{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:RZXQIGBVHBWAHZVCO24LVAFHR5","short_pith_number":"pith:RZXQIGBV","canonical_record":{"source":{"id":"1707.03404","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-07-11T18:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"d259791f9e46ba3de645fb7f39265e6db798314fef82231610e354dd7cc008a3","abstract_canon_sha256":"ce5206a83568b31f1379221502552f9cb3fa44260ed1900b1a9d4e2fc787fca1"},"schema_version":"1.0"},"canonical_sha256":"8e6f041835386c03e6a276b8ba80a78f5a421e273c7c0db2f6a36445895968ad","source":{"kind":"arxiv","id":"1707.03404","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.03404","created_at":"2026-05-18T00:38:50Z"},{"alias_kind":"arxiv_version","alias_value":"1707.03404v1","created_at":"2026-05-18T00:38:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.03404","created_at":"2026-05-18T00:38:50Z"},{"alias_kind":"pith_short_12","alias_value":"RZXQIGBVHBWA","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"RZXQIGBVHBWAHZVC","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"RZXQIGBV","created_at":"2026-05-18T12:31:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:RZXQIGBVHBWAHZVCO24LVAFHR5","target":"record","payload":{"canonical_record":{"source":{"id":"1707.03404","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-07-11T18:00:05Z","cross_cats_sorted":[],"title_canon_sha256":"d259791f9e46ba3de645fb7f39265e6db798314fef82231610e354dd7cc008a3","abstract_canon_sha256":"ce5206a83568b31f1379221502552f9cb3fa44260ed1900b1a9d4e2fc787fca1"},"schema_version":"1.0"},"canonical_sha256":"8e6f041835386c03e6a276b8ba80a78f5a421e273c7c0db2f6a36445895968ad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:50.022357Z","signature_b64":"KUaQcH1z4qtAH8DqFSnBQK4Qczhs4ui0NtMsPs/ThEHge3WnGswQo77hxYM9V6QO5ioiOy+xXk5eCWjNGymQAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8e6f041835386c03e6a276b8ba80a78f5a421e273c7c0db2f6a36445895968ad","last_reissued_at":"2026-05-18T00:38:50.021708Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:50.021708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.03404","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":"2026-05-18T00:38:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jr6AKJcoV1t9i/wlll3mEOa5HICx6Pn80eLWB3TnJcMNRt5ZhlutgoV1yDJE4c1yl+JzJa+/3wCc+fblw5l9Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T17:03:36.675977Z"},"content_sha256":"730f9e8e756376ae37e7f716ce49a9580d02546ee38e71b3868a1d2f99597922","schema_version":"1.0","event_id":"sha256:730f9e8e756376ae37e7f716ce49a9580d02546ee38e71b3868a1d2f99597922"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:RZXQIGBVHBWAHZVCO24LVAFHR5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dissecting Galaxies: Separating Star Formation, Shock Excitation and AGN Activity in the Central Region of NGC 613","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Bethan James, Brent Groves, Chichuan Jin, Elise J. Hampton, Fergus Longbottom, Ingyin Zaw, Jaya Maithil, Julia Scharw\\\"achter, Julie Banfield, Lisa J. Kewley, Michael A. Dopita, Prajval Shastri, Preeti Kharb, Ralph Sutherland, Rebecca L. Davies, St\\'ephanie Juneau","submitted_at":"2017-07-11T18:00:05Z","abstract_excerpt":"The most rapidly evolving regions of galaxies often display complex optical spectra with emission lines excited by massive stars, shocks and accretion onto supermassive black holes. Standard calibrations (such as for the star formation rate) cannot be applied to such mixed spectra. In this paper we isolate the contributions of star formation, shock excitation and active galactic nucleus (AGN) activity to the emission line luminosities of individual spatially resolved regions across the central 3 $\\times$ 3 kpc$^2$ region of the active barred spiral galaxy NGC$\\sim$613. The star formation rate "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.03404","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":"2026-05-18T00:38:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yFnBp+ZZEoyqCH+TTtTQY+WXh7lmQARS7FZttwV4G/+3IwAyP4jigC4Co8GXTiq6FnmHkMSk19IUwYC1qV1eDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T17:03:36.676340Z"},"content_sha256":"7dea1534088cb9171a9b9eba07c377b9bd8be5bc8fef905b47052b0870c5c389","schema_version":"1.0","event_id":"sha256:7dea1534088cb9171a9b9eba07c377b9bd8be5bc8fef905b47052b0870c5c389"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RZXQIGBVHBWAHZVCO24LVAFHR5/bundle.json","state_url":"https://pith.science/pith/RZXQIGBVHBWAHZVCO24LVAFHR5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RZXQIGBVHBWAHZVCO24LVAFHR5/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":"2026-06-03T17:03:36Z","links":{"resolver":"https://pith.science/pith/RZXQIGBVHBWAHZVCO24LVAFHR5","bundle":"https://pith.science/pith/RZXQIGBVHBWAHZVCO24LVAFHR5/bundle.json","state":"https://pith.science/pith/RZXQIGBVHBWAHZVCO24LVAFHR5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RZXQIGBVHBWAHZVCO24LVAFHR5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:RZXQIGBVHBWAHZVCO24LVAFHR5","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":"ce5206a83568b31f1379221502552f9cb3fa44260ed1900b1a9d4e2fc787fca1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-07-11T18:00:05Z","title_canon_sha256":"d259791f9e46ba3de645fb7f39265e6db798314fef82231610e354dd7cc008a3"},"schema_version":"1.0","source":{"id":"1707.03404","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.03404","created_at":"2026-05-18T00:38:50Z"},{"alias_kind":"arxiv_version","alias_value":"1707.03404v1","created_at":"2026-05-18T00:38:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.03404","created_at":"2026-05-18T00:38:50Z"},{"alias_kind":"pith_short_12","alias_value":"RZXQIGBVHBWA","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"RZXQIGBVHBWAHZVC","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"RZXQIGBV","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:7dea1534088cb9171a9b9eba07c377b9bd8be5bc8fef905b47052b0870c5c389","target":"graph","created_at":"2026-05-18T00:38:50Z","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":"The most rapidly evolving regions of galaxies often display complex optical spectra with emission lines excited by massive stars, shocks and accretion onto supermassive black holes. Standard calibrations (such as for the star formation rate) cannot be applied to such mixed spectra. In this paper we isolate the contributions of star formation, shock excitation and active galactic nucleus (AGN) activity to the emission line luminosities of individual spatially resolved regions across the central 3 $\\times$ 3 kpc$^2$ region of the active barred spiral galaxy NGC$\\sim$613. The star formation rate ","authors_text":"Bethan James, Brent Groves, Chichuan Jin, Elise J. Hampton, Fergus Longbottom, Ingyin Zaw, Jaya Maithil, Julia Scharw\\\"achter, Julie Banfield, Lisa J. Kewley, Michael A. Dopita, Prajval Shastri, Preeti Kharb, Ralph Sutherland, Rebecca L. Davies, St\\'ephanie Juneau","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-07-11T18:00:05Z","title":"Dissecting Galaxies: Separating Star Formation, Shock Excitation and AGN Activity in the Central Region of NGC 613"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.03404","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":"sha256:730f9e8e756376ae37e7f716ce49a9580d02546ee38e71b3868a1d2f99597922","target":"record","created_at":"2026-05-18T00:38:50Z","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":"ce5206a83568b31f1379221502552f9cb3fa44260ed1900b1a9d4e2fc787fca1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-07-11T18:00:05Z","title_canon_sha256":"d259791f9e46ba3de645fb7f39265e6db798314fef82231610e354dd7cc008a3"},"schema_version":"1.0","source":{"id":"1707.03404","kind":"arxiv","version":1}},"canonical_sha256":"8e6f041835386c03e6a276b8ba80a78f5a421e273c7c0db2f6a36445895968ad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8e6f041835386c03e6a276b8ba80a78f5a421e273c7c0db2f6a36445895968ad","first_computed_at":"2026-05-18T00:38:50.021708Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:50.021708Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KUaQcH1z4qtAH8DqFSnBQK4Qczhs4ui0NtMsPs/ThEHge3WnGswQo77hxYM9V6QO5ioiOy+xXk5eCWjNGymQAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:50.022357Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.03404","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:730f9e8e756376ae37e7f716ce49a9580d02546ee38e71b3868a1d2f99597922","sha256:7dea1534088cb9171a9b9eba07c377b9bd8be5bc8fef905b47052b0870c5c389"],"state_sha256":"f3e155d222269a5016ab0ecb0a696456fba8ee6d467c0f00c8de8f366b65116b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P2QFcL9wJi2B03N2CakqbnhBsvTWamDF2KTt/0Z1Y/7Vp6cfoKLMwwBeTKJeiimBQqClJpQ4X3fB0kRqZN9iCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T17:03:36.679021Z","bundle_sha256":"168f279cbeae5ac452c5b032f487aec35821c8062fe4c33a00250faa48efb446"}}