{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:VKGZL2UD6VCZUQNIQ5I4NZS6KD","short_pith_number":"pith:VKGZL2UD","canonical_record":{"source":{"id":"2111.00065","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-10-29T20:00:00Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"ac487b4c9d8603636933cfcf7028879d8eac3a953cdd1d832712110b86c523bb","abstract_canon_sha256":"fe14fbe6e1ca0fb49e66bccc42e6812072f3318a67790a89cefe0f363bff6ec2"},"schema_version":"1.0"},"canonical_sha256":"aa8d95ea83f5459a41a88751c6e65e50fabe7ab7cb3165c515439ca5dd549be6","source":{"kind":"arxiv","id":"2111.00065","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.00065","created_at":"2026-07-05T03:32:25Z"},{"alias_kind":"arxiv_version","alias_value":"2111.00065v1","created_at":"2026-07-05T03:32:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.00065","created_at":"2026-07-05T03:32:25Z"},{"alias_kind":"pith_short_12","alias_value":"VKGZL2UD6VCZ","created_at":"2026-07-05T03:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"VKGZL2UD6VCZUQNI","created_at":"2026-07-05T03:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"VKGZL2UD","created_at":"2026-07-05T03:32:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:VKGZL2UD6VCZUQNIQ5I4NZS6KD","target":"record","payload":{"canonical_record":{"source":{"id":"2111.00065","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-10-29T20:00:00Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"ac487b4c9d8603636933cfcf7028879d8eac3a953cdd1d832712110b86c523bb","abstract_canon_sha256":"fe14fbe6e1ca0fb49e66bccc42e6812072f3318a67790a89cefe0f363bff6ec2"},"schema_version":"1.0"},"canonical_sha256":"aa8d95ea83f5459a41a88751c6e65e50fabe7ab7cb3165c515439ca5dd549be6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:32:25.993361Z","signature_b64":"xsoItY5coB9F/eHY8knwHXaqSBRIBC5ePbGx3Sf27UBUEf6TqktxSPjFj8O9RFRPuawakJEJd4fGwdnWxMzqAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa8d95ea83f5459a41a88751c6e65e50fabe7ab7cb3165c515439ca5dd549be6","last_reissued_at":"2026-07-05T03:32:25.992837Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:32:25.992837Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.00065","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":"2026-07-05T03:32:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VWZuhu4k25ZnZ80oskwckbZGI/pOGEqc8yxDnb3RopSfhVCDfwHdZKhkh5AzrCRhSuD2OoVZQcbWOwvRBlKgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T04:27:30.755559Z"},"content_sha256":"15a484cfc62b2d60c951f5a0892ebec0617d8f30772632c06203354aca2143ed","schema_version":"1.0","event_id":"sha256:15a484cfc62b2d60c951f5a0892ebec0617d8f30772632c06203354aca2143ed"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:VKGZL2UD6VCZUQNIQ5I4NZS6KD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-ray Simulations of Polar Gas in Accreting Supermassive Black Holes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Claudio Ricci, Jeffrey McKaig, Shobita Satyapal, St\\'ephane Paltani","submitted_at":"2021-10-29T20:00:00Z","abstract_excerpt":"Recent observations have shown that a large portion of the mid--infrared (MIR) spectrum of active galactic nuclei (AGN) stems from the polar regions. In this paper, we investigate the effects of this polar gas on the X-ray spectrum of AGN using ray-tracing simulations. Two geometries for the polar gas are considered, (1) a hollow cone corresponding to the best fit MIR model and (2) a filled cone, both with varying column densities (ranging from $10^{21}-10^{22.5}$ cm$^{-2}$) along with a torus surrounding the central X-ray source. We find that the polar gas leads to an increase in the equivale"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.00065","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/2111.00065/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":"2026-07-05T03:32:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f50AOF5bmuBXAyTSl4v9UdjkBYK/zQM1cXT5FIaBd/NzCa02Qn/MtgS5/GOawqVOTsadrVm+8o0uxH0b/HyNBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T04:27:30.756099Z"},"content_sha256":"6184cafa5a4805ed27965f1fad48798b9db2a905ecc1e54ed87edf083efcc357","schema_version":"1.0","event_id":"sha256:6184cafa5a4805ed27965f1fad48798b9db2a905ecc1e54ed87edf083efcc357"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VKGZL2UD6VCZUQNIQ5I4NZS6KD/bundle.json","state_url":"https://pith