{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:CP7LB6XXXQIPANHQUNEFMN7Q3P","short_pith_number":"pith:CP7LB6XX","canonical_record":{"source":{"id":"2403.09174","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-03-14T08:41:45Z","cross_cats_sorted":[],"title_canon_sha256":"855517e0af0446449b4274d5f42efa24a06e4404ba54f69ea560a87b48081d88","abstract_canon_sha256":"7960669877822a2fb1cc4b3d118ce503147e781f62f110e5853a72b4597cf114"},"schema_version":"1.0"},"canonical_sha256":"13feb0faf7bc10f034f0a3485637f0dbcf2ac79f48ce31e8706c545f13cb05c1","source":{"kind":"arxiv","id":"2403.09174","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.09174","created_at":"2026-07-05T07:56:06Z"},{"alias_kind":"arxiv_version","alias_value":"2403.09174v1","created_at":"2026-07-05T07:56:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.09174","created_at":"2026-07-05T07:56:06Z"},{"alias_kind":"pith_short_12","alias_value":"CP7LB6XXXQIP","created_at":"2026-07-05T07:56:06Z"},{"alias_kind":"pith_short_16","alias_value":"CP7LB6XXXQIPANHQ","created_at":"2026-07-05T07:56:06Z"},{"alias_kind":"pith_short_8","alias_value":"CP7LB6XX","created_at":"2026-07-05T07:56:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:CP7LB6XXXQIPANHQUNEFMN7Q3P","target":"record","payload":{"canonical_record":{"source":{"id":"2403.09174","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-03-14T08:41:45Z","cross_cats_sorted":[],"title_canon_sha256":"855517e0af0446449b4274d5f42efa24a06e4404ba54f69ea560a87b48081d88","abstract_canon_sha256":"7960669877822a2fb1cc4b3d118ce503147e781f62f110e5853a72b4597cf114"},"schema_version":"1.0"},"canonical_sha256":"13feb0faf7bc10f034f0a3485637f0dbcf2ac79f48ce31e8706c545f13cb05c1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:56:06.357720Z","signature_b64":"V3+NPPWrkQsHpnSBARBim24HNbZ3udUxomC9MVbyG9crkoGEDgWILmAsY+IGyLc/GGVX55CT5lwP7w6+xFW8BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"13feb0faf7bc10f034f0a3485637f0dbcf2ac79f48ce31e8706c545f13cb05c1","last_reissued_at":"2026-07-05T07:56:06.357212Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:56:06.357212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2403.09174","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":"2026-07-05T07:56:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bd+5/1uqORzp9uH/cyHjmDFU4IvyyRQNNnRY/IrA90qoJlEAhNdZbrcAsCi+sRt11oobyZlmAAgIciXyjsEzDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T12:25:31.162235Z"},"content_sha256":"5fc2171ea76bcc40fb82291715e0c66dcf2d1cf8f06a16a0cea3116fc328fa31","schema_version":"1.0","event_id":"sha256:5fc2171ea76bcc40fb82291715e0c66dcf2d1cf8f06a16a0cea3116fc328fa31"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:CP7LB6XXXQIPANHQUNEFMN7Q3P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Properties of a Fading AGN from SDSS-IV MaNGA","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alexei Moiseev, Dmitry Bizyaev, Hao Mo, Min Bao, Qiu-Sheng Gu, Song-Lin Li, Xiao Cao, Yan-Mei Chen, Yong Shi, Zhi-Yun Zhang","submitted_at":"2024-03-14T08:41:45Z","abstract_excerpt":"We identify a fading AGN SDSS J220141.64+115124.3 from the internal Product Launch-11 (MPL-11) in Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey. The central region with a projected radius of $\\sim$2.4 kpc is characterized as LINER-like line ratios while the outskirts extended to $\\sim$15 kpc show Seyfert-like line ratios. The [OIII]$\\lambda$5007 luminosity of the Seyfert regions is a factor of 37 (2) higher than the LINER regions without (with) dust attenuation correction, suggesting that the AGN activity decreases at least $\\sim$8 $\\times$ 10$^3$ yrs ($\\sim$2.4 kpc/light-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.09174","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/2403.09174/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":"2026-07-05T07:56:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QmvZRW5hXmJEMyRiy1JN6TojW+KiXC62awWSXNRplh7pz2JLKL7214ds4pfL6x4SlexDatrxTTSXXCNI4VPDDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T12:25:31.162676Z"},"content_sha256":"88a260711edee97ebee17637e4ffd32fe3251a7f817668c5f9828c1b3b072bcb","schema_version":"1.0","event_id":"sha256:88a260711edee97ebee17637e4ffd32fe3251a7f817668c5f9828c1b3b072bcb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CP7LB6XXXQIPANHQUNEFMN7Q3P/bundle.json","state_url":"https://pith.science/pith/CP7LB