{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:VGUJUOUETWIHKTWMQ44RVCPDTH","short_pith_number":"pith:VGUJUOUE","canonical_record":{"source":{"id":"1609.02713","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-09-09T09:14:13Z","cross_cats_sorted":[],"title_canon_sha256":"e82a5a9a99607165c7b890d1ae90ec8db10c9b6c420eac09386c4946b1a2984d","abstract_canon_sha256":"3bf51a2ffa47840012ad7452a1b7c32ba9c368f58ab99c305bc64e6c32e6593d"},"schema_version":"1.0"},"canonical_sha256":"a9a89a3a849d90754ecc87391a89e399d5596664dba1c0b54b2f0ab325a7b92a","source":{"kind":"arxiv","id":"1609.02713","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.02713","created_at":"2026-05-18T01:03:40Z"},{"alias_kind":"arxiv_version","alias_value":"1609.02713v1","created_at":"2026-05-18T01:03:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.02713","created_at":"2026-05-18T01:03:40Z"},{"alias_kind":"pith_short_12","alias_value":"VGUJUOUETWIH","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VGUJUOUETWIHKTWM","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VGUJUOUE","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:VGUJUOUETWIHKTWMQ44RVCPDTH","target":"record","payload":{"canonical_record":{"source":{"id":"1609.02713","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-09-09T09:14:13Z","cross_cats_sorted":[],"title_canon_sha256":"e82a5a9a99607165c7b890d1ae90ec8db10c9b6c420eac09386c4946b1a2984d","abstract_canon_sha256":"3bf51a2ffa47840012ad7452a1b7c32ba9c368f58ab99c305bc64e6c32e6593d"},"schema_version":"1.0"},"canonical_sha256":"a9a89a3a849d90754ecc87391a89e399d5596664dba1c0b54b2f0ab325a7b92a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:40.416925Z","signature_b64":"c8JgiL0nMiot/f90pQhu6CSb3BD3hKJSjj+d5eqrzItMW/xtRx7C4eAhJyukE/1+av/qODFCGZ+4ZdW9PlNUCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9a89a3a849d90754ecc87391a89e399d5596664dba1c0b54b2f0ab325a7b92a","last_reissued_at":"2026-05-18T01:03:40.416538Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:40.416538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.02713","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":"2026-05-18T01:03:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CS4a57AkWiw+32+vd/hw18GMyXiulHQyaavOzOBzioFPTLzq3Oeid0fla3dph8l3CsFGtxilGXr697RCWP/zAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:57:00.603095Z"},"content_sha256":"dc2976af0be3d01dfd840776d1b6298fd36f3fd46a68693288c83ab979abec69","schema_version":"1.0","event_id":"sha256:dc2976af0be3d01dfd840776d1b6298fd36f3fd46a68693288c83ab979abec69"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:VGUJUOUETWIHKTWMQ44RVCPDTH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Investigating Energetic X-Shaped Flares on the Outskirts of A Solar Active Region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Jun Chen, Kai Liu, Rui Liu, Yuming Wang","submitted_at":"2016-09-09T09:14:13Z","abstract_excerpt":"Typical solar flares display two quasi-parallel, bright ribbons on the chromosphere. In between is the polarity inversion line (PIL) separating concentrated magnetic fluxes of opposite polarity in active regions (ARs). Intriguingly a series of flares exhibiting X-shaped ribbons occurred at the similar location on the outskirts of NOAA AR 11967, where magnetic fluxes were scattered, yet three of them were alarmingly energetic. The X shape, whose center coincided with hard X-ray emission, was similar in UV/EUV, which cannot be accommodated in the standard flare model. Mapping out magnetic connec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.02713","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":"2026-05-18T01:03:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DH7ZHrt847x6YXbXwwr92ZZG7mGVBEwx8+txXfGPZz8WG7vaqbWdsbA7NwWossqpH4dgxPD/C/0/S/v7CW3eCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T03:57:00.603464Z"},"content_sha256":"df273434fd7c9612956c488b7f12bd4dc82a9fc827464705f7d75717c0404df1","schema_version":"1.0","event_id":"sha256:df273434fd7c9612956c488b7f12bd4dc82a9fc827464705f7d75717c0404df1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VGUJUOUETWIHKTWMQ44RVCPDTH/bundle.json","state_url":"https://pith