{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:3XG5UFVDQ6Y2OCWQPWNKBPHVFH","short_pith_number":"pith:3XG5UFVD","canonical_record":{"source":{"id":"2606.21832","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-20T01:55:28Z","cross_cats_sorted":[],"title_canon_sha256":"fd2483523ff1cad9503986d17b93054883341d832d65082207c0727fe2d19238","abstract_canon_sha256":"5bfa40ea89acb19410bd062bcf2a11e03d8d00770af9b22057896a5ae971e4d3"},"schema_version":"1.0"},"canonical_sha256":"ddcdda16a387b1a70ad07d9aa0bcf529f5e9070c5590850a92593a31ef05b685","source":{"kind":"arxiv","id":"2606.21832","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.21832","created_at":"2026-06-23T02:13:00Z"},{"alias_kind":"arxiv_version","alias_value":"2606.21832v1","created_at":"2026-06-23T02:13:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.21832","created_at":"2026-06-23T02:13:00Z"},{"alias_kind":"pith_short_12","alias_value":"3XG5UFVDQ6Y2","created_at":"2026-06-23T02:13:00Z"},{"alias_kind":"pith_short_16","alias_value":"3XG5UFVDQ6Y2OCWQ","created_at":"2026-06-23T02:13:00Z"},{"alias_kind":"pith_short_8","alias_value":"3XG5UFVD","created_at":"2026-06-23T02:13:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:3XG5UFVDQ6Y2OCWQPWNKBPHVFH","target":"record","payload":{"canonical_record":{"source":{"id":"2606.21832","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-20T01:55:28Z","cross_cats_sorted":[],"title_canon_sha256":"fd2483523ff1cad9503986d17b93054883341d832d65082207c0727fe2d19238","abstract_canon_sha256":"5bfa40ea89acb19410bd062bcf2a11e03d8d00770af9b22057896a5ae971e4d3"},"schema_version":"1.0"},"canonical_sha256":"ddcdda16a387b1a70ad07d9aa0bcf529f5e9070c5590850a92593a31ef05b685","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T02:13:00.313041Z","signature_b64":"Cf0GMYA0xaHofIrqTUYI3JfgXBPWSoBG0yKMk8bkvWNVzZ3ZJEeLnUJZ63ytGVC9Vv3h3pi2U2Ry2i2JxBj1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ddcdda16a387b1a70ad07d9aa0bcf529f5e9070c5590850a92593a31ef05b685","last_reissued_at":"2026-06-23T02:13:00.312688Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T02:13:00.312688Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.21832","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":"2026-06-23T02:13:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rJ/TNDpcQeIpjg4qz7jdsfWJvZYByoCvtcZd4+jFNQJw598xEqaAroDiUe6TbBFX7EfCxhnjf9811GgynpOFDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T16:52:51.684771Z"},"content_sha256":"1ca4818b87137139630fa758758c7b0e6e309a20c8a11cbbbdb847b52e541026","schema_version":"1.0","event_id":"sha256:1ca4818b87137139630fa758758c7b0e6e309a20c8a11cbbbdb847b52e541026"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:3XG5UFVDQ6Y2OCWQPWNKBPHVFH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"AgentCAT: Simulating Computerized Adaptive Testing via Multi-Agent Large Language Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Changqian Wang, Haiping Ma, Shangshang Yang, Weiyuan Zhou, Xiaoshan Yu, Xingyi Zhang","submitted_at":"2026-06-20T01:55:28Z","abstract_excerpt":"Computerized Adaptive Testing (CAT), as a key technology for personalized education, aims to accurately assess examinee proficiency by retrieving exercises dynamically matching current ability estimates. However, existing CAT research is constrained by limitations of static offline data and isolated component optimization. Restricted by partial labels in offline logs, researchers degrade the dynamic assessment process into static sequence prediction. Current research focuses on isolated perspectives, e.g., selection or diagnosis, neglecting the overall CAT interaction process. To address this,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.21832","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/2606.21832/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":"2026-06-23T02:13:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UbcETTf3XdaG63rtUBoZKz4k5zK6wuwhJBvfCViRIpBp/a/d6t5UqBIJtrMX4OHJOrSehnDRsylWW+7l/CZABg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T16:52:51.685147Z"},"content_sha256":"d9b1ed154268f99e235cae9664cd28e9fa960614c2ab743abdbbdf23fa4d8142","schema_version":"1.0","event_id":"sha256:d9b1ed154268f99e235cae9664cd28e9fa960614c2ab743abdbbdf23fa4d8142"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3XG5UFVDQ6Y2OCWQPWNKBPHVFH/bundle.json","state_url":"https://pith.