{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:GE7Y6PA75DQZS6UPU7QRGC56RL","short_pith_number":"pith:GE7Y6PA7","canonical_record":{"source":{"id":"2606.22442","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-21T11:18:06Z","cross_cats_sorted":[],"title_canon_sha256":"b1196193d17f1a78fcb42a8f324eaf2ea802344893624d5b1a516b4c845a5e72","abstract_canon_sha256":"3468d16241acbfd8c8087d883730e0ddb64013733469949f39dbb28a58e7a30a"},"schema_version":"1.0"},"canonical_sha256":"313f8f3c1fe8e1997a8fa7e1130bbe8ae5bf9d84c1d148efccf36a5ca91d5205","source":{"kind":"arxiv","id":"2606.22442","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.22442","created_at":"2026-06-23T02:13:38Z"},{"alias_kind":"arxiv_version","alias_value":"2606.22442v1","created_at":"2026-06-23T02:13:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.22442","created_at":"2026-06-23T02:13:38Z"},{"alias_kind":"pith_short_12","alias_value":"GE7Y6PA75DQZ","created_at":"2026-06-23T02:13:38Z"},{"alias_kind":"pith_short_16","alias_value":"GE7Y6PA75DQZS6UP","created_at":"2026-06-23T02:13:38Z"},{"alias_kind":"pith_short_8","alias_value":"GE7Y6PA7","created_at":"2026-06-23T02:13:38Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:GE7Y6PA75DQZS6UPU7QRGC56RL","target":"record","payload":{"canonical_record":{"source":{"id":"2606.22442","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-21T11:18:06Z","cross_cats_sorted":[],"title_canon_sha256":"b1196193d17f1a78fcb42a8f324eaf2ea802344893624d5b1a516b4c845a5e72","abstract_canon_sha256":"3468d16241acbfd8c8087d883730e0ddb64013733469949f39dbb28a58e7a30a"},"schema_version":"1.0"},"canonical_sha256":"313f8f3c1fe8e1997a8fa7e1130bbe8ae5bf9d84c1d148efccf36a5ca91d5205","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T02:13:38.534896Z","signature_b64":"4wS8s1fGBS3ZJK0zldH4zWzLBlDAKyOd1JH2ogFoD9QKwiONnAf9h09XmS2l/8VEPxDldbLlVnn/mMz7qJnUCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"313f8f3c1fe8e1997a8fa7e1130bbe8ae5bf9d84c1d148efccf36a5ca91d5205","last_reissued_at":"2026-06-23T02:13:38.534543Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T02:13:38.534543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.22442","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":"2026-06-23T02:13:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LHqs4MwolY0MuIkrdIxf+KCDZsX6lMC56fadEV77gS3IQNAd/3mJpcD6k1oDc1K2UQKP2ILqvaePTdqu2NJuDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T13:34:28.166879Z"},"content_sha256":"65b76e68179accadd0cfecea5ddc41b35ebffb3d3e76bf28b0205bf290a9f883","schema_version":"1.0","event_id":"sha256:65b76e68179accadd0cfecea5ddc41b35ebffb3d3e76bf28b0205bf290a9f883"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:GE7Y6PA75DQZS6UPU7QRGC56RL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Efficient Multimodal Clinical Question Answering for Pulmonary Embolism Risk Assessment","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Bin Chen, Hong Jia, Junyan Wang, Lingyan Ruan, Ting Dang, Xiangyuan Xue, Yan Gao, Yang Yu","submitted_at":"2026-06-21T11:18:06Z","abstract_excerpt":"Pulmonary embolism (PE) is a high risk cardiopulmonary condition whose management requires both timely diagnosis and reliable assessment of future clinical risk. Because PE care routinely combines computed tomography pulmonary angiography (CTPA), radiology interpretation, and longitudinal electronic health record (EHR) evidence, it provides a clinically meaningful setting for evaluating compact multimodal language models. In this work, we build a benchmark using efficient multimodal large language models (MLLMs) on INSPECT, a multimodal PE dataset containing 23,248 CTPA studies from 19,402 pat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.22442","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/2606.22442/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":"2026-06-23T02:13:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EkZeGWIL4GskX9ye7lSbkvNwtfmUvYgRdvGzmHw1bhWcpTOaWcU0o1/+nuLhkfern6CnWCIq+V9Sl2e3Hn/dBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T13:34:28.167245Z"},"content_sha256":"d38a819b09c58289bcf6edd4cce4f2405892f7d4adf93a69b758ddac51c36711","schema_version":"1.0","event_id":"sha256:d38a819b09c58289bcf6edd4cce4f2405892f7d4adf93a69b758ddac51c36711"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GE7Y6PA75DQZS6UPU7QRGC56RL/bundle.json","state_url":"https://pith.science/pith/GE7