{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:P7YIUXIP32AI5X6R2X2255MQTP","short_pith_number":"pith:P7YIUXIP","canonical_record":{"source":{"id":"2506.02124","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-06-02T18:00:20Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"824fe74136b99b7496c68a4c11a6b2792e77d21a2c855fdd0b2095f2a5853e32","abstract_canon_sha256":"a8c1d6b06eafcfb1e497d99b7716f491369ea44602ff285a6d8e6446d752990f"},"schema_version":"1.0"},"canonical_sha256":"7ff08a5d0fde808edfd1d5f5aef5909bd37bf90933dbc9f886f6ec710f523743","source":{"kind":"arxiv","id":"2506.02124","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.02124","created_at":"2026-07-05T11:14:32Z"},{"alias_kind":"arxiv_version","alias_value":"2506.02124v1","created_at":"2026-07-05T11:14:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.02124","created_at":"2026-07-05T11:14:32Z"},{"alias_kind":"pith_short_12","alias_value":"P7YIUXIP32AI","created_at":"2026-07-05T11:14:32Z"},{"alias_kind":"pith_short_16","alias_value":"P7YIUXIP32AI5X6R","created_at":"2026-07-05T11:14:32Z"},{"alias_kind":"pith_short_8","alias_value":"P7YIUXIP","created_at":"2026-07-05T11:14:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:P7YIUXIP32AI5X6R2X2255MQTP","target":"record","payload":{"canonical_record":{"source":{"id":"2506.02124","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-06-02T18:00:20Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"824fe74136b99b7496c68a4c11a6b2792e77d21a2c855fdd0b2095f2a5853e32","abstract_canon_sha256":"a8c1d6b06eafcfb1e497d99b7716f491369ea44602ff285a6d8e6446d752990f"},"schema_version":"1.0"},"canonical_sha256":"7ff08a5d0fde808edfd1d5f5aef5909bd37bf90933dbc9f886f6ec710f523743","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:14:32.943694Z","signature_b64":"IdGTj+X8fAN2fv+qjEZYtlYH1OzPixD9ae3/Qk33lempjD/XCIRy5otDDaTH4ZUvPVFW8HljiIgajnXSMPvMBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ff08a5d0fde808edfd1d5f5aef5909bd37bf90933dbc9f886f6ec710f523743","last_reissued_at":"2026-07-05T11:14:32.943143Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:14:32.943143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.02124","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":"2026-07-05T11:14:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aNdPmvkkL0/cOkf4F3+QiskiJGsfTaTM1kLHfxo0yHtYJhTeX1EpaIBdN/H8C7BaGR9jlkL1RzH802ppeNDxCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T23:52:22.806684Z"},"content_sha256":"58540e65b5cfcb2274bde4d160e91f50bda00c29411774c00679e28859b116d2","schema_version":"1.0","event_id":"sha256:58540e65b5cfcb2274bde4d160e91f50bda00c29411774c00679e28859b116d2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:P7YIUXIP32AI5X6R2X2255MQTP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Relationship Between Eddington Ratio and Column Density in U/LIRG AGN","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Aaron S. Evans, Alejandro Saravia, Anne M. Medling, Claudio Ricci, Gabriela A. Meza, George C. Privon, Jaya Nagarajan-Swenson, Kara N. Green, Loreto Barcos-Mu\\~noz, Makoto Johnstone, Vivian U","submitted_at":"2025-06-02T18:00:20Z","abstract_excerpt":"The local X-ray AGN population appears to follow a growth cycle regulated by the AGN's own radiation, marked by changes in their obscuration and Eddington ratio during accretion events. Because AGN in infrared-selected galaxies are more likely to be Compton-thick and have evidence for over-massive black holes, we explore whether infrared-selected AGN follow the radiation-regulated AGN growth scheme. We calculate the Eddington ratios of nine U/LIRG AGN with dynamical BH mass measurements, finding that though the number of objects is limited, AGN in IR-selected galaxies appear consistent with ra"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.02124","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/2506.02124/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":"2026-07-05T11:14:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mGnhG8ArxHGlL6tVfmjlUB7LVqsJ3KK4+Fg+FkgEUNAgf9ndd4oeyzy6dbQkD/k40mWFmjaNiqICz9PXEDYlDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T23:52:22.807220Z"},"content_sha256":"0abe4544df1e5c95c91f0c58b3421e3a254c8e043968144c99493aa4a0e37c8c","schema_version":"1.0","event_id":"sha256:0abe4544df1e5c95c91f0c58b3421e3a254c8e043968144c99493aa4a0e37c8c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P7YIUXIP32AI5X6R2X2255MQTP/bundle.json","state_url":"https://pith.