{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:PLEX6AJIVACJPMY2JWHLSKGQFQ","short_pith_number":"pith:PLEX6AJI","canonical_record":{"source":{"id":"1907.05557","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-07-12T03:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"4f3839f83e347a24b8c87a1a86f1a99162fb129c841c9d407cbf2014d7288c9a","abstract_canon_sha256":"1b3bdd50df591d7285935d6c2c6499f9902b107d4157c521e00447a0c1e84da4"},"schema_version":"1.0"},"canonical_sha256":"7ac97f0128a80497b31a4d8eb928d02c1b70ed4a605ea75133833ab4f610c272","source":{"kind":"arxiv","id":"1907.05557","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.05557","created_at":"2026-07-05T00:08:35Z"},{"alias_kind":"arxiv_version","alias_value":"1907.05557v2","created_at":"2026-07-05T00:08:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.05557","created_at":"2026-07-05T00:08:35Z"},{"alias_kind":"pith_short_12","alias_value":"PLEX6AJIVACJ","created_at":"2026-07-05T00:08:35Z"},{"alias_kind":"pith_short_16","alias_value":"PLEX6AJIVACJPMY2","created_at":"2026-07-05T00:08:35Z"},{"alias_kind":"pith_short_8","alias_value":"PLEX6AJI","created_at":"2026-07-05T00:08:35Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:PLEX6AJIVACJPMY2JWHLSKGQFQ","target":"record","payload":{"canonical_record":{"source":{"id":"1907.05557","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-07-12T03:00:39Z","cross_cats_sorted":[],"title_canon_sha256":"4f3839f83e347a24b8c87a1a86f1a99162fb129c841c9d407cbf2014d7288c9a","abstract_canon_sha256":"1b3bdd50df591d7285935d6c2c6499f9902b107d4157c521e00447a0c1e84da4"},"schema_version":"1.0"},"canonical_sha256":"7ac97f0128a80497b31a4d8eb928d02c1b70ed4a605ea75133833ab4f610c272","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:08:35.089270Z","signature_b64":"msQXsO4HAeRg97BTiMFkmhZBvP6UU7KerysyfeQfdsgM6bwtKqjcHPXom4XkWmhKq0ElXkck60DJ+v2MOtppBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ac97f0128a80497b31a4d8eb928d02c1b70ed4a605ea75133833ab4f610c272","last_reissued_at":"2026-07-05T00:08:35.088834Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:08:35.088834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1907.05557","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":"2026-07-05T00:08:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"de1I06nTdqsT3bfRsnengknYUPXTIihJuozttwl8QILseTWOEz3yBP+PogmoBV2P2YdOHiSN4vu9xEFQ9L9vDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T17:18:59.251685Z"},"content_sha256":"04e47059555592d85da534953c0ed720ede3de1f1a30fa388c6d0d994c7a78e0","schema_version":"1.0","event_id":"sha256:04e47059555592d85da534953c0ed720ede3de1f1a30fa388c6d0d994c7a78e0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:PLEX6AJIVACJPMY2JWHLSKGQFQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Relationship between the Metallicity of the Circumgalactic Medium and Galaxy Orientation","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Christopher W. Churchill, Glenn G. Kacprzak, Jane C. Charlton, Michael T. Murphy, Nikole M. Nielsen, Sowgat Muzahid, Stephanie K. Pointon","submitted_at":"2019-07-12T03:00:39Z","abstract_excerpt":"We investigate the geometric distribution of gas metallicities in the circumgalactic medium (CGM) around $47$, $z<0.7$ galaxies from the \"Multiphase Galaxy Halos\" Survey. Using a combination of quasar spectra from HST/COS and from Keck/HIRES or VLT/UVES we measure column densities of, or determine limits on, CGM absorption lines. We then use a Monte-Carlo Markov chain approach with Cloudy to estimate the metallicity of cool (T$\\sim$$10^4$K) CGM gas. We also use HST images to determine host galaxy inclination and quasar--galaxy azimuthal angles. Our sample spans a HI column density range of $13"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.05557","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/1907.05557/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":"2026-07-05T00:08:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CD04/mxkVd2DX4MgFhe1ZOfl3x2SiNpIn/tTNiMq/qWHdvWyRyvwF4I8m5DT1ct5T0n+RLN+yFpvWl6rO1CKBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T17:18:59.252062Z"},"content_sha256":"7f66e14a92a403b79b35dbbb8c86d7bcc45fff34d5fbc11a77dd8553d2faf13b","schema_version":"1.0","event_id":"sha256:7f66e14a92a403b79b35dbbb8c86d7bcc45fff34d5fbc11a77dd8553d2faf13b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PLEX6AJIVACJPMY2JWHLSKGQFQ/bundle.json","state_url":"https://pith