{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:K67HUBWKDQATOKA3WQVN7AYOXN","short_pith_number":"pith:K67HUBWK","canonical_record":{"source":{"id":"1602.06390","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2016-02-20T09:56:43Z","cross_cats_sorted":[],"title_canon_sha256":"87b20de2e85827d8389b27af9a6da51622f85e6ac01edadd2f3266da56399900","abstract_canon_sha256":"286f17aa475c3ca9b0dcab99eb0bda2a7450ab9d105cb9e51f6ee2f588a5310e"},"schema_version":"1.0"},"canonical_sha256":"57be7a06ca1c0137281bb42adf830ebb7236bb7039f0e579d8177648e6ea85bb","source":{"kind":"arxiv","id":"1602.06390","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.06390","created_at":"2026-05-18T01:20:14Z"},{"alias_kind":"arxiv_version","alias_value":"1602.06390v1","created_at":"2026-05-18T01:20:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.06390","created_at":"2026-05-18T01:20:14Z"},{"alias_kind":"pith_short_12","alias_value":"K67HUBWKDQAT","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"K67HUBWKDQATOKA3","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"K67HUBWK","created_at":"2026-05-18T12:30:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:K67HUBWKDQATOKA3WQVN7AYOXN","target":"record","payload":{"canonical_record":{"source":{"id":"1602.06390","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2016-02-20T09:56:43Z","cross_cats_sorted":[],"title_canon_sha256":"87b20de2e85827d8389b27af9a6da51622f85e6ac01edadd2f3266da56399900","abstract_canon_sha256":"286f17aa475c3ca9b0dcab99eb0bda2a7450ab9d105cb9e51f6ee2f588a5310e"},"schema_version":"1.0"},"canonical_sha256":"57be7a06ca1c0137281bb42adf830ebb7236bb7039f0e579d8177648e6ea85bb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:14.177745Z","signature_b64":"M6LtimsQi23r3fhplnFL3tc1cLGZxJZvm725NVIisWQ6rW24nPN1q3ZkgEyezP9+HGZrGiEjYRvypf0peFeLDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"57be7a06ca1c0137281bb42adf830ebb7236bb7039f0e579d8177648e6ea85bb","last_reissued_at":"2026-05-18T01:20:14.177084Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:14.177084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.06390","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":"2026-05-18T01:20:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rLLCI6Kgw6hq+MKhxiHWjkE/UxCtgTOszQWFkVHGSdGbci0h+2CVLcr5pu+vhRlTLup6plg9OjB5JWPVxF27CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:52:24.890930Z"},"content_sha256":"53e26d31771365be5480ff0264cd811a8d428981dfbaf0526879ece5e0268208","schema_version":"1.0","event_id":"sha256:53e26d31771365be5480ff0264cd811a8d428981dfbaf0526879ece5e0268208"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:K67HUBWKDQATOKA3WQVN7AYOXN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Using Analogical Problem Solving with Different Scaffolding Supports to Learn about Friction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ed-ph","authors_text":"Chandralekha Singh, Shih-Yin Lin","submitted_at":"2016-02-20T09:56:43Z","abstract_excerpt":"Prior research suggests that many students believe that the magnitude of the static frictional force is always equal to its maximum value. Here, we examine introductory students' ability to learn from analogical reasoning (with different scaffolding supports provided) between two problems that are similar in terms of the physics principle involved but one problem involves static friction, which often triggers the misleading notion. To help students process through the analogy deeply and contemplate whether the static frictional force was at its maximum value, students in different recitation