{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:LGPMZV5H7NG3MOTPOHJTJOLWIB","short_pith_number":"pith:LGPMZV5H","canonical_record":{"source":{"id":"2606.25043","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-23T18:01:17Z","cross_cats_sorted":[],"title_canon_sha256":"45fd4bfb7492da736db76330e4c9994173f571bf31a42027466058609dd12872","abstract_canon_sha256":"a6bdb9121da6c7b9dce1a11cedf3fb80eb78906dd96b7e5921de4ecf4b1e5e61"},"schema_version":"1.0"},"canonical_sha256":"599eccd7a7fb4db63a6f71d334b976404a52d657c4419f8159634d2a17961275","source":{"kind":"arxiv","id":"2606.25043","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.25043","created_at":"2026-06-25T00:18:15Z"},{"alias_kind":"arxiv_version","alias_value":"2606.25043v1","created_at":"2026-06-25T00:18:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25043","created_at":"2026-06-25T00:18:15Z"},{"alias_kind":"pith_short_12","alias_value":"LGPMZV5H7NG3","created_at":"2026-06-25T00:18:15Z"},{"alias_kind":"pith_short_16","alias_value":"LGPMZV5H7NG3MOTP","created_at":"2026-06-25T00:18:15Z"},{"alias_kind":"pith_short_8","alias_value":"LGPMZV5H","created_at":"2026-06-25T00:18:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:LGPMZV5H7NG3MOTPOHJTJOLWIB","target":"record","payload":{"canonical_record":{"source":{"id":"2606.25043","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-23T18:01:17Z","cross_cats_sorted":[],"title_canon_sha256":"45fd4bfb7492da736db76330e4c9994173f571bf31a42027466058609dd12872","abstract_canon_sha256":"a6bdb9121da6c7b9dce1a11cedf3fb80eb78906dd96b7e5921de4ecf4b1e5e61"},"schema_version":"1.0"},"canonical_sha256":"599eccd7a7fb4db63a6f71d334b976404a52d657c4419f8159634d2a17961275","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-25T00:18:15.906470Z","signature_b64":"0ZfdXI7hA50ES3bgSOtCKQreqVzTJOOoeC1hOF0M7w1NPgWlAQZPXF/lynMWw55knd6ejWSFeyNpGMg3Ip62CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"599eccd7a7fb4db63a6f71d334b976404a52d657c4419f8159634d2a17961275","last_reissued_at":"2026-06-25T00:18:15.905971Z","signature_status":"signed_v1","first_computed_at":"2026-06-25T00:18:15.905971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.25043","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":"2026-06-25T00:18:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j5so/31988FSMThdwjBvDMpkBte6jxTGM8ITe98zJq72qL+JY1JAoWvpKUQKwXhwgEBHpRuD9+pSHnlCLmLXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T18:46:53.082740Z"},"content_sha256":"89b7a4d821f53df697cea22d7f143a7badb89acb1907f7a0f42d9bd5507d140a","schema_version":"1.0","event_id":"sha256:89b7a4d821f53df697cea22d7f143a7badb89acb1907f7a0f42d9bd5507d140a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:LGPMZV5H7NG3MOTPOHJTJOLWIB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution of AGN Across Cosmic Epochs with the SKAO","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Datta, A. Kayal, B. Mingo, F. Shankar, G. Mazzolari, I. Delvecchio, I. Prandoni, J. Moldon, J. Petley, K. Rubinur, R. Kondapally, S. Shabala, V. Singh","submitted_at":"2026-06-23T18:01:17Z","abstract_excerpt":"Understanding the evolution of active galactic nuclei (AGN) and their host galaxies across cosmic epochs is one of the key science drivers of extragalactic astronomy. The detection of AGN residing in dusty environments and at high redshifts is difficult due to obscuration and faintness which poses a challenge in understanding AGN evolution across cosmic time. Deep radio continuum surveys (rms noise $<$ 1 $\\mu$Jy~beam$^{-1}$) from the Square Kilometre Array Observatory (SKAO) will be an efficient means to detect and study a broad population of AGN across cosmic history. In this chapter, we pres"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25043","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.25043/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":"2026-06-25T00:18:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gtwShSP1IUguOi8yqVbc2B5Y5LJBDkiN3Y/ZRbZ3hUYkS1xp4w6WXvbXONvAcB735M7Ann5j5XyM/eO120dwCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T18:46:53.083097Z"},"content_sha256":"7d30c9e1924c5a9767d1abad1eaaf07f7144f4b3bcb80520dad79b1dd32440e6","schema_version":"1.0","event_id":"sha256:7d30c9e1924c5a9767d1abad1eaaf07f7144f4b3bcb80520dad79b1dd32440e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LGPMZV5H7NG3MOTPOHJTJOLWIB/bundle.json","state_url":"https://pith.science