{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:33SQTDXRIK4P7TMNH56EAF7HMC","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":"767ffec7084f287b97b692ef4349cf9cf25a6c8b74d37d36563009f4d9d414bd","cross_cats_sorted":["cs.AI","cs.CL","cs.CY"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.IR","submitted_at":"2023-03-15T01:40:32Z","title_canon_sha256":"4355660635a6dbdfbd9ef4cc65f95cb250efd7316d439d1d8a15f7552025efb5"},"schema_version":"1.0","source":{"id":"2303.11163","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.11163","created_at":"2026-07-05T05:52:40Z"},{"alias_kind":"arxiv_version","alias_value":"2303.11163v1","created_at":"2026-07-05T05:52:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.11163","created_at":"2026-07-05T05:52:40Z"},{"alias_kind":"pith_short_12","alias_value":"33SQTDXRIK4P","created_at":"2026-07-05T05:52:40Z"},{"alias_kind":"pith_short_16","alias_value":"33SQTDXRIK4P7TMN","created_at":"2026-07-05T05:52:40Z"},{"alias_kind":"pith_short_8","alias_value":"33SQTDXR","created_at":"2026-07-05T05:52:40Z"}],"graph_snapshots":[{"event_id":"sha256:78aab470fdf75f4b1c26370fae309477a629773a63d68d3e7b4d9f18a93c9576","target":"graph","created_at":"2026-07-05T05:52:40Z","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/2303.11163/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"When students make a mistake in an exercise, they can consolidate it by ``similar exercises'' which have the same concepts, purposes and methods. Commonly, for a certain subject and study stage, the size of the exercise bank is in the range of millions to even tens of millions, how to find similar exercises for a given exercise becomes a crucial technical problem. Generally, we can assign a variety of explicit labels to the exercise, and then query through the labels, but the label annotation is time-consuming, laborious and costly, with limited precision and granularity, so it is not feasible","authors_text":"Chao Yi, Tongwen Huang, Xihua Li, Xuemin Zhao, Yunbo Cao","cross_cats":["cs.AI","cs.CL","cs.CY"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.IR","submitted_at":"2023-03-15T01:40:32Z","title":"Finding Similar Exercises in Retrieval Manner"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.11163","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":"sha256:96cde09d30bf94ddc24b356e8a078a303a45d495a1cbc563acccfcfb085c26fb","target":"record","created_at":"2026-07-05T05:52:40Z","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":"767ffec7084f287b97b692ef4349cf9cf25a6c8b74d37d36563009f4d9d414bd","cross_cats_sorted":["cs.AI","cs.CL","cs.CY"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.IR","submitted_at":"2023-03-15T01:40:32Z","title_canon_sha256":"4355660635a6dbdfbd9ef4cc65f95cb250efd7316d439d1d8a15f7552025efb5"},"schema_version":"1.0","source":{"id":"2303.11163","kind":"arxiv","version":1}},"canonical_sha256":"dee5098ef142b8ffcd8d3f7c4017e760b6a4169e35296651e971ee1aafd3ef47","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dee5098ef142b8ffcd8d3f7c4017e760b6a4169e35296651e971ee1aafd3ef47","first_computed_at":"2026-07-05T05:52:40.930994Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:52:40.930994Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rHfLHx77CpZtCkREMzS4ruQmk4noXTzoWd6Xf9KKt5ExTwxMnuF+yXbmQCs6HrMzU614rAI/lkD7s1LLrL1KDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T05:52:40.931424Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.11163","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:96cde09d30bf94ddc24b356e8a078a303a45d495a1cbc563acccfcfb085c26fb","sha256:78aab470fdf75f4b1c26370fae309477a629773a63d68d3e7b4d9f18a93c9576"],"state_sha256":"4da39586bafb843d8282cbb8bceef0e596f44aa790c7925aaf3a0768b8709ff7"}