{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:U32DL2BLVUXM6NJP57QW4DYJSS","short_pith_number":"pith:U32DL2BL","canonical_record":{"source":{"id":"2111.03558","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-05T15:25:02Z","cross_cats_sorted":[],"title_canon_sha256":"ae86746bb25611bc02fcbd9da70c53df233e84530d485479440951f133c7004a","abstract_canon_sha256":"6f4a35fa4dd0b52028af01b7a713e218d1a204b40ec4643443a4a4962fef31bf"},"schema_version":"1.0"},"canonical_sha256":"a6f435e82bad2ecf352fefe16e0f0994ab68fa71e5225b6a5d75dd1873e617de","source":{"kind":"arxiv","id":"2111.03558","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.03558","created_at":"2026-07-05T03:53:10Z"},{"alias_kind":"arxiv_version","alias_value":"2111.03558v1","created_at":"2026-07-05T03:53:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.03558","created_at":"2026-07-05T03:53:10Z"},{"alias_kind":"pith_short_12","alias_value":"U32DL2BLVUXM","created_at":"2026-07-05T03:53:10Z"},{"alias_kind":"pith_short_16","alias_value":"U32DL2BLVUXM6NJP","created_at":"2026-07-05T03:53:10Z"},{"alias_kind":"pith_short_8","alias_value":"U32DL2BL","created_at":"2026-07-05T03:53:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:U32DL2BLVUXM6NJP57QW4DYJSS","target":"record","payload":{"canonical_record":{"source":{"id":"2111.03558","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-05T15:25:02Z","cross_cats_sorted":[],"title_canon_sha256":"ae86746bb25611bc02fcbd9da70c53df233e84530d485479440951f133c7004a","abstract_canon_sha256":"6f4a35fa4dd0b52028af01b7a713e218d1a204b40ec4643443a4a4962fef31bf"},"schema_version":"1.0"},"canonical_sha256":"a6f435e82bad2ecf352fefe16e0f0994ab68fa71e5225b6a5d75dd1873e617de","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:53:10.321278Z","signature_b64":"OTs+hQywdeKbWx0dKUhS5BZlV9LYzojeqClGWhKjWNE8Hxt5q/1sHI77B7jaahN+grDi2lY9RDuYxbH9T9xTAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a6f435e82bad2ecf352fefe16e0f0994ab68fa71e5225b6a5d75dd1873e617de","last_reissued_at":"2026-07-05T03:53:10.320806Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:53:10.320806Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2111.03558","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":"2026-07-05T03:53:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m9rkvxZ/nB3K+L5C5Xkr1L7d8SFiz2009Rdrvh2WZr8vAMPsSENfIH6Gf4irreLDhUD9Sgv8UBqznsw4aHyxDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:09:26.105481Z"},"content_sha256":"854771c93c37b45f65643af143080b7b69b6138fb0b54181d01dfe2f7819638f","schema_version":"1.0","event_id":"sha256:854771c93c37b45f65643af143080b7b69b6138fb0b54181d01dfe2f7819638f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:U32DL2BLVUXM6NJP57QW4DYJSS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Relation between Morphological Asymmetry and Nuclear Activity in Low-redshift Galaxies","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Jinyi Shangguan, Luis C. Ho, Ming-Yang Zhuang, Yang A. Li, Yulin Zhao","submitted_at":"2021-11-05T15:25:02Z","abstract_excerpt":"The morphology of galaxies reflects their assembly history and ongoing dynamical perturbations from the environment. Analyzing i-band images from the Pan-STARRS1 Survey, we study the optical morphological asymmetry of the host galaxies of a large, well-defined sample of nearby active galactic nuclei (AGNs) to investigate the role of mergers and interactions in triggering nuclear activity. The AGNs, comprising 245 type 1 and 4514 type 2 objects, are compared with 4537 star-forming galaxies matched in redshift and stellar mass. We develop a comprehensive masking strategy to isolate the emission "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.03558","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/2111.03558/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":"2026-07-05T03:53:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v5ddSuJ0iAVl+q3phzTg7KQvvROJrR1P4qyjvJGMuBERJ/RLe2Vybgfb7TVvGEwCyi6YKB/QIIEcas9IdCxtDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:09:26.106715Z"},"content_sha256":"6a2a1030b0c30b642e33661ead3c537f7b9f041a9eade2092a40ddfb5151d6af","schema_version":"1.0","event_id":"sha256:6a2a1030b0c30b642e33661ead3c537f7b9f041a9eade2092a40ddfb5151d6af"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U32DL2BLVUXM6NJP57QW4DYJSS/bundle.json","state_url":"https://pith.science/pith