{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:5GHXZDS3P5O3RZDML7BGQ7FHDN","short_pith_number":"pith:5GHXZDS3","canonical_record":{"source":{"id":"2208.12651","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2022-08-19T00:10:11Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"0319c509e3c38c5637ee3a33a33d70ebecc192004b633d8744c7b6edead71a4c","abstract_canon_sha256":"52ac270e75272f6e18b081da2be6279c09a54e5e0be5a01dcc177c2c39f17a3b"},"schema_version":"1.0"},"canonical_sha256":"e98f7c8e5b7f5db8e46c5fc2687ca71b41429097af68221cb264a0f3c7b4ff4f","source":{"kind":"arxiv","id":"2208.12651","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.12651","created_at":"2026-07-05T05:36:31Z"},{"alias_kind":"arxiv_version","alias_value":"2208.12651v3","created_at":"2026-07-05T05:36:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.12651","created_at":"2026-07-05T05:36:31Z"},{"alias_kind":"pith_short_12","alias_value":"5GHXZDS3P5O3","created_at":"2026-07-05T05:36:31Z"},{"alias_kind":"pith_short_16","alias_value":"5GHXZDS3P5O3RZDM","created_at":"2026-07-05T05:36:31Z"},{"alias_kind":"pith_short_8","alias_value":"5GHXZDS3","created_at":"2026-07-05T05:36:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:5GHXZDS3P5O3RZDML7BGQ7FHDN","target":"record","payload":{"canonical_record":{"source":{"id":"2208.12651","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2022-08-19T00:10:11Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"0319c509e3c38c5637ee3a33a33d70ebecc192004b633d8744c7b6edead71a4c","abstract_canon_sha256":"52ac270e75272f6e18b081da2be6279c09a54e5e0be5a01dcc177c2c39f17a3b"},"schema_version":"1.0"},"canonical_sha256":"e98f7c8e5b7f5db8e46c5fc2687ca71b41429097af68221cb264a0f3c7b4ff4f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:36:31.479305Z","signature_b64":"3TlOxnOS7bS2puX9nyrn104i/d/sJo2/L7v07mlMftsU4U0a9eVdi68eTc3gr7/whxNo+L3nCvgrSSCE6TxDDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e98f7c8e5b7f5db8e46c5fc2687ca71b41429097af68221cb264a0f3c7b4ff4f","last_reissued_at":"2026-07-05T05:36:31.478868Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:36:31.478868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.12651","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:36:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CxVm04Z4AqkokcYHemiwonydsvD0+BY2T3mbXNKKSJrh0Hzd/IPtLFrqmRCQAni+dAxjGRe8pISKbBT5xbWEBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T02:47:56.428729Z"},"content_sha256":"9e16817c22671bea7a56fad1d1e85ec738e9a1c923bf7aee6237bcfbae7b6c37","schema_version":"1.0","event_id":"sha256:9e16817c22671bea7a56fad1d1e85ec738e9a1c923bf7aee6237bcfbae7b6c37"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:5GHXZDS3P5O3RZDML7BGQ7FHDN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"DBE-KT22: A Knowledge Tracing Dataset Based on Online Student Evaluation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.CY","authors_text":"Ghodai Abdelrahman, Qing Wang, Sherif Abdelfattah, Yu Lin","submitted_at":"2022-08-19T00:10:11Z","abstract_excerpt":"Online education has gained an increasing importance over the last decade for providing affordable high-quality education to students worldwide. This has been further magnified during the global pandemic as more students switched to study online. The majority of online education tasks, e.g., course recommendation, exercise recommendation, or automated evaluation, depends on tracking students' knowledge progress. This is known as the \\emph{Knowledge Tracing} problem in the literature. Addressing this problem requires collecting student evaluation data that can reflect their knowledge evolution "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.12651","kind":"arxiv","version":3},"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/2208.12651/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":"2026-07-05T05:36:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ErjaDUrevF1EpYc0DQacDz4aup75VAts1KNmimJ7tnmC0IVN6ItjaAO6CII3pjQcFD7qXw8U74jkzRH0yP4yCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T02:47:56.429223Z"},"content_sha256":"3d89a04e00330a9aebe3d13922d61f0ec81859080d20dd6292433aa4c37cd8d9","schema_version":"1.0","event_id":"sha256:3d89a04e00330a9aebe3d13922d61f0ec81859080d20dd6292433aa4c37cd8d9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5GHXZDS3P5O3RZDML7BGQ7FHDN/bundle.json","state_url":"https://pith.science/pith/5GHXZDS3P5O3RZDML7BGQ7FHDN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5GHXZDS3P5O3RZDML7BGQ7FHDN/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":"2026-08-06T02:47:56Z","links":{"resolver":"https://pith.science/pith/5GHXZDS3P5O3RZDML7BGQ7FHDN","bundle":"https://pith.science/pith/5GHXZDS3P5O3RZDML7BGQ7FHDN/bundle.json","state":"https://pith.science/pith/5GHXZDS3P5O3RZDML7BGQ7FHDN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5GHXZDS3P5O3RZDML7BGQ7FHDN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:5GHXZDS3P5O3RZDML7BGQ7FHDN","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":"52ac270e75272f6e18b081da2be6279c09a54e5e0be5a01dcc177c2c39f17a3b","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2022-08-19T00:10:11Z","title_canon_sha256":"0319c509e3c38c5637ee3a33a33d70ebecc192004b633d8744c7b6edead71a4c"},"schema_version":"1.0","source":{"id":"2208.12651","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.12651","created_at":"2026-07-05T05:36:31Z"},{"alias_kind":"arxiv_version","alias_value":"2208.12651v3","created_at":"2026-07-05T05:36:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.12651","created_at":"2026-07-05T05:36:31Z"},{"alias_kind":"pith_short_12","alias_value":"5GHXZDS3P5O3","created_at":"2026-07-05T05:36:31Z"},{"alias_kind":"pith_short_16","alias_value":"5GHXZDS3P5O3RZDM","created_at":"2026-07-05T05:36:31Z"},{"alias_kind":"pith_short_8","alias_value":"5GHXZDS3","created_at":"2026-07-05T05:36:31Z"}],"graph_snapshots":[{"event_id":"sha256:3d89a04e00330a9aebe3d13922d61f0ec81859080d20dd6292433aa4c37cd8d9","target":"graph","created_at":"2026-07-05T05:36:31Z","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/2208.12651/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Online education has gained an increasing importance over the last decade for providing affordable high-quality education to students worldwide. This has been further magnified during the global pandemic as more students switched to study online. The majority of online education tasks, e.g., course recommendation, exercise recommendation, or automated evaluation, depends on tracking students' knowledge progress. This is known as the \\emph{Knowledge Tracing} problem in the literature. Addressing this problem requires collecting student evaluation data that can reflect their knowledge evolution ","authors_text":"Ghodai Abdelrahman, Qing Wang, Sherif Abdelfattah, Yu Lin","cross_cats":["cs.AI"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2022-08-19T00:10:11Z","title":"DBE-KT22: A Knowledge Tracing Dataset Based on Online Student Evaluation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.12651","kind":"arxiv","version":3},"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":"sha256:9e16817c22671bea7a56fad1d1e85ec738e9a1c923bf7aee6237bcfbae7b6c37","target":"record","created_at":"2026-07-05T05:36:31Z","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":"52ac270e75272f6e18b081da2be6279c09a54e5e0be5a01dcc177c2c39f17a3b","cross_cats_sorted":["cs.AI"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CY","submitted_at":"2022-08-19T00:10:11Z","title_canon_sha256":"0319c509e3c38c5637ee3a33a33d70ebecc192004b633d8744c7b6edead71a4c"},"schema_version":"1.0","source":{"id":"2208.12651","kind":"arxiv","version":3}},"canonical_sha256":"e98f7c8e5b7f5db8e46c5fc2687ca71b41429097af68221cb264a0f3c7b4ff4f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e98f7c8e5b7f5db8e46c5fc2687ca71b41429097af68221cb264a0f3c7b4ff4f","first_computed_at":"2026-07-05T05:36:31.478868Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:36:31.478868Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3TlOxnOS7bS2puX9nyrn104i/d/sJo2/L7v07mlMftsU4U0a9eVdi68eTc3gr7/whxNo+L3nCvgrSSCE6TxDDg==","signature_status":"signed_v1","signed_at":"2026-07-05T05:36:31.479305Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.12651","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e16817c22671bea7a56fad1d1e85ec738e9a1c923bf7aee6237bcfbae7b6c37","sha256:3d89a04e00330a9aebe3d13922d61f0ec81859080d20dd6292433aa4c37cd8d9"],"state_sha256":"3a5c2ee5bf43123c165e49b72308610e43dd7cbcdb2e39d8f8c5d88defc0de53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fxOJBFamJtAytd6lRjAD7nP1Phb6BH+kfDP6AmoDi7cQkNCg0JFoAEmkbuNlPKs+5AlCMckJFtnSayAHbLHxBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T02:47:56.434491Z","bundle_sha256":"815f5a253e3dec82bc062b88776146ac80815586618016f0bcd5591ae008f741"}}