{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:MX64CVHQIGTMADMEVU67PFQVNF","short_pith_number":"pith:MX64CVHQ","canonical_record":{"source":{"id":"1502.02370","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2015-02-09T05:38:43Z","cross_cats_sorted":[],"title_canon_sha256":"7e1fa05d2ba7fd7358d6f857aaab01902ea93944f32d0b66f9ce3843de800045","abstract_canon_sha256":"6b847cf5bd7f95c6ecbebc879228c7867ed3acd865debfa266e344d2dfd4c297"},"schema_version":"1.0"},"canonical_sha256":"65fdc154f041a6c00d84ad3df79615695d9cc2bf9df4c5721ab752294b186b06","source":{"kind":"arxiv","id":"1502.02370","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.02370","created_at":"2026-05-18T02:27:42Z"},{"alias_kind":"arxiv_version","alias_value":"1502.02370v1","created_at":"2026-05-18T02:27:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.02370","created_at":"2026-05-18T02:27:42Z"},{"alias_kind":"pith_short_12","alias_value":"MX64CVHQIGTM","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MX64CVHQIGTMADME","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MX64CVHQ","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:MX64CVHQIGTMADMEVU67PFQVNF","target":"record","payload":{"canonical_record":{"source":{"id":"1502.02370","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2015-02-09T05:38:43Z","cross_cats_sorted":[],"title_canon_sha256":"7e1fa05d2ba7fd7358d6f857aaab01902ea93944f32d0b66f9ce3843de800045","abstract_canon_sha256":"6b847cf5bd7f95c6ecbebc879228c7867ed3acd865debfa266e344d2dfd4c297"},"schema_version":"1.0"},"canonical_sha256":"65fdc154f041a6c00d84ad3df79615695d9cc2bf9df4c5721ab752294b186b06","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:27:42.694603Z","signature_b64":"DAA8e1WF37d+oh/98RcaW6qF4oYNfJHcx8+KXFKScTDm77rMBzDKvJaLWdl+IE0Edl/XJHjtrqV9GqSM1hzkAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"65fdc154f041a6c00d84ad3df79615695d9cc2bf9df4c5721ab752294b186b06","last_reissued_at":"2026-05-18T02:27:42.693873Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:27:42.693873Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.02370","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":"2026-05-18T02:27:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vm5my5MD9wIOnz2YaP155/oF7u3qE7xB6MU087ZCc3eNK9hu1c721oelgoF/0MsOLEljPEdPXTmQbFZGKHpYBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T01:08:45.698045Z"},"content_sha256":"03075bb472de9b6a1a4628b9eb83089585a281a96c61505584a7a73356678a9d","schema_version":"1.0","event_id":"sha256:03075bb472de9b6a1a4628b9eb83089585a281a96c61505584a7a73356678a9d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:MX64CVHQIGTMADMEVU67PFQVNF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Teachable Agent","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.CY","authors_text":"Ailiya Borjigin","submitted_at":"2015-02-09T05:38:43Z","abstract_excerpt":"Teachable Agent (TA) is a special type of pedagogical agent which instantiates the educational theory of Learning by Teaching. Soon after its emergence, research of TA becomes an active field, as it can solve the over scaffolded problem in traditional pedagogical systems, and encourage students to take the responsibility of learning. Apart from the benefits, existing TA design also has limitations. One is the lack of enough proactive interactions with students during the learning process, and the other is the lack of believability to arouse students empathy so as to offer students an immersive"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.02370","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":"2026-05-18T02:27:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bw7R38pMEqxgW2O0AABh7857J7M356Q9qHBq79VE3ts/Gg7OHlVER7lpr8JGuoNcPD0k4gsSQ/W7MZeI59IDCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T01:08:45.698406Z"},"content_sha256":"a4b9763cfe6c9f3f5b0b6438758514c6b8b90d635b98659f618a69e3d511a879","schema_version":"1.0","event_id":"sha256:a4b9763cfe6c9f3f5b0b6438758514c6b8b90d635b98659f618a69e3d511a879"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MX64CVHQIGTMADMEVU67PFQVNF/bundle.json","state_url":"https://pith