{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:KE223DXOWT42RJN223UX4YGSUK","short_pith_number":"pith:KE223DXO","canonical_record":{"source":{"id":"2504.18972","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-26T17:00:58Z","cross_cats_sorted":[],"title_canon_sha256":"f52e4d7a3d67a90034b2530896ed3bf41bd7a51b9c3e1092b9603535b0fc4f9a","abstract_canon_sha256":"71d7dd8901775558aa5a06f5027c4ec3589c9bb6c8c456eb9770b9964ec85a3f"},"schema_version":"1.0"},"canonical_sha256":"5135ad8eeeb4f9a8a5bad6e97e60d2a29ac178afb7b0829553323db9698e4f93","source":{"kind":"arxiv","id":"2504.18972","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.18972","created_at":"2026-07-05T10:54:49Z"},{"alias_kind":"arxiv_version","alias_value":"2504.18972v1","created_at":"2026-07-05T10:54:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.18972","created_at":"2026-07-05T10:54:49Z"},{"alias_kind":"pith_short_12","alias_value":"KE223DXOWT42","created_at":"2026-07-05T10:54:49Z"},{"alias_kind":"pith_short_16","alias_value":"KE223DXOWT42RJN2","created_at":"2026-07-05T10:54:49Z"},{"alias_kind":"pith_short_8","alias_value":"KE223DXO","created_at":"2026-07-05T10:54:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:KE223DXOWT42RJN223UX4YGSUK","target":"record","payload":{"canonical_record":{"source":{"id":"2504.18972","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-26T17:00:58Z","cross_cats_sorted":[],"title_canon_sha256":"f52e4d7a3d67a90034b2530896ed3bf41bd7a51b9c3e1092b9603535b0fc4f9a","abstract_canon_sha256":"71d7dd8901775558aa5a06f5027c4ec3589c9bb6c8c456eb9770b9964ec85a3f"},"schema_version":"1.0"},"canonical_sha256":"5135ad8eeeb4f9a8a5bad6e97e60d2a29ac178afb7b0829553323db9698e4f93","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:54:49.792771Z","signature_b64":"Zyf2wGIHCSsz1r1wxBWC4asQh58nqx1lJXBtdyz+e7p6oJMDJoGQ4UTa/3RutjPZRovBTiV4DdyrAwWifq5GDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5135ad8eeeb4f9a8a5bad6e97e60d2a29ac178afb7b0829553323db9698e4f93","last_reissued_at":"2026-07-05T10:54:49.792273Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:54:49.792273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.18972","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":"2026-07-05T10:54:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ux2hAjtUwOq0feyoZggEMcDGksLT/JvefsRQkyLlCOK2hQ/NrANfHLKiiaMp86/YhXVOTZn99+hHeQi9cCEKDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:24:58.607755Z"},"content_sha256":"e46eeba9befdd884aa9c9679ac45a99c2c2b61203234a202bc5eae0b31326abd","schema_version":"1.0","event_id":"sha256:e46eeba9befdd884aa9c9679ac45a99c2c2b61203234a202bc5eae0b31326abd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:KE223DXOWT42RJN223UX4YGSUK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The interplay between Active Galactic Nuclei and Ram-pressure stripping: spatially resolved gas-phase abundances of stripped and undisturbed galaxies","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alessandro Ignesti, Alessia Moretti, Amir H. Khoram, Augusto E. Lassen, Ayan Acharyya, Benedetta Vulcani, Bianca M. Poggianti, Giorgia Peluso, Ivan Delvecchio, Jacopo Fritz, Marco Gullieuszik, Mario Radovich, Neven Tomicic, Peter Watson","submitted_at":"2025-04-26T17:00:58Z","abstract_excerpt":"The gas-phase oxygen abundance of the circumnuclear regions around supermassive black holes (SMBH) has been claimed to be affected by the presence of an Active Galactic Nucleus (AGN). However, there is currently no consensus on the mechanism driving this effect. In this work, we explore whether the interplay between AGN activity and the Ram Pressure Stripping (RPS) can influence the metallicity distributions of nearby (z < 0.07) galaxies. To this aim, we measure the spatially resolved gas-phase oxygen abundances of 10 stripped AGN hosts from the GASP survey, as well as 52 AGN hosts found in th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.18972","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/2504.18972/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":"2026-07-05T10:54:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pQdIJ1P7jDq6fBzVKLLz673eXvM6SQz1HZHxpWrTblGGnhb5LLSpwvcCR9T42Xaj7CK2EJwUCuv3dQQV2TzPCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T14:24:58.608790Z"},"content_sha256":"ada3b98e6dda0e475eb8466a7fd6cec483be3313d472ed1406a33275942ca08f","schema_version":"1.0","event_id":"sha256:ada3b98e6dda0e475eb8466a7fd6cec483be3313d472ed1406a33275942ca08f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KE223DXOWT42RJN223UX4YGSUK/bundle.json","state_url":"https://