{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:VS3GPYD5LOSCZNX6EGPHGCHDDS","short_pith_number":"pith:VS3GPYD5","canonical_record":{"source":{"id":"1605.04216","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-13T15:37:19Z","cross_cats_sorted":[],"title_canon_sha256":"627dc2a3457060171c6f20e49a5a1e01750902cb046c6ff4416ab4e63c3faae5","abstract_canon_sha256":"affef83ef71ff83476c7ead2ba9393eb666b53044d955cb4ccf825af55f22f3a"},"schema_version":"1.0"},"canonical_sha256":"acb667e07d5ba42cb6fe219e7308e31ca46482069efff721c4fcbb6ca27944af","source":{"kind":"arxiv","id":"1605.04216","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.04216","created_at":"2026-05-18T01:10:03Z"},{"alias_kind":"arxiv_version","alias_value":"1605.04216v1","created_at":"2026-05-18T01:10:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.04216","created_at":"2026-05-18T01:10:03Z"},{"alias_kind":"pith_short_12","alias_value":"VS3GPYD5LOSC","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VS3GPYD5LOSCZNX6","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VS3GPYD5","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:VS3GPYD5LOSCZNX6EGPHGCHDDS","target":"record","payload":{"canonical_record":{"source":{"id":"1605.04216","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-13T15:37:19Z","cross_cats_sorted":[],"title_canon_sha256":"627dc2a3457060171c6f20e49a5a1e01750902cb046c6ff4416ab4e63c3faae5","abstract_canon_sha256":"affef83ef71ff83476c7ead2ba9393eb666b53044d955cb4ccf825af55f22f3a"},"schema_version":"1.0"},"canonical_sha256":"acb667e07d5ba42cb6fe219e7308e31ca46482069efff721c4fcbb6ca27944af","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:03.113297Z","signature_b64":"81bGHGn+qpYCgDX3EAS/NE0ZipXG4u4ctVZkA+sXm9UZbfDEyxaGY9biVimy0db+TI9KWwg57RpnCQQZkUYvBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"acb667e07d5ba42cb6fe219e7308e31ca46482069efff721c4fcbb6ca27944af","last_reissued_at":"2026-05-18T01:10:03.112808Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:03.112808Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.04216","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":"2026-05-18T01:10:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CKGk6pMeQJydcMBbruRa74V1Y6zi2eqYcpqXxOiRvkw1QUSbtT+NouY80UUYwxIB7y0SVUx59DzJNli3IvjYDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:56:02.600443Z"},"content_sha256":"4ef5c36f7bcf88b12992647aec5388bf64081279c6404b126ab442940277c0af","schema_version":"1.0","event_id":"sha256:4ef5c36f7bcf88b12992647aec5388bf64081279c6404b126ab442940277c0af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:VS3GPYD5LOSCZNX6EGPHGCHDDS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fermi LAT Gamma-ray Detections of Classical Novae V1369 Centauri 2013 and V5668 Sagittarii 2015","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"C.C. Cheung, D.L. Wood, F. Longo, G. Pivato, J. Knodlseder, K.S. Wood, L. Stawarz, P. Jean, R. Desiante, R.H.D. Corbet, S.N. Shore, S. Starrfield","submitted_at":"2016-05-13T15:37:19Z","abstract_excerpt":"We report the Fermi Large Area Telescope (LAT) detections of high-energy (>100 MeV) gamma-ray emission from two recent optically bright classical novae, V1369 Centauri 2013 and V5668 Sagittarii 2015. At early times, Fermi target-of-opportunity observations prompted by their optical discoveries provided enhanced LAT exposure that enabled the detections of gamma-ray onsets beginning ~2 days after their first optical peaks. Significant gamma-ray emission was found extending to 39-55 days after their initial LAT detections, with systematically fainter and longer duration emission compared to previ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.04216","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":""},"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":"2026-05-18T01:10:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UVVWygota9aRDgs04DoefcBftlzxIoKaAcJlH0ExWl9mbFnlOMyGgjJ80uA0T4UJUGjW0sP0xQAdArvceS7LDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:56:02.601197Z"},"content_sha256":"915d9f7163180b8af8d8e31fbc40beb7b0e8fa28fdcce8c29361f6520acfa370","schema_version":"1.0","event_id":"sha256:915d9f7163180b8af8d8e31fbc40beb7b0e8fa28fdcce8c29361f6520acfa370"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VS3GPYD5LOSCZNX6EGPHGCHDDS/bundle.json","state_url":"https