{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:LGNPLVA37MAPC2LW2YXUJ6GMAT","short_pith_number":"pith:LGNPLVA3","canonical_record":{"source":{"id":"2402.00109","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-31T19:00:01Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"86b67a5f15cfed27a8cdc4a22c3b83d4e388042d61a1987451bb392ba91112c5","abstract_canon_sha256":"042489468c353e631bb35e4b7825b0a88b96106084d948c85940b85cda258d38"},"schema_version":"1.0"},"canonical_sha256":"599af5d41bfb00f16976d62f44f8cc04e5b35ac9dd472998780a285b10dec8bc","source":{"kind":"arxiv","id":"2402.00109","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.00109","created_at":"2026-07-05T08:39:19Z"},{"alias_kind":"arxiv_version","alias_value":"2402.00109v1","created_at":"2026-07-05T08:39:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.00109","created_at":"2026-07-05T08:39:19Z"},{"alias_kind":"pith_short_12","alias_value":"LGNPLVA37MAP","created_at":"2026-07-05T08:39:19Z"},{"alias_kind":"pith_short_16","alias_value":"LGNPLVA37MAPC2LW","created_at":"2026-07-05T08:39:19Z"},{"alias_kind":"pith_short_8","alias_value":"LGNPLVA3","created_at":"2026-07-05T08:39:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:LGNPLVA37MAPC2LW2YXUJ6GMAT","target":"record","payload":{"canonical_record":{"source":{"id":"2402.00109","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-31T19:00:01Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"86b67a5f15cfed27a8cdc4a22c3b83d4e388042d61a1987451bb392ba91112c5","abstract_canon_sha256":"042489468c353e631bb35e4b7825b0a88b96106084d948c85940b85cda258d38"},"schema_version":"1.0"},"canonical_sha256":"599af5d41bfb00f16976d62f44f8cc04e5b35ac9dd472998780a285b10dec8bc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:39:19.252873Z","signature_b64":"cojh32BvDaUZ12XQneBQzVAqqduISZgCO5WAPnikMLUKllYVlqfFbsp2++zyG/WF9iHrjIFDshwAvVbosCY+BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"599af5d41bfb00f16976d62f44f8cc04e5b35ac9dd472998780a285b10dec8bc","last_reissued_at":"2026-07-05T08:39:19.252458Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:39:19.252458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2402.00109","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":"2026-07-05T08:39:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZVa0acey9+kau9kvGyX4v2fgq7MgpO6RXEUsIQ8PsQAYGi+eLXIzJXJw188OmtgmICF8vzibjyogaCSaxUH/AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T15:52:55.031268Z"},"content_sha256":"69be2fb4d25cf8391e3343120854363523c564ae35448c392a86ca3daafeac08","schema_version":"1.0","event_id":"sha256:69be2fb4d25cf8391e3343120854363523c564ae35448c392a86ca3daafeac08"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:LGNPLVA37MAPC2LW2YXUJ6GMAT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Heavily Obscured AGN detection: a Radio vs X-ray challenge","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Andrea Comastri, Colin Norman, Cristian Vignali, Fabio Vito, Giorgio Lanzuisi, Giovanni Mazzolari, Isabella Prandoni, Kazushi Iwasawa, Marcella Brusa, Marco Chiaberge, Marco Mignoli, Quirino D'Amato, Roberto Gilli, Stefano Marchesi","submitted_at":"2024-01-31T19:00:01Z","abstract_excerpt":"In this work, we study the AGN radio detection effectiveness in the major deep extragalactic surveys, considering different AGN obscuration levels, redshift, and AGN bolometric luminosities. We particularly focus on comparing their radio and X-ray detectability, making predictions for present and future radio surveys. We extrapolate the predictions of AGN population synthesis model of cosmic X-ray background (CXB) to the radio band, by deriving the 1.4 GHz luminosity functions of unobscured (i.e. with hydrogen column densities $\\log N_{H} <22$), obscured ($22<\\log N_{H}<24$) and Compton-thick "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.00109","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/2402.00109/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":"2026-07-05T08:39:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s5H/KXbxAlpIQpdBHWI+/hdWsbpCrMmQ8TWx7xAg/pMWwgYdcagFlsoUxbdKmSlDO8QI8kPmCOPUbfExvqKyBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T15:52:55.031773Z"},"content_sha256":"b3b3ec6661e8cae38acb8653284893728d746e8cd7658d85c334ddbf9541f9ac","schema_version":"1.0","event_id":"sha256:b3b3ec6661e8cae38acb8653284893728d746e8cd7658d85c334ddbf9541f9ac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LGNPLVA37MAPC2LW2YXUJ6GMAT/bundle.json","state_url":"https://pith.science/pith/LGNPLVA37MAPC2LW2YXUJ6GMAT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LGNPLVA37MAPC2LW2YXUJ6GMAT/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":"2026-08-01T15:52:55Z","links":{"resolver":"https://pith.science/pith/LGNPLVA37MAPC2LW2YXUJ6GMAT","bundle":"https://pith.science/pith/LGNPLVA37MAPC2LW2YXUJ6GMAT/bundle.json","state":"https://pith.science/pith/LGNPLVA37MAPC2LW2YXUJ6GMAT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LGNPLVA37MAPC2LW2YXUJ6GMAT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:LGNPLVA37MAPC2LW2YXUJ6GMAT","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":"042489468c353e631bb35e4b7825b0a88b96106084d948c85940b85cda258d38","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-31T19:00:01Z","title_canon_sha256":"86b67a5f15cfed27a8cdc4a22c3b83d4e388042d61a1987451bb392ba91112c5"},"schema_version":"1.0","source":{"id":"2402.00109","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2402.00109","created_at":"2026-07-05T08:39:19Z"},{"alias_kind":"arxiv_version","alias_value":"2402.00109v1","created_at":"2026-07-05T08:39:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2402.00109","created_at":"2026-07-05T08:39:19Z"},{"alias_kind":"pith_short_12","alias_value":"LGNPLVA37MAP","created_at":"2026-07-05T08:39:19Z"},{"alias_kind":"pith_short_16","alias_value":"LGNPLVA37MAPC2LW","created_at":"2026-07-05T08:39:19Z"},{"alias_kind":"pith_short_8","alias_value":"LGNPLVA3","created_at":"2026-07-05T08:39:19Z"}],"graph_snapshots":[{"event_id":"sha256:b3b3ec6661e8cae38acb8653284893728d746e8cd7658d85c334ddbf9541f9ac","target":"graph","created_at":"2026-07-05T08:39:19Z","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/2402.00109/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this work, we study the AGN radio detection effectiveness in the major deep extragalactic surveys, considering different AGN obscuration levels, redshift, and AGN bolometric luminosities. We particularly focus on comparing their radio and X-ray detectability, making predictions for present and future radio surveys. We extrapolate the predictions of AGN population synthesis model of cosmic X-ray background (CXB) to the radio band, by deriving the 1.4 GHz luminosity functions of unobscured (i.e. with hydrogen column densities $\\log N_{H} <22$), obscured ($22<\\log N_{H}<24$) and Compton-thick ","authors_text":"Andrea Comastri, Colin Norman, Cristian Vignali, Fabio Vito, Giorgio Lanzuisi, Giovanni Mazzolari, Isabella Prandoni, Kazushi Iwasawa, Marcella Brusa, Marco Chiaberge, Marco Mignoli, Quirino D'Amato, Roberto Gilli, Stefano Marchesi","cross_cats":["astro-ph.CO","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-31T19:00:01Z","title":"Heavily Obscured AGN detection: a Radio vs X-ray challenge"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2402.00109","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":"sha256:69be2fb4d25cf8391e3343120854363523c564ae35448c392a86ca3daafeac08","target":"record","created_at":"2026-07-05T08:39:19Z","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":"042489468c353e631bb35e4b7825b0a88b96106084d948c85940b85cda258d38","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-01-31T19:00:01Z","title_canon_sha256":"86b67a5f15cfed27a8cdc4a22c3b83d4e388042d61a1987451bb392ba91112c5"},"schema_version":"1.0","source":{"id":"2402.00109","kind":"arxiv","version":1}},"canonical_sha256":"599af5d41bfb00f16976d62f44f8cc04e5b35ac9dd472998780a285b10dec8bc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"599af5d41bfb00f16976d62f44f8cc04e5b35ac9dd472998780a285b10dec8bc","first_computed_at":"2026-07-05T08:39:19.252458Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:39:19.252458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cojh32BvDaUZ12XQneBQzVAqqduISZgCO5WAPnikMLUKllYVlqfFbsp2++zyG/WF9iHrjIFDshwAvVbosCY+BQ==","signature_status":"signed_v1","signed_at":"2026-07-05T08:39:19.252873Z","signed_message":"canonical_sha256_bytes"},"source_id":"2402.00109","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:69be2fb4d25cf8391e3343120854363523c564ae35448c392a86ca3daafeac08","sha256:b3b3ec6661e8cae38acb8653284893728d746e8cd7658d85c334ddbf9541f9ac"],"state_sha256":"4bd79062c19ce7127229f859456b8e8c93860df057c950ec1267276a912b7b5b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pWLsQy/F49PvOFrbTVYha7P1ZkimOE8P5c1mVrCn4NwrXvkJ4utT7bwIH2Ig22Wpd2B7PO7ZURj/Z7GU8Lq3Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T15:52:55.036689Z","bundle_sha256":"f32e1a1733dd7a8ed6922830a21d48e37d0235163786bdbbf7f45c7d9fc5bec1"}}