{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:34AC54WPSZMNFW5D4IZAJMBTSX","short_pith_number":"pith:34AC54WP","canonical_record":{"source":{"id":"1707.05580","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.TR","submitted_at":"2017-07-18T12:13:30Z","cross_cats_sorted":["physics.data-an","physics.soc-ph","q-fin.EC"],"title_canon_sha256":"448a4fc9fdf0bca35347c0e844ef49678dc0be215334d0c54add99306a53b691","abstract_canon_sha256":"a1c1969a4706a73dfb624e482e91599738b9ae830ae480d822410f45584c11b6"},"schema_version":"1.0"},"canonical_sha256":"df002ef2cf9658d2dba3e23204b03395c62addc998becc86d68d7bc67cf7e9fc","source":{"kind":"arxiv","id":"1707.05580","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.05580","created_at":"2026-05-18T00:11:43Z"},{"alias_kind":"arxiv_version","alias_value":"1707.05580v1","created_at":"2026-05-18T00:11:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.05580","created_at":"2026-05-18T00:11:43Z"},{"alias_kind":"pith_short_12","alias_value":"34AC54WPSZMN","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"34AC54WPSZMNFW5D","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"34AC54WP","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:34AC54WPSZMNFW5D4IZAJMBTSX","target":"record","payload":{"canonical_record":{"source":{"id":"1707.05580","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.TR","submitted_at":"2017-07-18T12:13:30Z","cross_cats_sorted":["physics.data-an","physics.soc-ph","q-fin.EC"],"title_canon_sha256":"448a4fc9fdf0bca35347c0e844ef49678dc0be215334d0c54add99306a53b691","abstract_canon_sha256":"a1c1969a4706a73dfb624e482e91599738b9ae830ae480d822410f45584c11b6"},"schema_version":"1.0"},"canonical_sha256":"df002ef2cf9658d2dba3e23204b03395c62addc998becc86d68d7bc67cf7e9fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:43.207813Z","signature_b64":"YjwC3w4LP0uXfhk95H53cZ5fT5n6y7L7biO76W8qUFJzSVoFctvEVYrZXRXu08P8i9LZYNo/pMKx7ysyEnxVBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"df002ef2cf9658d2dba3e23204b03395c62addc998becc86d68d7bc67cf7e9fc","last_reissued_at":"2026-05-18T00:11:43.207229Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:43.207229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.05580","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":"2026-05-18T00:11:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jLpd6abXKNi5mn5fSYbPWws0CO3/Odow+mp/JWwZICSrb43DVqruz6pSkWKg9DnWZjVcAfbd5evoNA/R12HJAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T21:28:57.943986Z"},"content_sha256":"a4c5e8725089eafc6358c94bc4228aee6fa3024ce49d576837a0d409e60e6520","schema_version":"1.0","event_id":"sha256:a4c5e8725089eafc6358c94bc4228aee6fa3024ce49d576837a0d409e60e6520"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:34AC54WPSZMNFW5D4IZAJMBTSX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Impact and Recovery Process of Mini Flash Crashes: An Empirical Study","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.data-an","physics.soc-ph","q-fin.EC"],"primary_cat":"q-fin.TR","authors_text":"Daniel C. Wagner, Jonas A. Fiegen, Sebastian M. Krause, Thomas Guhr, Tobias Braun","submitted_at":"2017-07-18T12:13:30Z","abstract_excerpt":"In an Ultrafast Extreme Event (or Mini Flash Crash), the price of a traded stock increases or decreases strongly within milliseconds. We present a detailed study of Ultrafast Extreme Events in stock market data. In contrast to popular belief, our analysis suggests that most of the Ultrafast Extreme Events are not primarily due to High Frequency Trading. In at least 60 percent of the observed Ultrafast Extreme Events, the main cause for the events are large market orders. In times of financial crisis, large market orders are more likely which can be linked to the significant increase of Ultrafa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.05580","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":"2026-05-18T00:11:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+bNheE0g7azOsLP4ZDdq4Zmukiwm8nV45coJu/Hds9XqB7iH4/TiM/uZiluNZWdkZ/3R3WqVwAtN/Vc4AyZnCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T21:28:57.944562Z"},"content_sha256":"b132f6dee87b36b40380d841763f199582309d54d9e71500827a67a205cc9640","schema_version":"1.0","event_id":"sha256:b132f6dee87b36b40380d841763f199582309d54d9e71500827a67a205cc9640"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/34AC54WPSZMNFW5D4IZAJMBTSX/bundle.json","state_url":"https://pith.science/pith/34AC54WPSZMNFW