.science/pith/MX64CVHQIGTMADMEVU67PFQVNF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MX64CVHQIGTMADMEVU67PFQVNF/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":"2026-07-03T01:08:45Z","links":{"resolver":"https://pith.science/pith/MX64CVHQIGTMADMEVU67PFQVNF","bundle":"https://pith.science/pith/MX64CVHQIGTMADMEVU67PFQVNF/bundle.json","state":"https://pith.science/pith/MX64CVHQIGTMADMEVU67PFQVNF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MX64CVHQIGTMADMEVU67PFQVNF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:MX64CVHQIGTMADMEVU67PFQVNF","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":"6b847cf5bd7f95c6ecbebc879228c7867ed3acd865debfa266e344d2dfd4c297","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2015-02-09T05:38:43Z","title_canon_sha256":"7e1fa05d2ba7fd7358d6f857aaab01902ea93944f32d0b66f9ce3843de800045"},"schema_version":"1.0","source":{"id":"1502.02370","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.02370","created_at":"2026-05-18T02:27:42Z"},{"alias_kind":"arxiv_version","alias_value":"1502.02370v1","created_at":"2026-05-18T02:27:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.02370","created_at":"2026-05-18T02:27:42Z"},{"alias_kind":"pith_short_12","alias_value":"MX64CVHQIGTM","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"MX64CVHQIGTMADME","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"MX64CVHQ","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:a4b9763cfe6c9f3f5b0b6438758514c6b8b90d635b98659f618a69e3d511a879","target":"graph","created_at":"2026-05-18T02:27:42Z","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":"Teachable Agent (TA) is a special type of pedagogical agent which instantiates the educational theory of Learning by Teaching. Soon after its emergence, research of TA becomes an active field, as it can solve the over scaffolded problem in traditional pedagogical systems, and encourage students to take the responsibility of learning. Apart from the benefits, existing TA design also has limitations. One is the lack of enough proactive interactions with students during the learning process, and the other is the lack of believability to arouse students empathy so as to offer students an immersive","authors_text":"Ailiya Borjigin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2015-02-09T05:38:43Z","title":"Teachable Agent"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.02370","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":"sha256:03075bb472de9b6a1a4628b9eb83089585a281a96c61505584a7a73356678a9d","target":"record","created_at":"2026-05-18T02:27:42Z","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":"6b847cf5bd7f95c6ecbebc879228c7867ed3acd865debfa266e344d2dfd4c297","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2015-02-09T05:38:43Z","title_canon_sha256":"7e1fa05d2ba7fd7358d6f857aaab01902ea93944f32d0b66f9ce3843de800045"},"schema_version":"1.0","source":{"id":"1502.02370","kind":"arxiv","version":1}},"canonical_sha256":"65fdc154f041a6c00d84ad3df79615695d9cc2bf9df4c5721ab752294b186b06","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"65fdc154f041a6c00d84ad3df79615695d9cc2bf9df4c5721ab752294b186b06","first_computed_at":"2026-05-18T02:27:42.693873Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:27:42.693873Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DAA8e1WF37d+oh/98RcaW6qF4oYNfJHcx8+KXFKScTDm77rMBzDKvJaLWdl+IE0Edl/XJHjtrqV9GqSM1hzkAw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:27:42.694603Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.02370","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:03075bb472de9b6a1a4628b9eb83089585a281a96c61505584a7a73356678a9d","sha256:a4b9763cfe6c9f3f5b0b6438758514c6b8b90d635b98659f618a69e3d511a879"],"state_sha256":"39359f81aced53d1012a1a9e04663f0fd9dc95fdd5b2183539ef7358e20d0c7a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Lh0Tx1XHHZxoui/colT03h9B76vkYgsmHmOciWRlQniRoIg+Hp9A1CnMFG/PtEWgEfl1EOdJToOpusnFFrPCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T01:08:45.700343Z","bundle_sha256":"7bb3e9b875870f1396d21da1cf89b9ed7db64477791fa02671bee182e7d5edb5"}}