{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:U4ITCXRLKRZ4ANLJU7QOK2OBAZ","short_pith_number":"pith:U4ITCXRL","canonical_record":{"source":{"id":"1809.03114","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-09-10T03:07:57Z","cross_cats_sorted":[],"title_canon_sha256":"296280b29d0241f6e1920d56fd835ca0caf9d2f13bdfc114a82fb6f9bc6ed4a1","abstract_canon_sha256":"f8d4eb6ba9930fef83a62852a0708ef9c400a5db8295c9e5d0e54be451848f9d"},"schema_version":"1.0"},"canonical_sha256":"a711315e2b5473c03569a7e0e569c10662b65542399f7da897eca5e14cfc1bdf","source":{"kind":"arxiv","id":"1809.03114","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.03114","created_at":"2026-05-18T00:03:45Z"},{"alias_kind":"arxiv_version","alias_value":"1809.03114v1","created_at":"2026-05-18T00:03:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.03114","created_at":"2026-05-18T00:03:45Z"},{"alias_kind":"pith_short_12","alias_value":"U4ITCXRLKRZ4","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"U4ITCXRLKRZ4ANLJ","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"U4ITCXRL","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:U4ITCXRLKRZ4ANLJU7QOK2OBAZ","target":"record","payload":{"canonical_record":{"source":{"id":"1809.03114","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-09-10T03:07:57Z","cross_cats_sorted":[],"title_canon_sha256":"296280b29d0241f6e1920d56fd835ca0caf9d2f13bdfc114a82fb6f9bc6ed4a1","abstract_canon_sha256":"f8d4eb6ba9930fef83a62852a0708ef9c400a5db8295c9e5d0e54be451848f9d"},"schema_version":"1.0"},"canonical_sha256":"a711315e2b5473c03569a7e0e569c10662b65542399f7da897eca5e14cfc1bdf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:03:45.274626Z","signature_b64":"296ZOVG56xOGP+NPsuYTDt446W8RKVGMLFcoefd580abPH8qFEcZXnAFr8kah6TQ68JJMyHRu5Xzuj4lJGroCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a711315e2b5473c03569a7e0e569c10662b65542399f7da897eca5e14cfc1bdf","last_reissued_at":"2026-05-18T00:03:45.273985Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:03:45.273985Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.03114","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:03:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1fYYivPkp47kaywXFs6l+o6dRHxJODuIjTqyko3jLsc3t0LdkVjIwwr4Lf36btdZQHjfNWZ7EHL3XK+7IXmWAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:29:24.182717Z"},"content_sha256":"54e5ac8f088f526ca6c8743372c5c27a3d67a91bbb1f907356ca68434b3b848a","schema_version":"1.0","event_id":"sha256:54e5ac8f088f526ca6c8743372c5c27a3d67a91bbb1f907356ca68434b3b848a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:U4ITCXRLKRZ4ANLJU7QOK2OBAZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distance, Energy, and Variability of Quasar Outflows: Two HST/COS epochs of LBQS 1206+1052","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Chris Benn, Gerard A. Kriss, Guilin Liu, Nahum Arav, Rachel J. Plesha, Timothy R. Miller, Xinfeng Xu","submitted_at":"2018-09-10T03:07:57Z","abstract_excerpt":"We analyze new HST/COS spectra for two quasar absorption outflows seen in the quasi-stellar object LBQS 1206+1052. These data cover, for the first time, absorption troughs from $S_{IV}$, $Si_{II}$, and $P_V$. From the ratio of the $S_{IV}$* to $S_{IV}$ column densities, we measure the electron number density of the higher-velocity ($-1400$ km s$^{-1}$, v1400) outflow to be log($n_e$) = $4.23^{+0.09}_{-0.09}$ cm$^{-3}$ and constrain the lower-velocity ($-730$ km s$^{-1}$, v700) outflow to log($n_e$) $>$ $5.3$ cm$^{-3}$. The $n_e$ associated with the higher-velocity outflow is an order of magnit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.03114","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:03:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tdOb7RRjLW6/DBhNsKPBdN6lJ7BfqndnG4ojWmIrBQn1f+AyghQ/c2nrJLb5f6egjQ54bvkV+AKoY2/CHxHvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T22:29:24.183346Z"},"content_sha256":"7b595aacec3099184597d060372fe381b401bb6eca95c19bf5898e4d21abd2de","schema_version":"1.0","event_id":"sha256:7b595aacec3099184597d060372fe381b401bb6eca95c19bf5898e4d21abd2de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U4ITCXRLKRZ4ANLJU7QOK2OBAZ/bundle.json","state_url":"https://pith.science/pith/U4ITCXRLKRZ4ANLJU7QOK2OBAZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U4ITCXRLKRZ4ANLJU7QOK2OBAZ/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":"2026-05-25T22:29:24Z","links":{"resolver":"https://pith.science/pith/U4ITCXRLKRZ4ANLJU7QOK2OBAZ","bundle":"https://pith.science/pith/U4ITCXRLKRZ4ANLJU7QOK2OBAZ/bundle.json","state":"https://pith.science/pith/U4ITCXRLKRZ4ANLJU7QOK2OBAZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U4ITCXRLKRZ4ANLJU7QOK2OBAZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:U4ITCXRLKRZ4ANLJU7QOK2OBAZ","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":"f8d4eb6ba9930fef83a62852a0708ef9c400a5db8295c9e5d0e54be451848f9d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-09-10T03:07:57Z","title_canon_sha256":"296280b29d0241f6e1920d56fd835ca0caf9d2f13bdfc114a82fb6f9bc6ed4a1"},"schema_version":"1.0","source":{"id":"1809.03114","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.03114","created_at":"2026-05-18T00:03:45Z"},{"alias_kind":"arxiv_version","alias_value":"1809.03114v1","created_at":"2026-05-18T00:03:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.03114","created_at":"2026-05-18T00:03:45Z"},{"alias_kind":"pith_short_12","alias_value":"U4ITCXRLKRZ4","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"U4ITCXRLKRZ4ANLJ","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"U4ITCXRL","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:7b595aacec3099184597d060372fe381b401bb6eca95c19bf5898e4d21abd2de","target":"graph","created_at":"2026-05-18T00:03:45Z","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"},"paper":{"abstract_excerpt":"We analyze new HST/COS spectra for two quasar absorption outflows seen in the quasi-stellar object LBQS 1206+1052. These data cover, for the first time, absorption troughs from $S_{IV}$, $Si_{II}$, and $P_V$. From the ratio of the $S_{IV}$* to $S_{IV}$ column densities, we measure the electron number density of the higher-velocity ($-1400$ km s$^{-1}$, v1400) outflow to be log($n_e$) = $4.23^{+0.09}_{-0.09}$ cm$^{-3}$ and constrain the lower-velocity ($-730$ km s$^{-1}$, v700) outflow to log($n_e$) $>$ $5.3$ cm$^{-3}$. The $n_e$ associated with the higher-velocity outflow is an order of magnit","authors_text":"Chris Benn, Gerard A. Kriss, Guilin Liu, Nahum Arav, Rachel J. Plesha, Timothy R. Miller, Xinfeng Xu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-09-10T03:07:57Z","title":"Distance, Energy, and Variability of Quasar Outflows: Two HST/COS epochs of LBQS 1206+1052"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.03114","kind":"arxiv","version":1},"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":"sha256:54e5ac8f088f526ca6c8743372c5c27a3d67a91bbb1f907356ca68434b3b848a","target":"record","created_at":"2026-05-18T00:03:45Z","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":"f8d4eb6ba9930fef83a62852a0708ef9c400a5db8295c9e5d0e54be451848f9d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-09-10T03:07:57Z","title_canon_sha256":"296280b29d0241f6e1920d56fd835ca0caf9d2f13bdfc114a82fb6f9bc6ed4a1"},"schema_version":"1.0","source":{"id":"1809.03114","kind":"arxiv","version":1}},"canonical_sha256":"a711315e2b5473c03569a7e0e569c10662b65542399f7da897eca5e14cfc1bdf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a711315e2b5473c03569a7e0e569c10662b65542399f7da897eca5e14cfc1bdf","first_computed_at":"2026-05-18T00:03:45.273985Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:03:45.273985Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"296ZOVG56xOGP+NPsuYTDt446W8RKVGMLFcoefd580abPH8qFEcZXnAFr8kah6TQ68JJMyHRu5Xzuj4lJGroCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:03:45.274626Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.03114","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:54e5ac8f088f526ca6c8743372c5c27a3d67a91bbb1f907356ca68434b3b848a","sha256:7b595aacec3099184597d060372fe381b401bb6eca95c19bf5898e4d21abd2de"],"state_sha256":"386caf9a5d29140c37ec039fbdfde2e0ec269e091415f7cb5b4464f4815f05e0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y6Lxl+X1sRiV4I5srUSDL43/QB6gjfAeHs+JSkdDet0vNGFPO5IC3s+aiFkqtA7gm6tVlK5Cswva0+PgdvGEAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T22:29:24.187014Z","bundle_sha256":"82180e6f497cbea1d4eca507e155d92817bf5791a57ece0c7f098d0e565e22bd"}}