.science/pith/VKGZL2UD6VCZUQNIQ5I4NZS6KD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VKGZL2UD6VCZUQNIQ5I4NZS6KD/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":"2026-08-20T04:27:30Z","links":{"resolver":"https://pith.science/pith/VKGZL2UD6VCZUQNIQ5I4NZS6KD","bundle":"https://pith.science/pith/VKGZL2UD6VCZUQNIQ5I4NZS6KD/bundle.json","state":"https://pith.science/pith/VKGZL2UD6VCZUQNIQ5I4NZS6KD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VKGZL2UD6VCZUQNIQ5I4NZS6KD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:VKGZL2UD6VCZUQNIQ5I4NZS6KD","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":"fe14fbe6e1ca0fb49e66bccc42e6812072f3318a67790a89cefe0f363bff6ec2","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-10-29T20:00:00Z","title_canon_sha256":"ac487b4c9d8603636933cfcf7028879d8eac3a953cdd1d832712110b86c523bb"},"schema_version":"1.0","source":{"id":"2111.00065","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.00065","created_at":"2026-07-05T03:32:25Z"},{"alias_kind":"arxiv_version","alias_value":"2111.00065v1","created_at":"2026-07-05T03:32:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.00065","created_at":"2026-07-05T03:32:25Z"},{"alias_kind":"pith_short_12","alias_value":"VKGZL2UD6VCZ","created_at":"2026-07-05T03:32:25Z"},{"alias_kind":"pith_short_16","alias_value":"VKGZL2UD6VCZUQNI","created_at":"2026-07-05T03:32:25Z"},{"alias_kind":"pith_short_8","alias_value":"VKGZL2UD","created_at":"2026-07-05T03:32:25Z"}],"graph_snapshots":[{"event_id":"sha256:6184cafa5a4805ed27965f1fad48798b9db2a905ecc1e54ed87edf083efcc357","target":"graph","created_at":"2026-07-05T03:32:25Z","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/2111.00065/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent observations have shown that a large portion of the mid--infrared (MIR) spectrum of active galactic nuclei (AGN) stems from the polar regions. In this paper, we investigate the effects of this polar gas on the X-ray spectrum of AGN using ray-tracing simulations. Two geometries for the polar gas are considered, (1) a hollow cone corresponding to the best fit MIR model and (2) a filled cone, both with varying column densities (ranging from $10^{21}-10^{22.5}$ cm$^{-2}$) along with a torus surrounding the central X-ray source. We find that the polar gas leads to an increase in the equivale","authors_text":"Claudio Ricci, Jeffrey McKaig, Shobita Satyapal, St\\'ephane Paltani","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-10-29T20:00:00Z","title":"X-ray Simulations of Polar Gas in Accreting Supermassive Black Holes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.00065","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":"sha256:15a484cfc62b2d60c951f5a0892ebec0617d8f30772632c06203354aca2143ed","target":"record","created_at":"2026-07-05T03:32:25Z","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":"fe14fbe6e1ca0fb49e66bccc42e6812072f3318a67790a89cefe0f363bff6ec2","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2021-10-29T20:00:00Z","title_canon_sha256":"ac487b4c9d8603636933cfcf7028879d8eac3a953cdd1d832712110b86c523bb"},"schema_version":"1.0","source":{"id":"2111.00065","kind":"arxiv","version":1}},"canonical_sha256":"aa8d95ea83f5459a41a88751c6e65e50fabe7ab7cb3165c515439ca5dd549be6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa8d95ea83f5459a41a88751c6e65e50fabe7ab7cb3165c515439ca5dd549be6","first_computed_at":"2026-07-05T03:32:25.992837Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:32:25.992837Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xsoItY5coB9F/eHY8knwHXaqSBRIBC5ePbGx3Sf27UBUEf6TqktxSPjFj8O9RFRPuawakJEJd4fGwdnWxMzqAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:32:25.993361Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.00065","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15a484cfc62b2d60c951f5a0892ebec0617d8f30772632c06203354aca2143ed","sha256:6184cafa5a4805ed27965f1fad48798b9db2a905ecc1e54ed87edf083efcc357"],"state_sha256":"23267873693cb39eb8b422bc27d34fd0d7b47563b12c061a159af5e29f06f311"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TlZ2LjB5Lwycj01mfCcW/B/UjqMm7/f8c4DqhSjahKSJtkovMyn7C6OuY2O86ThcZIKZ+V6tLnvIv/CdMd21Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T04:27:30.761379Z","bundle_sha256":"de8bfdc16ddb906751c1a5edebe142474495e3f1f411bfa2e266d3d0309e253e"}}