{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:WYARIJX4NZUPM3UXEERLDWZ4PR","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":"2c15a44a0789f51edf5b6850e03670384a8c46edb7fdfbb510e5b833df322959","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2017-02-02T07:37:35Z","title_canon_sha256":"6971f8d996f18eece9f9b42ce065b12a9442fe62ef510387c973e4a2044521e1"},"schema_version":"1.0","source":{"id":"1702.00562","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.00562","created_at":"2026-05-18T00:51:33Z"},{"alias_kind":"arxiv_version","alias_value":"1702.00562v1","created_at":"2026-05-18T00:51:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.00562","created_at":"2026-05-18T00:51:33Z"},{"alias_kind":"pith_short_12","alias_value":"WYARIJX4NZUP","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"WYARIJX4NZUPM3UX","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"WYARIJX4","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:628e9081d1f7fa8345ac419696601650d81527de2473923a5d1e57bc9c22f044","target":"graph","created_at":"2026-05-18T00:51:33Z","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"},"paper":{"abstract_excerpt":"Parsing (also called syntax analysis) techniques cover a substantial portion of any undergraduate Compiler Design course. We present ParseIT, a tool to help students understand the parsing techniques through question-answering. ParseIT automates the generation of tutorial questions based on the Context Free Grammar provided by the student and generates feedback for the student solutions. The tool generates multiple-choice questions (MCQs) and fill in the blank type questions, and evaluates students' attempts. It provides hints for incorrect attempts, again in terms of MCQs. The hints questions","authors_text":"Amey Karkare, Nimisha Agarwal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2017-02-02T07:37:35Z","title":"ParseIT: A Question-Answer based Tool to Learn Parsing Techniques"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.00562","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":"sha256:580dfc7a8c7701bd711133dc1a9b00ce11b5894a8a88265cb3617db21eedae65","target":"record","created_at":"2026-05-18T00:51:33Z","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":"2c15a44a0789f51edf5b6850e03670384a8c46edb7fdfbb510e5b833df322959","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2017-02-02T07:37:35Z","title_canon_sha256":"6971f8d996f18eece9f9b42ce065b12a9442fe62ef510387c973e4a2044521e1"},"schema_version":"1.0","source":{"id":"1702.00562","kind":"arxiv","version":1}},"canonical_sha256":"b6011426fc6e68f66e972122b1db3c7c6efe5c0b4c8f819caf09c9ce536878ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6011426fc6e68f66e972122b1db3c7c6efe5c0b4c8f819caf09c9ce536878ee","first_computed_at":"2026-05-18T00:51:33.241837Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:33.241837Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kiyfGqAyatz9Jzf7J5iTy1DU9h9nt0GNiMv25RE6EIuumCAL0Ok7nue/tK67AHqY96WCjoJJOqkJtBL3IiysBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:33.242227Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.00562","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:580dfc7a8c7701bd711133dc1a9b00ce11b5894a8a88265cb3617db21eedae65","sha256:628e9081d1f7fa8345ac419696601650d81527de2473923a5d1e57bc9c22f044"],"state_sha256":"7404a7d3b784a3d5f8680fc2e26f4d9dafd6e57e148702e682578f1f9d96e87b"}