science/pith/P7YIUXIP32AI5X6R2X2255MQTP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P7YIUXIP32AI5X6R2X2255MQTP/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":"2026-08-07T23:52:22Z","links":{"resolver":"https://pith.science/pith/P7YIUXIP32AI5X6R2X2255MQTP","bundle":"https://pith.science/pith/P7YIUXIP32AI5X6R2X2255MQTP/bundle.json","state":"https://pith.science/pith/P7YIUXIP32AI5X6R2X2255MQTP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P7YIUXIP32AI5X6R2X2255MQTP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:P7YIUXIP32AI5X6R2X2255MQTP","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":"a8c1d6b06eafcfb1e497d99b7716f491369ea44602ff285a6d8e6446d752990f","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-06-02T18:00:20Z","title_canon_sha256":"824fe74136b99b7496c68a4c11a6b2792e77d21a2c855fdd0b2095f2a5853e32"},"schema_version":"1.0","source":{"id":"2506.02124","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.02124","created_at":"2026-07-05T11:14:32Z"},{"alias_kind":"arxiv_version","alias_value":"2506.02124v1","created_at":"2026-07-05T11:14:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.02124","created_at":"2026-07-05T11:14:32Z"},{"alias_kind":"pith_short_12","alias_value":"P7YIUXIP32AI","created_at":"2026-07-05T11:14:32Z"},{"alias_kind":"pith_short_16","alias_value":"P7YIUXIP32AI5X6R","created_at":"2026-07-05T11:14:32Z"},{"alias_kind":"pith_short_8","alias_value":"P7YIUXIP","created_at":"2026-07-05T11:14:32Z"}],"graph_snapshots":[{"event_id":"sha256:0abe4544df1e5c95c91f0c58b3421e3a254c8e043968144c99493aa4a0e37c8c","target":"graph","created_at":"2026-07-05T11:14:32Z","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/2506.02124/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The local X-ray AGN population appears to follow a growth cycle regulated by the AGN's own radiation, marked by changes in their obscuration and Eddington ratio during accretion events. Because AGN in infrared-selected galaxies are more likely to be Compton-thick and have evidence for over-massive black holes, we explore whether infrared-selected AGN follow the radiation-regulated AGN growth scheme. We calculate the Eddington ratios of nine U/LIRG AGN with dynamical BH mass measurements, finding that though the number of objects is limited, AGN in IR-selected galaxies appear consistent with ra","authors_text":"Aaron S. Evans, Alejandro Saravia, Anne M. Medling, Claudio Ricci, Gabriela A. Meza, George C. Privon, Jaya Nagarajan-Swenson, Kara N. Green, Loreto Barcos-Mu\\~noz, Makoto Johnstone, Vivian U","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-06-02T18:00:20Z","title":"The Relationship Between Eddington Ratio and Column Density in U/LIRG AGN"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.02124","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":"sha256:58540e65b5cfcb2274bde4d160e91f50bda00c29411774c00679e28859b116d2","target":"record","created_at":"2026-07-05T11:14:32Z","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":"a8c1d6b06eafcfb1e497d99b7716f491369ea44602ff285a6d8e6446d752990f","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-06-02T18:00:20Z","title_canon_sha256":"824fe74136b99b7496c68a4c11a6b2792e77d21a2c855fdd0b2095f2a5853e32"},"schema_version":"1.0","source":{"id":"2506.02124","kind":"arxiv","version":1}},"canonical_sha256":"7ff08a5d0fde808edfd1d5f5aef5909bd37bf90933dbc9f886f6ec710f523743","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ff08a5d0fde808edfd1d5f5aef5909bd37bf90933dbc9f886f6ec710f523743","first_computed_at":"2026-07-05T11:14:32.943143Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:14:32.943143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IdGTj+X8fAN2fv+qjEZYtlYH1OzPixD9ae3/Qk33lempjD/XCIRy5otDDaTH4ZUvPVFW8HljiIgajnXSMPvMBw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:14:32.943694Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.02124","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:58540e65b5cfcb2274bde4d160e91f50bda00c29411774c00679e28859b116d2","sha256:0abe4544df1e5c95c91f0c58b3421e3a254c8e043968144c99493aa4a0e37c8c"],"state_sha256":"cfd4f2e5dc7fbe575b69977c70ab6c0c87003723cd1b4a2dd775b9da1b872197"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BRB7A5MjR5CoDcHmP+lbnQvBRXGz0/ia31dAtGDQ8YtMuz7WtKwV0ufgXvW0J4GxR1wKTajYs7lyhHJYzrxLDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T23:52:22.811477Z","bundle_sha256":"7944a06ab9db08f96c18111363c02fd66ddbfcae003f27eaff0b5eddb0b6d67b"}}