{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CW56Q5GTDUO3LPZ446TRCLDIVR","short_pith_number":"pith:CW56Q5GT","canonical_record":{"source":{"id":"1811.00981","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2018-11-02T16:54:38Z","cross_cats_sorted":[],"title_canon_sha256":"9cbcac8d5ff7ebc8a39623135a37dbdb99280daff714caa4f19dbca732c0d16a","abstract_canon_sha256":"ccbd2929782a81019c0d273d006c981847dab29b6eb6a418cbd3eaedb684ec30"},"schema_version":"1.0"},"canonical_sha256":"15bbe874d31d1db5bf3ce7a7112c68ac6efe7bdd2d37d4db4c73e19ab057b922","source":{"kind":"arxiv","id":"1811.00981","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.00981","created_at":"2026-05-18T00:01:39Z"},{"alias_kind":"arxiv_version","alias_value":"1811.00981v1","created_at":"2026-05-18T00:01:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.00981","created_at":"2026-05-18T00:01:39Z"},{"alias_kind":"pith_short_12","alias_value":"CW56Q5GTDUO3","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"CW56Q5GTDUO3LPZ4","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"CW56Q5GT","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CW56Q5GTDUO3LPZ446TRCLDIVR","target":"record","payload":{"canonical_record":{"source":{"id":"1811.00981","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2018-11-02T16:54:38Z","cross_cats_sorted":[],"title_canon_sha256":"9cbcac8d5ff7ebc8a39623135a37dbdb99280daff714caa4f19dbca732c0d16a","abstract_canon_sha256":"ccbd2929782a81019c0d273d006c981847dab29b6eb6a418cbd3eaedb684ec30"},"schema_version":"1.0"},"canonical_sha256":"15bbe874d31d1db5bf3ce7a7112c68ac6efe7bdd2d37d4db4c73e19ab057b922","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:39.746696Z","signature_b64":"qR1usrWCTegBbK8l1sSn5gK77Wiyhy4oUFuoob0Uqtp0Y/k74cqMmGWWSI68PqX0CeM18hGKonCk3RI58zkxBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15bbe874d31d1db5bf3ce7a7112c68ac6efe7bdd2d37d4db4c73e19ab057b922","last_reissued_at":"2026-05-18T00:01:39.746247Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:39.746247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.00981","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":"2026-05-18T00:01:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m+LTMrRKcu/lIncDuSUd2C9yX3KviWRw4DKEGKkwF1Et4yf+Dkonu/inRZIrFqM9vRjUGhtYAySi6VCXeW8XAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:01:53.890710Z"},"content_sha256":"512fe8b368d9d13cb66fbedd08e2b2b363e1f5ea1fda36121fdba8652ece3eb8","schema_version":"1.0","event_id":"sha256:512fe8b368d9d13cb66fbedd08e2b2b363e1f5ea1fda36121fdba8652ece3eb8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CW56Q5GTDUO3LPZ446TRCLDIVR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploring Gaze Behavior to Assess Performance in Digital Game-Based Learning Systems","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.HC","authors_text":"Brian An, Donald E. Brown, Erfan Pakdamanian, Inki Kim","submitted_at":"2018-11-02T16:54:38Z","abstract_excerpt":"The recent growth of sophisticated digital gaming technologies has spawned an \\$8.1B industry around using these games for pedagogical purposes. Though Digital Game-Based Learning Systems have been adopted by industries ranging from military to medical applications, these systems continue to rely on traditional measures of explicit interactions to gauge player performance which can be subject to guessing and other factors unrelated to actual performance. This study presents a novel implicit eye-tracking based metric for digital game-based learning environments. The proposed metric introduces a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.00981","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":""},"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":"2026-05-18T00:01:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oeqY5dy5UIrRp5QGv9H9huz7xX3Rpko58Q0l6SomzM7G4JsswzO6vtjOPtDti+dgy2Jlp7o9k+srHhNwjXt4BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T15:01:53.891044Z"},"content_sha256":"55d32bb270ac987b7b806e21a7010cc0b0f88f3fa3d091dc3ac0815024535143","schema_version":"1.0","event_id":"sha256:55d32bb270ac987b7b806e21a7010cc0b0f88f3fa3d091dc3ac0815024535143"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CW56Q5GTDUO3LPZ446TRCLDIVR/bundle.json