{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:J7HW4YXZPSZFGY3JYUGVVN36HR","short_pith_number":"pith:J7HW4YXZ","canonical_record":{"source":{"id":"2312.16089","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-12-26T15:27:10Z","cross_cats_sorted":["astro-ph.GA","hep-ph"],"title_canon_sha256":"201229fce526ea2f2727705083f20a8213c9c960c0cca01c714fad205f68c413","abstract_canon_sha256":"89f267f1da77232c13f192c3d56e9569f21e1135b3c0380269f37bf059bd26d7"},"schema_version":"1.0"},"canonical_sha256":"4fcf6e62f97cb2536369c50d5ab77e3c4e9cc65eb79c557133bbab926a74a435","source":{"kind":"arxiv","id":"2312.16089","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.16089","created_at":"2026-07-05T07:43:59Z"},{"alias_kind":"arxiv_version","alias_value":"2312.16089v2","created_at":"2026-07-05T07:43:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.16089","created_at":"2026-07-05T07:43:59Z"},{"alias_kind":"pith_short_12","alias_value":"J7HW4YXZPSZF","created_at":"2026-07-05T07:43:59Z"},{"alias_kind":"pith_short_16","alias_value":"J7HW4YXZPSZFGY3J","created_at":"2026-07-05T07:43:59Z"},{"alias_kind":"pith_short_8","alias_value":"J7HW4YXZ","created_at":"2026-07-05T07:43:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:J7HW4YXZPSZFGY3JYUGVVN36HR","target":"record","payload":{"canonical_record":{"source":{"id":"2312.16089","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-12-26T15:27:10Z","cross_cats_sorted":["astro-ph.GA","hep-ph"],"title_canon_sha256":"201229fce526ea2f2727705083f20a8213c9c960c0cca01c714fad205f68c413","abstract_canon_sha256":"89f267f1da77232c13f192c3d56e9569f21e1135b3c0380269f37bf059bd26d7"},"schema_version":"1.0"},"canonical_sha256":"4fcf6e62f97cb2536369c50d5ab77e3c4e9cc65eb79c557133bbab926a74a435","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:43:59.328950Z","signature_b64":"o9tPEecbQYN7dxVovdx1z6kqfdq9tkPIrMREH1LsgcI1fsri1qqAcsy+HkUCR2aC23D3rwL+xYjpPE0DA6v8Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4fcf6e62f97cb2536369c50d5ab77e3c4e9cc65eb79c557133bbab926a74a435","last_reissued_at":"2026-07-05T07:43:59.328458Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:43:59.328458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.16089","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":"2026-07-05T07:43:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N+CR5pKlwBW7y6AXhKi0rETQaM+dn20YuCx6XtZndtq+RW9VrpixEdp99bA+hM9u+l0VjYxa11dAOkfERB4HBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T05:21:50.807883Z"},"content_sha256":"c436780b975ffd69108d25bbb7df1513fd29ce29a9a0ba40901cc75ecb758480","schema_version":"1.0","event_id":"sha256:c436780b975ffd69108d25bbb7df1513fd29ce29a9a0ba40901cc75ecb758480"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:J7HW4YXZPSZFGY3JYUGVVN36HR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sub-GeV Gamma Rays from Nearby Seyfert Galaxies and Implications for Coronal Neutrino Emission","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA","hep-ph"],"primary_cat":"astro-ph.HE","authors_text":"Christopher M. Karwin, Kohta Murase, Marco Ajello, Sara Buson, Shigeo S. Kimura","submitted_at":"2023-12-26T15:27:10Z","abstract_excerpt":"Recent observations of high-energy neutrinos by IceCube and gamma rays by the Fermi Large Area Telescope (LAT) and the MAGIC telescope have suggested that neutrinos are produced in gamma-ray opaque environments in the vicinity of supermassive black holes. In this work, we present 20 MeV - 1 TeV spectra of three Seyfert galaxies whose nuclei are predicted to be active in neutrinos, NGC 4151, NGC 4945 and the Circinus galaxy, using 14.4 yr of the Fermi LAT data. In particular, we find evidence of sub-GeV excess emission that can be attributed to gamma rays from NGC 4945, as was also seen in NGC "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.16089","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/2312.16089/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":"2026-07-05T07:43:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5tSPQ4aiJ3GFZPfuDa1BssVNnQ9GdMF+Oa54+lsnKdzSh43bNDfO7mGxr7DyCFOEp+ZiEQMmKDnndyfBC4Z9Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T05:21:50.808800Z"},"content_sha256":"1038650d952cec9b27483beeb727754888580eaf804eb197cecdba11093f3460","schema_version":"1.0","event_id":"sha256:1038650d952cec9b27483beeb727754888580eaf804eb197cecdba11093f3460"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J7HW4YXZPSZFGY3JYUGVVN36HR/bundle.json","state_url":"https://pith.science