{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:M4KANQ4IY6YCF2DZ4LT2G4ZFPA","short_pith_number":"pith:M4KANQ4I","canonical_record":{"source":{"id":"2204.07588","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-04-15T18:00:03Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"9ec782f76525aaf0c51793fb10bb7edf1ab8dc8ecb0e799d19a03d1f0d14a9ca","abstract_canon_sha256":"47652727b6fef6c1071071194c44445e94715a0806751a8f156d788baa9e9da0"},"schema_version":"1.0"},"canonical_sha256":"671406c388c7b022e879e2e7a37325783b485fd6dfc3a9cd1336b999892d0cf1","source":{"kind":"arxiv","id":"2204.07588","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.07588","created_at":"2026-07-05T04:19:58Z"},{"alias_kind":"arxiv_version","alias_value":"2204.07588v2","created_at":"2026-07-05T04:19:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.07588","created_at":"2026-07-05T04:19:58Z"},{"alias_kind":"pith_short_12","alias_value":"M4KANQ4IY6YC","created_at":"2026-07-05T04:19:58Z"},{"alias_kind":"pith_short_16","alias_value":"M4KANQ4IY6YCF2DZ","created_at":"2026-07-05T04:19:58Z"},{"alias_kind":"pith_short_8","alias_value":"M4KANQ4I","created_at":"2026-07-05T04:19:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:M4KANQ4IY6YCF2DZ4LT2G4ZFPA","target":"record","payload":{"canonical_record":{"source":{"id":"2204.07588","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-04-15T18:00:03Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"9ec782f76525aaf0c51793fb10bb7edf1ab8dc8ecb0e799d19a03d1f0d14a9ca","abstract_canon_sha256":"47652727b6fef6c1071071194c44445e94715a0806751a8f156d788baa9e9da0"},"schema_version":"1.0"},"canonical_sha256":"671406c388c7b022e879e2e7a37325783b485fd6dfc3a9cd1336b999892d0cf1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:19:58.495037Z","signature_b64":"4SSQiuZfdNSVag2PkDd5A9ZaAmKfuEUxOh0Rk8VoCxCWmnAQBKXKxMQgRv0Ejb3BuVqviO7GGjdtCKJ//jftCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"671406c388c7b022e879e2e7a37325783b485fd6dfc3a9cd1336b999892d0cf1","last_reissued_at":"2026-07-05T04:19:58.494433Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:19:58.494433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2204.07588","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:19:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DYkWxhl6Ni7j4Si1s0/CT31XIj2f6gQxluh2QDS93VsJF/5bAL/Y8wjZz+2qVWl/Do5nlpImtwv6Ub9o5F9oDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T11:49:04.208457Z"},"content_sha256":"160c437a1f5fc7e71c3d93f48064d828997d785c600e796b9e577b03c7f2d243","schema_version":"1.0","event_id":"sha256:160c437a1f5fc7e71c3d93f48064d828997d785c600e796b9e577b03c7f2d243"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:M4KANQ4IY6YCF2DZ4LT2G4ZFPA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmic evolution of low-excitation radio galaxies in the LOFAR Two-meter Sky Survey Deep Fields","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"B. Mingo, C. L. Hale, D. J. B. Smith, F. Gao, G. Calistro Rivera, G. K. Miley, H. J. A. R\\\"ottgering, I. Prandoni, J. Sabater, K. J. Duncan, K. Ma{\\l}ek, L. Wang, M. Bonato, M. J. Hardcastle, P. Haskell, P. N. Best, R. K. Cochrane, R. Kondapally, W. L. Williams","submitted_at":"2022-04-15T18:00:03Z","abstract_excerpt":"Feedback from low-excitation radio galaxies (LERGs) plays a key role in the lifecycle of massive galaxies in the local Universe; their evolution, and the impact of these active galactic nuclei on early galaxy evolution, however, remain poorly understood. We use a sample of 10481 LERGs from the first data release of the LOFAR Two-meter Sky Survey Deep Fields, covering $\\sim$ 25 deg$^2$, to present the first measurement of the evolution of the radio luminosity function (LF) of LERGs out to $z\\sim2.5$; this shows relatively mild evolution. We split the LERGs into those hosted by quiescent and sta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.07588","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2204.07588/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:19:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oA1Hr9WRp/BLhbBQ2Zt31SGaxyj+GfxqM6ifMc+Q+cqQMfIl2zP24F++R56+Tx1Zg1NOAWr/vUi1f+oahTTiAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T11:49:04.209004Z"},"content_sha256":"ef31bedf743bcfaae755b610a8416477dd56630dbbbdea56738c21d5e88097dc","schema_version":"1.0","event_id":"sha256:ef31bedf743bcfaae755b610a8416477dd56630dbbbdea56738c21d5e88097dc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M4KANQ4IY6YCF2DZ4LT2G4ZFPA/bundle.json","state_url":"https://pith.science/pith/M4KANQ4IY6YCF2DZ4