","state_url":"https://pith.science/pith/CW56Q5GTDUO3LPZ446TRCLDIVR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CW56Q5GTDUO3LPZ446TRCLDIVR/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":"2026-06-05T15:01:53Z","links":{"resolver":"https://pith.science/pith/CW56Q5GTDUO3LPZ446TRCLDIVR","bundle":"https://pith.science/pith/CW56Q5GTDUO3LPZ446TRCLDIVR/bundle.json","state":"https://pith.science/pith/CW56Q5GTDUO3LPZ446TRCLDIVR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CW56Q5GTDUO3LPZ446TRCLDIVR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CW56Q5GTDUO3LPZ446TRCLDIVR","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":"ccbd2929782a81019c0d273d006c981847dab29b6eb6a418cbd3eaedb684ec30","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2018-11-02T16:54:38Z","title_canon_sha256":"9cbcac8d5ff7ebc8a39623135a37dbdb99280daff714caa4f19dbca732c0d16a"},"schema_version":"1.0","source":{"id":"1811.00981","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.00981","created_at":"2026-05-18T00:01:39Z"},{"alias_kind":"arxiv_version","alias_value":"1811.00981v1","created_at":"2026-05-18T00:01:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.00981","created_at":"2026-05-18T00:01:39Z"},{"alias_kind":"pith_short_12","alias_value":"CW56Q5GTDUO3","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"CW56Q5GTDUO3LPZ4","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"CW56Q5GT","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:55d32bb270ac987b7b806e21a7010cc0b0f88f3fa3d091dc3ac0815024535143","target":"graph","created_at":"2026-05-18T00:01:39Z","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":"The recent growth of sophisticated digital gaming technologies has spawned an \\$8.1B industry around using these games for pedagogical purposes. Though Digital Game-Based Learning Systems have been adopted by industries ranging from military to medical applications, these systems continue to rely on traditional measures of explicit interactions to gauge player performance which can be subject to guessing and other factors unrelated to actual performance. This study presents a novel implicit eye-tracking based metric for digital game-based learning environments. The proposed metric introduces a","authors_text":"Brian An, Donald E. Brown, Erfan Pakdamanian, Inki Kim","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2018-11-02T16:54:38Z","title":"Exploring Gaze Behavior to Assess Performance in Digital Game-Based Learning Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.00981","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":"sha256:512fe8b368d9d13cb66fbedd08e2b2b363e1f5ea1fda36121fdba8652ece3eb8","target":"record","created_at":"2026-05-18T00:01:39Z","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":"ccbd2929782a81019c0d273d006c981847dab29b6eb6a418cbd3eaedb684ec30","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2018-11-02T16:54:38Z","title_canon_sha256":"9cbcac8d5ff7ebc8a39623135a37dbdb99280daff714caa4f19dbca732c0d16a"},"schema_version":"1.0","source":{"id":"1811.00981","kind":"arxiv","version":1}},"canonical_sha256":"15bbe874d31d1db5bf3ce7a7112c68ac6efe7bdd2d37d4db4c73e19ab057b922","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15bbe874d31d1db5bf3ce7a7112c68ac6efe7bdd2d37d4db4c73e19ab057b922","first_computed_at":"2026-05-18T00:01:39.746247Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:39.746247Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qR1usrWCTegBbK8l1sSn5gK77Wiyhy4oUFuoob0Uqtp0Y/k74cqMmGWWSI68PqX0CeM18hGKonCk3RI58zkxBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:39.746696Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.00981","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:512fe8b368d9d13cb66fbedd08e2b2b363e1f5ea1fda36121fdba8652ece3eb8","sha256:55d32bb270ac987b7b806e21a7010cc0b0f88f3fa3d091dc3ac0815024535143"],"state_sha256":"ba6c5306f9d313ed2b521c46f04aa72fcc57c26684227ec0c42d9fa08a6ce1cf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r+Xz6rjBrmyRKTSsKLQOiaMxRa2ia5R45jYpNPN5OGWBJmdqoKsKQth2bHA9q5JYAaCb0LKgnDAWXYUkGOzUDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T15:01:53.892921Z","bundle_sha256":"3b89213bbf6ea93f3ed1c8058cb62130da1c5a851526aaf2b77bde1d04720618"}}