{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ZFYIYIK5YEFI4IMQI77LJZSURI","short_pith_number":"pith:ZFYIYIK5","canonical_record":{"source":{"id":"1710.09117","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-25T08:32:34Z","cross_cats_sorted":[],"title_canon_sha256":"fd7ec86313198e3c76c1277a9d3e413bcb9a14af6354b8c0f34be97d4c865514","abstract_canon_sha256":"34cd360185042f507c4d51bee746bc4a8b6a42d8d1866d3e68fbbdd4a1a03c9a"},"schema_version":"1.0"},"canonical_sha256":"c9708c215dc10a8e219047feb4e6548a075ef3639f95ff3002c6a5dcb36247eb","source":{"kind":"arxiv","id":"1710.09117","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.09117","created_at":"2026-05-18T00:18:15Z"},{"alias_kind":"arxiv_version","alias_value":"1710.09117v1","created_at":"2026-05-18T00:18:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.09117","created_at":"2026-05-18T00:18:15Z"},{"alias_kind":"pith_short_12","alias_value":"ZFYIYIK5YEFI","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZFYIYIK5YEFI4IMQ","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZFYIYIK5","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ZFYIYIK5YEFI4IMQI77LJZSURI","target":"record","payload":{"canonical_record":{"source":{"id":"1710.09117","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-25T08:32:34Z","cross_cats_sorted":[],"title_canon_sha256":"fd7ec86313198e3c76c1277a9d3e413bcb9a14af6354b8c0f34be97d4c865514","abstract_canon_sha256":"34cd360185042f507c4d51bee746bc4a8b6a42d8d1866d3e68fbbdd4a1a03c9a"},"schema_version":"1.0"},"canonical_sha256":"c9708c215dc10a8e219047feb4e6548a075ef3639f95ff3002c6a5dcb36247eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:15.929650Z","signature_b64":"cdkgZCgDs0MjAMuZbGtGMnGwqgVQdWaOhnylxdDJNbOIEyaBk6PVGi2DwxCHrf9u7NTMLX19YREpDObeXXC/Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c9708c215dc10a8e219047feb4e6548a075ef3639f95ff3002c6a5dcb36247eb","last_reissued_at":"2026-05-18T00:18:15.928971Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:15.928971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.09117","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":"2026-05-18T00:18:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jMpM5jG+lp3EKN4eV5VZgm67C+B/VDWfhZkkFL9PsoG5vENR6pCB38crKoujT3l9uf0z42e3xqOv8MuNy1/bBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:46:39.374902Z"},"content_sha256":"0d0ed0aba837e9666fd9b814270cfceca8da912489c232f3b99f7032a30cbf71","schema_version":"1.0","event_id":"sha256:0d0ed0aba837e9666fd9b814270cfceca8da912489c232f3b99f7032a30cbf71"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ZFYIYIK5YEFI4IMQI77LJZSURI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"BAT AGN Spectroscopic Survey--VIII. Type 1 AGN With Massive Absorbing Columns","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Benny Trakhtenbrot, Claudio Ricci, David Rosario, Dieter Lutz, Eckhard Sturm, Isabella Lamperti, Kevin Schawinski, Kyuseok Oh, Leonard Burtscher, Linda Tacconi, Michael Koss, Ming-Yi Lin, Reinhard Genzel, Richard I. Davies, T. Taro Shimizu","submitted_at":"2017-10-25T08:32:34Z","abstract_excerpt":"We explore the relationship between X-ray absorption and optical obscuration within the BAT AGN Spectroscopic Survey (BASS) which has been collecting and analyzing the optical and X-ray spectra for 641 hard X-ray selected ($E>14$ keV) active galactic nuclei (AGN). We use the deviation from a linear broad H$\\alpha$-to-X-ray relationship as an estimate of the maximum optical obscuration towards the broad line region and compare the $A_{\\rm V}$ to the hydrogen column densities ($N_{\\rm H}$) found through systematic modeling of their X-ray spectra. We find that the inferred columns implied by $A_{"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.09117","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":"2026-05-18T00:18:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"APBe3evc0eJOK+wdQ+luSzi/DOT5pfySjCfXp69x1U+qeU4hd6whmg0/0iPjdOo/l4ON228TLpAa/gJ8ptaDCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T22:46:39.375243Z"},"content_sha256":"228ec86130eea02cc85e2ea9da955eff13bc3f392e603915a106668d75ed6c9b","schema_version":"1.0","event_id":"sha256:228ec86130eea02cc85e2ea9da955eff13bc3f392e603915a106668d75ed6c9b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZFYIYIK5YEFI4IMQI77LJZSURI/bundle.json","state_url":"https://pith.science