{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:2XPCSX7GOEJDJZC3JXXANTOKZW","short_pith_number":"pith:2XPCSX7G","canonical_record":{"source":{"id":"1204.3791","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-17T13:37:06Z","cross_cats_sorted":[],"title_canon_sha256":"a8a6a08df278619a99a4b44f3b994f558616acf5279bcad9fc1aed7c2b282375","abstract_canon_sha256":"ffd439c31e1cf6362094395601c1e596ad66d75f2d250fd537a2afd012321e21"},"schema_version":"1.0"},"canonical_sha256":"d5de295fe6711234e45b4dee06cdcacdb712976fa2fcdaa973bd3e40b737f0fe","source":{"kind":"arxiv","id":"1204.3791","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.3791","created_at":"2026-05-18T03:57:39Z"},{"alias_kind":"arxiv_version","alias_value":"1204.3791v1","created_at":"2026-05-18T03:57:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.3791","created_at":"2026-05-18T03:57:39Z"},{"alias_kind":"pith_short_12","alias_value":"2XPCSX7GOEJD","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2XPCSX7GOEJDJZC3","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2XPCSX7G","created_at":"2026-05-18T12:26:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:2XPCSX7GOEJDJZC3JXXANTOKZW","target":"record","payload":{"canonical_record":{"source":{"id":"1204.3791","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-17T13:37:06Z","cross_cats_sorted":[],"title_canon_sha256":"a8a6a08df278619a99a4b44f3b994f558616acf5279bcad9fc1aed7c2b282375","abstract_canon_sha256":"ffd439c31e1cf6362094395601c1e596ad66d75f2d250fd537a2afd012321e21"},"schema_version":"1.0"},"canonical_sha256":"d5de295fe6711234e45b4dee06cdcacdb712976fa2fcdaa973bd3e40b737f0fe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:57:39.563234Z","signature_b64":"6xli/Z6B3qgoFpvwx2desHYhsK5Ruydn6ZC9RKKUYUWhcGnt/OlH9dLV+USwdtdbYo4QQDvR5mGQyYh0JVPFAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d5de295fe6711234e45b4dee06cdcacdb712976fa2fcdaa973bd3e40b737f0fe","last_reissued_at":"2026-05-18T03:57:39.562614Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:57:39.562614Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.3791","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":"2026-05-18T03:57:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bw0VYsDF4E+VQp6wBmntVNGicVrFZ0jTAb9u2v64wZ2ha4TrHTOlN4I0c+BZFraRjSrdBkpxMmASm/Hex65UCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:02:05.527263Z"},"content_sha256":"31345206e1d480f48fef0ec277ef14519cf40d1b3db3cb9845946cf1fa6bc45c","schema_version":"1.0","event_id":"sha256:31345206e1d480f48fef0ec277ef14519cf40d1b3db3cb9845946cf1fa6bc45c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:2XPCSX7GOEJDJZC3JXXANTOKZW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Narrow UV Absorption Line Outflows from Quasars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Daniel Capellupo, Fred Hamann, Leah Simon, Paola Rodriguez Hidalgo","submitted_at":"2012-04-17T13:37:06Z","abstract_excerpt":"Narrow absorption line (NAL) outflows are an important yet poorly understood part of the quasar outflow phenomenon. We discuss one particular NAL outflow that has high speeds, time variability, and moderate ionizations like typical BAL flows, at an estimated location just ~5 pc from the quasar. It also has a total column density and line widths (internal velocity dispersions) ~100 times smaller than BALs, with no substantial X-ray absorption. We argue that radiative shielding (in the form of an X-ray/warm absorber) is not critical for the outflow acceleration and that the moderate ionizations "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.3791","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":"2026-05-18T03:57:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R7SiAQ7V7YMnN0x3hfUCTgSBqqQqTp7qiIrnqbZQnJ/Gm9ewjENTtPxQ75PYSQe+euw5hvv+88fg5NasoUtlAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T01:02:05.527613Z"},"content_sha256":"3e27e4cbae1c27bcd74e02a533d39cf5051a769ca6babc46f15094fcec7eb012","schema_version":"1.0","event_id":"sha256:3e27e4cbae1c27bcd74e02a533d39cf5051a769ca6babc46f15094fcec7eb012"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2XPCSX7GOEJDJZC3JXXANTOKZW/bundle.json","state_url":"https://