{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:E4LVRBLMG5MWVHH65ET6T4I7OY","short_pith_number":"pith:E4LVRBLM","canonical_record":{"source":{"id":"1107.1037","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-06T06:53:53Z","cross_cats_sorted":[],"title_canon_sha256":"b0cf904510aa32cbd9be53f00688f877717636f5eca60577f84a923821c37074","abstract_canon_sha256":"d1b91e55eef6e5d5df3ab2463c45508477127a93b79ee5cfeaa36302a2f1afd0"},"schema_version":"1.0"},"canonical_sha256":"271758856c37596a9cfee927e9f11f762c0f8d8a7493aec47099df8f987b6135","source":{"kind":"arxiv","id":"1107.1037","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.1037","created_at":"2026-05-18T02:01:22Z"},{"alias_kind":"arxiv_version","alias_value":"1107.1037v1","created_at":"2026-05-18T02:01:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.1037","created_at":"2026-05-18T02:01:22Z"},{"alias_kind":"pith_short_12","alias_value":"E4LVRBLMG5MW","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"E4LVRBLMG5MWVHH6","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"E4LVRBLM","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:E4LVRBLMG5MWVHH65ET6T4I7OY","target":"record","payload":{"canonical_record":{"source":{"id":"1107.1037","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-06T06:53:53Z","cross_cats_sorted":[],"title_canon_sha256":"b0cf904510aa32cbd9be53f00688f877717636f5eca60577f84a923821c37074","abstract_canon_sha256":"d1b91e55eef6e5d5df3ab2463c45508477127a93b79ee5cfeaa36302a2f1afd0"},"schema_version":"1.0"},"canonical_sha256":"271758856c37596a9cfee927e9f11f762c0f8d8a7493aec47099df8f987b6135","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:22.672981Z","signature_b64":"uTBLX/YI51P7rXjqqZdV6wvwejp26yoMO1x1KVG1o9nEwiufv4fT9KGrSoDzU1Pas6If8TFzrQcaZZ0YuDmIDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"271758856c37596a9cfee927e9f11f762c0f8d8a7493aec47099df8f987b6135","last_reissued_at":"2026-05-18T02:01:22.672345Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:22.672345Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1107.1037","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":"2026-05-18T02:01:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x/nGIyKxVndJ2/jN1YdK/mgCsYpNEOeI9eSJP5EFEK8pQhIPqb3vAKx6FrFInqNUMtwvjkl3wQmMRl2+7ftDCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:08:14.578789Z"},"content_sha256":"e01b15468e1af38a680a793acbd2dd6c4a3c8d7a903007c9ba190948aac37d15","schema_version":"1.0","event_id":"sha256:e01b15468e1af38a680a793acbd2dd6c4a3c8d7a903007c9ba190948aac37d15"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:E4LVRBLMG5MWVHH65ET6T4I7OY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Na D profiles of nearby low-power radio sources: Jets powering outflows","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"C. Tasse, M. D. Lehnert, N. P. H. Nesvadba, P. N. Best, W. van Driel","submitted_at":"2011-07-06T06:53:53Z","abstract_excerpt":"(abridged) We have analyzed the properties of the Na D doublet lines in a large sample of 691 radio galaxies using the Sloan Digital Sky Survey (SDSS). These radio galaxies are resolved in the FIRST survey, have redshifts less that 0.2 and radio flux densities at 1.4 GHz higher than 40 mJy. Approximately 1/3 of the sources show a significant excess (above that contributed by their stellar populations) of Na D absorption that can be robustly fitted with two Voigt profiles representing the Na D doublet. A further 1/6 of the sources show residual absorption, for which the fits were not well const"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.1037","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":"2026-05-18T02:01:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8dICI1RcDES9o5OcZiXWRyeZobw8MLi1DHMKaAP3RMiIu30siu2o+lczxP/KUAJHoP1TwagLsXj30Wa2ue5HCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:08:14.579529Z"},"content_sha256":"7a5fe0281bd58d8f299f104add9e2e6d51552ed5239f53fefc2b319460b1d9b9","schema_version":"1.0","event_id":"sha256:7a5fe0281bd58d8f299f104add9e2e6d51552ed5239f53fefc2b319460b1d9b9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E4LVRBLMG5MWVHH65ET6T4I7OY/bundle.json","state_url":"https://pith.science