{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:DICLHSQGI5GRRMDPXXJMPPRCFB","short_pith_number":"pith:DICLHSQG","canonical_record":{"source":{"id":"1007.3464","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-07-20T17:05:34Z","cross_cats_sorted":[],"title_canon_sha256":"c083079635e2e5c43af80d689c1d9c40a909ec1dfa36ddfb406fa03421f2181f","abstract_canon_sha256":"9b600cdd25e36fea418342837524d8dc9e529dc14f2ef9a6d708f870169dadb8"},"schema_version":"1.0"},"canonical_sha256":"1a04b3ca06474d18b06fbdd2c7be2228540013eebcc921ccbc8ee9c63d4d47b6","source":{"kind":"arxiv","id":"1007.3464","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.3464","created_at":"2026-05-18T04:31:40Z"},{"alias_kind":"arxiv_version","alias_value":"1007.3464v2","created_at":"2026-05-18T04:31:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.3464","created_at":"2026-05-18T04:31:40Z"},{"alias_kind":"pith_short_12","alias_value":"DICLHSQGI5GR","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"DICLHSQGI5GRRMDP","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"DICLHSQG","created_at":"2026-05-18T12:26:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:DICLHSQGI5GRRMDPXXJMPPRCFB","target":"record","payload":{"canonical_record":{"source":{"id":"1007.3464","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-07-20T17:05:34Z","cross_cats_sorted":[],"title_canon_sha256":"c083079635e2e5c43af80d689c1d9c40a909ec1dfa36ddfb406fa03421f2181f","abstract_canon_sha256":"9b600cdd25e36fea418342837524d8dc9e529dc14f2ef9a6d708f870169dadb8"},"schema_version":"1.0"},"canonical_sha256":"1a04b3ca06474d18b06fbdd2c7be2228540013eebcc921ccbc8ee9c63d4d47b6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:31:40.965053Z","signature_b64":"iBx1RR+7kVfxnZYaG0c3YkAiv/7sTHSxxMOArc+yPod7CNvA2oocOEwUkQ7HFg2GkwvdtdnuyEwzsemIgMqwAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1a04b3ca06474d18b06fbdd2c7be2228540013eebcc921ccbc8ee9c63d4d47b6","last_reissued_at":"2026-05-18T04:31:40.964285Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:31:40.964285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1007.3464","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":"2026-05-18T04:31:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fJAvkFOxs4tDZUEIhlXz9k+NNFdgoR6bG6pEjDqgCRyt5MB6PLMer/pjsjYqPOOjtmP9Ac0rQwX7XN2f8UmxDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:20:42.192768Z"},"content_sha256":"f05533125248bf4f9d8a8193aeb11e7134bfa2006f55c009f8bdc6d4d8bd419c","schema_version":"1.0","event_id":"sha256:f05533125248bf4f9d8a8193aeb11e7134bfa2006f55c009f8bdc6d4d8bd419c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:DICLHSQGI5GRRMDPXXJMPPRCFB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chandra X-Ray Observations of Two Unusual BAL Quasars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Jesse A. Rogerson, Michael S. Brotherton, Patrick B. Hall, Scott F. Anderson, Stephanie A. Snedden","submitted_at":"2010-07-20T17:05:34Z","abstract_excerpt":"We report sensitive Chandra X-ray non-detections of two unusual, luminous Iron Low-Ionization Broad Absorption Line Quasars (FeLoBALs). The observations do detect a non-BAL, wide-binary companion quasar to one of the FeLoBAL quasars. We combine X-ray-derived column density lower limits (assuming solar metallicity) with column densities measured from ultraviolet spectra and CLOUDY photoionization simulations to explore whether constant density slabs at broad line region densities can match the physical parameters of these two BAL outflows, and find that they cannot. In the \"overlapping-trough\" "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.3464","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":""},"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":"2026-05-18T04:31:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N/MmLRyu4+5ACDzxhJaUcuMhLsX44h+X9lauBEK7BeaDcZpr9l3TDY5rHi83lIQV7ZQUB1QJWyt7/x4nDE2DDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:20:42.193127Z"},"content_sha256":"0b4bd8c2d1216814fc125e0142926d9fda772e83eb75012acb464efe0e75ffbe","schema_version":"1.0","event_id":"sha256:0b4bd8c2d1216814fc125e0142926d9fda772e83eb75012acb464efe0e75ffbe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DICLHSQGI5GRRMDPXXJMPPRCFB/bundle