weiguang Cui","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-07-08T18:00:15Z","title":"The Physical Nature of Circumgalactic Medium Absorbers in Simba"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.04068","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":"sha256:1dc63c39c6c0a350fa19b29d191f9850c4def0cc33e823edf4a52c2bee77e034","target":"record","created_at":"2026-07-05T05:33:14Z","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":"c6c0c64155fc2b212fae211548e2b464ca3d6e79842af886c3bea85da71b9a91","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-07-08T18:00:15Z","title_canon_sha256":"46fbe387d0b5d9257a948e7dc8ba9837b667d2ec5cd7559382e0f3d51607455b"},"schema_version":"1.0","source":{"id":"2207.04068","kind":"arxiv","version":2}},"canonical_sha256":"239f15b076612b73bea29ddf4f9d9cf0c53879d656c74d579f13b0dcbd021359","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"239f15b076612b73bea29ddf4f9d9cf0c53879d656c74d579f13b0dcbd021359","first_computed_at":"2026-07-05T05:33:14.128879Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:33:14.128879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5rqSygNANkdAnLnn7F1DF8v2KKEgQdW1deKyL3OM8F1ZlNm6ZBZu5749E9kxJ9+uz/6OsVr8BcSPkRdeY2fUDg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:33:14.129479Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.04068","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1dc63c39c6c0a350fa19b29d191f9850c4def0cc33e823edf4a52c2bee77e034","sha256:22346585fd11a5c044e1ca28b9d4676600a83d464d91a9ec3f45948f0d5cf7a1"],"state_sha256":"589999b340523fc283ce3cfc396eb2299d484289cd1dd2fbb9edb8d5e6ee39b5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"48YvtrLaQ1OS3fhQdqY/Ee1atgXDnLQ5SQu9Aj8zAvHjkCrgtCfirf64ewc7rUh/vv1cCV1pmA59dGHFtP1RDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T09:36:11.914821Z","bundle_sha256":"b8e180ba366c3c609625bd85d025008cf2e2da38de8455db09c6888e8383a189"}}