{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:2D3WDFECLIZRLIQ4C4UU7IM2YM","short_pith_number":"pith:2D3WDFEC","canonical_record":{"source":{"id":"1908.01304","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-08-04T09:40:06Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"4d74c63f8537ba953fbdfc8702f45029c3020727ebce8c9b4c2920debea79daf","abstract_canon_sha256":"2d7e9969c920518f2559af3a0d101b8e003ed07be706ca6f2849914b9bf1d05d"},"schema_version":"1.0"},"canonical_sha256":"d0f76194825a3315a21c17294fa19ac33fa7a1150943cbc2e3f98ccbdaf73100","source":{"kind":"arxiv","id":"1908.01304","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.01304","created_at":"2026-07-04T23:51:28Z"},{"alias_kind":"arxiv_version","alias_value":"1908.01304v1","created_at":"2026-07-04T23:51:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.01304","created_at":"2026-07-04T23:51:28Z"},{"alias_kind":"pith_short_12","alias_value":"2D3WDFECLIZR","created_at":"2026-07-04T23:51:28Z"},{"alias_kind":"pith_short_16","alias_value":"2D3WDFECLIZRLIQ4","created_at":"2026-07-04T23:51:28Z"},{"alias_kind":"pith_short_8","alias_value":"2D3WDFEC","created_at":"2026-07-04T23:51:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:2D3WDFECLIZRLIQ4C4UU7IM2YM","target":"record","payload":{"canonical_record":{"source":{"id":"1908.01304","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-08-04T09:40:06Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"4d74c63f8537ba953fbdfc8702f45029c3020727ebce8c9b4c2920debea79daf","abstract_canon_sha256":"2d7e9969c920518f2559af3a0d101b8e003ed07be706ca6f2849914b9bf1d05d"},"schema_version":"1.0"},"canonical_sha256":"d0f76194825a3315a21c17294fa19ac33fa7a1150943cbc2e3f98ccbdaf73100","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:51:28.919473Z","signature_b64":"Sgl9Pg4Yq25OthFwjdjmYI2Eb8tPeP1ohu6d2HK6Sp7npEaet20cukEStd0qL9oIupM+/3Kk9ErnT/clnAfLAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d0f76194825a3315a21c17294fa19ac33fa7a1150943cbc2e3f98ccbdaf73100","last_reissued_at":"2026-07-04T23:51:28.919112Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:51:28.919112Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.01304","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":"2026-07-04T23:51:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HNPLWRkXpY1iyi7LxLnv3u0yieyiVzP17XTMjlkicKUzFIu6RS5yxHmn7NEsF6+R8y5PvIVfMZszt/7QJyu1Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T04:39:58.265366Z"},"content_sha256":"42d9df8567acf574ede5b62189e306c9207011e6f062f463305fc2123c8b7b3a","schema_version":"1.0","event_id":"sha256:42d9df8567acf574ede5b62189e306c9207011e6f062f463305fc2123c8b7b3a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:2D3WDFECLIZRLIQ4C4UU7IM2YM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Behavior Pattern and Compiled Information Based Performance Prediction in MOOCs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY"],"primary_cat":"cs.IR","authors_text":"Kan Li, Shaojie Qu, Sisi Wu, Xinyi Liu, Zheyi Fan, Zhiguo Huang","submitted_at":"2019-08-04T09:40:06Z","abstract_excerpt":"With the development of MOOCs massive open online courses, increasingly more subjects can be studied online. Researchers currently show growing interest in the field of MOOCs, including dropout prediction, cheating detection and achievement prediction. Previous studies on achievement prediction mainly focused on students' video and forum behaviors, and few researchers have considered how well students perform their assignments. In this paper, we choose a C programming course as the experimental subject, which involved 1528 students. This paper mainly focuses on the students' accomplishment beh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.01304","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/1908.01304/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":"2026-07-04T23:51:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RDRaKDmRePG/uB0D7MAG2KnoWiYCujHev6ESDF3PnJIXZLbL6MpQozsK+gCwdXGXFco2AmTwHvoSPjSy4qGqAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T04:39:58.265879Z"},"content_sha256":"64ed6574f0d4166df36e40ea2b8663520ed6d922f97e05b3ff8e893816d6d66d","schema_version":"1.0","event_id":"sha256:64ed6574f0d4166df36e40ea2b8663520ed6d922f97e05b3ff8e893816d6d66d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2D3WDFECLIZRLIQ4C4UU7IM2YM/bundle.json","state_url":"https://pith.science