science/pith/3XG5UFVDQ6Y2OCWQPWNKBPHVFH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3XG5UFVDQ6Y2OCWQPWNKBPHVFH/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":"2026-06-27T16:52:51Z","links":{"resolver":"https://pith.science/pith/3XG5UFVDQ6Y2OCWQPWNKBPHVFH","bundle":"https://pith.science/pith/3XG5UFVDQ6Y2OCWQPWNKBPHVFH/bundle.json","state":"https://pith.science/pith/3XG5UFVDQ6Y2OCWQPWNKBPHVFH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3XG5UFVDQ6Y2OCWQPWNKBPHVFH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:3XG5UFVDQ6Y2OCWQPWNKBPHVFH","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":"5bfa40ea89acb19410bd062bcf2a11e03d8d00770af9b22057896a5ae971e4d3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-20T01:55:28Z","title_canon_sha256":"fd2483523ff1cad9503986d17b93054883341d832d65082207c0727fe2d19238"},"schema_version":"1.0","source":{"id":"2606.21832","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.21832","created_at":"2026-06-23T02:13:00Z"},{"alias_kind":"arxiv_version","alias_value":"2606.21832v1","created_at":"2026-06-23T02:13:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.21832","created_at":"2026-06-23T02:13:00Z"},{"alias_kind":"pith_short_12","alias_value":"3XG5UFVDQ6Y2","created_at":"2026-06-23T02:13:00Z"},{"alias_kind":"pith_short_16","alias_value":"3XG5UFVDQ6Y2OCWQ","created_at":"2026-06-23T02:13:00Z"},{"alias_kind":"pith_short_8","alias_value":"3XG5UFVD","created_at":"2026-06-23T02:13:00Z"}],"graph_snapshots":[{"event_id":"sha256:d9b1ed154268f99e235cae9664cd28e9fa960614c2ab743abdbbdf23fa4d8142","target":"graph","created_at":"2026-06-23T02:13:00Z","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/2606.21832/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Computerized Adaptive Testing (CAT), as a key technology for personalized education, aims to accurately assess examinee proficiency by retrieving exercises dynamically matching current ability estimates. However, existing CAT research is constrained by limitations of static offline data and isolated component optimization. Restricted by partial labels in offline logs, researchers degrade the dynamic assessment process into static sequence prediction. Current research focuses on isolated perspectives, e.g., selection or diagnosis, neglecting the overall CAT interaction process. To address this,","authors_text":"Changqian Wang, Haiping Ma, Shangshang Yang, Weiyuan Zhou, Xiaoshan Yu, Xingyi Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-20T01:55:28Z","title":"AgentCAT: Simulating Computerized Adaptive Testing via Multi-Agent Large Language Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.21832","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":"sha256:1ca4818b87137139630fa758758c7b0e6e309a20c8a11cbbbdb847b52e541026","target":"record","created_at":"2026-06-23T02:13:00Z","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":"5bfa40ea89acb19410bd062bcf2a11e03d8d00770af9b22057896a5ae971e4d3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-06-20T01:55:28Z","title_canon_sha256":"fd2483523ff1cad9503986d17b93054883341d832d65082207c0727fe2d19238"},"schema_version":"1.0","source":{"id":"2606.21832","kind":"arxiv","version":1}},"canonical_sha256":"ddcdda16a387b1a70ad07d9aa0bcf529f5e9070c5590850a92593a31ef05b685","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ddcdda16a387b1a70ad07d9aa0bcf529f5e9070c5590850a92593a31ef05b685","first_computed_at":"2026-06-23T02:13:00.312688Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-23T02:13:00.312688Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Cf0GMYA0xaHofIrqTUYI3JfgXBPWSoBG0yKMk8bkvWNVzZ3ZJEeLnUJZ63ytGVC9Vv3h3pi2U2Ry2i2JxBj1BA==","signature_status":"signed_v1","signed_at":"2026-06-23T02:13:00.313041Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.21832","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1ca4818b87137139630fa758758c7b0e6e309a20c8a11cbbbdb847b52e541026","sha256:d9b1ed154268f99e235cae9664cd28e9fa960614c2ab743abdbbdf23fa4d8142"],"state_sha256":"c02d20ec283a62f87926bff0d0b4cc9f18090fbad116de704b7f9c55010f0b59"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t0NqxlCRUYW+TR6JkvlpI62FY76SikaSJIE9AIJy2mu7ZtHhI9fMXBmGsrCQijv6kG7Md7jMvL5LgYe+Kj0aAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T16:52:51.687137Z","bundle_sha256":"09586649f4d5c26d6b6b62614f1aa0f2b578ae6c5758f2bba14eb2d067ca28d9"}}