{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:3NSCVW6SVCGWCZBA5JV2T7JNAU","short_pith_number":"pith:3NSCVW6S","canonical_record":{"source":{"id":"1707.04758","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.HO","submitted_at":"2017-07-15T16:35:12Z","cross_cats_sorted":[],"title_canon_sha256":"143c31aa6345710bc5f16aff441e63c2d500cb22fd6161b9ab10cfe2dd8be9c6","abstract_canon_sha256":"81d682d9f9fbff16a68b7da900aebf3fc779ff680f1c2609acc8e967234fb0d2"},"schema_version":"1.0"},"canonical_sha256":"db642adbd2a88d616420ea6ba9fd2d052193199ad65f84cc44cc7b6143e2492f","source":{"kind":"arxiv","id":"1707.04758","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.04758","created_at":"2026-05-18T00:40:12Z"},{"alias_kind":"arxiv_version","alias_value":"1707.04758v1","created_at":"2026-05-18T00:40:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.04758","created_at":"2026-05-18T00:40:12Z"},{"alias_kind":"pith_short_12","alias_value":"3NSCVW6SVCGW","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3NSCVW6SVCGWCZBA","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3NSCVW6S","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:3NSCVW6SVCGWCZBA5JV2T7JNAU","target":"record","payload":{"canonical_record":{"source":{"id":"1707.04758","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.HO","submitted_at":"2017-07-15T16:35:12Z","cross_cats_sorted":[],"title_canon_sha256":"143c31aa6345710bc5f16aff441e63c2d500cb22fd6161b9ab10cfe2dd8be9c6","abstract_canon_sha256":"81d682d9f9fbff16a68b7da900aebf3fc779ff680f1c2609acc8e967234fb0d2"},"schema_version":"1.0"},"canonical_sha256":"db642adbd2a88d616420ea6ba9fd2d052193199ad65f84cc44cc7b6143e2492f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:12.377787Z","signature_b64":"+AynS9ShX/vN/qqs+8FoPX1sntRzk5K0VZV814qx29Bgk4ucvqhDzsP8fLVsh7yk3XYL/VS38NdkIuNrn1dqBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"db642adbd2a88d616420ea6ba9fd2d052193199ad65f84cc44cc7b6143e2492f","last_reissued_at":"2026-05-18T00:40:12.377283Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:12.377283Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.04758","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":"2026-05-18T00:40:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kDyCvcPzhWH8eIvn+m3uekk3K8lzyqOoZ4V879yB4GDY0nUKuwP0gUrIsuqOe6yyED0vxltAzQfNrP43azk8CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T02:18:09.017689Z"},"content_sha256":"4acfba1ca52f4adbbe4164cd64da2716dce6e7997810483c5be16c36617f503c","schema_version":"1.0","event_id":"sha256:4acfba1ca52f4adbbe4164cd64da2716dce6e7997810483c5be16c36617f503c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:3NSCVW6SVCGWCZBA5JV2T7JNAU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Assessments in Mathematics, undergraduate degree","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"math.HO","authors_text":"Claire David","submitted_at":"2017-07-15T16:35:12Z","abstract_excerpt":"In the sequel, we question the validity of multiple choice questionnaires for undergraduate level math courses. Our study is based on courses given in major French universities, to numerous audiences."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.04758","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":"2026-05-18T00:40:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IxC5fF7pWEYkM6U+hXMsNxJ4udgn07InQYPcRLVPHWhfqEwOkHpb8Z2HdBbKxDyuMM1FL+JU8+ufh9guouM7Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T02:18:09.018026Z"},"content_sha256":"af1bcd286a39b1bacbb9d1c51e504b99101e4c870f44c194d254ab0b5e26b86e","schema_version":"1.0","event_id":"sha256:af1bcd286a39b1bacbb9d1c51e504b99101e4c870f44c194d254ab0b5e26b86e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3NSCVW6SVCGWCZBA5JV2T7JNAU/bundle.json","state_url":"https://pith.science/pith