Y6PA75DQZS6UPU7QRGC56RL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GE7Y6PA75DQZS6UPU7QRGC56RL/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":"2026-07-04T13:34:28Z","links":{"resolver":"https://pith.science/pith/GE7Y6PA75DQZS6UPU7QRGC56RL","bundle":"https://pith.science/pith/GE7Y6PA75DQZS6UPU7QRGC56RL/bundle.json","state":"https://pith.science/pith/GE7Y6PA75DQZS6UPU7QRGC56RL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GE7Y6PA75DQZS6UPU7QRGC56RL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:GE7Y6PA75DQZS6UPU7QRGC56RL","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":"3468d16241acbfd8c8087d883730e0ddb64013733469949f39dbb28a58e7a30a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-21T11:18:06Z","title_canon_sha256":"b1196193d17f1a78fcb42a8f324eaf2ea802344893624d5b1a516b4c845a5e72"},"schema_version":"1.0","source":{"id":"2606.22442","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.22442","created_at":"2026-06-23T02:13:38Z"},{"alias_kind":"arxiv_version","alias_value":"2606.22442v1","created_at":"2026-06-23T02:13:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.22442","created_at":"2026-06-23T02:13:38Z"},{"alias_kind":"pith_short_12","alias_value":"GE7Y6PA75DQZ","created_at":"2026-06-23T02:13:38Z"},{"alias_kind":"pith_short_16","alias_value":"GE7Y6PA75DQZS6UP","created_at":"2026-06-23T02:13:38Z"},{"alias_kind":"pith_short_8","alias_value":"GE7Y6PA7","created_at":"2026-06-23T02:13:38Z"}],"graph_snapshots":[{"event_id":"sha256:d38a819b09c58289bcf6edd4cce4f2405892f7d4adf93a69b758ddac51c36711","target":"graph","created_at":"2026-06-23T02:13:38Z","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/2606.22442/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Pulmonary embolism (PE) is a high risk cardiopulmonary condition whose management requires both timely diagnosis and reliable assessment of future clinical risk. Because PE care routinely combines computed tomography pulmonary angiography (CTPA), radiology interpretation, and longitudinal electronic health record (EHR) evidence, it provides a clinically meaningful setting for evaluating compact multimodal language models. In this work, we build a benchmark using efficient multimodal large language models (MLLMs) on INSPECT, a multimodal PE dataset containing 23,248 CTPA studies from 19,402 pat","authors_text":"Bin Chen, Hong Jia, Junyan Wang, Lingyan Ruan, Ting Dang, Xiangyuan Xue, Yan Gao, Yang Yu","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-21T11:18:06Z","title":"Efficient Multimodal Clinical Question Answering for Pulmonary Embolism Risk Assessment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.22442","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":"sha256:65b76e68179accadd0cfecea5ddc41b35ebffb3d3e76bf28b0205bf290a9f883","target":"record","created_at":"2026-06-23T02:13:38Z","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":"3468d16241acbfd8c8087d883730e0ddb64013733469949f39dbb28a58e7a30a","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AI","submitted_at":"2026-06-21T11:18:06Z","title_canon_sha256":"b1196193d17f1a78fcb42a8f324eaf2ea802344893624d5b1a516b4c845a5e72"},"schema_version":"1.0","source":{"id":"2606.22442","kind":"arxiv","version":1}},"canonical_sha256":"313f8f3c1fe8e1997a8fa7e1130bbe8ae5bf9d84c1d148efccf36a5ca91d5205","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"313f8f3c1fe8e1997a8fa7e1130bbe8ae5bf9d84c1d148efccf36a5ca91d5205","first_computed_at":"2026-06-23T02:13:38.534543Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-23T02:13:38.534543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4wS8s1fGBS3ZJK0zldH4zWzLBlDAKyOd1JH2ogFoD9QKwiONnAf9h09XmS2l/8VEPxDldbLlVnn/mMz7qJnUCQ==","signature_status":"signed_v1","signed_at":"2026-06-23T02:13:38.534896Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.22442","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:65b76e68179accadd0cfecea5ddc41b35ebffb3d3e76bf28b0205bf290a9f883","sha256:d38a819b09c58289bcf6edd4cce4f2405892f7d4adf93a69b758ddac51c36711"],"state_sha256":"74cdd940a727c4c4b4b32f00c15c489a6ae5f5a6cacd139fa35307e147ece5f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WM5IUOUhadhtec3HIOhdW/ztZGO576ODWWvPz5vuBs7np0qNUI7c9rIxQtWsqfyv9bR6x+bLhCHxc6pnggvjDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T13:34:28.169178Z","bundle_sha256":"174784f5e2891a1c3c8c1e37eaff6bad7ba625c4c4b8c879070e5b14b355af38"}}