pith.science/pith/KE223DXOWT42RJN223UX4YGSUK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KE223DXOWT42RJN223UX4YGSUK/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":"2026-08-04T14:24:58Z","links":{"resolver":"https://pith.science/pith/KE223DXOWT42RJN223UX4YGSUK","bundle":"https://pith.science/pith/KE223DXOWT42RJN223UX4YGSUK/bundle.json","state":"https://pith.science/pith/KE223DXOWT42RJN223UX4YGSUK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KE223DXOWT42RJN223UX4YGSUK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:KE223DXOWT42RJN223UX4YGSUK","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":"71d7dd8901775558aa5a06f5027c4ec3589c9bb6c8c456eb9770b9964ec85a3f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-26T17:00:58Z","title_canon_sha256":"f52e4d7a3d67a90034b2530896ed3bf41bd7a51b9c3e1092b9603535b0fc4f9a"},"schema_version":"1.0","source":{"id":"2504.18972","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.18972","created_at":"2026-07-05T10:54:49Z"},{"alias_kind":"arxiv_version","alias_value":"2504.18972v1","created_at":"2026-07-05T10:54:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.18972","created_at":"2026-07-05T10:54:49Z"},{"alias_kind":"pith_short_12","alias_value":"KE223DXOWT42","created_at":"2026-07-05T10:54:49Z"},{"alias_kind":"pith_short_16","alias_value":"KE223DXOWT42RJN2","created_at":"2026-07-05T10:54:49Z"},{"alias_kind":"pith_short_8","alias_value":"KE223DXO","created_at":"2026-07-05T10:54:49Z"}],"graph_snapshots":[{"event_id":"sha256:ada3b98e6dda0e475eb8466a7fd6cec483be3313d472ed1406a33275942ca08f","target":"graph","created_at":"2026-07-05T10:54:49Z","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/2504.18972/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The gas-phase oxygen abundance of the circumnuclear regions around supermassive black holes (SMBH) has been claimed to be affected by the presence of an Active Galactic Nucleus (AGN). However, there is currently no consensus on the mechanism driving this effect. In this work, we explore whether the interplay between AGN activity and the Ram Pressure Stripping (RPS) can influence the metallicity distributions of nearby (z < 0.07) galaxies. To this aim, we measure the spatially resolved gas-phase oxygen abundances of 10 stripped AGN hosts from the GASP survey, as well as 52 AGN hosts found in th","authors_text":"Alessandro Ignesti, Alessia Moretti, Amir H. Khoram, Augusto E. Lassen, Ayan Acharyya, Benedetta Vulcani, Bianca M. Poggianti, Giorgia Peluso, Ivan Delvecchio, Jacopo Fritz, Marco Gullieuszik, Mario Radovich, Neven Tomicic, Peter Watson","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-26T17:00:58Z","title":"The interplay between Active Galactic Nuclei and Ram-pressure stripping: spatially resolved gas-phase abundances of stripped and undisturbed galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.18972","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:e46eeba9befdd884aa9c9679ac45a99c2c2b61203234a202bc5eae0b31326abd","target":"record","created_at":"2026-07-05T10:54:49Z","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":"71d7dd8901775558aa5a06f5027c4ec3589c9bb6c8c456eb9770b9964ec85a3f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-26T17:00:58Z","title_canon_sha256":"f52e4d7a3d67a90034b2530896ed3bf41bd7a51b9c3e1092b9603535b0fc4f9a"},"schema_version":"1.0","source":{"id":"2504.18972","kind":"arxiv","version":1}},"canonical_sha256":"5135ad8eeeb4f9a8a5bad6e97e60d2a29ac178afb7b0829553323db9698e4f93","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5135ad8eeeb4f9a8a5bad6e97e60d2a29ac178afb7b0829553323db9698e4f93","first_computed_at":"2026-07-05T10:54:49.792273Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:54:49.792273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zyf2wGIHCSsz1r1wxBWC4asQh58nqx1lJXBtdyz+e7p6oJMDJoGQ4UTa/3RutjPZRovBTiV4DdyrAwWifq5GDg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:54:49.792771Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.18972","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e46eeba9befdd884aa9c9679ac45a99c2c2b61203234a202bc5eae0b31326abd","sha256:ada3b98e6dda0e475eb8466a7fd6cec483be3313d472ed1406a33275942ca08f"],"state_sha256":"84f328d8b0afa5eab2cd3d262ef17c938161c9cd35709ca18f101b67109413ce"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qicjDS6iRc0LZ4rbmRcR4TMY0hBk5z4aI3oSxQ8NvA5x3VbGj4+A87ylFAhjDAgVK6TeNuhqpSdd0c70QcU5CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T14:24:58.640688Z","bundle_sha256":"2bb82796f9861e8c71ab3fc94a9c1eb1f6571f2100779d88f6b1b6084c598b69"}}