.science/pith/PLEX6AJIVACJPMY2JWHLSKGQFQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PLEX6AJIVACJPMY2JWHLSKGQFQ/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":"2026-07-08T17:18:59Z","links":{"resolver":"https://pith.science/pith/PLEX6AJIVACJPMY2JWHLSKGQFQ","bundle":"https://pith.science/pith/PLEX6AJIVACJPMY2JWHLSKGQFQ/bundle.json","state":"https://pith.science/pith/PLEX6AJIVACJPMY2JWHLSKGQFQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PLEX6AJIVACJPMY2JWHLSKGQFQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:PLEX6AJIVACJPMY2JWHLSKGQFQ","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":"1b3bdd50df591d7285935d6c2c6499f9902b107d4157c521e00447a0c1e84da4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-07-12T03:00:39Z","title_canon_sha256":"4f3839f83e347a24b8c87a1a86f1a99162fb129c841c9d407cbf2014d7288c9a"},"schema_version":"1.0","source":{"id":"1907.05557","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1907.05557","created_at":"2026-07-05T00:08:35Z"},{"alias_kind":"arxiv_version","alias_value":"1907.05557v2","created_at":"2026-07-05T00:08:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1907.05557","created_at":"2026-07-05T00:08:35Z"},{"alias_kind":"pith_short_12","alias_value":"PLEX6AJIVACJ","created_at":"2026-07-05T00:08:35Z"},{"alias_kind":"pith_short_16","alias_value":"PLEX6AJIVACJPMY2","created_at":"2026-07-05T00:08:35Z"},{"alias_kind":"pith_short_8","alias_value":"PLEX6AJI","created_at":"2026-07-05T00:08:35Z"}],"graph_snapshots":[{"event_id":"sha256:7f66e14a92a403b79b35dbbb8c86d7bcc45fff34d5fbc11a77dd8553d2faf13b","target":"graph","created_at":"2026-07-05T00:08:35Z","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/1907.05557/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the geometric distribution of gas metallicities in the circumgalactic medium (CGM) around $47$, $z<0.7$ galaxies from the \"Multiphase Galaxy Halos\" Survey. Using a combination of quasar spectra from HST/COS and from Keck/HIRES or VLT/UVES we measure column densities of, or determine limits on, CGM absorption lines. We then use a Monte-Carlo Markov chain approach with Cloudy to estimate the metallicity of cool (T$\\sim$$10^4$K) CGM gas. We also use HST images to determine host galaxy inclination and quasar--galaxy azimuthal angles. Our sample spans a HI column density range of $13","authors_text":"Christopher W. Churchill, Glenn G. Kacprzak, Jane C. Charlton, Michael T. Murphy, Nikole M. Nielsen, Sowgat Muzahid, Stephanie K. Pointon","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-07-12T03:00:39Z","title":"Relationship between the Metallicity of the Circumgalactic Medium and Galaxy Orientation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1907.05557","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":"sha256:04e47059555592d85da534953c0ed720ede3de1f1a30fa388c6d0d994c7a78e0","target":"record","created_at":"2026-07-05T00:08:35Z","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":"1b3bdd50df591d7285935d6c2c6499f9902b107d4157c521e00447a0c1e84da4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-07-12T03:00:39Z","title_canon_sha256":"4f3839f83e347a24b8c87a1a86f1a99162fb129c841c9d407cbf2014d7288c9a"},"schema_version":"1.0","source":{"id":"1907.05557","kind":"arxiv","version":2}},"canonical_sha256":"7ac97f0128a80497b31a4d8eb928d02c1b70ed4a605ea75133833ab4f610c272","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ac97f0128a80497b31a4d8eb928d02c1b70ed4a605ea75133833ab4f610c272","first_computed_at":"2026-07-05T00:08:35.088834Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:08:35.088834Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"msQXsO4HAeRg97BTiMFkmhZBvP6UU7KerysyfeQfdsgM6bwtKqjcHPXom4XkWmhKq0ElXkck60DJ+v2MOtppBw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:08:35.089270Z","signed_message":"canonical_sha256_bytes"},"source_id":"1907.05557","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:04e47059555592d85da534953c0ed720ede3de1f1a30fa388c6d0d994c7a78e0","sha256:7f66e14a92a403b79b35dbbb8c86d7bcc45fff34d5fbc11a77dd8553d2faf13b"],"state_sha256":"0d9b8030fc1a78d065e4614c8258c1df17e3e522fa492d8c22f87c99533a18ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PSkCz84xXThjXFOrGwBz7Wuk49dGln4BLsrbKevacaGGcRTfFrd4bFR0wW7h2LMLmLogX5BInRVG5IgxO3gkDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T17:18:59.254064Z","bundle_sha256":"d78e1890717ab872b6f2add22eff51997cfaf3f9f7a814d3175195d26b1b8ca7"}}