/U32DL2BLVUXM6NJP57QW4DYJSS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U32DL2BLVUXM6NJP57QW4DYJSS/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":"2026-08-03T17:09:26Z","links":{"resolver":"https://pith.science/pith/U32DL2BLVUXM6NJP57QW4DYJSS","bundle":"https://pith.science/pith/U32DL2BLVUXM6NJP57QW4DYJSS/bundle.json","state":"https://pith.science/pith/U32DL2BLVUXM6NJP57QW4DYJSS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U32DL2BLVUXM6NJP57QW4DYJSS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:U32DL2BLVUXM6NJP57QW4DYJSS","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":"6f4a35fa4dd0b52028af01b7a713e218d1a204b40ec4643443a4a4962fef31bf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-05T15:25:02Z","title_canon_sha256":"ae86746bb25611bc02fcbd9da70c53df233e84530d485479440951f133c7004a"},"schema_version":"1.0","source":{"id":"2111.03558","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2111.03558","created_at":"2026-07-05T03:53:10Z"},{"alias_kind":"arxiv_version","alias_value":"2111.03558v1","created_at":"2026-07-05T03:53:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2111.03558","created_at":"2026-07-05T03:53:10Z"},{"alias_kind":"pith_short_12","alias_value":"U32DL2BLVUXM","created_at":"2026-07-05T03:53:10Z"},{"alias_kind":"pith_short_16","alias_value":"U32DL2BLVUXM6NJP","created_at":"2026-07-05T03:53:10Z"},{"alias_kind":"pith_short_8","alias_value":"U32DL2BL","created_at":"2026-07-05T03:53:10Z"}],"graph_snapshots":[{"event_id":"sha256:6a2a1030b0c30b642e33661ead3c537f7b9f041a9eade2092a40ddfb5151d6af","target":"graph","created_at":"2026-07-05T03:53:10Z","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/2111.03558/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The morphology of galaxies reflects their assembly history and ongoing dynamical perturbations from the environment. Analyzing i-band images from the Pan-STARRS1 Survey, we study the optical morphological asymmetry of the host galaxies of a large, well-defined sample of nearby active galactic nuclei (AGNs) to investigate the role of mergers and interactions in triggering nuclear activity. The AGNs, comprising 245 type 1 and 4514 type 2 objects, are compared with 4537 star-forming galaxies matched in redshift and stellar mass. We develop a comprehensive masking strategy to isolate the emission ","authors_text":"Jinyi Shangguan, Luis C. Ho, Ming-Yang Zhuang, Yang A. Li, Yulin Zhao","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-05T15:25:02Z","title":"The Relation between Morphological Asymmetry and Nuclear Activity in Low-redshift Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2111.03558","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":"sha256:854771c93c37b45f65643af143080b7b69b6138fb0b54181d01dfe2f7819638f","target":"record","created_at":"2026-07-05T03:53:10Z","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":"6f4a35fa4dd0b52028af01b7a713e218d1a204b40ec4643443a4a4962fef31bf","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-11-05T15:25:02Z","title_canon_sha256":"ae86746bb25611bc02fcbd9da70c53df233e84530d485479440951f133c7004a"},"schema_version":"1.0","source":{"id":"2111.03558","kind":"arxiv","version":1}},"canonical_sha256":"a6f435e82bad2ecf352fefe16e0f0994ab68fa71e5225b6a5d75dd1873e617de","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a6f435e82bad2ecf352fefe16e0f0994ab68fa71e5225b6a5d75dd1873e617de","first_computed_at":"2026-07-05T03:53:10.320806Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:53:10.320806Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OTs+hQywdeKbWx0dKUhS5BZlV9LYzojeqClGWhKjWNE8Hxt5q/1sHI77B7jaahN+grDi2lY9RDuYxbH9T9xTAw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:53:10.321278Z","signed_message":"canonical_sha256_bytes"},"source_id":"2111.03558","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:854771c93c37b45f65643af143080b7b69b6138fb0b54181d01dfe2f7819638f","sha256:6a2a1030b0c30b642e33661ead3c537f7b9f041a9eade2092a40ddfb5151d6af"],"state_sha256":"95a44a5b285cd20d7d1e61c5b6a9f3d25afdfe1d9c3cfa1471a99c43ea6676c3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VlSt3ZrvrK7uV5aLQXduxNZNBGRW4itHxTlyfocevzXzROnO8yrfhBYmfdmMUf6nf9x/ORrsJ+iNpoZmdrzEDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T17:09:26.112681Z","bundle_sha256":"2770bcfb8339349b21b77036a7496cae0de043ad6ce583cdeeca2a36a3faed18"}}