{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:LK3W7KJ44C24RMTWLP2M7HYZOI","short_pith_number":"pith:LK3W7KJ4","canonical_record":{"source":{"id":"1512.03234","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-10T12:46:47Z","cross_cats_sorted":[],"title_canon_sha256":"8b976d8613211004ed0e2cfac10bdd7e49ae6c6325540d0e1a029c079902970a","abstract_canon_sha256":"62a0df607dcef62da74c6c7a6b6fa69a1aacb89b2e702cb0dc667bb8b445c6d7"},"schema_version":"1.0"},"canonical_sha256":"5ab76fa93ce0b5c8b2765bf4cf9f19723e91078402d6c7c431b84612914bebb0","source":{"kind":"arxiv","id":"1512.03234","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03234","created_at":"2026-05-18T01:21:50Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03234v1","created_at":"2026-05-18T01:21:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03234","created_at":"2026-05-18T01:21:50Z"},{"alias_kind":"pith_short_12","alias_value":"LK3W7KJ44C24","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"LK3W7KJ44C24RMTW","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"LK3W7KJ4","created_at":"2026-05-18T12:29:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:LK3W7KJ44C24RMTWLP2M7HYZOI","target":"record","payload":{"canonical_record":{"source":{"id":"1512.03234","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-10T12:46:47Z","cross_cats_sorted":[],"title_canon_sha256":"8b976d8613211004ed0e2cfac10bdd7e49ae6c6325540d0e1a029c079902970a","abstract_canon_sha256":"62a0df607dcef62da74c6c7a6b6fa69a1aacb89b2e702cb0dc667bb8b445c6d7"},"schema_version":"1.0"},"canonical_sha256":"5ab76fa93ce0b5c8b2765bf4cf9f19723e91078402d6c7c431b84612914bebb0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:50.991862Z","signature_b64":"u674Fv+gGDGlIbk5R4/OHlgQSNQFIJitzCzv/GEWyExhwubxpoX4SJzYo5KcD0X5CU9korvGheVl3fOaEyKvBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ab76fa93ce0b5c8b2765bf4cf9f19723e91078402d6c7c431b84612914bebb0","last_reissued_at":"2026-05-18T01:21:50.991286Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:50.991286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.03234","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":"2026-05-18T01:21:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kgSlUJQRiJztFOCMAwMuHg9Nr85yPzqYBsf//E4Qhsfz7k2MvxzHy6nv9yclZ0GvUkbjDXyZW79pC/LCcUP7Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:32:10.272873Z"},"content_sha256":"44cc094632b96e121f9ab85e9fb90e59ad42728d99d4ac9c781d652ac7b24a91","schema_version":"1.0","event_id":"sha256:44cc094632b96e121f9ab85e9fb90e59ad42728d99d4ac9c781d652ac7b24a91"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:LK3W7KJ44C24RMTWLP2M7HYZOI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The HST view of the innermost narrow line region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Capetti, A. Marconi, B. Balmaverde, D. Moisio, R. D. Baldi","submitted_at":"2015-12-10T12:46:47Z","abstract_excerpt":"We analyze the properties of the innermost narrow line region in a sample of low-luminosity AGN. We select 33 LINERs (bona fide AGN) and Seyfert galaxies from the optical spectroscopic Palomar survey observed by HST/STIS. We find that in LINERs the [NII] and [OI] lines are broader than the [SII] line and that the [NII]/[SII] flux ratio increases when moving from ground-based to HST spectra. This effect is more pronounced considering the wings of the lines. Our interpretation is that, as a result of superior HST spatial resolution, we isolate a compact region of dense ionized gas in LINERs, loc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03234","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":"2026-05-18T01:21:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eXig8LG+IGd87mYeduz1STk2uS/iXshrwsBVNlBfr6EToJDxLYmmJSdCrNOxUgCIqiJYswPegTRTs9/606wfCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:32:10.273555Z"},"content_sha256":"7220848db83226d5b8f4291a0767ada2fdded88969cb2ed899265fcb74d36c6c","schema_version":"1.0","event_id":"sha256:7220848db83226d5b8f4291a0767ada2fdded88969cb2ed899265fcb74d36c6c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LK3W7KJ44C24RMTWLP2M7HYZOI/bundle.json","state_url":"https://pith.