LT2G4ZFPA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M4KANQ4IY6YCF2DZ4LT2G4ZFPA/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":"2026-08-05T11:49:04Z","links":{"resolver":"https://pith.science/pith/M4KANQ4IY6YCF2DZ4LT2G4ZFPA","bundle":"https://pith.science/pith/M4KANQ4IY6YCF2DZ4LT2G4ZFPA/bundle.json","state":"https://pith.science/pith/M4KANQ4IY6YCF2DZ4LT2G4ZFPA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M4KANQ4IY6YCF2DZ4LT2G4ZFPA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:M4KANQ4IY6YCF2DZ4LT2G4ZFPA","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":"47652727b6fef6c1071071194c44445e94715a0806751a8f156d788baa9e9da0","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-04-15T18:00:03Z","title_canon_sha256":"9ec782f76525aaf0c51793fb10bb7edf1ab8dc8ecb0e799d19a03d1f0d14a9ca"},"schema_version":"1.0","source":{"id":"2204.07588","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.07588","created_at":"2026-07-05T04:19:58Z"},{"alias_kind":"arxiv_version","alias_value":"2204.07588v2","created_at":"2026-07-05T04:19:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.07588","created_at":"2026-07-05T04:19:58Z"},{"alias_kind":"pith_short_12","alias_value":"M4KANQ4IY6YC","created_at":"2026-07-05T04:19:58Z"},{"alias_kind":"pith_short_16","alias_value":"M4KANQ4IY6YCF2DZ","created_at":"2026-07-05T04:19:58Z"},{"alias_kind":"pith_short_8","alias_value":"M4KANQ4I","created_at":"2026-07-05T04:19:58Z"}],"graph_snapshots":[{"event_id":"sha256:ef31bedf743bcfaae755b610a8416477dd56630dbbbdea56738c21d5e88097dc","target":"graph","created_at":"2026-07-05T04:19:58Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2204.07588/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Feedback from low-excitation radio galaxies (LERGs) plays a key role in the lifecycle of massive galaxies in the local Universe; their evolution, and the impact of these active galactic nuclei on early galaxy evolution, however, remain poorly understood. We use a sample of 10481 LERGs from the first data release of the LOFAR Two-meter Sky Survey Deep Fields, covering $\\sim$ 25 deg$^2$, to present the first measurement of the evolution of the radio luminosity function (LF) of LERGs out to $z\\sim2.5$; this shows relatively mild evolution. We split the LERGs into those hosted by quiescent and sta","authors_text":"B. Mingo, C. L. Hale, D. J. B. Smith, F. Gao, G. Calistro Rivera, G. K. Miley, H. J. A. R\\\"ottgering, I. Prandoni, J. Sabater, K. J. Duncan, K. Ma{\\l}ek, L. Wang, M. Bonato, M. J. Hardcastle, P. Haskell, P. N. Best, R. K. Cochrane, R. Kondapally, W. L. Williams","cross_cats":["astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-04-15T18:00:03Z","title":"Cosmic evolution of low-excitation radio galaxies in the LOFAR Two-meter Sky Survey Deep Fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.07588","kind":"arxiv","version":2},"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":"sha256:160c437a1f5fc7e71c3d93f48064d828997d785c600e796b9e577b03c7f2d243","target":"record","created_at":"2026-07-05T04:19:58Z","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":"47652727b6fef6c1071071194c44445e94715a0806751a8f156d788baa9e9da0","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-04-15T18:00:03Z","title_canon_sha256":"9ec782f76525aaf0c51793fb10bb7edf1ab8dc8ecb0e799d19a03d1f0d14a9ca"},"schema_version":"1.0","source":{"id":"2204.07588","kind":"arxiv","version":2}},"canonical_sha256":"671406c388c7b022e879e2e7a37325783b485fd6dfc3a9cd1336b999892d0cf1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"671406c388c7b022e879e2e7a37325783b485fd6dfc3a9cd1336b999892d0cf1","first_computed_at":"2026-07-05T04:19:58.494433Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:19:58.494433Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4SSQiuZfdNSVag2PkDd5A9ZaAmKfuEUxOh0Rk8VoCxCWmnAQBKXKxMQgRv0Ejb3BuVqviO7GGjdtCKJ//jftCA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:19:58.495037Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.07588","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:160c437a1f5fc7e71c3d93f48064d828997d785c600e796b9e577b03c7f2d243","sha256:ef31bedf743bcfaae755b610a8416477dd56630dbbbdea56738c21d5e88097dc"],"state_sha256":"f0c89feb442cfabb3733878415f3e0a12d2b7689fa9e8c8f2f145942768a2021"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NdJJ5eHJ9znrsu5XdxkbXlbKvKVyRz83Bln58UKWr/avXGL00p9/xn5NxXEZ3BQH5VXyWq5TDSbmPnQqyPziBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T11:49:04.212829Z","bundle_sha256":"912cdf989e177f151029b65e4d338a00eeff81330d54d2033c38d9bfdb6eb5ab"}}