{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:XOWFVG3B6IRG5LKNRLP5DT7LKG","short_pith_number":"pith:XOWFVG3B","canonical_record":{"source":{"id":"2206.08399","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-06-16T18:15:42Z","cross_cats_sorted":[],"title_canon_sha256":"602dd48919cfcabf459cd6b99002e57a1d65067c0480b7e9d5976b27860818ee","abstract_canon_sha256":"82c4ad214549a672a383d6178038e2801f8bd4f6ab34dff963eae23d51beb85b"},"schema_version":"1.0"},"canonical_sha256":"bbac5a9b61f2226ead4d8adfd1cfeb5182b2100968479111da2f078422348236","source":{"kind":"arxiv","id":"2206.08399","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.08399","created_at":"2026-07-05T04:36:01Z"},{"alias_kind":"arxiv_version","alias_value":"2206.08399v2","created_at":"2026-07-05T04:36:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.08399","created_at":"2026-07-05T04:36:01Z"},{"alias_kind":"pith_short_12","alias_value":"XOWFVG3B6IRG","created_at":"2026-07-05T04:36:01Z"},{"alias_kind":"pith_short_16","alias_value":"XOWFVG3B6IRG5LKN","created_at":"2026-07-05T04:36:01Z"},{"alias_kind":"pith_short_8","alias_value":"XOWFVG3B","created_at":"2026-07-05T04:36:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:XOWFVG3B6IRG5LKNRLP5DT7LKG","target":"record","payload":{"canonical_record":{"source":{"id":"2206.08399","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-06-16T18:15:42Z","cross_cats_sorted":[],"title_canon_sha256":"602dd48919cfcabf459cd6b99002e57a1d65067c0480b7e9d5976b27860818ee","abstract_canon_sha256":"82c4ad214549a672a383d6178038e2801f8bd4f6ab34dff963eae23d51beb85b"},"schema_version":"1.0"},"canonical_sha256":"bbac5a9b61f2226ead4d8adfd1cfeb5182b2100968479111da2f078422348236","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:36:01.368045Z","signature_b64":"8fgO5ZxrYWWCk6KM8hE4cGgsBelbpWNbf+yTIZPqu/uvE9xD1gGjNs1696cLtKp2XikcYu6T3ys/fQDDxZG9Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bbac5a9b61f2226ead4d8adfd1cfeb5182b2100968479111da2f078422348236","last_reissued_at":"2026-07-05T04:36:01.367621Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:36:01.367621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2206.08399","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":"2026-07-05T04:36:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UP6owd6H2P/BXlJ77OfW3aHSyZkz0QPVH8AtoE+fm78QUkk0/qXcs9qwlV8Uw7D/spverOnVwMvJXbD+pbJWCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:31:04.102013Z"},"content_sha256":"4e70a52983e1cba01220a1cc962fa84c18dac96b976f1d27080a44eaac397013","schema_version":"1.0","event_id":"sha256:4e70a52983e1cba01220a1cc962fa84c18dac96b976f1d27080a44eaac397013"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:XOWFVG3B6IRG5LKNRLP5DT7LKG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cold Gas Reservoirs of Low- and High-mass Central Galaxies Differ in Response to Active Galactic Nucleus Feedback","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Hong Guo, Jing Wang, Michael G. Jones","submitted_at":"2022-06-16T18:15:42Z","abstract_excerpt":"The growth of supermassive black holes, especially the associated state of active galactic nuclei (AGNs), is generally believed to be the key step in regulating star formation in massive galaxies. As the fuel of star formation, the cold gas reservoir is a direct probe of the effect of AGN feedback on their host galaxies. However, in observation, no clear connection has been found between AGN activity and the cold gas mass. In this paper, we find observational signals of significant depletion of the total neutral hydrogen gas reservoir in optically-selected type-2 AGN host central galaxies of s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.08399","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/2206.08399/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":"2026-07-05T04:36:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HaYzrKYtSn79CSqslOdjLLm7XdHKYPHRA9zEtdT9C1C36N2sO8iVEHAGk5LgGWqc3Qg6HPzEknkEG5qCu6vDCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T21:31:04.102387Z"},"content_sha256":"3f12e6e79605c00b5f2830384948ed072c483c4f28b209bd86f188f67eeabe37","schema_version":"1.0","event_id":"sha256:3f12e6e79605c00b5f2830384948ed072c483c4f28b209bd86f188f67eeabe37"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XOWFVG3B6IRG5LKNRLP5DT7LKG/bundle.json","state_url":"https://pith.science/pith/XOWFVG3B6IRG5LKNRLP5DT7LKG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XOWFVG3B6IRG5LKNRLP5DT7LKG/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":"2026-08-04T21:31:04Z","links":{"resolver":"https://pith.science/pith/XOWFVG3B6IRG5LKNRLP5DT7LKG","bundle":"https://pith.science/pith/XOWFVG3B6IRG5LKNRLP5DT7LKG/bundle.json","state":"https://pith.science/pith/XOWFVG3B6IRG5LKNRLP5DT7LKG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XOWFVG3B6IRG5LKNRLP5DT7LKG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:XOWFVG3B6IRG5LKNRLP5DT7LKG","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":"82c4ad214549a672a383d6178038e2801f8bd4f6ab34dff963eae23d51beb85b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-06-16T18:15:42Z","title_canon_sha256":"602dd48919cfcabf459cd6b99002e57a1d65067c0480b7e9d5976b27860818ee"},"schema_version":"1.0","source":{"id":"2206.08399","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2206.08399","created_at":"2026-07-05T04:36:01Z"},{"alias_kind":"arxiv_version","alias_value":"2206.08399v2","created_at":"2026-07-05T04:36:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2206.08399","created_at":"2026-07-05T04:36:01Z"},{"alias_kind":"pith_short_12","alias_value":"XOWFVG3B6IRG","created_at":"2026-07-05T04:36:01Z"},{"alias_kind":"pith_short_16","alias_value":"XOWFVG3B6IRG5LKN","created_at":"2026-07-05T04:36:01Z"},{"alias_kind":"pith_short_8","alias_value":"XOWFVG3B","created_at":"2026-07-05T04:36:01Z"}],"graph_snapshots":[{"event_id":"sha256:3f12e6e79605c00b5f2830384948ed072c483c4f28b209bd86f188f67eeabe37","target":"graph","created_at":"2026-07-05T04:36:01Z","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/2206.08399/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The growth of supermassive black holes, especially the associated state of active galactic nuclei (AGNs), is generally believed to be the key step in regulating star formation in massive galaxies. As the fuel of star formation, the cold gas reservoir is a direct probe of the effect of AGN feedback on their host galaxies. However, in observation, no clear connection has been found between AGN activity and the cold gas mass. In this paper, we find observational signals of significant depletion of the total neutral hydrogen gas reservoir in optically-selected type-2 AGN host central galaxies of s","authors_text":"Hong Guo, Jing Wang, Michael G. Jones","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-06-16T18:15:42Z","title":"Cold Gas Reservoirs of Low- and High-mass Central Galaxies Differ in Response to Active Galactic Nucleus Feedback"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2206.08399","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":"sha256:4e70a52983e1cba01220a1cc962fa84c18dac96b976f1d27080a44eaac397013","target":"record","created_at":"2026-07-05T04:36:01Z","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":"82c4ad214549a672a383d6178038e2801f8bd4f6ab34dff963eae23d51beb85b","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2022-06-16T18:15:42Z","title_canon_sha256":"602dd48919cfcabf459cd6b99002e57a1d65067c0480b7e9d5976b27860818ee"},"schema_version":"1.0","source":{"id":"2206.08399","kind":"arxiv","version":2}},"canonical_sha256":"bbac5a9b61f2226ead4d8adfd1cfeb5182b2100968479111da2f078422348236","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bbac5a9b61f2226ead4d8adfd1cfeb5182b2100968479111da2f078422348236","first_computed_at":"2026-07-05T04:36:01.367621Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:36:01.367621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8fgO5ZxrYWWCk6KM8hE4cGgsBelbpWNbf+yTIZPqu/uvE9xD1gGjNs1696cLtKp2XikcYu6T3ys/fQDDxZG9Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T04:36:01.368045Z","signed_message":"canonical_sha256_bytes"},"source_id":"2206.08399","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e70a52983e1cba01220a1cc962fa84c18dac96b976f1d27080a44eaac397013","sha256:3f12e6e79605c00b5f2830384948ed072c483c4f28b209bd86f188f67eeabe37"],"state_sha256":"f01d9189fb6a785213f59cdedcdf4d481724b0b38aba733f129d797a2b1eb229"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KnVBtY/HcHlx0xA1SfcMohqNdwgvQjSvCu9pKIvmb2rRqtXlyTo7iWrYyfQx+GY75hw2Df+DpsxWF1O85+i2Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T21:31:04.104593Z","bundle_sha256":"37bb5564e56cf7bb8fd03c06d6376237a8da2bad450eddee7815a17bbb2e7c6c"}}