{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:UAJKFNYUVUG7GLDKCPV45W4H5X","short_pith_number":"pith:UAJKFNYU","canonical_record":{"source":{"id":"2608.13096","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-08-13T11:01:56Z","cross_cats_sorted":["cs.CE","q-fin.CP","q-fin.TR"],"title_canon_sha256":"6881814fb741981a5098ed7e59d90e62a08c56f3d076f2dc2235659f31d2092b","abstract_canon_sha256":"69a3ee72d3ab1c162b57c9e5fdd580aa0210d57ea4b608f7d215c06026fa0918"},"schema_version":"1.0"},"canonical_sha256":"a012a2b714ad0df32c6a13ebcedb87ede8c2a60a284cb18224f0b7a8c8854f7d","source":{"kind":"arxiv","id":"2608.13096","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.13096","created_at":"2026-08-14T01:00:20Z"},{"alias_kind":"arxiv_version","alias_value":"2608.13096v1","created_at":"2026-08-14T01:00:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.13096","created_at":"2026-08-14T01:00:20Z"},{"alias_kind":"pith_short_12","alias_value":"UAJKFNYUVUG7","created_at":"2026-08-14T01:00:20Z"},{"alias_kind":"pith_short_16","alias_value":"UAJKFNYUVUG7GLDK","created_at":"2026-08-14T01:00:20Z"},{"alias_kind":"pith_short_8","alias_value":"UAJKFNYU","created_at":"2026-08-14T01:00:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:UAJKFNYUVUG7GLDKCPV45W4H5X","target":"record","payload":{"canonical_record":{"source":{"id":"2608.13096","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-08-13T11:01:56Z","cross_cats_sorted":["cs.CE","q-fin.CP","q-fin.TR"],"title_canon_sha256":"6881814fb741981a5098ed7e59d90e62a08c56f3d076f2dc2235659f31d2092b","abstract_canon_sha256":"69a3ee72d3ab1c162b57c9e5fdd580aa0210d57ea4b608f7d215c06026fa0918"},"schema_version":"1.0"},"canonical_sha256":"a012a2b714ad0df32c6a13ebcedb87ede8c2a60a284cb18224f0b7a8c8854f7d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-14T01:00:20.996951Z","signature_b64":"N5w+7YA62t/5JpDF4Z06I/mKcB8ds5psCf82KFisuIE8xTs3qyiiT1dwthjYtD6kFVQU1bgyQziDxvrIT1OaAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a012a2b714ad0df32c6a13ebcedb87ede8c2a60a284cb18224f0b7a8c8854f7d","last_reissued_at":"2026-08-14T01:00:20.994872Z","signature_status":"signed_v1","first_computed_at":"2026-08-14T01:00:20.994872Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.13096","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":"2026-08-14T01:00:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VwQrXkJLxtIb3qM/AkQubGSqiLmEx1TMH+JxAkTtX6Of9oplUlWFblChcCLcDxBOgYXYYeKDUHwQE6IFI7QuBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T05:51:40.377783Z"},"content_sha256":"72a752a1e7eda3eef1b7fb17d63892819d8a5ef08586872f1ccbb0c912a3faff","schema_version":"1.0","event_id":"sha256:72a752a1e7eda3eef1b7fb17d63892819d8a5ef08586872f1ccbb0c912a3faff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:UAJKFNYUVUG7GLDKCPV45W4H5X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"FlowLOB: Efficient and Controllable Limit Order Book Generation with Flow Matching","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CE","q-fin.CP","q-fin.TR"],"primary_cat":"cs.LG","authors_text":"Andreea Bacalum, Carmine Ventre, Namid Stillman, Ollie Olby, Zhuohan Wang","submitted_at":"2026-08-13T11:01:56Z","abstract_excerpt":"Limit order book (LOB) simulators are most useful to practitioners when they combine realistic market dynamics, computationally efficient sampling, controllable scenario generation, and the ability to generalize beyond the instruments seen during training---properties that existing agent-based and deep generative simulators provide only partially. We present \\textbf{FlowLOB}, a conditional \\textbf{flow}-matching generator of \\textbf{LOB} trajectories, trained on multiple Hong Kong Exchange (HKEX) symbols at three sampling frequencies ($0.1$s, $1$s, $10$s) in tick-relative representation that t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.13096","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/2608.13096/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":"2026-08-14T01:00:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JpQSnXi9Qd2/aOJW0Btr4Ut1JzsfATaCz7x3K3FTgDXTc9WlVnY0OtyInLUmphkbL2a3V6/LajhuIAcDlEEnAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T05:51:40.378288Z"},"content_sha256":"5ecf3266efbd585a53522334f88c0792c813f7e962bb57077fd215b7defe524a","schema_version":"1.0","event_id":"sha256:5ecf3266efbd585a53522334f88c0792c813f7e962bb57077fd215b7defe524a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UAJKFNYUVUG7GLDKCPV45W4H5X/bundle.json","state_url":"https://pith.science