{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:WS6ED3A7IC7YZ3KSW4223ZUSDF","short_pith_number":"pith:WS6ED3A7","canonical_record":{"source":{"id":"2406.06940","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-06-11T04:48:40Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"366810c4d006330a917dd43b2078a39a5ec2dc49a19f3739123a848acc15f848","abstract_canon_sha256":"461622d6308a4a008a4fd7dd9181f5f5f8368d9983739573cdf9cd708005a922"},"schema_version":"1.0"},"canonical_sha256":"b4bc41ec1f40bf8ced52b735ade69219717194014af6afd5206394a90cbbb288","source":{"kind":"arxiv","id":"2406.06940","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.06940","created_at":"2026-07-05T08:30:15Z"},{"alias_kind":"arxiv_version","alias_value":"2406.06940v1","created_at":"2026-07-05T08:30:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.06940","created_at":"2026-07-05T08:30:15Z"},{"alias_kind":"pith_short_12","alias_value":"WS6ED3A7IC7Y","created_at":"2026-07-05T08:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"WS6ED3A7IC7YZ3KS","created_at":"2026-07-05T08:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"WS6ED3A7","created_at":"2026-07-05T08:30:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:WS6ED3A7IC7YZ3KSW4223ZUSDF","target":"record","payload":{"canonical_record":{"source":{"id":"2406.06940","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-06-11T04:48:40Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"366810c4d006330a917dd43b2078a39a5ec2dc49a19f3739123a848acc15f848","abstract_canon_sha256":"461622d6308a4a008a4fd7dd9181f5f5f8368d9983739573cdf9cd708005a922"},"schema_version":"1.0"},"canonical_sha256":"b4bc41ec1f40bf8ced52b735ade69219717194014af6afd5206394a90cbbb288","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:30:15.803350Z","signature_b64":"s8f4kqKaa1hcNVJLxhEGycuV8neXLDzLcrDQK/6RfWPwlA43iSYfL1ZMGUIcZByUOBmtkOmGYj1MMgIjtBePAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b4bc41ec1f40bf8ced52b735ade69219717194014af6afd5206394a90cbbb288","last_reissued_at":"2026-07-05T08:30:15.802883Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:30:15.802883Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.06940","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":"2026-07-05T08:30:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oL93bOnPkhkVCS/HgFrD00RRnAcSKaDkE2LFcbqH+qyVo1shErXCB+JBSGA/ddGaCf808LfCyrYJt0FdKqC3DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T09:02:46.984795Z"},"content_sha256":"dd53a2848341757b58598cd815e7467348a53c62cde4b53e69a3ffcd0939e93c","schema_version":"1.0","event_id":"sha256:dd53a2848341757b58598cd815e7467348a53c62cde4b53e69a3ffcd0939e93c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:WS6ED3A7IC7YZ3KSW4223ZUSDF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High-velocity blue-shifted Fe XXV He$\\alpha$ line during a superflare of the RS CVn-type star IM Peg","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Hiroyuki Uchida, Keith Gendreau, Kenji Hamaguchi, Masahiro Tsujimoto, Miki Kurihara, Shun Inoue, Takeshi Go Tsuru, Teruaki Enoto, Wataru Buz Iwakiri, Yuta Notsu, Zaven Arzoumanian","submitted_at":"2024-06-11T04:48:40Z","abstract_excerpt":"Monitor of All-sky X-ray Image (MAXI) detected a superflare, releasing $5\\times 10^{37}$ erg in 2$-$10 keV, of the RS CVn-type star IM Peg at 10:41 UT on 2023 July 23 with its Gas Slit Camera (GSC; 2$-$30 keV). We conducted X-ray follow-up observations of the superflare with Neutron Star Interior Composition ExploreR (NICER; 0.2$-$12 keV) starting at 16:52 UT on July 23 until 06:00 UT on August 2. NICER X-ray spectra clearly showed emission lines of the Fe XXV He$\\alpha$ and Fe XXVI Ly$\\alpha$ for $\\sim 1.5$ days since the MAXI detection. The Fe XXV He$\\alpha$ line was blue-shifted with its ma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.06940","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/2406.06940/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":"2026-07-05T08:30:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NU4Dxq18hAvV1JR5TyP39t7Eqq/dz4bv7SJ5iDXL98j4bXQ8qaKYZXz8gt0nhL2d1f+Pop+ZB4RtWCGTht3BBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T09:02:46.985635Z"},"content_sha256":"2f7cd136143e9fe3a85f1bda420f5daeb73c8d085346ee9fef38f81db83d9b17","schema_version":"1.0","event_id":"sha256:2f7cd136143e9fe3a85f1bda420f5daeb73c8d085346ee9fef38f81db83d9b17"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF/bundle.json","state_url":"https://