{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:RYTMNS22QWVCEMHJ2MMCFN4RPM","short_pith_number":"pith:RYTMNS22","canonical_record":{"source":{"id":"1811.11773","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-28T19:00:22Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"f79047eaab5867088f1185162d51b8ab813235e8841f0c16cbcba95dcacd0307","abstract_canon_sha256":"1200cda046fb6a58d5786f51e79f894464c29ce0010138b8c1afb7bdcb4ce540"},"schema_version":"1.0"},"canonical_sha256":"8e26c6cb5a85aa2230e9d31822b7917b314b4d261475459aec320627b402dd78","source":{"kind":"arxiv","id":"1811.11773","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.11773","created_at":"2026-05-17T23:58:36Z"},{"alias_kind":"arxiv_version","alias_value":"1811.11773v1","created_at":"2026-05-17T23:58:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.11773","created_at":"2026-05-17T23:58:36Z"},{"alias_kind":"pith_short_12","alias_value":"RYTMNS22QWVC","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"RYTMNS22QWVCEMHJ","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"RYTMNS22","created_at":"2026-05-18T12:32:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:RYTMNS22QWVCEMHJ2MMCFN4RPM","target":"record","payload":{"canonical_record":{"source":{"id":"1811.11773","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-28T19:00:22Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"f79047eaab5867088f1185162d51b8ab813235e8841f0c16cbcba95dcacd0307","abstract_canon_sha256":"1200cda046fb6a58d5786f51e79f894464c29ce0010138b8c1afb7bdcb4ce540"},"schema_version":"1.0"},"canonical_sha256":"8e26c6cb5a85aa2230e9d31822b7917b314b4d261475459aec320627b402dd78","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:36.032678Z","signature_b64":"xjAvVHeva2ACb3JYYz/3u/700qWixH1dDQZ4aIxoMivw18XAEwuXcwSWnobi1ZW36C9x0lIqcOzghyLnFmIDAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8e26c6cb5a85aa2230e9d31822b7917b314b4d261475459aec320627b402dd78","last_reissued_at":"2026-05-17T23:58:36.032009Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:36.032009Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.11773","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":"2026-05-17T23:58:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zSazQ3WvPaGMB8NKNBY6qSOPCCLlF19wUlgSvPaWJYNs+RjcZ3a4yE4DtfOUqO0OIn7IB6+i3Ajot6KsviBuBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T16:01:55.616474Z"},"content_sha256":"592c4ea4aadce4c0b45848780e7e80d87a7de13018e2b367087138dc76d0bdcc","schema_version":"1.0","event_id":"sha256:592c4ea4aadce4c0b45848780e7e80d87a7de13018e2b367087138dc76d0bdcc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:RYTMNS22QWVCEMHJ2MMCFN4RPM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The host galaxies of FeLoBAL quasars at z$\\sim$0.9 are not dominated by recent major mergers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. Efthymiadou, C. Bertemes, C. Villforth, F. Hamann, H. Herbst, T. Hamilton, T. Hewlett","submitted_at":"2018-11-28T19:00:22Z","abstract_excerpt":"Theoretical models have suggested an evolutionary model for quasars, in which most of luminous quasars are triggered by major mergers. It is also postulated that reddening as well as powerful outflows indicate an early phase of activity, close to the merger event. We test this model on a sample of quasars with powerful low ionization outflows seen in broad Iron absorption lines (FeLoBAL). This sample of objects show strong reddening in the optical and fast ($\\sim$0.1c) high column density outflows. We present HST WFC3/IR F160W imaging of 10 FeLoBAL host galaxies at redshifts z$\\sim$0.9 ($\\lamb"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.11773","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":"2026-05-17T23:58:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gFg3C+kYfleGF4tZXEvKvJ9G2pWrFc4yCWtmFIqUn6R1y7f/UsaRoRqdy+cVDwvoNDtt57A47Txi4LxbkYU7AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T16:01:55.617198Z"},"content_sha256":"72b0ae0e9f6909e32ab92527756526a64dced238a6d5b6a2cca7fab4f9bd1de7","schema_version":"1.0","event_id":"sha256:72b0ae0e9f6909e32ab92527756526a64dced238a6d5b6a2cca7fab4f9bd1de7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RYTMNS22QWVCEMHJ2MMCFN4RPM/bundle.json","state_url":"https://pith.science/pith/RYTMNS22QWVCEMHJ2MMCFN4RPM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RYTMNS22QWVCEMHJ2MMCFN4RPM/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":"2026-05-29T16:01:55Z","links":{"resolver":"https://pith.science/pith/RYTMNS22QWVCEMHJ2MMCFN4RPM","bundle":"https://pith.science/pith/RYTMNS22QWVCEMHJ2MMCFN4RPM/bundle.json","state":"https://pith.science/pith/RYTMNS22QWVCEMHJ2MMCFN4RPM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RYTMNS22QWVCEMHJ2MMCFN4RPM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:RYTMNS22QWVCEMHJ2MMCFN4RPM","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":"1200cda046fb6a58d5786f51e79f894464c29ce0010138b8c1afb7bdcb4ce540","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-28T19:00:22Z","title_canon_sha256":"f79047eaab5867088f1185162d51b8ab813235e8841f0c16cbcba95dcacd0307"},"schema_version":"1.0","source":{"id":"1811.11773","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.11773","created_at":"2026-05-17T23:58:36Z"},{"alias_kind":"arxiv_version","alias_value":"1811.11773v1","created_at":"2026-05-17T23:58:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.11773","created_at":"2026-05-17T23:58:36Z"},{"alias_kind":"pith_short_12","alias_value":"RYTMNS22QWVC","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_16","alias_value":"RYTMNS22QWVCEMHJ","created_at":"2026-05-18T12:32:50Z"},{"alias_kind":"pith_short_8","alias_value":"RYTMNS22","created_at":"2026-05-18T12:32:50Z"}],"graph_snapshots":[{"event_id":"sha256:72b0ae0e9f6909e32ab92527756526a64dced238a6d5b6a2cca7fab4f9bd1de7","target":"graph","created_at":"2026-05-17T23:58:36Z","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":"Theoretical models have suggested an evolutionary model for quasars, in which most of luminous quasars are triggered by major mergers. It is also postulated that reddening as well as powerful outflows indicate an early phase of activity, close to the merger event. We test this model on a sample of quasars with powerful low ionization outflows seen in broad Iron absorption lines (FeLoBAL). This sample of objects show strong reddening in the optical and fast ($\\sim$0.1c) high column density outflows. We present HST WFC3/IR F160W imaging of 10 FeLoBAL host galaxies at redshifts z$\\sim$0.9 ($\\lamb","authors_text":"A. Efthymiadou, C. Bertemes, C. Villforth, F. Hamann, H. Herbst, T. Hamilton, T. Hewlett","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-28T19:00:22Z","title":"The host galaxies of FeLoBAL quasars at z$\\sim$0.9 are not dominated by recent major mergers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.11773","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":"sha256:592c4ea4aadce4c0b45848780e7e80d87a7de13018e2b367087138dc76d0bdcc","target":"record","created_at":"2026-05-17T23:58:36Z","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":"1200cda046fb6a58d5786f51e79f894464c29ce0010138b8c1afb7bdcb4ce540","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-28T19:00:22Z","title_canon_sha256":"f79047eaab5867088f1185162d51b8ab813235e8841f0c16cbcba95dcacd0307"},"schema_version":"1.0","source":{"id":"1811.11773","kind":"arxiv","version":1}},"canonical_sha256":"8e26c6cb5a85aa2230e9d31822b7917b314b4d261475459aec320627b402dd78","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8e26c6cb5a85aa2230e9d31822b7917b314b4d261475459aec320627b402dd78","first_computed_at":"2026-05-17T23:58:36.032009Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:36.032009Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xjAvVHeva2ACb3JYYz/3u/700qWixH1dDQZ4aIxoMivw18XAEwuXcwSWnobi1ZW36C9x0lIqcOzghyLnFmIDAw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:36.032678Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.11773","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:592c4ea4aadce4c0b45848780e7e80d87a7de13018e2b367087138dc76d0bdcc","sha256:72b0ae0e9f6909e32ab92527756526a64dced238a6d5b6a2cca7fab4f9bd1de7"],"state_sha256":"f364285dd173e810830f9fc17aac373cf9812d67df75706c9582d230b2aa12e6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"13knOZ7gQ9bg7RYjtrHntmyOXcSOc7pEyKrWFEUKUHdKO+0frLpYHp3wJp2noo9BzEnmm80RqgdXB3Xcybt5Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T16:01:55.620884Z","bundle_sha256":"c8e26ca0807ac2ad26246a76194e78336ed90a243d13e5200db1e4be6af8dd40"}}