{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:MTONWSFQAUHAZPDZPUL4JMP62E","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":"9d4417ecced019d60415f1f2f451eef52d6d0525da75004e4b1ea3a1939698b9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2016-07-05T09:36:01Z","title_canon_sha256":"f86430b5b99ba0055502cc44bceb8cf654ae508bb0f509f88f9519b695c12b2c"},"schema_version":"1.0","source":{"id":"1607.01168","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1607.01168","created_at":"2026-05-18T01:09:45Z"},{"alias_kind":"arxiv_version","alias_value":"1607.01168v1","created_at":"2026-05-18T01:09:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1607.01168","created_at":"2026-05-18T01:09:45Z"},{"alias_kind":"pith_short_12","alias_value":"MTONWSFQAUHA","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"MTONWSFQAUHAZPDZ","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"MTONWSFQ","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:f84630feedfd798bc9cdeecf1c488d656b2cac05e9cab0aa5ea97cf52ce2b7e9","target":"graph","created_at":"2026-05-18T01:09:45Z","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 present three eastward-expanding auroral surge (EEAS) events that were observed intermittently at intervals of about 15 min in the post-midnight sector (01:55-02:40 MLT) by all-sky imagers and magnetometers in northern Europe. It was deduced that each surge occurred just after each onset of a multiple-onset substorm, which was small-scale and did not clearly expand westward, because they were observed almost simultaneously with Pi 2 pulsations at the magnetic equator and magnetic bay variations at middle-to-high latitudes associated with the DP-1 current system. The EEASs showed similar pro","authors_text":"Akimasa Yoshikawa, Akira Kadokura, Alexander Kozlovsky, Bj\\\"orn Gustavsson, Carl-Fredrik Enell, Daniel Whiter, Hiroshi Miyaoka, Noora Partamies, Tima Sergienko, Urban Br\\\"andstr\\\"om, Yasunobu Ogawa, Yoshimasa Tanaka","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2016-07-05T09:36:01Z","title":"Eastward-expanding auroral surges observed in the post-midnight sector during a multiple-onset substorm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1607.01168","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":"sha256:7be3207f31a5bd49164928c7ff9a3b2d0e0378f6a1ff12fb87310736fb654ae0","target":"record","created_at":"2026-05-18T01:09:45Z","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":"9d4417ecced019d60415f1f2f451eef52d6d0525da75004e4b1ea3a1939698b9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.space-ph","submitted_at":"2016-07-05T09:36:01Z","title_canon_sha256":"f86430b5b99ba0055502cc44bceb8cf654ae508bb0f509f88f9519b695c12b2c"},"schema_version":"1.0","source":{"id":"1607.01168","kind":"arxiv","version":1}},"canonical_sha256":"64dcdb48b0050e0cbc797d17c4b1fed100662254eca951d1398ee4547646de23","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64dcdb48b0050e0cbc797d17c4b1fed100662254eca951d1398ee4547646de23","first_computed_at":"2026-05-18T01:09:45.102960Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:45.102960Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PJX/KPvptPMZgHD3DULzLQLZkVz88JkVmszW/7xxMlFNE33rS/ldjZ7wM70SujJLy2jSGEeVZU4Bc3tReoatCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:45.103606Z","signed_message":"canonical_sha256_bytes"},"source_id":"1607.01168","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7be3207f31a5bd49164928c7ff9a3b2d0e0378f6a1ff12fb87310736fb654ae0","sha256:f84630feedfd798bc9cdeecf1c488d656b2cac05e9cab0aa5ea97cf52ce2b7e9"],"state_sha256":"1fbee7557cea9a11e58e3c7a0d55809a593b1717e9c4cabe48320e70ef29169d"}