/pith/2D3WDFECLIZRLIQ4C4UU7IM2YM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2D3WDFECLIZRLIQ4C4UU7IM2YM/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":"2026-08-16T04:39:58Z","links":{"resolver":"https://pith.science/pith/2D3WDFECLIZRLIQ4C4UU7IM2YM","bundle":"https://pith.science/pith/2D3WDFECLIZRLIQ4C4UU7IM2YM/bundle.json","state":"https://pith.science/pith/2D3WDFECLIZRLIQ4C4UU7IM2YM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2D3WDFECLIZRLIQ4C4UU7IM2YM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:2D3WDFECLIZRLIQ4C4UU7IM2YM","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":"2d7e9969c920518f2559af3a0d101b8e003ed07be706ca6f2849914b9bf1d05d","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-08-04T09:40:06Z","title_canon_sha256":"4d74c63f8537ba953fbdfc8702f45029c3020727ebce8c9b4c2920debea79daf"},"schema_version":"1.0","source":{"id":"1908.01304","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.01304","created_at":"2026-07-04T23:51:28Z"},{"alias_kind":"arxiv_version","alias_value":"1908.01304v1","created_at":"2026-07-04T23:51:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.01304","created_at":"2026-07-04T23:51:28Z"},{"alias_kind":"pith_short_12","alias_value":"2D3WDFECLIZR","created_at":"2026-07-04T23:51:28Z"},{"alias_kind":"pith_short_16","alias_value":"2D3WDFECLIZRLIQ4","created_at":"2026-07-04T23:51:28Z"},{"alias_kind":"pith_short_8","alias_value":"2D3WDFEC","created_at":"2026-07-04T23:51:28Z"}],"graph_snapshots":[{"event_id":"sha256:64ed6574f0d4166df36e40ea2b8663520ed6d922f97e05b3ff8e893816d6d66d","target":"graph","created_at":"2026-07-04T23:51:28Z","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/1908.01304/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With the development of MOOCs massive open online courses, increasingly more subjects can be studied online. Researchers currently show growing interest in the field of MOOCs, including dropout prediction, cheating detection and achievement prediction. Previous studies on achievement prediction mainly focused on students' video and forum behaviors, and few researchers have considered how well students perform their assignments. In this paper, we choose a C programming course as the experimental subject, which involved 1528 students. This paper mainly focuses on the students' accomplishment beh","authors_text":"Kan Li, Shaojie Qu, Sisi Wu, Xinyi Liu, Zheyi Fan, Zhiguo Huang","cross_cats":["cs.CY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-08-04T09:40:06Z","title":"Behavior Pattern and Compiled Information Based Performance Prediction in MOOCs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.01304","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":"sha256:42d9df8567acf574ede5b62189e306c9207011e6f062f463305fc2123c8b7b3a","target":"record","created_at":"2026-07-04T23:51:28Z","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":"2d7e9969c920518f2559af3a0d101b8e003ed07be706ca6f2849914b9bf1d05d","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IR","submitted_at":"2019-08-04T09:40:06Z","title_canon_sha256":"4d74c63f8537ba953fbdfc8702f45029c3020727ebce8c9b4c2920debea79daf"},"schema_version":"1.0","source":{"id":"1908.01304","kind":"arxiv","version":1}},"canonical_sha256":"d0f76194825a3315a21c17294fa19ac33fa7a1150943cbc2e3f98ccbdaf73100","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d0f76194825a3315a21c17294fa19ac33fa7a1150943cbc2e3f98ccbdaf73100","first_computed_at":"2026-07-04T23:51:28.919112Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T23:51:28.919112Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Sgl9Pg4Yq25OthFwjdjmYI2Eb8tPeP1ohu6d2HK6Sp7npEaet20cukEStd0qL9oIupM+/3Kk9ErnT/clnAfLAg==","signature_status":"signed_v1","signed_at":"2026-07-04T23:51:28.919473Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.01304","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42d9df8567acf574ede5b62189e306c9207011e6f062f463305fc2123c8b7b3a","sha256:64ed6574f0d4166df36e40ea2b8663520ed6d922f97e05b3ff8e893816d6d66d"],"state_sha256":"fe360be6b71b31c0811f66055729fa1ba56d861bc7d23d52fcd7b610f6299731"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XbAETAHy6P6BMmiHPOzDuRkaHk+UY2zzdO+H5cWOAxuBqYzJMbamS1UCfnrl/thIjTah/+mJPfn0an8cYbl0Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T04:39:58.270509Z","bundle_sha256":"cf8fafc95b74689b4981fe552a86ceb052443e65fd4d93abeedf06a0893a67b6"}}