5D4IZAJMBTSX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/34AC54WPSZMNFW5D4IZAJMBTSX/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":"2026-06-05T21:28:57Z","links":{"resolver":"https://pith.science/pith/34AC54WPSZMNFW5D4IZAJMBTSX","bundle":"https://pith.science/pith/34AC54WPSZMNFW5D4IZAJMBTSX/bundle.json","state":"https://pith.science/pith/34AC54WPSZMNFW5D4IZAJMBTSX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/34AC54WPSZMNFW5D4IZAJMBTSX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:34AC54WPSZMNFW5D4IZAJMBTSX","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":"a1c1969a4706a73dfb624e482e91599738b9ae830ae480d822410f45584c11b6","cross_cats_sorted":["physics.data-an","physics.soc-ph","q-fin.EC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.TR","submitted_at":"2017-07-18T12:13:30Z","title_canon_sha256":"448a4fc9fdf0bca35347c0e844ef49678dc0be215334d0c54add99306a53b691"},"schema_version":"1.0","source":{"id":"1707.05580","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.05580","created_at":"2026-05-18T00:11:43Z"},{"alias_kind":"arxiv_version","alias_value":"1707.05580v1","created_at":"2026-05-18T00:11:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.05580","created_at":"2026-05-18T00:11:43Z"},{"alias_kind":"pith_short_12","alias_value":"34AC54WPSZMN","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"34AC54WPSZMNFW5D","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"34AC54WP","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:b132f6dee87b36b40380d841763f199582309d54d9e71500827a67a205cc9640","target":"graph","created_at":"2026-05-18T00:11:43Z","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":"In an Ultrafast Extreme Event (or Mini Flash Crash), the price of a traded stock increases or decreases strongly within milliseconds. We present a detailed study of Ultrafast Extreme Events in stock market data. In contrast to popular belief, our analysis suggests that most of the Ultrafast Extreme Events are not primarily due to High Frequency Trading. In at least 60 percent of the observed Ultrafast Extreme Events, the main cause for the events are large market orders. In times of financial crisis, large market orders are more likely which can be linked to the significant increase of Ultrafa","authors_text":"Daniel C. Wagner, Jonas A. Fiegen, Sebastian M. Krause, Thomas Guhr, Tobias Braun","cross_cats":["physics.data-an","physics.soc-ph","q-fin.EC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.TR","submitted_at":"2017-07-18T12:13:30Z","title":"Impact and Recovery Process of Mini Flash Crashes: An Empirical Study"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.05580","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:a4c5e8725089eafc6358c94bc4228aee6fa3024ce49d576837a0d409e60e6520","target":"record","created_at":"2026-05-18T00:11:43Z","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":"a1c1969a4706a73dfb624e482e91599738b9ae830ae480d822410f45584c11b6","cross_cats_sorted":["physics.data-an","physics.soc-ph","q-fin.EC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.TR","submitted_at":"2017-07-18T12:13:30Z","title_canon_sha256":"448a4fc9fdf0bca35347c0e844ef49678dc0be215334d0c54add99306a53b691"},"schema_version":"1.0","source":{"id":"1707.05580","kind":"arxiv","version":1}},"canonical_sha256":"df002ef2cf9658d2dba3e23204b03395c62addc998becc86d68d7bc67cf7e9fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"df002ef2cf9658d2dba3e23204b03395c62addc998becc86d68d7bc67cf7e9fc","first_computed_at":"2026-05-18T00:11:43.207229Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:11:43.207229Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YjwC3w4LP0uXfhk95H53cZ5fT5n6y7L7biO76W8qUFJzSVoFctvEVYrZXRXu08P8i9LZYNo/pMKx7ysyEnxVBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:11:43.207813Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.05580","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a4c5e8725089eafc6358c94bc4228aee6fa3024ce49d576837a0d409e60e6520","sha256:b132f6dee87b36b40380d841763f199582309d54d9e71500827a67a205cc9640"],"state_sha256":"9c29fbbd7138d6e336ba955506fb93f6b857719847cde33a67a45bf0f65dfcf2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l8xJHETYUAVtmx+Jivd1htoEisUAfFQ+8uwuZ3wrWCIHLTbxf/VZu9+e237zyAoEWPZsN2lfVdwvIvlt5DSoAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T21:28:57.946760Z","bundle_sha256":"3266b0c660d66b32060c14c2e8e9f9ee65cd113e3df76746a8f8457c9f51e985"}}