/pith/E4LVRBLMG5MWVHH65ET6T4I7OY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E4LVRBLMG5MWVHH65ET6T4I7OY/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":"2026-05-30T12:08:14Z","links":{"resolver":"https://pith.science/pith/E4LVRBLMG5MWVHH65ET6T4I7OY","bundle":"https://pith.science/pith/E4LVRBLMG5MWVHH65ET6T4I7OY/bundle.json","state":"https://pith.science/pith/E4LVRBLMG5MWVHH65ET6T4I7OY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E4LVRBLMG5MWVHH65ET6T4I7OY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:E4LVRBLMG5MWVHH65ET6T4I7OY","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":"d1b91e55eef6e5d5df3ab2463c45508477127a93b79ee5cfeaa36302a2f1afd0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-06T06:53:53Z","title_canon_sha256":"b0cf904510aa32cbd9be53f00688f877717636f5eca60577f84a923821c37074"},"schema_version":"1.0","source":{"id":"1107.1037","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.1037","created_at":"2026-05-18T02:01:22Z"},{"alias_kind":"arxiv_version","alias_value":"1107.1037v1","created_at":"2026-05-18T02:01:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.1037","created_at":"2026-05-18T02:01:22Z"},{"alias_kind":"pith_short_12","alias_value":"E4LVRBLMG5MW","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"E4LVRBLMG5MWVHH6","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"E4LVRBLM","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:7a5fe0281bd58d8f299f104add9e2e6d51552ed5239f53fefc2b319460b1d9b9","target":"graph","created_at":"2026-05-18T02:01:22Z","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":"(abridged) We have analyzed the properties of the Na D doublet lines in a large sample of 691 radio galaxies using the Sloan Digital Sky Survey (SDSS). These radio galaxies are resolved in the FIRST survey, have redshifts less that 0.2 and radio flux densities at 1.4 GHz higher than 40 mJy. Approximately 1/3 of the sources show a significant excess (above that contributed by their stellar populations) of Na D absorption that can be robustly fitted with two Voigt profiles representing the Na D doublet. A further 1/6 of the sources show residual absorption, for which the fits were not well const","authors_text":"C. Tasse, M. D. Lehnert, N. P. H. Nesvadba, P. N. Best, W. van Driel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-06T06:53:53Z","title":"The Na D profiles of nearby low-power radio sources: Jets powering outflows"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.1037","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:e01b15468e1af38a680a793acbd2dd6c4a3c8d7a903007c9ba190948aac37d15","target":"record","created_at":"2026-05-18T02:01:22Z","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":"d1b91e55eef6e5d5df3ab2463c45508477127a93b79ee5cfeaa36302a2f1afd0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-07-06T06:53:53Z","title_canon_sha256":"b0cf904510aa32cbd9be53f00688f877717636f5eca60577f84a923821c37074"},"schema_version":"1.0","source":{"id":"1107.1037","kind":"arxiv","version":1}},"canonical_sha256":"271758856c37596a9cfee927e9f11f762c0f8d8a7493aec47099df8f987b6135","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"271758856c37596a9cfee927e9f11f762c0f8d8a7493aec47099df8f987b6135","first_computed_at":"2026-05-18T02:01:22.672345Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:22.672345Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uTBLX/YI51P7rXjqqZdV6wvwejp26yoMO1x1KVG1o9nEwiufv4fT9KGrSoDzU1Pas6If8TFzrQcaZZ0YuDmIDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:22.672981Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.1037","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e01b15468e1af38a680a793acbd2dd6c4a3c8d7a903007c9ba190948aac37d15","sha256:7a5fe0281bd58d8f299f104add9e2e6d51552ed5239f53fefc2b319460b1d9b9"],"state_sha256":"7b6dcfa2f119f88b223bd54fec76a9fa9d9213b7ae1b8e2a9c725c957047f3c6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6kBG7rtm+oY4cFJVf/wejDlPdDZlixP9y5ObbLmcOcUKt2AXcU9xVk43DUK4jt3EAsLwAo303WBzNHQBp5KiAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T12:08:14.583405Z","bundle_sha256":"4e33c13be9609c19a9d5bfef37997f2b9acd6f174d1998649f5ad2e06cd61470"}}