.json","state_url":"https://pith.science/pith/DICLHSQGI5GRRMDPXXJMPPRCFB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DICLHSQGI5GRRMDPXXJMPPRCFB/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":"2026-05-27T04:20:42Z","links":{"resolver":"https://pith.science/pith/DICLHSQGI5GRRMDPXXJMPPRCFB","bundle":"https://pith.science/pith/DICLHSQGI5GRRMDPXXJMPPRCFB/bundle.json","state":"https://pith.science/pith/DICLHSQGI5GRRMDPXXJMPPRCFB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DICLHSQGI5GRRMDPXXJMPPRCFB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:DICLHSQGI5GRRMDPXXJMPPRCFB","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":"9b600cdd25e36fea418342837524d8dc9e529dc14f2ef9a6d708f870169dadb8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-07-20T17:05:34Z","title_canon_sha256":"c083079635e2e5c43af80d689c1d9c40a909ec1dfa36ddfb406fa03421f2181f"},"schema_version":"1.0","source":{"id":"1007.3464","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1007.3464","created_at":"2026-05-18T04:31:40Z"},{"alias_kind":"arxiv_version","alias_value":"1007.3464v2","created_at":"2026-05-18T04:31:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1007.3464","created_at":"2026-05-18T04:31:40Z"},{"alias_kind":"pith_short_12","alias_value":"DICLHSQGI5GR","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"DICLHSQGI5GRRMDP","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"DICLHSQG","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:0b4bd8c2d1216814fc125e0142926d9fda772e83eb75012acb464efe0e75ffbe","target":"graph","created_at":"2026-05-18T04:31:40Z","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 report sensitive Chandra X-ray non-detections of two unusual, luminous Iron Low-Ionization Broad Absorption Line Quasars (FeLoBALs). The observations do detect a non-BAL, wide-binary companion quasar to one of the FeLoBAL quasars. We combine X-ray-derived column density lower limits (assuming solar metallicity) with column densities measured from ultraviolet spectra and CLOUDY photoionization simulations to explore whether constant density slabs at broad line region densities can match the physical parameters of these two BAL outflows, and find that they cannot. In the \"overlapping-trough\" ","authors_text":"Jesse A. Rogerson, Michael S. Brotherton, Patrick B. Hall, Scott F. Anderson, Stephanie A. Snedden","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-07-20T17:05:34Z","title":"Chandra X-Ray Observations of Two Unusual BAL Quasars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1007.3464","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:f05533125248bf4f9d8a8193aeb11e7134bfa2006f55c009f8bdc6d4d8bd419c","target":"record","created_at":"2026-05-18T04:31:40Z","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":"9b600cdd25e36fea418342837524d8dc9e529dc14f2ef9a6d708f870169dadb8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-07-20T17:05:34Z","title_canon_sha256":"c083079635e2e5c43af80d689c1d9c40a909ec1dfa36ddfb406fa03421f2181f"},"schema_version":"1.0","source":{"id":"1007.3464","kind":"arxiv","version":2}},"canonical_sha256":"1a04b3ca06474d18b06fbdd2c7be2228540013eebcc921ccbc8ee9c63d4d47b6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a04b3ca06474d18b06fbdd2c7be2228540013eebcc921ccbc8ee9c63d4d47b6","first_computed_at":"2026-05-18T04:31:40.964285Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:31:40.964285Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iBx1RR+7kVfxnZYaG0c3YkAiv/7sTHSxxMOArc+yPod7CNvA2oocOEwUkQ7HFg2GkwvdtdnuyEwzsemIgMqwAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:31:40.965053Z","signed_message":"canonical_sha256_bytes"},"source_id":"1007.3464","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f05533125248bf4f9d8a8193aeb11e7134bfa2006f55c009f8bdc6d4d8bd419c","sha256:0b4bd8c2d1216814fc125e0142926d9fda772e83eb75012acb464efe0e75ffbe"],"state_sha256":"737ee09c141a1868ac203bee6b7561ea64b9060343a0a63d6a7a15ade3d6aaa3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i/thA2gvPkKm8l+JRPxSoCj/QPTjUUwCBAHXdAkXQqfBXevSTIsWCIiTsDemm+W9ovKyRPQI6amNiEmEViYxBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T04:20:42.195296Z","bundle_sha256":"a4b5b9e2afeb216849cf471aeca0a16f4cc6d5da70cdd2dab09bb20fe369c041"}}