/pith/ZFYIYIK5YEFI4IMQI77LJZSURI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZFYIYIK5YEFI4IMQI77LJZSURI/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":"2026-06-08T22:46:39Z","links":{"resolver":"https://pith.science/pith/ZFYIYIK5YEFI4IMQI77LJZSURI","bundle":"https://pith.science/pith/ZFYIYIK5YEFI4IMQI77LJZSURI/bundle.json","state":"https://pith.science/pith/ZFYIYIK5YEFI4IMQI77LJZSURI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZFYIYIK5YEFI4IMQI77LJZSURI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ZFYIYIK5YEFI4IMQI77LJZSURI","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":"34cd360185042f507c4d51bee746bc4a8b6a42d8d1866d3e68fbbdd4a1a03c9a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-25T08:32:34Z","title_canon_sha256":"fd7ec86313198e3c76c1277a9d3e413bcb9a14af6354b8c0f34be97d4c865514"},"schema_version":"1.0","source":{"id":"1710.09117","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.09117","created_at":"2026-05-18T00:18:15Z"},{"alias_kind":"arxiv_version","alias_value":"1710.09117v1","created_at":"2026-05-18T00:18:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.09117","created_at":"2026-05-18T00:18:15Z"},{"alias_kind":"pith_short_12","alias_value":"ZFYIYIK5YEFI","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZFYIYIK5YEFI4IMQ","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZFYIYIK5","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:228ec86130eea02cc85e2ea9da955eff13bc3f392e603915a106668d75ed6c9b","target":"graph","created_at":"2026-05-18T00:18:15Z","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 explore the relationship between X-ray absorption and optical obscuration within the BAT AGN Spectroscopic Survey (BASS) which has been collecting and analyzing the optical and X-ray spectra for 641 hard X-ray selected ($E>14$ keV) active galactic nuclei (AGN). We use the deviation from a linear broad H$\\alpha$-to-X-ray relationship as an estimate of the maximum optical obscuration towards the broad line region and compare the $A_{\\rm V}$ to the hydrogen column densities ($N_{\\rm H}$) found through systematic modeling of their X-ray spectra. We find that the inferred columns implied by $A_{","authors_text":"Benny Trakhtenbrot, Claudio Ricci, David Rosario, Dieter Lutz, Eckhard Sturm, Isabella Lamperti, Kevin Schawinski, Kyuseok Oh, Leonard Burtscher, Linda Tacconi, Michael Koss, Ming-Yi Lin, Reinhard Genzel, Richard I. Davies, T. Taro Shimizu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-25T08:32:34Z","title":"BAT AGN Spectroscopic Survey--VIII. Type 1 AGN With Massive Absorbing Columns"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.09117","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":"sha256:0d0ed0aba837e9666fd9b814270cfceca8da912489c232f3b99f7032a30cbf71","target":"record","created_at":"2026-05-18T00:18:15Z","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":"34cd360185042f507c4d51bee746bc4a8b6a42d8d1866d3e68fbbdd4a1a03c9a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-25T08:32:34Z","title_canon_sha256":"fd7ec86313198e3c76c1277a9d3e413bcb9a14af6354b8c0f34be97d4c865514"},"schema_version":"1.0","source":{"id":"1710.09117","kind":"arxiv","version":1}},"canonical_sha256":"c9708c215dc10a8e219047feb4e6548a075ef3639f95ff3002c6a5dcb36247eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9708c215dc10a8e219047feb4e6548a075ef3639f95ff3002c6a5dcb36247eb","first_computed_at":"2026-05-18T00:18:15.928971Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:18:15.928971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cdkgZCgDs0MjAMuZbGtGMnGwqgVQdWaOhnylxdDJNbOIEyaBk6PVGi2DwxCHrf9u7NTMLX19YREpDObeXXC/Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:18:15.929650Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.09117","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d0ed0aba837e9666fd9b814270cfceca8da912489c232f3b99f7032a30cbf71","sha256:228ec86130eea02cc85e2ea9da955eff13bc3f392e603915a106668d75ed6c9b"],"state_sha256":"b38e3650c51fb243b1adcd444265b459caa9fef08387f82fab5e4953896ede9e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QYii+ILtFuDB588A/RCyvruoB35tOTa51jtEuxyUKq8tXVrPfH8m6n/I7v201lZwxIhXeIZngSgBK8jXGUbAAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T22:46:39.377108Z","bundle_sha256":"1292174d38f05f7a66025f64879e0b17bc9cb841b26f29e64f4c8d6fc0a5eb42"}}