{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:LALZRTSQYRZFRIOKBYU7ZTVRS7","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":"b5b199069a39b201739af07287010be972f762d7ee853087d3613cd6082f3bc2","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2010-06-01T16:42:31Z","title_canon_sha256":"856c8e227e25aa4d2799b062e2dbdff1015ff39bad2533c2fe7725cbe1b6939e"},"schema_version":"1.0","source":{"id":"1006.0179","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.0179","created_at":"2026-05-18T00:05:08Z"},{"alias_kind":"arxiv_version","alias_value":"1006.0179v1","created_at":"2026-05-18T00:05:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.0179","created_at":"2026-05-18T00:05:08Z"},{"alias_kind":"pith_short_12","alias_value":"LALZRTSQYRZF","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LALZRTSQYRZFRIOK","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LALZRTSQ","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:7489d2a7e4a313c408a4c4aaa1a49a6289c8785f4f5ff76ca91a2ddd65b366a0","target":"graph","created_at":"2026-05-18T00:05:08Z","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":"Recent studies have shown that not only primary school students but also their future teachers reach science courses with pre-constructed and consistent models of the world surrounding them. These ideas include many misconceptions which turn out to be robust and hence make difficult an appropriate teaching-learning process. We have designed some tools that proved helpful in putting in evidence some of the most frequently used alternative models on a few basic astronomical notions. We have tested these tools with preservice elementary teachers from various normal schools in Buenos Aires and mad","authors_text":"Alejandro Gangui, Cynthia Quinteros, Maria Iglesias","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2010-06-01T16:42:31Z","title":"Some remarks on a current study involving preservice elementary teachers and some basic astronomical phenomena"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.0179","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:e9e1695710ddd2c9a3b0475b8de3314fa27e1cdba7df6c5d1cafa17c5bfbd71c","target":"record","created_at":"2026-05-18T00:05:08Z","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":"b5b199069a39b201739af07287010be972f762d7ee853087d3613cd6082f3bc2","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2010-06-01T16:42:31Z","title_canon_sha256":"856c8e227e25aa4d2799b062e2dbdff1015ff39bad2533c2fe7725cbe1b6939e"},"schema_version":"1.0","source":{"id":"1006.0179","kind":"arxiv","version":1}},"canonical_sha256":"581798ce50c47258a1ca0e29fcceb197e9599a1f95338f363255c1f7383e1da3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"581798ce50c47258a1ca0e29fcceb197e9599a1f95338f363255c1f7383e1da3","first_computed_at":"2026-05-18T00:05:08.302789Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:08.302789Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WKj3znpTpfgqVogFyoYmPTCrFkb1xpE++3vD3vAKm2fUVDc1za8oTZXymRPCGs8CpoAJfYN1JSoiFEN4M38dCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:08.303434Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.0179","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9e1695710ddd2c9a3b0475b8de3314fa27e1cdba7df6c5d1cafa17c5bfbd71c","sha256:7489d2a7e4a313c408a4c4aaa1a49a6289c8785f4f5ff76ca91a2ddd65b366a0"],"state_sha256":"eb95559f705850a67a41f56d44a634cb46c762173fae8e1180c9338107b3e6a3"}