/pith/UAJKFNYUVUG7GLDKCPV45W4H5X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UAJKFNYUVUG7GLDKCPV45W4H5X/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":"2026-08-16T05:51:40Z","links":{"resolver":"https://pith.science/pith/UAJKFNYUVUG7GLDKCPV45W4H5X","bundle":"https://pith.science/pith/UAJKFNYUVUG7GLDKCPV45W4H5X/bundle.json","state":"https://pith.science/pith/UAJKFNYUVUG7GLDKCPV45W4H5X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UAJKFNYUVUG7GLDKCPV45W4H5X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:UAJKFNYUVUG7GLDKCPV45W4H5X","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":"69a3ee72d3ab1c162b57c9e5fdd580aa0210d57ea4b608f7d215c06026fa0918","cross_cats_sorted":["cs.CE","q-fin.CP","q-fin.TR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-08-13T11:01:56Z","title_canon_sha256":"6881814fb741981a5098ed7e59d90e62a08c56f3d076f2dc2235659f31d2092b"},"schema_version":"1.0","source":{"id":"2608.13096","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.13096","created_at":"2026-08-14T01:00:20Z"},{"alias_kind":"arxiv_version","alias_value":"2608.13096v1","created_at":"2026-08-14T01:00:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.13096","created_at":"2026-08-14T01:00:20Z"},{"alias_kind":"pith_short_12","alias_value":"UAJKFNYUVUG7","created_at":"2026-08-14T01:00:20Z"},{"alias_kind":"pith_short_16","alias_value":"UAJKFNYUVUG7GLDK","created_at":"2026-08-14T01:00:20Z"},{"alias_kind":"pith_short_8","alias_value":"UAJKFNYU","created_at":"2026-08-14T01:00:20Z"}],"graph_snapshots":[{"event_id":"sha256:5ecf3266efbd585a53522334f88c0792c813f7e962bb57077fd215b7defe524a","target":"graph","created_at":"2026-08-14T01:00:20Z","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/2608.13096/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Limit order book (LOB) simulators are most useful to practitioners when they combine realistic market dynamics, computationally efficient sampling, controllable scenario generation, and the ability to generalize beyond the instruments seen during training---properties that existing agent-based and deep generative simulators provide only partially. We present \\textbf{FlowLOB}, a conditional \\textbf{flow}-matching generator of \\textbf{LOB} trajectories, trained on multiple Hong Kong Exchange (HKEX) symbols at three sampling frequencies ($0.1$s, $1$s, $10$s) in tick-relative representation that t","authors_text":"Andreea Bacalum, Carmine Ventre, Namid Stillman, Ollie Olby, Zhuohan Wang","cross_cats":["cs.CE","q-fin.CP","q-fin.TR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-08-13T11:01:56Z","title":"FlowLOB: Efficient and Controllable Limit Order Book Generation with Flow Matching"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.13096","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":"sha256:72a752a1e7eda3eef1b7fb17d63892819d8a5ef08586872f1ccbb0c912a3faff","target":"record","created_at":"2026-08-14T01:00:20Z","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":"69a3ee72d3ab1c162b57c9e5fdd580aa0210d57ea4b608f7d215c06026fa0918","cross_cats_sorted":["cs.CE","q-fin.CP","q-fin.TR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-08-13T11:01:56Z","title_canon_sha256":"6881814fb741981a5098ed7e59d90e62a08c56f3d076f2dc2235659f31d2092b"},"schema_version":"1.0","source":{"id":"2608.13096","kind":"arxiv","version":1}},"canonical_sha256":"a012a2b714ad0df32c6a13ebcedb87ede8c2a60a284cb18224f0b7a8c8854f7d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a012a2b714ad0df32c6a13ebcedb87ede8c2a60a284cb18224f0b7a8c8854f7d","first_computed_at":"2026-08-14T01:00:20.994872Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-14T01:00:20.994872Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N5w+7YA62t/5JpDF4Z06I/mKcB8ds5psCf82KFisuIE8xTs3qyiiT1dwthjYtD6kFVQU1bgyQziDxvrIT1OaAQ==","signature_status":"signed_v1","signed_at":"2026-08-14T01:00:20.996951Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.13096","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:72a752a1e7eda3eef1b7fb17d63892819d8a5ef08586872f1ccbb0c912a3faff","sha256:5ecf3266efbd585a53522334f88c0792c813f7e962bb57077fd215b7defe524a"],"state_sha256":"dee606edafb6a9a3b0f33c6fa934a73149732b676efdf97a70f6ee22daf4e443"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DcIw18Y2cleoCKOmiqb2AjTo9yHZuVljSYtOuuo2R/7Qe626ioZf9OB3dLHNfl9RgPurIVuii6l+qASrErXeBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T05:51:40.383694Z","bundle_sha256":"3495340d622ba7fe150c9d9951e253507b41f60b3d30f07c7ab9299b6137aac1"}}