://pith.science/pith/VS3GPYD5LOSCZNX6EGPHGCHDDS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VS3GPYD5LOSCZNX6EGPHGCHDDS/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":"2026-05-31T02:56:02Z","links":{"resolver":"https://pith.science/pith/VS3GPYD5LOSCZNX6EGPHGCHDDS","bundle":"https://pith.science/pith/VS3GPYD5LOSCZNX6EGPHGCHDDS/bundle.json","state":"https://pith.science/pith/VS3GPYD5LOSCZNX6EGPHGCHDDS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VS3GPYD5LOSCZNX6EGPHGCHDDS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:VS3GPYD5LOSCZNX6EGPHGCHDDS","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":"affef83ef71ff83476c7ead2ba9393eb666b53044d955cb4ccf825af55f22f3a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-13T15:37:19Z","title_canon_sha256":"627dc2a3457060171c6f20e49a5a1e01750902cb046c6ff4416ab4e63c3faae5"},"schema_version":"1.0","source":{"id":"1605.04216","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.04216","created_at":"2026-05-18T01:10:03Z"},{"alias_kind":"arxiv_version","alias_value":"1605.04216v1","created_at":"2026-05-18T01:10:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.04216","created_at":"2026-05-18T01:10:03Z"},{"alias_kind":"pith_short_12","alias_value":"VS3GPYD5LOSC","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VS3GPYD5LOSCZNX6","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VS3GPYD5","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:915d9f7163180b8af8d8e31fbc40beb7b0e8fa28fdcce8c29361f6520acfa370","target":"graph","created_at":"2026-05-18T01:10:03Z","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"},"paper":{"abstract_excerpt":"We report the Fermi Large Area Telescope (LAT) detections of high-energy (>100 MeV) gamma-ray emission from two recent optically bright classical novae, V1369 Centauri 2013 and V5668 Sagittarii 2015. At early times, Fermi target-of-opportunity observations prompted by their optical discoveries provided enhanced LAT exposure that enabled the detections of gamma-ray onsets beginning ~2 days after their first optical peaks. Significant gamma-ray emission was found extending to 39-55 days after their initial LAT detections, with systematically fainter and longer duration emission compared to previ","authors_text":"C.C. Cheung, D.L. Wood, F. Longo, G. Pivato, J. Knodlseder, K.S. Wood, L. Stawarz, P. Jean, R. Desiante, R.H.D. Corbet, S.N. Shore, S. Starrfield","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-13T15:37:19Z","title":"Fermi LAT Gamma-ray Detections of Classical Novae V1369 Centauri 2013 and V5668 Sagittarii 2015"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.04216","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":"sha256:4ef5c36f7bcf88b12992647aec5388bf64081279c6404b126ab442940277c0af","target":"record","created_at":"2026-05-18T01:10:03Z","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":"affef83ef71ff83476c7ead2ba9393eb666b53044d955cb4ccf825af55f22f3a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-13T15:37:19Z","title_canon_sha256":"627dc2a3457060171c6f20e49a5a1e01750902cb046c6ff4416ab4e63c3faae5"},"schema_version":"1.0","source":{"id":"1605.04216","kind":"arxiv","version":1}},"canonical_sha256":"acb667e07d5ba42cb6fe219e7308e31ca46482069efff721c4fcbb6ca27944af","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"acb667e07d5ba42cb6fe219e7308e31ca46482069efff721c4fcbb6ca27944af","first_computed_at":"2026-05-18T01:10:03.112808Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:03.112808Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"81bGHGn+qpYCgDX3EAS/NE0ZipXG4u4ctVZkA+sXm9UZbfDEyxaGY9biVimy0db+TI9KWwg57RpnCQQZkUYvBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:03.113297Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.04216","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4ef5c36f7bcf88b12992647aec5388bf64081279c6404b126ab442940277c0af","sha256:915d9f7163180b8af8d8e31fbc40beb7b0e8fa28fdcce8c29361f6520acfa370"],"state_sha256":"a98c63cec573871544fb9041acd3a45674399a1c3cdf5c60481e60d756e8dab2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rBJiUJbnq5wiJy0r0qA/ry38jI6AqatmlZ3UmhuvbNyY21/27oLmYuF9FvEXTsTaobzen+vx1T1y6/dv8TKaBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T02:56:02.605444Z","bundle_sha256":"b99f003a5f811cc26baee7cc93802bcd74149a97825787f74922095122ae7066"}}