/pith/LGPMZV5H7NG3MOTPOHJTJOLWIB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LGPMZV5H7NG3MOTPOHJTJOLWIB/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":"2026-06-26T18:46:53Z","links":{"resolver":"https://pith.science/pith/LGPMZV5H7NG3MOTPOHJTJOLWIB","bundle":"https://pith.science/pith/LGPMZV5H7NG3MOTPOHJTJOLWIB/bundle.json","state":"https://pith.science/pith/LGPMZV5H7NG3MOTPOHJTJOLWIB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LGPMZV5H7NG3MOTPOHJTJOLWIB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:LGPMZV5H7NG3MOTPOHJTJOLWIB","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":"a6bdb9121da6c7b9dce1a11cedf3fb80eb78906dd96b7e5921de4ecf4b1e5e61","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-23T18:01:17Z","title_canon_sha256":"45fd4bfb7492da736db76330e4c9994173f571bf31a42027466058609dd12872"},"schema_version":"1.0","source":{"id":"2606.25043","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.25043","created_at":"2026-06-25T00:18:15Z"},{"alias_kind":"arxiv_version","alias_value":"2606.25043v1","created_at":"2026-06-25T00:18:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.25043","created_at":"2026-06-25T00:18:15Z"},{"alias_kind":"pith_short_12","alias_value":"LGPMZV5H7NG3","created_at":"2026-06-25T00:18:15Z"},{"alias_kind":"pith_short_16","alias_value":"LGPMZV5H7NG3MOTP","created_at":"2026-06-25T00:18:15Z"},{"alias_kind":"pith_short_8","alias_value":"LGPMZV5H","created_at":"2026-06-25T00:18:15Z"}],"graph_snapshots":[{"event_id":"sha256:7d30c9e1924c5a9767d1abad1eaaf07f7144f4b3bcb80520dad79b1dd32440e6","target":"graph","created_at":"2026-06-25T00:18:15Z","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/2606.25043/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Understanding the evolution of active galactic nuclei (AGN) and their host galaxies across cosmic epochs is one of the key science drivers of extragalactic astronomy. The detection of AGN residing in dusty environments and at high redshifts is difficult due to obscuration and faintness which poses a challenge in understanding AGN evolution across cosmic time. Deep radio continuum surveys (rms noise $<$ 1 $\\mu$Jy~beam$^{-1}$) from the Square Kilometre Array Observatory (SKAO) will be an efficient means to detect and study a broad population of AGN across cosmic history. In this chapter, we pres","authors_text":"A. Datta, A. Kayal, B. Mingo, F. Shankar, G. Mazzolari, I. Delvecchio, I. Prandoni, J. Moldon, J. Petley, K. Rubinur, R. Kondapally, S. Shabala, V. Singh","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-23T18:01:17Z","title":"Evolution of AGN Across Cosmic Epochs with the SKAO"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.25043","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":"sha256:89b7a4d821f53df697cea22d7f143a7badb89acb1907f7a0f42d9bd5507d140a","target":"record","created_at":"2026-06-25T00:18:15Z","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":"a6bdb9121da6c7b9dce1a11cedf3fb80eb78906dd96b7e5921de4ecf4b1e5e61","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-23T18:01:17Z","title_canon_sha256":"45fd4bfb7492da736db76330e4c9994173f571bf31a42027466058609dd12872"},"schema_version":"1.0","source":{"id":"2606.25043","kind":"arxiv","version":1}},"canonical_sha256":"599eccd7a7fb4db63a6f71d334b976404a52d657c4419f8159634d2a17961275","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"599eccd7a7fb4db63a6f71d334b976404a52d657c4419f8159634d2a17961275","first_computed_at":"2026-06-25T00:18:15.905971Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-25T00:18:15.905971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0ZfdXI7hA50ES3bgSOtCKQreqVzTJOOoeC1hOF0M7w1NPgWlAQZPXF/lynMWw55knd6ejWSFeyNpGMg3Ip62CQ==","signature_status":"signed_v1","signed_at":"2026-06-25T00:18:15.906470Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.25043","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:89b7a4d821f53df697cea22d7f143a7badb89acb1907f7a0f42d9bd5507d140a","sha256:7d30c9e1924c5a9767d1abad1eaaf07f7144f4b3bcb80520dad79b1dd32440e6"],"state_sha256":"f969af6cc0de9f35378ad2946bbbe11c96b72aa4ea04e32bb877a8479327773b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0kY9j9efpbyu8RwGGnbrwUCHa4FinnIBRNxMCFVxH5CG41FQQzKL1l2U7+5NBoZgggC12/ctkqZ6aL16/mE5BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T18:46:53.085025Z","bundle_sha256":"bcd4e3fb20153e9b96a76d8a79c97b85a15e1b84b64a038a2b5f38d37bec8b47"}}