pith.science/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF/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":"2026-08-07T09:02:46Z","links":{"resolver":"https://pith.science/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF","bundle":"https://pith.science/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF/bundle.json","state":"https://pith.science/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WS6ED3A7IC7YZ3KSW4223ZUSDF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:WS6ED3A7IC7YZ3KSW4223ZUSDF","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":"461622d6308a4a008a4fd7dd9181f5f5f8368d9983739573cdf9cd708005a922","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-06-11T04:48:40Z","title_canon_sha256":"366810c4d006330a917dd43b2078a39a5ec2dc49a19f3739123a848acc15f848"},"schema_version":"1.0","source":{"id":"2406.06940","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.06940","created_at":"2026-07-05T08:30:15Z"},{"alias_kind":"arxiv_version","alias_value":"2406.06940v1","created_at":"2026-07-05T08:30:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.06940","created_at":"2026-07-05T08:30:15Z"},{"alias_kind":"pith_short_12","alias_value":"WS6ED3A7IC7Y","created_at":"2026-07-05T08:30:15Z"},{"alias_kind":"pith_short_16","alias_value":"WS6ED3A7IC7YZ3KS","created_at":"2026-07-05T08:30:15Z"},{"alias_kind":"pith_short_8","alias_value":"WS6ED3A7","created_at":"2026-07-05T08:30:15Z"}],"graph_snapshots":[{"event_id":"sha256:2f7cd136143e9fe3a85f1bda420f5daeb73c8d085346ee9fef38f81db83d9b17","target":"graph","created_at":"2026-07-05T08:30:15Z","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/2406.06940/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Monitor of All-sky X-ray Image (MAXI) detected a superflare, releasing $5\\times 10^{37}$ erg in 2$-$10 keV, of the RS CVn-type star IM Peg at 10:41 UT on 2023 July 23 with its Gas Slit Camera (GSC; 2$-$30 keV). We conducted X-ray follow-up observations of the superflare with Neutron Star Interior Composition ExploreR (NICER; 0.2$-$12 keV) starting at 16:52 UT on July 23 until 06:00 UT on August 2. NICER X-ray spectra clearly showed emission lines of the Fe XXV He$\\alpha$ and Fe XXVI Ly$\\alpha$ for $\\sim 1.5$ days since the MAXI detection. The Fe XXV He$\\alpha$ line was blue-shifted with its ma","authors_text":"Hiroyuki Uchida, Keith Gendreau, Kenji Hamaguchi, Masahiro Tsujimoto, Miki Kurihara, Shun Inoue, Takeshi Go Tsuru, Teruaki Enoto, Wataru Buz Iwakiri, Yuta Notsu, Zaven Arzoumanian","cross_cats":["astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-06-11T04:48:40Z","title":"High-velocity blue-shifted Fe XXV He$\\alpha$ line during a superflare of the RS CVn-type star IM Peg"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.06940","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:dd53a2848341757b58598cd815e7467348a53c62cde4b53e69a3ffcd0939e93c","target":"record","created_at":"2026-07-05T08:30:15Z","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":"461622d6308a4a008a4fd7dd9181f5f5f8368d9983739573cdf9cd708005a922","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-06-11T04:48:40Z","title_canon_sha256":"366810c4d006330a917dd43b2078a39a5ec2dc49a19f3739123a848acc15f848"},"schema_version":"1.0","source":{"id":"2406.06940","kind":"arxiv","version":1}},"canonical_sha256":"b4bc41ec1f40bf8ced52b735ade69219717194014af6afd5206394a90cbbb288","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b4bc41ec1f40bf8ced52b735ade69219717194014af6afd5206394a90cbbb288","first_computed_at":"2026-07-05T08:30:15.802883Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:30:15.802883Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s8f4kqKaa1hcNVJLxhEGycuV8neXLDzLcrDQK/6RfWPwlA43iSYfL1ZMGUIcZByUOBmtkOmGYj1MMgIjtBePAw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:30:15.803350Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.06940","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd53a2848341757b58598cd815e7467348a53c62cde4b53e69a3ffcd0939e93c","sha256:2f7cd136143e9fe3a85f1bda420f5daeb73c8d085346ee9fef38f81db83d9b17"],"state_sha256":"0cf3265a0a494642e131dc1c876cc584b49420e0c6c96c746589b39710040081"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1PIjQuJ7YIjxut0l+0Jv1cuoH9Bu9D14+T9PTqmm+MujOU/eWGPLjyVBMWH6N8/Sm1dhm7Xf90tZeARyIAg0BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T09:02:46.992893Z","bundle_sha256":"961d461ee239b2f1c37da689e59b5d7209515314957ca24fe3da5afd03f858d9"}}