/3NSCVW6SVCGWCZBA5JV2T7JNAU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3NSCVW6SVCGWCZBA5JV2T7JNAU/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":"2026-06-03T02:18:09Z","links":{"resolver":"https://pith.science/pith/3NSCVW6SVCGWCZBA5JV2T7JNAU","bundle":"https://pith.science/pith/3NSCVW6SVCGWCZBA5JV2T7JNAU/bundle.json","state":"https://pith.science/pith/3NSCVW6SVCGWCZBA5JV2T7JNAU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3NSCVW6SVCGWCZBA5JV2T7JNAU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:3NSCVW6SVCGWCZBA5JV2T7JNAU","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":"81d682d9f9fbff16a68b7da900aebf3fc779ff680f1c2609acc8e967234fb0d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.HO","submitted_at":"2017-07-15T16:35:12Z","title_canon_sha256":"143c31aa6345710bc5f16aff441e63c2d500cb22fd6161b9ab10cfe2dd8be9c6"},"schema_version":"1.0","source":{"id":"1707.04758","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.04758","created_at":"2026-05-18T00:40:12Z"},{"alias_kind":"arxiv_version","alias_value":"1707.04758v1","created_at":"2026-05-18T00:40:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.04758","created_at":"2026-05-18T00:40:12Z"},{"alias_kind":"pith_short_12","alias_value":"3NSCVW6SVCGW","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"3NSCVW6SVCGWCZBA","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"3NSCVW6S","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:af1bcd286a39b1bacbb9d1c51e504b99101e4c870f44c194d254ab0b5e26b86e","target":"graph","created_at":"2026-05-18T00:40:12Z","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":"In the sequel, we question the validity of multiple choice questionnaires for undergraduate level math courses. Our study is based on courses given in major French universities, to numerous audiences.","authors_text":"Claire David","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.HO","submitted_at":"2017-07-15T16:35:12Z","title":"Assessments in Mathematics, undergraduate degree"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.04758","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":"sha256:4acfba1ca52f4adbbe4164cd64da2716dce6e7997810483c5be16c36617f503c","target":"record","created_at":"2026-05-18T00:40:12Z","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":"81d682d9f9fbff16a68b7da900aebf3fc779ff680f1c2609acc8e967234fb0d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"math.HO","submitted_at":"2017-07-15T16:35:12Z","title_canon_sha256":"143c31aa6345710bc5f16aff441e63c2d500cb22fd6161b9ab10cfe2dd8be9c6"},"schema_version":"1.0","source":{"id":"1707.04758","kind":"arxiv","version":1}},"canonical_sha256":"db642adbd2a88d616420ea6ba9fd2d052193199ad65f84cc44cc7b6143e2492f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"db642adbd2a88d616420ea6ba9fd2d052193199ad65f84cc44cc7b6143e2492f","first_computed_at":"2026-05-18T00:40:12.377283Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:40:12.377283Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+AynS9ShX/vN/qqs+8FoPX1sntRzk5K0VZV814qx29Bgk4ucvqhDzsP8fLVsh7yk3XYL/VS38NdkIuNrn1dqBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:40:12.377787Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.04758","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4acfba1ca52f4adbbe4164cd64da2716dce6e7997810483c5be16c36617f503c","sha256:af1bcd286a39b1bacbb9d1c51e504b99101e4c870f44c194d254ab0b5e26b86e"],"state_sha256":"6cc94fdf9bfc060ecc71b66f7c5d555c0a70c6de3edd4b7d99d0437ffbf752f1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QTWcO/Jw2QwDV7DliYVCyMGEwMcg9n9iB87GRL4S064rFGlvRBTYq2DqBuZY10A5+JW1ZiCAwcy4h+MZsnh+DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T02:18:09.019965Z","bundle_sha256":"3c269de785e4f2f61cd75962e0dc678f12e479b831e5f59d8f582a792b7d7c28"}}