{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:54JRC3VIPNQTZQVPNACQCEVRDC","short_pith_number":"pith:54JRC3VI","canonical_record":{"source":{"id":"1812.08236","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-12-19T20:52:56Z","cross_cats_sorted":[],"title_canon_sha256":"af15790b1516ec45655caf5ac56048fb3951cf8251cfa625d960803691635620","abstract_canon_sha256":"5f1d5c350ecbe49e361800875449c01de03613669570951b6e0dbc1173b6fb66"},"schema_version":"1.0"},"canonical_sha256":"ef13116ea87b613cc2af68050112b1189bf3acdb196b4d1f099dfbcdf8ca3384","source":{"kind":"arxiv","id":"1812.08236","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.08236","created_at":"2026-05-17T23:57:36Z"},{"alias_kind":"arxiv_version","alias_value":"1812.08236v1","created_at":"2026-05-17T23:57:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.08236","created_at":"2026-05-17T23:57:36Z"},{"alias_kind":"pith_short_12","alias_value":"54JRC3VIPNQT","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"54JRC3VIPNQTZQVP","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"54JRC3VI","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:54JRC3VIPNQTZQVPNACQCEVRDC","target":"record","payload":{"canonical_record":{"source":{"id":"1812.08236","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-12-19T20:52:56Z","cross_cats_sorted":[],"title_canon_sha256":"af15790b1516ec45655caf5ac56048fb3951cf8251cfa625d960803691635620","abstract_canon_sha256":"5f1d5c350ecbe49e361800875449c01de03613669570951b6e0dbc1173b6fb66"},"schema_version":"1.0"},"canonical_sha256":"ef13116ea87b613cc2af68050112b1189bf3acdb196b4d1f099dfbcdf8ca3384","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:57:36.914911Z","signature_b64":"QO2MYNeCLmgrVQWM5ukLXUXMCHgICnotvnnnV69hTklH/gGaE2IWMHBVvalE7mqE8W4DeIVDolyDqF2X+b2vAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef13116ea87b613cc2af68050112b1189bf3acdb196b4d1f099dfbcdf8ca3384","last_reissued_at":"2026-05-17T23:57:36.914458Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:57:36.914458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.08236","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":"2026-05-17T23:57:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JrMrj+SJ81W1/qrQzEeSGdRj3QZHMem9qS+uZKWe8BV9iOORTa5up7/cwdTWDGd1a7rDjF57ElX8MuTHu5awCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T23:28:09.809523Z"},"content_sha256":"93e7977fc45a6d5fe0f28f1f6c48e090683d760baf833a6c2f238219a6c58f4e","schema_version":"1.0","event_id":"sha256:93e7977fc45a6d5fe0f28f1f6c48e090683d760baf833a6c2f238219a6c58f4e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:54JRC3VIPNQTZQVPNACQCEVRDC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"SOFIA/FORCAST resolves 30 - 40 um extended dust emission in nearby active galactic nuclei","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Aditya Togi, Almudena Alonso-Herrero, Chris Packham, Cristina Ramos-Almeida, Enrique Lopez-Rodriguez, James Radomski, Kohei Ichikawa, Lindsay Fuller, N. A. Levenson, Tanio Diaz-Santos","submitted_at":"2018-12-19T20:52:56Z","abstract_excerpt":"We present arcsecond-scale observations of the active galactic nuclei (AGNs) of seven nearby Seyfert galaxies observed from the Stratospheric Observatory For Infrared Astronomy (SOFIA) using the 31.5 and 37.1 um filters of the Faint Object infraRed CAmera for the SOFIA Telescope (FORCAST). We isolate unresolved emission from the torus and find extended diffuse emission in six 37.1 um residual images in our sample. Using Spitzer/IRS spectra, we determine the dominant mid-infrared (MIR) extended emission source and attribute it to dust in the narrow line region (NLR) or star formation. We compar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.08236","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":"2026-05-17T23:57:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SkID1C6IyhtTegOGPJdYOp8fWu7SbzeFaR+lniQHquCIZN0n3f/i/cGZXt+HcS8KjCQD/DlHo+CVT+mkKk/OCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T23:28:09.810141Z"},"content_sha256":"c9265577ca364bd9018e94c92abba511f8aba16b91ff3b354bb76bc2199be1b8","schema_version":"1.0","event_id":"sha256:c9265577ca364bd9018e94c92abba511f8aba16b91ff3b354bb76bc2199be1b8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/54JRC3VIPNQTZQVPNACQCEVRDC/bundle.json","state_url":"https://pith.science