6XXXQIPANHQUNEFMN7Q3P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CP7LB6XXXQIPANHQUNEFMN7Q3P/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":"2026-07-06T12:25:31Z","links":{"resolver":"https://pith.science/pith/CP7LB6XXXQIPANHQUNEFMN7Q3P","bundle":"https://pith.science/pith/CP7LB6XXXQIPANHQUNEFMN7Q3P/bundle.json","state":"https://pith.science/pith/CP7LB6XXXQIPANHQUNEFMN7Q3P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CP7LB6XXXQIPANHQUNEFMN7Q3P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:CP7LB6XXXQIPANHQUNEFMN7Q3P","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":"7960669877822a2fb1cc4b3d118ce503147e781f62f110e5853a72b4597cf114","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-03-14T08:41:45Z","title_canon_sha256":"855517e0af0446449b4274d5f42efa24a06e4404ba54f69ea560a87b48081d88"},"schema_version":"1.0","source":{"id":"2403.09174","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2403.09174","created_at":"2026-07-05T07:56:06Z"},{"alias_kind":"arxiv_version","alias_value":"2403.09174v1","created_at":"2026-07-05T07:56:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2403.09174","created_at":"2026-07-05T07:56:06Z"},{"alias_kind":"pith_short_12","alias_value":"CP7LB6XXXQIP","created_at":"2026-07-05T07:56:06Z"},{"alias_kind":"pith_short_16","alias_value":"CP7LB6XXXQIPANHQ","created_at":"2026-07-05T07:56:06Z"},{"alias_kind":"pith_short_8","alias_value":"CP7LB6XX","created_at":"2026-07-05T07:56:06Z"}],"graph_snapshots":[{"event_id":"sha256:88a260711edee97ebee17637e4ffd32fe3251a7f817668c5f9828c1b3b072bcb","target":"graph","created_at":"2026-07-05T07:56:06Z","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/2403.09174/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We identify a fading AGN SDSS J220141.64+115124.3 from the internal Product Launch-11 (MPL-11) in Mapping Nearby Galaxies at Apache Point Observatory (MaNGA) survey. The central region with a projected radius of $\\sim$2.4 kpc is characterized as LINER-like line ratios while the outskirts extended to $\\sim$15 kpc show Seyfert-like line ratios. The [OIII]$\\lambda$5007 luminosity of the Seyfert regions is a factor of 37 (2) higher than the LINER regions without (with) dust attenuation correction, suggesting that the AGN activity decreases at least $\\sim$8 $\\times$ 10$^3$ yrs ($\\sim$2.4 kpc/light-","authors_text":"Alexei Moiseev, Dmitry Bizyaev, Hao Mo, Min Bao, Qiu-Sheng Gu, Song-Lin Li, Xiao Cao, Yan-Mei Chen, Yong Shi, Zhi-Yun Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-03-14T08:41:45Z","title":"Properties of a Fading AGN from SDSS-IV MaNGA"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2403.09174","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":"sha256:5fc2171ea76bcc40fb82291715e0c66dcf2d1cf8f06a16a0cea3116fc328fa31","target":"record","created_at":"2026-07-05T07:56:06Z","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":"7960669877822a2fb1cc4b3d118ce503147e781f62f110e5853a72b4597cf114","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-03-14T08:41:45Z","title_canon_sha256":"855517e0af0446449b4274d5f42efa24a06e4404ba54f69ea560a87b48081d88"},"schema_version":"1.0","source":{"id":"2403.09174","kind":"arxiv","version":1}},"canonical_sha256":"13feb0faf7bc10f034f0a3485637f0dbcf2ac79f48ce31e8706c545f13cb05c1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"13feb0faf7bc10f034f0a3485637f0dbcf2ac79f48ce31e8706c545f13cb05c1","first_computed_at":"2026-07-05T07:56:06.357212Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:56:06.357212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V3+NPPWrkQsHpnSBARBim24HNbZ3udUxomC9MVbyG9crkoGEDgWILmAsY+IGyLc/GGVX55CT5lwP7w6+xFW8BA==","signature_status":"signed_v1","signed_at":"2026-07-05T07:56:06.357720Z","signed_message":"canonical_sha256_bytes"},"source_id":"2403.09174","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5fc2171ea76bcc40fb82291715e0c66dcf2d1cf8f06a16a0cea3116fc328fa31","sha256:88a260711edee97ebee17637e4ffd32fe3251a7f817668c5f9828c1b3b072bcb"],"state_sha256":"d2b16124af81b92df83a36520e56bfb07490d0807c2dda7ac2010fa8e3344718"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Hz7fN+rLSEx2FYApFCfixdr3W5M661h65ufpur8qGQsUlElEX8SE1nnhM0G8/dDFpb9BDB4b8pq8OG2OZ5LAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T12:25:31.164878Z","bundle_sha256":"d72965dad4f3e1553b3d1b1fd0e59510cbc9bf71577f45d320b470d7e10348e0"}}