{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:NAWDQGNR4NNLQO6HVBTMPDG3FW","short_pith_number":"pith:NAWDQGNR","canonical_record":{"source":{"id":"1902.10295","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-27T01:38:56Z","cross_cats_sorted":[],"title_canon_sha256":"5d16e49d96dd2457e23215ae7a52fce74c7882bf1f5aa076802188db61dccae7","abstract_canon_sha256":"4829485f79dbfccf569ec64cea8cb031e9260e2b6698f95f57b06a429f53ad58"},"schema_version":"1.0"},"canonical_sha256":"682c3819b1e35ab83bc7a866c78cdb2db50076da84ead73e7142693215d321e5","source":{"kind":"arxiv","id":"1902.10295","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.10295","created_at":"2026-05-17T23:51:51Z"},{"alias_kind":"arxiv_version","alias_value":"1902.10295v2","created_at":"2026-05-17T23:51:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.10295","created_at":"2026-05-17T23:51:51Z"},{"alias_kind":"pith_short_12","alias_value":"NAWDQGNR4NNL","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"NAWDQGNR4NNLQO6H","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"NAWDQGNR","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:NAWDQGNR4NNLQO6HVBTMPDG3FW","target":"record","payload":{"canonical_record":{"source":{"id":"1902.10295","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-27T01:38:56Z","cross_cats_sorted":[],"title_canon_sha256":"5d16e49d96dd2457e23215ae7a52fce74c7882bf1f5aa076802188db61dccae7","abstract_canon_sha256":"4829485f79dbfccf569ec64cea8cb031e9260e2b6698f95f57b06a429f53ad58"},"schema_version":"1.0"},"canonical_sha256":"682c3819b1e35ab83bc7a866c78cdb2db50076da84ead73e7142693215d321e5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:51:51.956191Z","signature_b64":"wuw6Q+NprqF9FxBDLwimaa3JO1levQ2qaYP6Au2wb3c1T/O3xoU7gmDZ2eWnhdLsuBfLwxIJaCCobmSPCh7MCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"682c3819b1e35ab83bc7a866c78cdb2db50076da84ead73e7142693215d321e5","last_reissued_at":"2026-05-17T23:51:51.955538Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:51:51.955538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.10295","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":"2026-05-17T23:51:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BfdSMPzdsM6tnWuB5IYSO4DQOhC9BQgYY+Xy6mOs5G4cmsmkEULL3v16cijxj2HYRfI014Ek/VhfokAqg46mCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T11:55:56.717510Z"},"content_sha256":"d64f4400192c9f691fa276136096991db57436b26c51bdb5b4aa9b1b1f3d24f0","schema_version":"1.0","event_id":"sha256:d64f4400192c9f691fa276136096991db57436b26c51bdb5b4aa9b1b1f3d24f0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:NAWDQGNR4NNLQO6HVBTMPDG3FW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A New Diagnostic to Separate Line Emission from Star Formation, Shocks, and AGN Simultaneously in IFU Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adam D. Thomas, Anne Medling, Brent A. Groves, Joshua J. D'Agostino, Lisa J. Kewley, Michael A. Dopita","submitted_at":"2019-02-27T01:38:56Z","abstract_excerpt":"In the optical spectra of galaxies, methods for the separation of line emission arising from star formation and an additional hard component, such as shocks or AGN, is well-understood and possible with current diagnostics. However, such diagnostics fail when attempting to separate and define line emission which arises from shocked gas, and that arising from AGN. We present a new three-dimensional diagnostic diagram for IFU data which can simultaneously separate the line emission amongst star formation, shocks, and AGN within a galaxy. We show that regions we define as AGN-dominated correlate w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.10295","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":"2026-05-17T23:51:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b/I650pycrEYeKSSE2ZGEbFgoHy9pE17KlSr86341+D/i6jFUc2xyJNs0w8bnYi4dYfC8HUnDQHhC1YC8gT6BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T11:55:56.717847Z"},"content_sha256":"9e0ec89dcfff03929f4cbb47393dfa1883564afdb94ceb4a45f72dcd91e5ca08","schema_version":"1.0","event_id":"sha256:9e0ec89dcfff03929f4cbb47393dfa1883564afdb94ceb4a45f72dcd91e5ca08"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NAWDQGNR4NNLQO6HVBTMPDG3FW/bundle.json","state_url":"https://pith.science