{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:EPUNXMNRAOV3FWXA4Y24UNVF64","short_pith_number":"pith:EPUNXMNR","canonical_record":{"source":{"id":"1405.1588","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-07T12:36:46Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"6b434905786ba7ace1c00f0ca11a4dbe8e3d78f8ea03e4d6892056f55dccd254","abstract_canon_sha256":"fc01f373cb9e15463ba0507eab6211a64911071307e01f920ff6fe12bdc140b3"},"schema_version":"1.0"},"canonical_sha256":"23e8dbb1b103abb2dae0e635ca36a5f70d6b96e191defb8150585f775b73188a","source":{"kind":"arxiv","id":"1405.1588","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.1588","created_at":"2026-05-18T02:48:35Z"},{"alias_kind":"arxiv_version","alias_value":"1405.1588v1","created_at":"2026-05-18T02:48:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.1588","created_at":"2026-05-18T02:48:35Z"},{"alias_kind":"pith_short_12","alias_value":"EPUNXMNRAOV3","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"EPUNXMNRAOV3FWXA","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"EPUNXMNR","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:EPUNXMNRAOV3FWXA4Y24UNVF64","target":"record","payload":{"canonical_record":{"source":{"id":"1405.1588","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-07T12:36:46Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"6b434905786ba7ace1c00f0ca11a4dbe8e3d78f8ea03e4d6892056f55dccd254","abstract_canon_sha256":"fc01f373cb9e15463ba0507eab6211a64911071307e01f920ff6fe12bdc140b3"},"schema_version":"1.0"},"canonical_sha256":"23e8dbb1b103abb2dae0e635ca36a5f70d6b96e191defb8150585f775b73188a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:48:35.959561Z","signature_b64":"L7ucM+7U5frtBJ9b61V9NNQVvG8M3JOIzpnFRt8NZGyIPxbhPuGFJSZkAvrMM+yVoN4dzOAzY97wG+ncV37iBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23e8dbb1b103abb2dae0e635ca36a5f70d6b96e191defb8150585f775b73188a","last_reissued_at":"2026-05-18T02:48:35.959014Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:48:35.959014Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.1588","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":"2026-05-18T02:48:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sNFhN/J4rx9mxFw9hVKzVxu7i4aNOb5FF1J1dFSGlE7i4KYIX0PbDZbFaiFqCzA0kQQhnw23zYvzs/gx3Q7oBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:15:02.382844Z"},"content_sha256":"bf90a35547284ba4a5959348d11344cced12b501dca14fcfbd7458a02f3981b7","schema_version":"1.0","event_id":"sha256:bf90a35547284ba4a5959348d11344cced12b501dca14fcfbd7458a02f3981b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:EPUNXMNRAOV3FWXA4Y24UNVF64","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Broad-line region structure and kinematics in the radio galaxy 3C 120","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"K. Ulbrich, M. Haas, M. Zetzl, S. Kaspi, W. Kollatschny","submitted_at":"2014-05-07T12:36:46Z","abstract_excerpt":"Broad emission lines originate in the surroundings of supermassive black holes in the centers of active galactic nuclei (AGN). One method to investigate the extent, structure, and kinematics of the BLR is to study the continuum and line profile variability in AGN. We selected the radio-loud Seyfert 1 galaxy 3C 120 as a target for this study. We took spectra with a high signal-to-noise ratio of 3C 120 with the 9.2m Hobby-Eberly Telescope between Sept. 2008 and March 2009. In parallel, we photometrically monitored the continuum flux at the Wise observatory. We analyzed the continuum and line pro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.1588","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":"2026-05-18T02:48:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+P2WV/Sr/oCCCmRXSTbTfyZJ4o2QOZBcx8LDDII21Wr1h4Uk1vGpGj4I+N7bHMmPAX9u7ngfYqJLsSYxTW1FCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:15:02.383181Z"},"content_sha256":"b144b52f60c0dd133e92133d915fd7dd3fb759d55d7d04cbcb8844ffacd35655","schema_version":"1.0","event_id":"sha256:b144b52f60c0dd133e92133d915fd7dd3fb759d55d7d04cbcb8844ffacd35655"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EPUNXMNRAOV3FWXA4Y24UNVF64/bundle.json","state_url":"https://pith.