{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:EBAMF3QVC5YFIBXR4NOQV44WUR","short_pith_number":"pith:EBAMF3QV","canonical_record":{"source":{"id":"1308.1480","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-07T05:29:36Z","cross_cats_sorted":[],"title_canon_sha256":"9b9618018b3a0703953917af61d02e0f4bc210a92444d92f4193258a2bc4f8c4","abstract_canon_sha256":"4d3cd627d330ab6d65996c80785791967173e01ef683e9613c771fc0e5880968"},"schema_version":"1.0"},"canonical_sha256":"2040c2ee1517705406f1e35d0af396a45fe900089ad4679e59cbef1106711c00","source":{"kind":"arxiv","id":"1308.1480","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.1480","created_at":"2026-05-18T01:48:22Z"},{"alias_kind":"arxiv_version","alias_value":"1308.1480v2","created_at":"2026-05-18T01:48:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.1480","created_at":"2026-05-18T01:48:22Z"},{"alias_kind":"pith_short_12","alias_value":"EBAMF3QVC5YF","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EBAMF3QVC5YFIBXR","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EBAMF3QV","created_at":"2026-05-18T12:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:EBAMF3QVC5YFIBXR4NOQV44WUR","target":"record","payload":{"canonical_record":{"source":{"id":"1308.1480","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-07T05:29:36Z","cross_cats_sorted":[],"title_canon_sha256":"9b9618018b3a0703953917af61d02e0f4bc210a92444d92f4193258a2bc4f8c4","abstract_canon_sha256":"4d3cd627d330ab6d65996c80785791967173e01ef683e9613c771fc0e5880968"},"schema_version":"1.0"},"canonical_sha256":"2040c2ee1517705406f1e35d0af396a45fe900089ad4679e59cbef1106711c00","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:22.838488Z","signature_b64":"wW0K1PfYHN93CKl3svtNoqOi5o4XmH5Ld8s/1BsSBSV1ciWmu+P+QrylWkXGMHOWD99Dd/0Nd5enuOmTs7UuBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2040c2ee1517705406f1e35d0af396a45fe900089ad4679e59cbef1106711c00","last_reissued_at":"2026-05-18T01:48:22.837965Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:22.837965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.1480","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":"2026-05-18T01:48:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vj5drcnW0Iwf55zRtAf/fvL3LER73ABuYNxnUNPvz3+dne7d4QVyScYPDgqCTXR+vnA8a7DILTYDplAkCpfLBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:48:58.461916Z"},"content_sha256":"1fb605c88fa661967cd540fb60aa57ac566de09bbeaad62c3c242f68ac73c665","schema_version":"1.0","event_id":"sha256:1fb605c88fa661967cd540fb60aa57ac566de09bbeaad62c3c242f68ac73c665"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:EBAMF3QVC5YFIBXR4NOQV44WUR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superflares on Solar Type Stars Observed with Kepler I. Statistical Properties of Superflares","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Daisaku Nogami, Hiroyuki Maehara, Kazunari Shibata, Satoshi Honda, Shota Notsu, Takako T. Ishii, Takashi Nagao, Takuya Shibayama, Yuta Notsu","submitted_at":"2013-08-07T05:29:36Z","abstract_excerpt":"By extending our previous study by Maehara et al. (2012), we searched for superflares on G-type dwarfs (solar type stars) using Kepler data for a longer period (500 days) than that (120 days) in our previous study. As a result, we found 1547 superflares on 279 G-type dwarfs, which are much more than previous 365 superflares on 148 stars. Using these new data, we studied the statistical properties of occurrence frequency of superflares, and basically confirmed the previous results, i.e., the occurrence frequency (dN/dE) of superflares vs flare energy (E) shows power-law distribution with dN/dE "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.1480","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":""},"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":"2026-05-18T01:48:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rOOPxnXb4Xd6bvvSOXtBnVAdBjE3SGM0lqlGiQbxrfillFhEfHLN3G5gj08TT/NHx6av1f8PQt/3tr+sRt/HAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:48:58.462339Z"},"content_sha256":"db8cb4ed0c614187450b164e75136b791f32d92e109584202d29f772e2d9cf98","schema_version":"1.0","event_id":"sha256:db8cb4ed0c614187450b164e75136b791f32d92e109584202d29f772e2d9cf98"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EBAMF3QVC5YFIBXR4NOQV44WUR/bundle.json","state_url":"https://pith.science/pith/EBAMF3QVC5YFIBXR4NOQV44WUR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EBAMF3QVC5YFIBXR4NOQV44WUR/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":"2026-05-27T11:48:58Z","links":{"resolver":"https://pith.science/pith/EBAMF3QVC5YFIBXR4NOQV44WUR","bundle":"https://pith.science/pith/EBAMF3QVC5YFIBXR4NOQV44WUR/bundle.json","state":"https://pith.science/pith/EBAMF3QVC5YFIBXR4NOQV44WUR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EBAMF3QVC5YFIBXR4NOQV44WUR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:EBAMF3QVC5YFIBXR4NOQV44WUR","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":"4d3cd627d330ab6d65996c80785791967173e01ef683e9613c771fc0e5880968","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-07T05:29:36Z","title_canon_sha256":"9b9618018b3a0703953917af61d02e0f4bc210a92444d92f4193258a2bc4f8c4"},"schema_version":"1.0","source":{"id":"1308.1480","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.1480","created_at":"2026-05-18T01:48:22Z"},{"alias_kind":"arxiv_version","alias_value":"1308.1480v2","created_at":"2026-05-18T01:48:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.1480","created_at":"2026-05-18T01:48:22Z"},{"alias_kind":"pith_short_12","alias_value":"EBAMF3QVC5YF","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"EBAMF3QVC5YFIBXR","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"EBAMF3QV","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:db8cb4ed0c614187450b164e75136b791f32d92e109584202d29f772e2d9cf98","target":"graph","created_at":"2026-05-18T01:48:22Z","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":"By extending our previous study by Maehara et al. (2012), we searched for superflares on G-type dwarfs (solar type stars) using Kepler data for a longer period (500 days) than that (120 days) in our previous study. As a result, we found 1547 superflares on 279 G-type dwarfs, which are much more than previous 365 superflares on 148 stars. Using these new data, we studied the statistical properties of occurrence frequency of superflares, and basically confirmed the previous results, i.e., the occurrence frequency (dN/dE) of superflares vs flare energy (E) shows power-law distribution with dN/dE ","authors_text":"Daisaku Nogami, Hiroyuki Maehara, Kazunari Shibata, Satoshi Honda, Shota Notsu, Takako T. Ishii, Takashi Nagao, Takuya Shibayama, Yuta Notsu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-07T05:29:36Z","title":"Superflares on Solar Type Stars Observed with Kepler I. Statistical Properties of Superflares"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.1480","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":"sha256:1fb605c88fa661967cd540fb60aa57ac566de09bbeaad62c3c242f68ac73c665","target":"record","created_at":"2026-05-18T01:48:22Z","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":"4d3cd627d330ab6d65996c80785791967173e01ef683e9613c771fc0e5880968","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-08-07T05:29:36Z","title_canon_sha256":"9b9618018b3a0703953917af61d02e0f4bc210a92444d92f4193258a2bc4f8c4"},"schema_version":"1.0","source":{"id":"1308.1480","kind":"arxiv","version":2}},"canonical_sha256":"2040c2ee1517705406f1e35d0af396a45fe900089ad4679e59cbef1106711c00","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2040c2ee1517705406f1e35d0af396a45fe900089ad4679e59cbef1106711c00","first_computed_at":"2026-05-18T01:48:22.837965Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:22.837965Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wW0K1PfYHN93CKl3svtNoqOi5o4XmH5Ld8s/1BsSBSV1ciWmu+P+QrylWkXGMHOWD99Dd/0Nd5enuOmTs7UuBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:22.838488Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.1480","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1fb605c88fa661967cd540fb60aa57ac566de09bbeaad62c3c242f68ac73c665","sha256:db8cb4ed0c614187450b164e75136b791f32d92e109584202d29f772e2d9cf98"],"state_sha256":"ecb446d9bf3871bbe265a0f3cd73f0ff901feb949c82b41e12592e0bb28f917a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I1HJJeCymGslFA/Lm6IJtTNcAo5ZIFqH4RfTjVfTiKgJW8v3WoQf8kh4soZQ40FfKSbkZckavHKiBWylUFCAAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:48:58.464793Z","bundle_sha256":"75d03279f40e05c340731b6fb2558952537f2d516f31003c927870b70cfba210"}}