science/pith/LK3W7KJ44C24RMTWLP2M7HYZOI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LK3W7KJ44C24RMTWLP2M7HYZOI/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":"2026-06-05T06:32:10Z","links":{"resolver":"https://pith.science/pith/LK3W7KJ44C24RMTWLP2M7HYZOI","bundle":"https://pith.science/pith/LK3W7KJ44C24RMTWLP2M7HYZOI/bundle.json","state":"https://pith.science/pith/LK3W7KJ44C24RMTWLP2M7HYZOI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LK3W7KJ44C24RMTWLP2M7HYZOI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:LK3W7KJ44C24RMTWLP2M7HYZOI","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":"62a0df607dcef62da74c6c7a6b6fa69a1aacb89b2e702cb0dc667bb8b445c6d7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-10T12:46:47Z","title_canon_sha256":"8b976d8613211004ed0e2cfac10bdd7e49ae6c6325540d0e1a029c079902970a"},"schema_version":"1.0","source":{"id":"1512.03234","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.03234","created_at":"2026-05-18T01:21:50Z"},{"alias_kind":"arxiv_version","alias_value":"1512.03234v1","created_at":"2026-05-18T01:21:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.03234","created_at":"2026-05-18T01:21:50Z"},{"alias_kind":"pith_short_12","alias_value":"LK3W7KJ44C24","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"LK3W7KJ44C24RMTW","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"LK3W7KJ4","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:7220848db83226d5b8f4291a0767ada2fdded88969cb2ed899265fcb74d36c6c","target":"graph","created_at":"2026-05-18T01:21:50Z","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":"We analyze the properties of the innermost narrow line region in a sample of low-luminosity AGN. We select 33 LINERs (bona fide AGN) and Seyfert galaxies from the optical spectroscopic Palomar survey observed by HST/STIS. We find that in LINERs the [NII] and [OI] lines are broader than the [SII] line and that the [NII]/[SII] flux ratio increases when moving from ground-based to HST spectra. This effect is more pronounced considering the wings of the lines. Our interpretation is that, as a result of superior HST spatial resolution, we isolate a compact region of dense ionized gas in LINERs, loc","authors_text":"A. Capetti, A. Marconi, B. Balmaverde, D. Moisio, R. D. Baldi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-10T12:46:47Z","title":"The HST view of the innermost narrow line region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.03234","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":"sha256:44cc094632b96e121f9ab85e9fb90e59ad42728d99d4ac9c781d652ac7b24a91","target":"record","created_at":"2026-05-18T01:21:50Z","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":"62a0df607dcef62da74c6c7a6b6fa69a1aacb89b2e702cb0dc667bb8b445c6d7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-12-10T12:46:47Z","title_canon_sha256":"8b976d8613211004ed0e2cfac10bdd7e49ae6c6325540d0e1a029c079902970a"},"schema_version":"1.0","source":{"id":"1512.03234","kind":"arxiv","version":1}},"canonical_sha256":"5ab76fa93ce0b5c8b2765bf4cf9f19723e91078402d6c7c431b84612914bebb0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ab76fa93ce0b5c8b2765bf4cf9f19723e91078402d6c7c431b84612914bebb0","first_computed_at":"2026-05-18T01:21:50.991286Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:21:50.991286Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u674Fv+gGDGlIbk5R4/OHlgQSNQFIJitzCzv/GEWyExhwubxpoX4SJzYo5KcD0X5CU9korvGheVl3fOaEyKvBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:21:50.991862Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.03234","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44cc094632b96e121f9ab85e9fb90e59ad42728d99d4ac9c781d652ac7b24a91","sha256:7220848db83226d5b8f4291a0767ada2fdded88969cb2ed899265fcb74d36c6c"],"state_sha256":"ac67cf360c66cc60f49fb4978ab9ca7a0105ee11714526a3f048a975d40a0516"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zdCgIuvtTrD0lHHa9ndjMdn/crGa7lkklLA6qPPmpGwz5ExvKB1mL34Vgm2AvwvAszaE6Xgvj87pbGLzWGq8Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T06:32:10.276947Z","bundle_sha256":"5c04480d0f21f598d27c22e35e2693f93b6944b7e0167279d70e65bc1ff1903e"}}