/pith/J7HW4YXZPSZFGY3JYUGVVN36HR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J7HW4YXZPSZFGY3JYUGVVN36HR/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":"2026-08-07T05:21:50Z","links":{"resolver":"https://pith.science/pith/J7HW4YXZPSZFGY3JYUGVVN36HR","bundle":"https://pith.science/pith/J7HW4YXZPSZFGY3JYUGVVN36HR/bundle.json","state":"https://pith.science/pith/J7HW4YXZPSZFGY3JYUGVVN36HR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J7HW4YXZPSZFGY3JYUGVVN36HR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:J7HW4YXZPSZFGY3JYUGVVN36HR","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":"89f267f1da77232c13f192c3d56e9569f21e1135b3c0380269f37bf059bd26d7","cross_cats_sorted":["astro-ph.GA","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-12-26T15:27:10Z","title_canon_sha256":"201229fce526ea2f2727705083f20a8213c9c960c0cca01c714fad205f68c413"},"schema_version":"1.0","source":{"id":"2312.16089","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.16089","created_at":"2026-07-05T07:43:59Z"},{"alias_kind":"arxiv_version","alias_value":"2312.16089v2","created_at":"2026-07-05T07:43:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.16089","created_at":"2026-07-05T07:43:59Z"},{"alias_kind":"pith_short_12","alias_value":"J7HW4YXZPSZF","created_at":"2026-07-05T07:43:59Z"},{"alias_kind":"pith_short_16","alias_value":"J7HW4YXZPSZFGY3J","created_at":"2026-07-05T07:43:59Z"},{"alias_kind":"pith_short_8","alias_value":"J7HW4YXZ","created_at":"2026-07-05T07:43:59Z"}],"graph_snapshots":[{"event_id":"sha256:1038650d952cec9b27483beeb727754888580eaf804eb197cecdba11093f3460","target":"graph","created_at":"2026-07-05T07:43:59Z","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/2312.16089/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recent observations of high-energy neutrinos by IceCube and gamma rays by the Fermi Large Area Telescope (LAT) and the MAGIC telescope have suggested that neutrinos are produced in gamma-ray opaque environments in the vicinity of supermassive black holes. In this work, we present 20 MeV - 1 TeV spectra of three Seyfert galaxies whose nuclei are predicted to be active in neutrinos, NGC 4151, NGC 4945 and the Circinus galaxy, using 14.4 yr of the Fermi LAT data. In particular, we find evidence of sub-GeV excess emission that can be attributed to gamma rays from NGC 4945, as was also seen in NGC ","authors_text":"Christopher M. Karwin, Kohta Murase, Marco Ajello, Sara Buson, Shigeo S. Kimura","cross_cats":["astro-ph.GA","hep-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-12-26T15:27:10Z","title":"Sub-GeV Gamma Rays from Nearby Seyfert Galaxies and Implications for Coronal Neutrino Emission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.16089","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:c436780b975ffd69108d25bbb7df1513fd29ce29a9a0ba40901cc75ecb758480","target":"record","created_at":"2026-07-05T07:43:59Z","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":"89f267f1da77232c13f192c3d56e9569f21e1135b3c0380269f37bf059bd26d7","cross_cats_sorted":["astro-ph.GA","hep-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-12-26T15:27:10Z","title_canon_sha256":"201229fce526ea2f2727705083f20a8213c9c960c0cca01c714fad205f68c413"},"schema_version":"1.0","source":{"id":"2312.16089","kind":"arxiv","version":2}},"canonical_sha256":"4fcf6e62f97cb2536369c50d5ab77e3c4e9cc65eb79c557133bbab926a74a435","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4fcf6e62f97cb2536369c50d5ab77e3c4e9cc65eb79c557133bbab926a74a435","first_computed_at":"2026-07-05T07:43:59.328458Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:43:59.328458Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"o9tPEecbQYN7dxVovdx1z6kqfdq9tkPIrMREH1LsgcI1fsri1qqAcsy+HkUCR2aC23D3rwL+xYjpPE0DA6v8Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T07:43:59.328950Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.16089","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c436780b975ffd69108d25bbb7df1513fd29ce29a9a0ba40901cc75ecb758480","sha256:1038650d952cec9b27483beeb727754888580eaf804eb197cecdba11093f3460"],"state_sha256":"c1726d8737e5b887afb1b328e92e68c952d9accdd58cabe8f6f74757989ef99c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M6Cy0TjJr4Qlg9r9UY8Uq6y8yx+A250/hjgGhRy4bHUww0E1nlppF1HGNBacTDwRyKzvQJrstcr8T/O4f9xBDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T05:21:50.815561Z","bundle_sha256":"95f463dbfcb42d2b25afbf6d2f108076d84036e8a81d2a47dc3a042aa63e38c0"}}