/pith/54JRC3VIPNQTZQVPNACQCEVRDC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/54JRC3VIPNQTZQVPNACQCEVRDC/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":"2026-05-30T23:28:09Z","links":{"resolver":"https://pith.science/pith/54JRC3VIPNQTZQVPNACQCEVRDC","bundle":"https://pith.science/pith/54JRC3VIPNQTZQVPNACQCEVRDC/bundle.json","state":"https://pith.science/pith/54JRC3VIPNQTZQVPNACQCEVRDC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/54JRC3VIPNQTZQVPNACQCEVRDC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:54JRC3VIPNQTZQVPNACQCEVRDC","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":"5f1d5c350ecbe49e361800875449c01de03613669570951b6e0dbc1173b6fb66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-12-19T20:52:56Z","title_canon_sha256":"af15790b1516ec45655caf5ac56048fb3951cf8251cfa625d960803691635620"},"schema_version":"1.0","source":{"id":"1812.08236","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.08236","created_at":"2026-05-17T23:57:36Z"},{"alias_kind":"arxiv_version","alias_value":"1812.08236v1","created_at":"2026-05-17T23:57:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.08236","created_at":"2026-05-17T23:57:36Z"},{"alias_kind":"pith_short_12","alias_value":"54JRC3VIPNQT","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"54JRC3VIPNQTZQVP","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"54JRC3VI","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:c9265577ca364bd9018e94c92abba511f8aba16b91ff3b354bb76bc2199be1b8","target":"graph","created_at":"2026-05-17T23:57:36Z","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":"We present arcsecond-scale observations of the active galactic nuclei (AGNs) of seven nearby Seyfert galaxies observed from the Stratospheric Observatory For Infrared Astronomy (SOFIA) using the 31.5 and 37.1 um filters of the Faint Object infraRed CAmera for the SOFIA Telescope (FORCAST). We isolate unresolved emission from the torus and find extended diffuse emission in six 37.1 um residual images in our sample. Using Spitzer/IRS spectra, we determine the dominant mid-infrared (MIR) extended emission source and attribute it to dust in the narrow line region (NLR) or star formation. We compar","authors_text":"Aditya Togi, Almudena Alonso-Herrero, Chris Packham, Cristina Ramos-Almeida, Enrique Lopez-Rodriguez, James Radomski, Kohei Ichikawa, Lindsay Fuller, N. A. Levenson, Tanio Diaz-Santos","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-12-19T20:52:56Z","title":"SOFIA/FORCAST resolves 30 - 40 um extended dust emission in nearby active galactic nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.08236","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":"sha256:93e7977fc45a6d5fe0f28f1f6c48e090683d760baf833a6c2f238219a6c58f4e","target":"record","created_at":"2026-05-17T23:57:36Z","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":"5f1d5c350ecbe49e361800875449c01de03613669570951b6e0dbc1173b6fb66","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-12-19T20:52:56Z","title_canon_sha256":"af15790b1516ec45655caf5ac56048fb3951cf8251cfa625d960803691635620"},"schema_version":"1.0","source":{"id":"1812.08236","kind":"arxiv","version":1}},"canonical_sha256":"ef13116ea87b613cc2af68050112b1189bf3acdb196b4d1f099dfbcdf8ca3384","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef13116ea87b613cc2af68050112b1189bf3acdb196b4d1f099dfbcdf8ca3384","first_computed_at":"2026-05-17T23:57:36.914458Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:57:36.914458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QO2MYNeCLmgrVQWM5ukLXUXMCHgICnotvnnnV69hTklH/gGaE2IWMHBVvalE7mqE8W4DeIVDolyDqF2X+b2vAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:57:36.914911Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.08236","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93e7977fc45a6d5fe0f28f1f6c48e090683d760baf833a6c2f238219a6c58f4e","sha256:c9265577ca364bd9018e94c92abba511f8aba16b91ff3b354bb76bc2199be1b8"],"state_sha256":"57730951e695dbf38e4375f4bc30da3b3b88610f8b48d890b7cdd10bcbc379be"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kkbpKTN8T55dT9pSHzK/N6OA7wRk+eNgKDaQwv/41ij50CqLw2zNL1L9e0g73ljxNKr4NH5czgAdBH0l+ladDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T23:28:09.813504Z","bundle_sha256":"fc8e222c083abec0acd47d473b745b8fe2159b1cc3ef4c95846bd9db9d97f46d"}}