science/pith/EPUNXMNRAOV3FWXA4Y24UNVF64/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EPUNXMNRAOV3FWXA4Y24UNVF64/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":"2026-05-28T01:15:02Z","links":{"resolver":"https://pith.science/pith/EPUNXMNRAOV3FWXA4Y24UNVF64","bundle":"https://pith.science/pith/EPUNXMNRAOV3FWXA4Y24UNVF64/bundle.json","state":"https://pith.science/pith/EPUNXMNRAOV3FWXA4Y24UNVF64/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EPUNXMNRAOV3FWXA4Y24UNVF64/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:EPUNXMNRAOV3FWXA4Y24UNVF64","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":"fc01f373cb9e15463ba0507eab6211a64911071307e01f920ff6fe12bdc140b3","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-07T12:36:46Z","title_canon_sha256":"6b434905786ba7ace1c00f0ca11a4dbe8e3d78f8ea03e4d6892056f55dccd254"},"schema_version":"1.0","source":{"id":"1405.1588","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.1588","created_at":"2026-05-18T02:48:35Z"},{"alias_kind":"arxiv_version","alias_value":"1405.1588v1","created_at":"2026-05-18T02:48:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.1588","created_at":"2026-05-18T02:48:35Z"},{"alias_kind":"pith_short_12","alias_value":"EPUNXMNRAOV3","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"EPUNXMNRAOV3FWXA","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"EPUNXMNR","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:b144b52f60c0dd133e92133d915fd7dd3fb759d55d7d04cbcb8844ffacd35655","target":"graph","created_at":"2026-05-18T02:48:35Z","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":"Broad emission lines originate in the surroundings of supermassive black holes in the centers of active galactic nuclei (AGN). One method to investigate the extent, structure, and kinematics of the BLR is to study the continuum and line profile variability in AGN. We selected the radio-loud Seyfert 1 galaxy 3C 120 as a target for this study. We took spectra with a high signal-to-noise ratio of 3C 120 with the 9.2m Hobby-Eberly Telescope between Sept. 2008 and March 2009. In parallel, we photometrically monitored the continuum flux at the Wise observatory. We analyzed the continuum and line pro","authors_text":"K. Ulbrich, M. Haas, M. Zetzl, S. Kaspi, W. Kollatschny","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-07T12:36:46Z","title":"Broad-line region structure and kinematics in the radio galaxy 3C 120"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.1588","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:bf90a35547284ba4a5959348d11344cced12b501dca14fcfbd7458a02f3981b7","target":"record","created_at":"2026-05-18T02:48:35Z","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":"fc01f373cb9e15463ba0507eab6211a64911071307e01f920ff6fe12bdc140b3","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-07T12:36:46Z","title_canon_sha256":"6b434905786ba7ace1c00f0ca11a4dbe8e3d78f8ea03e4d6892056f55dccd254"},"schema_version":"1.0","source":{"id":"1405.1588","kind":"arxiv","version":1}},"canonical_sha256":"23e8dbb1b103abb2dae0e635ca36a5f70d6b96e191defb8150585f775b73188a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"23e8dbb1b103abb2dae0e635ca36a5f70d6b96e191defb8150585f775b73188a","first_computed_at":"2026-05-18T02:48:35.959014Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:48:35.959014Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L7ucM+7U5frtBJ9b61V9NNQVvG8M3JOIzpnFRt8NZGyIPxbhPuGFJSZkAvrMM+yVoN4dzOAzY97wG+ncV37iBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:48:35.959561Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.1588","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf90a35547284ba4a5959348d11344cced12b501dca14fcfbd7458a02f3981b7","sha256:b144b52f60c0dd133e92133d915fd7dd3fb759d55d7d04cbcb8844ffacd35655"],"state_sha256":"7fed882665e928063ab9b1f12506c04967ec92c79c40c06721860585ffea078c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lapUdH8WEkyESz/jQSvRiBo0P0IvnJ5ILCQFERngLjRy6aQOvlt1S+64VRvqNOOSND+qKbmnXMVzrpUBDUwyCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T01:15:02.385111Z","bundle_sha256":"3aadb57a9b72b62c5ec84ed427a47bff7a44ad515968fcb8640e21466e341374"}}