{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:R3PR5OGMO4XYSDGC2Q5BBAYZJO","short_pith_number":"pith:R3PR5OGM","canonical_record":{"source":{"id":"2102.04412","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-02-08T18:18:23Z","cross_cats_sorted":[],"title_canon_sha256":"f849886a065839083a09113603877d4cb253c436c325e919777c8c875d781b40","abstract_canon_sha256":"b9379527dc2054709d3870dcc08a792d439271b15b3801cb106fd59aab4b12f9"},"schema_version":"1.0"},"canonical_sha256":"8edf1eb8cc772f890cc2d43a1083194bb27dbc2e814d4c4563956506e0836581","source":{"kind":"arxiv","id":"2102.04412","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.04412","created_at":"2026-07-05T04:43:32Z"},{"alias_kind":"arxiv_version","alias_value":"2102.04412v1","created_at":"2026-07-05T04:43:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.04412","created_at":"2026-07-05T04:43:32Z"},{"alias_kind":"pith_short_12","alias_value":"R3PR5OGMO4XY","created_at":"2026-07-05T04:43:32Z"},{"alias_kind":"pith_short_16","alias_value":"R3PR5OGMO4XYSDGC","created_at":"2026-07-05T04:43:32Z"},{"alias_kind":"pith_short_8","alias_value":"R3PR5OGM","created_at":"2026-07-05T04:43:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:R3PR5OGMO4XYSDGC2Q5BBAYZJO","target":"record","payload":{"canonical_record":{"source":{"id":"2102.04412","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-02-08T18:18:23Z","cross_cats_sorted":[],"title_canon_sha256":"f849886a065839083a09113603877d4cb253c436c325e919777c8c875d781b40","abstract_canon_sha256":"b9379527dc2054709d3870dcc08a792d439271b15b3801cb106fd59aab4b12f9"},"schema_version":"1.0"},"canonical_sha256":"8edf1eb8cc772f890cc2d43a1083194bb27dbc2e814d4c4563956506e0836581","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:43:32.103387Z","signature_b64":"SO7wHhuhmhPWcBMT/kzJr3G/dR9qEfFvNi8zMmvsVoKwi6yZSqKjSqtwPH3z5bMdHIa9wKx9GeafEXoRJdUTDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8edf1eb8cc772f890cc2d43a1083194bb27dbc2e814d4c4563956506e0836581","last_reissued_at":"2026-07-05T04:43:32.102964Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:43:32.102964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.04412","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":"2026-07-05T04:43:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8QglvneYmyHaoE7ttWhK7msbFGP15xTt+pn6hDqZc44cPap7bg81akriK3pOlTgkbJPqCDeA8sW/DBLcpLoBDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:08:19.810792Z"},"content_sha256":"2b783f9022fbe86984bf152938d1148fded65d2e1bff64cb70ec8434b8d27aee","schema_version":"1.0","event_id":"sha256:2b783f9022fbe86984bf152938d1148fded65d2e1bff64cb70ec8434b8d27aee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:R3PR5OGMO4XYSDGC2Q5BBAYZJO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"BAT AGN Spectroscopic Survey-XXIII. A New Mid-Infrared Diagnostic for Absorption in Active Galactic Nuclei","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Benny Trakhtenbrot, Claudio Ricci, C. Megan Urry, Daniel Asmus, Daniel Stern, David J. Rosario, Ezequiel Treister, Federica Ricci, Fiona Harrison, Kohei Ichikawa, Kyuseok Oh, Marko Stalevski, Meredith Powell, Michael J. Koss, Peter G. Boorman, Ryan W. Pfeifle, Shobita Satyapal, Turgay Caglar","submitted_at":"2021-02-08T18:18:23Z","abstract_excerpt":"In this study, we use the SWIFT/BAT AGN sample, which has received extensive multiwavelength follow-up analysis as a result of the BAT AGN Spectroscopic Survey (BASS), to develop a diagnostic for nuclear obscuration by examining the relationship between the line-of-sight column densities ($N_{\\rm{H}}$), the 2-10 keV-to-$12\\,\\rm{\\mu m}$ luminosity ratio, and WISE mid-infrared colors. We demonstrate that heavily obscured AGNs tend to exhibit both preferentially ''redder'' mid-infrared colors and lower values of $L_{\\rm{X,\\,Obs.}}$/$L_{12\\,\\rm{\\mu m}}$ than less obscured AGNs, and we derive expre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.04412","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2102.04412/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":"2026-07-05T04:43:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OjdXfuWc/0V+8d3kFEbZ0lLCycbtGZIdQRiSfp8q2hvFj2vJxa4J1AVHAHtatKzeZEFXbwc32M/sD5zt5n24Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:08:19.811169Z"},"content_sha256":"879ea1574197b5397b70915976b2b267a8c86f0337221ac812e2d1cbe4389bc8","schema_version":"1.0","event_id":"sha256:879ea1574197b5397b70915976b2b267a8c86f0337221ac812e2d1cbe4389bc8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R3PR5OGMO4XYSDGC2Q5BBAYZJO/bundle.json","state_url":"https://pith