{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:QMGMMKNOQPWFVC7OLT2P4LYM47","short_pith_number":"pith:QMGMMKNO","canonical_record":{"source":{"id":"2607.13929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-07-15T15:10:10Z","cross_cats_sorted":["q-fin.CP"],"title_canon_sha256":"a12b6c9e56d587b747307ad25afb61d74c58df1f92b9ea1c1f09774592a04a7a","abstract_canon_sha256":"62bd391537bf48211a77b9ffdba63f93f53deef62c6ad328c347c99b8b5b6189"},"schema_version":"1.0"},"canonical_sha256":"830cc629ae83ec5a8bee5cf4fe2f0ce7c5434396dcca1d7992d5de42ffc04cf5","source":{"kind":"arxiv","id":"2607.13929","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.13929","created_at":"2026-07-16T01:23:14Z"},{"alias_kind":"arxiv_version","alias_value":"2607.13929v1","created_at":"2026-07-16T01:23:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.13929","created_at":"2026-07-16T01:23:14Z"},{"alias_kind":"pith_short_12","alias_value":"QMGMMKNOQPWF","created_at":"2026-07-16T01:23:14Z"},{"alias_kind":"pith_short_16","alias_value":"QMGMMKNOQPWFVC7O","created_at":"2026-07-16T01:23:14Z"},{"alias_kind":"pith_short_8","alias_value":"QMGMMKNO","created_at":"2026-07-16T01:23:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:QMGMMKNOQPWFVC7OLT2P4LYM47","target":"record","payload":{"canonical_record":{"source":{"id":"2607.13929","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-07-15T15:10:10Z","cross_cats_sorted":["q-fin.CP"],"title_canon_sha256":"a12b6c9e56d587b747307ad25afb61d74c58df1f92b9ea1c1f09774592a04a7a","abstract_canon_sha256":"62bd391537bf48211a77b9ffdba63f93f53deef62c6ad328c347c99b8b5b6189"},"schema_version":"1.0"},"canonical_sha256":"830cc629ae83ec5a8bee5cf4fe2f0ce7c5434396dcca1d7992d5de42ffc04cf5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-16T01:23:14.266620Z","signature_b64":"85XIiRhR31JjjtGNOf3BnNcy+bmOXyQYn0KWhkv6UzfXfpCUtatlThSmjny3/YX3qKxKktNCw0EDzDEFGGw+AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"830cc629ae83ec5a8bee5cf4fe2f0ce7c5434396dcca1d7992d5de42ffc04cf5","last_reissued_at":"2026-07-16T01:23:14.265753Z","signature_status":"signed_v1","first_computed_at":"2026-07-16T01:23:14.265753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.13929","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":"2026-07-16T01:23:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"khe72mOSBv+uOp8eOHPKmB3m57LJIByG0EI34/lSkRhwt8AcwY8lrtr73jyaMr/2TlD+8jjUjE+NVLdNTNPaCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:02:44.677859Z"},"content_sha256":"49c1b10b903c3abd6dc0f16a543450f0b74a1db96a43f6e1c2d45a9aedb42a68","schema_version":"1.0","event_id":"sha256:49c1b10b903c3abd6dc0f16a543450f0b74a1db96a43f6e1c2d45a9aedb42a68"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:QMGMMKNOQPWFVC7OLT2P4LYM47","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"VAIOM: Continuous-Input, Discrete-Output Decoder-Only Financial Sequence Modeling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-fin.CP"],"primary_cat":"cs.LG","authors_text":"Xinyu Chen, Yiming Ma","submitted_at":"2026-07-15T15:10:10Z","abstract_excerpt":"Financial observations are continuous, heterogeneous, and noisy, whereas decoder-only next-token models are usually built around discrete symbolic inputs. We introduce Vector-Input Autoregressive Inference for Ordinal-Return Modeling (VAIOM), a decoder-only Transformer for probabilistic next-return modeling on one-hour foreign-exchange bars. VAIOM separates input representation from output likelihood: continuous multivariate financial-event vectors preserve numerical structure at the input, while a categorical distribution over the next volatility-normalized return bucket supports cross-entrop"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.13929","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/2607.13929/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":"2026-07-16T01:23:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lnrmYho4FqOSmtB27dFADfnEyGcSn8/SmsWObR4HX+Kna+ox5p9bPt5iYil0slZXjsfgdGINsjC8EJlhScCLBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T06:02:44.678859Z"},"content_sha256":"77221181f8c45b3cd63a57790694fad645dad76f821cb1f2f21673ded9cbce1b","schema_version":"1.0","event_id":"sha256:77221181f8c45b3cd63a57790694fad645dad76f821cb1f2f21673ded9cbce1b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QMGMMKNOQPWFVC7OLT2P4LYM47/bundle.json","state_url":"https://pith.science/pith