pith.science/pith/2XPCSX7GOEJDJZC3JXXANTOKZW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2XPCSX7GOEJDJZC3JXXANTOKZW/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":"2026-05-31T01:02:05Z","links":{"resolver":"https://pith.science/pith/2XPCSX7GOEJDJZC3JXXANTOKZW","bundle":"https://pith.science/pith/2XPCSX7GOEJDJZC3JXXANTOKZW/bundle.json","state":"https://pith.science/pith/2XPCSX7GOEJDJZC3JXXANTOKZW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2XPCSX7GOEJDJZC3JXXANTOKZW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:2XPCSX7GOEJDJZC3JXXANTOKZW","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":"ffd439c31e1cf6362094395601c1e596ad66d75f2d250fd537a2afd012321e21","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-17T13:37:06Z","title_canon_sha256":"a8a6a08df278619a99a4b44f3b994f558616acf5279bcad9fc1aed7c2b282375"},"schema_version":"1.0","source":{"id":"1204.3791","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.3791","created_at":"2026-05-18T03:57:39Z"},{"alias_kind":"arxiv_version","alias_value":"1204.3791v1","created_at":"2026-05-18T03:57:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.3791","created_at":"2026-05-18T03:57:39Z"},{"alias_kind":"pith_short_12","alias_value":"2XPCSX7GOEJD","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"2XPCSX7GOEJDJZC3","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"2XPCSX7G","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:3e27e4cbae1c27bcd74e02a533d39cf5051a769ca6babc46f15094fcec7eb012","target":"graph","created_at":"2026-05-18T03:57:39Z","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":"Narrow absorption line (NAL) outflows are an important yet poorly understood part of the quasar outflow phenomenon. We discuss one particular NAL outflow that has high speeds, time variability, and moderate ionizations like typical BAL flows, at an estimated location just ~5 pc from the quasar. It also has a total column density and line widths (internal velocity dispersions) ~100 times smaller than BALs, with no substantial X-ray absorption. We argue that radiative shielding (in the form of an X-ray/warm absorber) is not critical for the outflow acceleration and that the moderate ionizations ","authors_text":"Daniel Capellupo, Fred Hamann, Leah Simon, Paola Rodriguez Hidalgo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-17T13:37:06Z","title":"Narrow UV Absorption Line Outflows from Quasars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.3791","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":"sha256:31345206e1d480f48fef0ec277ef14519cf40d1b3db3cb9845946cf1fa6bc45c","target":"record","created_at":"2026-05-18T03:57:39Z","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":"ffd439c31e1cf6362094395601c1e596ad66d75f2d250fd537a2afd012321e21","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-04-17T13:37:06Z","title_canon_sha256":"a8a6a08df278619a99a4b44f3b994f558616acf5279bcad9fc1aed7c2b282375"},"schema_version":"1.0","source":{"id":"1204.3791","kind":"arxiv","version":1}},"canonical_sha256":"d5de295fe6711234e45b4dee06cdcacdb712976fa2fcdaa973bd3e40b737f0fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d5de295fe6711234e45b4dee06cdcacdb712976fa2fcdaa973bd3e40b737f0fe","first_computed_at":"2026-05-18T03:57:39.562614Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:57:39.562614Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6xli/Z6B3qgoFpvwx2desHYhsK5Ruydn6ZC9RKKUYUWhcGnt/OlH9dLV+USwdtdbYo4QQDvR5mGQyYh0JVPFAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:57:39.563234Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.3791","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31345206e1d480f48fef0ec277ef14519cf40d1b3db3cb9845946cf1fa6bc45c","sha256:3e27e4cbae1c27bcd74e02a533d39cf5051a769ca6babc46f15094fcec7eb012"],"state_sha256":"95d23a318639d39069f329f5e1582e8bafca80f46999b6ef4f57b3e3e44564bf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wPLTtHuEf0XKGqVAi5AHjzumKM2c1rlY6u4afY/Qr/7KQTPmw59RNsTN939zHaWVlBWOB6Lpes99dP/VO3soCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T01:02:05.529610Z","bundle_sha256":"1bf45487897fb3e39c6a0a693406789377221b22f59efff168067cf6d0fc634a"}}