.science/pith/VGUJUOUETWIHKTWMQ44RVCPDTH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VGUJUOUETWIHKTWMQ44RVCPDTH/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":"2026-05-31T03:57:00Z","links":{"resolver":"https://pith.science/pith/VGUJUOUETWIHKTWMQ44RVCPDTH","bundle":"https://pith.science/pith/VGUJUOUETWIHKTWMQ44RVCPDTH/bundle.json","state":"https://pith.science/pith/VGUJUOUETWIHKTWMQ44RVCPDTH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VGUJUOUETWIHKTWMQ44RVCPDTH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:VGUJUOUETWIHKTWMQ44RVCPDTH","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":"3bf51a2ffa47840012ad7452a1b7c32ba9c368f58ab99c305bc64e6c32e6593d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-09-09T09:14:13Z","title_canon_sha256":"e82a5a9a99607165c7b890d1ae90ec8db10c9b6c420eac09386c4946b1a2984d"},"schema_version":"1.0","source":{"id":"1609.02713","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.02713","created_at":"2026-05-18T01:03:40Z"},{"alias_kind":"arxiv_version","alias_value":"1609.02713v1","created_at":"2026-05-18T01:03:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.02713","created_at":"2026-05-18T01:03:40Z"},{"alias_kind":"pith_short_12","alias_value":"VGUJUOUETWIH","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VGUJUOUETWIHKTWM","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VGUJUOUE","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:df273434fd7c9612956c488b7f12bd4dc82a9fc827464705f7d75717c0404df1","target":"graph","created_at":"2026-05-18T01:03:40Z","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":"Typical solar flares display two quasi-parallel, bright ribbons on the chromosphere. In between is the polarity inversion line (PIL) separating concentrated magnetic fluxes of opposite polarity in active regions (ARs). Intriguingly a series of flares exhibiting X-shaped ribbons occurred at the similar location on the outskirts of NOAA AR 11967, where magnetic fluxes were scattered, yet three of them were alarmingly energetic. The X shape, whose center coincided with hard X-ray emission, was similar in UV/EUV, which cannot be accommodated in the standard flare model. Mapping out magnetic connec","authors_text":"Jun Chen, Kai Liu, Rui Liu, Yuming Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-09-09T09:14:13Z","title":"Investigating Energetic X-Shaped Flares on the Outskirts of A Solar Active Region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.02713","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:dc2976af0be3d01dfd840776d1b6298fd36f3fd46a68693288c83ab979abec69","target":"record","created_at":"2026-05-18T01:03:40Z","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":"3bf51a2ffa47840012ad7452a1b7c32ba9c368f58ab99c305bc64e6c32e6593d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-09-09T09:14:13Z","title_canon_sha256":"e82a5a9a99607165c7b890d1ae90ec8db10c9b6c420eac09386c4946b1a2984d"},"schema_version":"1.0","source":{"id":"1609.02713","kind":"arxiv","version":1}},"canonical_sha256":"a9a89a3a849d90754ecc87391a89e399d5596664dba1c0b54b2f0ab325a7b92a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a9a89a3a849d90754ecc87391a89e399d5596664dba1c0b54b2f0ab325a7b92a","first_computed_at":"2026-05-18T01:03:40.416538Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:40.416538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c8JgiL0nMiot/f90pQhu6CSb3BD3hKJSjj+d5eqrzItMW/xtRx7C4eAhJyukE/1+av/qODFCGZ+4ZdW9PlNUCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:40.416925Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.02713","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc2976af0be3d01dfd840776d1b6298fd36f3fd46a68693288c83ab979abec69","sha256:df273434fd7c9612956c488b7f12bd4dc82a9fc827464705f7d75717c0404df1"],"state_sha256":"e89bcd36617f348013058a9e76358e28a8b2dedb59b05fb20a3f532ac88e63bb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QG7oOfuWoCNinouVnV7adxvwK1BX0TrZpErThVa9j62dut2hee6twsriXsdcSI+3NcB6ZYpaPEbusHhV00GWDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T03:57:00.605515Z","bundle_sha256":"634b80fdb8890e8ad20a6e988d5fad926f655490489e359ffe45d45727303fc7"}}