/pith/NAWDQGNR4NNLQO6HVBTMPDG3FW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NAWDQGNR4NNLQO6HVBTMPDG3FW/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":"2026-05-19T11:55:56Z","links":{"resolver":"https://pith.science/pith/NAWDQGNR4NNLQO6HVBTMPDG3FW","bundle":"https://pith.science/pith/NAWDQGNR4NNLQO6HVBTMPDG3FW/bundle.json","state":"https://pith.science/pith/NAWDQGNR4NNLQO6HVBTMPDG3FW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NAWDQGNR4NNLQO6HVBTMPDG3FW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:NAWDQGNR4NNLQO6HVBTMPDG3FW","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":"4829485f79dbfccf569ec64cea8cb031e9260e2b6698f95f57b06a429f53ad58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-27T01:38:56Z","title_canon_sha256":"5d16e49d96dd2457e23215ae7a52fce74c7882bf1f5aa076802188db61dccae7"},"schema_version":"1.0","source":{"id":"1902.10295","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.10295","created_at":"2026-05-17T23:51:51Z"},{"alias_kind":"arxiv_version","alias_value":"1902.10295v2","created_at":"2026-05-17T23:51:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.10295","created_at":"2026-05-17T23:51:51Z"},{"alias_kind":"pith_short_12","alias_value":"NAWDQGNR4NNL","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"NAWDQGNR4NNLQO6H","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"NAWDQGNR","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:9e0ec89dcfff03929f4cbb47393dfa1883564afdb94ceb4a45f72dcd91e5ca08","target":"graph","created_at":"2026-05-17T23:51:51Z","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":"In the optical spectra of galaxies, methods for the separation of line emission arising from star formation and an additional hard component, such as shocks or AGN, is well-understood and possible with current diagnostics. However, such diagnostics fail when attempting to separate and define line emission which arises from shocked gas, and that arising from AGN. We present a new three-dimensional diagnostic diagram for IFU data which can simultaneously separate the line emission amongst star formation, shocks, and AGN within a galaxy. We show that regions we define as AGN-dominated correlate w","authors_text":"Adam D. Thomas, Anne Medling, Brent A. Groves, Joshua J. D'Agostino, Lisa J. Kewley, Michael A. Dopita","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-27T01:38:56Z","title":"A New Diagnostic to Separate Line Emission from Star Formation, Shocks, and AGN Simultaneously in IFU Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.10295","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:d64f4400192c9f691fa276136096991db57436b26c51bdb5b4aa9b1b1f3d24f0","target":"record","created_at":"2026-05-17T23:51:51Z","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":"4829485f79dbfccf569ec64cea8cb031e9260e2b6698f95f57b06a429f53ad58","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-27T01:38:56Z","title_canon_sha256":"5d16e49d96dd2457e23215ae7a52fce74c7882bf1f5aa076802188db61dccae7"},"schema_version":"1.0","source":{"id":"1902.10295","kind":"arxiv","version":2}},"canonical_sha256":"682c3819b1e35ab83bc7a866c78cdb2db50076da84ead73e7142693215d321e5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"682c3819b1e35ab83bc7a866c78cdb2db50076da84ead73e7142693215d321e5","first_computed_at":"2026-05-17T23:51:51.955538Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:51:51.955538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wuw6Q+NprqF9FxBDLwimaa3JO1levQ2qaYP6Au2wb3c1T/O3xoU7gmDZ2eWnhdLsuBfLwxIJaCCobmSPCh7MCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:51:51.956191Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.10295","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d64f4400192c9f691fa276136096991db57436b26c51bdb5b4aa9b1b1f3d24f0","sha256:9e0ec89dcfff03929f4cbb47393dfa1883564afdb94ceb4a45f72dcd91e5ca08"],"state_sha256":"34b3740a4a7617e561e3965d5ad7df01f250451ce3684a54ac6c05edd013352d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cWeyq/lXIn+M5JJGqVwOF7dGJruLTsepvxwITjt82H0UQGtVqVtqrUsNCgAAIeVv8kp4w5Y8Q29KounrGtKJBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T11:55:56.719435Z","bundle_sha256":"c05db088660736804bdc6840e12a76254161f5181655f0f636fb2d31cf464df9"}}