.science/pith/R3PR5OGMO4XYSDGC2Q5BBAYZJO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R3PR5OGMO4XYSDGC2Q5BBAYZJO/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":"2026-07-06T19:08:19Z","links":{"resolver":"https://pith.science/pith/R3PR5OGMO4XYSDGC2Q5BBAYZJO","bundle":"https://pith.science/pith/R3PR5OGMO4XYSDGC2Q5BBAYZJO/bundle.json","state":"https://pith.science/pith/R3PR5OGMO4XYSDGC2Q5BBAYZJO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R3PR5OGMO4XYSDGC2Q5BBAYZJO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:R3PR5OGMO4XYSDGC2Q5BBAYZJO","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":"b9379527dc2054709d3870dcc08a792d439271b15b3801cb106fd59aab4b12f9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-02-08T18:18:23Z","title_canon_sha256":"f849886a065839083a09113603877d4cb253c436c325e919777c8c875d781b40"},"schema_version":"1.0","source":{"id":"2102.04412","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.04412","created_at":"2026-07-05T04:43:32Z"},{"alias_kind":"arxiv_version","alias_value":"2102.04412v1","created_at":"2026-07-05T04:43:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.04412","created_at":"2026-07-05T04:43:32Z"},{"alias_kind":"pith_short_12","alias_value":"R3PR5OGMO4XY","created_at":"2026-07-05T04:43:32Z"},{"alias_kind":"pith_short_16","alias_value":"R3PR5OGMO4XYSDGC","created_at":"2026-07-05T04:43:32Z"},{"alias_kind":"pith_short_8","alias_value":"R3PR5OGM","created_at":"2026-07-05T04:43:32Z"}],"graph_snapshots":[{"event_id":"sha256:879ea1574197b5397b70915976b2b267a8c86f0337221ac812e2d1cbe4389bc8","target":"graph","created_at":"2026-07-05T04:43:32Z","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/2102.04412/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this study, we use the SWIFT/BAT AGN sample, which has received extensive multiwavelength follow-up analysis as a result of the BAT AGN Spectroscopic Survey (BASS), to develop a diagnostic for nuclear obscuration by examining the relationship between the line-of-sight column densities ($N_{\\rm{H}}$), the 2-10 keV-to-$12\\,\\rm{\\mu m}$ luminosity ratio, and WISE mid-infrared colors. We demonstrate that heavily obscured AGNs tend to exhibit both preferentially ''redder'' mid-infrared colors and lower values of $L_{\\rm{X,\\,Obs.}}$/$L_{12\\,\\rm{\\mu m}}$ than less obscured AGNs, and we derive expre","authors_text":"Benny Trakhtenbrot, Claudio Ricci, C. Megan Urry, Daniel Asmus, Daniel Stern, David J. Rosario, Ezequiel Treister, Federica Ricci, Fiona Harrison, Kohei Ichikawa, Kyuseok Oh, Marko Stalevski, Meredith Powell, Michael J. Koss, Peter G. Boorman, Ryan W. Pfeifle, Shobita Satyapal, Turgay Caglar","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-02-08T18:18:23Z","title":"BAT AGN Spectroscopic Survey-XXIII. A New Mid-Infrared Diagnostic for Absorption in Active Galactic Nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.04412","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":"sha256:2b783f9022fbe86984bf152938d1148fded65d2e1bff64cb70ec8434b8d27aee","target":"record","created_at":"2026-07-05T04:43:32Z","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":"b9379527dc2054709d3870dcc08a792d439271b15b3801cb106fd59aab4b12f9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-02-08T18:18:23Z","title_canon_sha256":"f849886a065839083a09113603877d4cb253c436c325e919777c8c875d781b40"},"schema_version":"1.0","source":{"id":"2102.04412","kind":"arxiv","version":1}},"canonical_sha256":"8edf1eb8cc772f890cc2d43a1083194bb27dbc2e814d4c4563956506e0836581","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8edf1eb8cc772f890cc2d43a1083194bb27dbc2e814d4c4563956506e0836581","first_computed_at":"2026-07-05T04:43:32.102964Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:43:32.102964Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SO7wHhuhmhPWcBMT/kzJr3G/dR9qEfFvNi8zMmvsVoKwi6yZSqKjSqtwPH3z5bMdHIa9wKx9GeafEXoRJdUTDw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:43:32.103387Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.04412","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2b783f9022fbe86984bf152938d1148fded65d2e1bff64cb70ec8434b8d27aee","sha256:879ea1574197b5397b70915976b2b267a8c86f0337221ac812e2d1cbe4389bc8"],"state_sha256":"cd5ea0b6f1bb268c1c7843ba5bb840c26966e820ceb1b110a6626e3a0bbefac5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yVc4d+snBeAZ8WCUdLUjFiLSmda3xU81id486o2XjMJV0Hj+s5WeDgYNpf6CZT9y1BkWPyOLXy5EZgXRH1A6CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T19:08:19.813412Z","bundle_sha256":"8cf28af584d8d87936d7f6cea0d577d7703788fd5b8b42f5e187abcd6347f675"}}