/QMGMMKNOQPWFVC7OLT2P4LYM47/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QMGMMKNOQPWFVC7OLT2P4LYM47/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":"2026-08-05T06:02:44Z","links":{"resolver":"https://pith.science/pith/QMGMMKNOQPWFVC7OLT2P4LYM47","bundle":"https://pith.science/pith/QMGMMKNOQPWFVC7OLT2P4LYM47/bundle.json","state":"https://pith.science/pith/QMGMMKNOQPWFVC7OLT2P4LYM47/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QMGMMKNOQPWFVC7OLT2P4LYM47/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:QMGMMKNOQPWFVC7OLT2P4LYM47","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":"62bd391537bf48211a77b9ffdba63f93f53deef62c6ad328c347c99b8b5b6189","cross_cats_sorted":["q-fin.CP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-07-15T15:10:10Z","title_canon_sha256":"a12b6c9e56d587b747307ad25afb61d74c58df1f92b9ea1c1f09774592a04a7a"},"schema_version":"1.0","source":{"id":"2607.13929","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.13929","created_at":"2026-07-16T01:23:14Z"},{"alias_kind":"arxiv_version","alias_value":"2607.13929v1","created_at":"2026-07-16T01:23:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.13929","created_at":"2026-07-16T01:23:14Z"},{"alias_kind":"pith_short_12","alias_value":"QMGMMKNOQPWF","created_at":"2026-07-16T01:23:14Z"},{"alias_kind":"pith_short_16","alias_value":"QMGMMKNOQPWFVC7O","created_at":"2026-07-16T01:23:14Z"},{"alias_kind":"pith_short_8","alias_value":"QMGMMKNO","created_at":"2026-07-16T01:23:14Z"}],"graph_snapshots":[{"event_id":"sha256:77221181f8c45b3cd63a57790694fad645dad76f821cb1f2f21673ded9cbce1b","target":"graph","created_at":"2026-07-16T01:23:14Z","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/2607.13929/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Financial observations are continuous, heterogeneous, and noisy, whereas decoder-only next-token models are usually built around discrete symbolic inputs. We introduce Vector-Input Autoregressive Inference for Ordinal-Return Modeling (VAIOM), a decoder-only Transformer for probabilistic next-return modeling on one-hour foreign-exchange bars. VAIOM separates input representation from output likelihood: continuous multivariate financial-event vectors preserve numerical structure at the input, while a categorical distribution over the next volatility-normalized return bucket supports cross-entrop","authors_text":"Xinyu Chen, Yiming Ma","cross_cats":["q-fin.CP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-07-15T15:10:10Z","title":"VAIOM: Continuous-Input, Discrete-Output Decoder-Only Financial Sequence Modeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.13929","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":"sha256:49c1b10b903c3abd6dc0f16a543450f0b74a1db96a43f6e1c2d45a9aedb42a68","target":"record","created_at":"2026-07-16T01:23:14Z","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":"62bd391537bf48211a77b9ffdba63f93f53deef62c6ad328c347c99b8b5b6189","cross_cats_sorted":["q-fin.CP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2026-07-15T15:10:10Z","title_canon_sha256":"a12b6c9e56d587b747307ad25afb61d74c58df1f92b9ea1c1f09774592a04a7a"},"schema_version":"1.0","source":{"id":"2607.13929","kind":"arxiv","version":1}},"canonical_sha256":"830cc629ae83ec5a8bee5cf4fe2f0ce7c5434396dcca1d7992d5de42ffc04cf5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"830cc629ae83ec5a8bee5cf4fe2f0ce7c5434396dcca1d7992d5de42ffc04cf5","first_computed_at":"2026-07-16T01:23:14.265753Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-16T01:23:14.265753Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"85XIiRhR31JjjtGNOf3BnNcy+bmOXyQYn0KWhkv6UzfXfpCUtatlThSmjny3/YX3qKxKktNCw0EDzDEFGGw+AA==","signature_status":"signed_v1","signed_at":"2026-07-16T01:23:14.266620Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.13929","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:49c1b10b903c3abd6dc0f16a543450f0b74a1db96a43f6e1c2d45a9aedb42a68","sha256:77221181f8c45b3cd63a57790694fad645dad76f821cb1f2f21673ded9cbce1b"],"state_sha256":"fd16ba96d96889ed23735ee184c998ea4f5c3e89fe6b16226ed6723f60886126"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TP5oAyk7HwCGY2prxEGoxv4ZpDkrx4nBsauoyyHtsWXoHRtCt8dTsX+Ehdv4BVGO0svMfrHCMa8J+bA9KwhBBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T06:02:44.688063Z","bundle_sha256":"5702fda996ed31ddc467a0d83bff1eecf2190b81409f47ac50f6e9a237546a1a"}}