c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.06390","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":"2026-05-18T01:20:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bs9ox4mrRb5qgoUbdA7P21qCFvASyHikn3QHpXHoZLVk4uXt+D+PzoLE6gI31DgMTJD6eLGRMjIjr7UuR+Q4Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:52:24.891544Z"},"content_sha256":"52db145c5dffe4ef6b901a1fe7a78a3f173d46ead0bc3a55d7cf3a989caa925f","schema_version":"1.0","event_id":"sha256:52db145c5dffe4ef6b901a1fe7a78a3f173d46ead0bc3a55d7cf3a989caa925f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K67HUBWKDQATOKA3WQVN7AYOXN/bundle.json","state_url":"https://pith.science/pith/K67HUBWKDQATOKA3WQVN7AYOXN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K67HUBWKDQATOKA3WQVN7AYOXN/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":"2026-06-01T02:52:24Z","links":{"resolver":"https://pith.science/pith/K67HUBWKDQATOKA3WQVN7AYOXN","bundle":"https://pith.science/pith/K67HUBWKDQATOKA3WQVN7AYOXN/bundle.json","state":"https://pith.science/pith/K67HUBWKDQATOKA3WQVN7AYOXN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K67HUBWKDQATOKA3WQVN7AYOXN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:K67HUBWKDQATOKA3WQVN7AYOXN","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":"286f17aa475c3ca9b0dcab99eb0bda2a7450ab9d105cb9e51f6ee2f588a5310e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2016-02-20T09:56:43Z","title_canon_sha256":"87b20de2e85827d8389b27af9a6da51622f85e6ac01edadd2f3266da56399900"},"schema_version":"1.0","source":{"id":"1602.06390","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.06390","created_at":"2026-05-18T01:20:14Z"},{"alias_kind":"arxiv_version","alias_value":"1602.06390v1","created_at":"2026-05-18T01:20:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.06390","created_at":"2026-05-18T01:20:14Z"},{"alias_kind":"pith_short_12","alias_value":"K67HUBWKDQAT","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_16","alias_value":"K67HUBWKDQATOKA3","created_at":"2026-05-18T12:30:25Z"},{"alias_kind":"pith_short_8","alias_value":"K67HUBWK","created_at":"2026-05-18T12:30:25Z"}],"graph_snapshots":[{"event_id":"sha256:52db145c5dffe4ef6b901a1fe7a78a3f173d46ead0bc3a55d7cf3a989caa925f","target":"graph","created_at":"2026-05-18T01:20:14Z","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":"Prior research suggests that many students believe that the magnitude of the static frictional force is always equal to its maximum value. Here, we examine introductory students' ability to learn from analogical reasoning (with different scaffolding supports provided) between two problems that are similar in terms of the physics principle involved but one problem involves static friction, which often triggers the misleading notion. To help students process through the analogy deeply and contemplate whether the static frictional force was at its maximum value, students in different recitation c","authors_text":"Chandralekha Singh, Shih-Yin Lin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2016-02-20T09:56:43Z","title":"Using Analogical Problem Solving with Different Scaffolding Supports to Learn about Friction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.06390","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":"sha256:53e26d31771365be5480ff0264cd811a8d428981dfbaf0526879ece5e0268208","target":"record","created_at":"2026-05-18T01:20:14Z","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":"286f17aa475c3ca9b0dcab99eb0bda2a7450ab9d105cb9e51f6ee2f588a5310e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2016-02-20T09:56:43Z","title_canon_sha256":"87b20de2e85827d8389b27af9a6da51622f85e6ac01edadd2f3266da56399900"},"schema_version":"1.0","source":{"id":"1602.06390","kind":"arxiv","version":1}},"canonical_sha256":"57be7a06ca1c0137281bb42adf830ebb7236bb7039f0e579d8177648e6ea85bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"57be7a06ca1c0137281bb42adf830ebb7236bb7039f0e579d8177648e6ea85bb","first_computed_at":"2026-05-18T01:20:14.177084Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:14.177084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M6LtimsQi23r3fhplnFL3tc1cLGZxJZvm725NVIisWQ6rW24nPN1q3ZkgEyezP9+HGZrGiEjYRvypf0peFeLDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:14.177745Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.06390","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53e26d31771365be5480ff0264cd811a8d428981dfbaf0526879ece5e0268208","sha256:52db145c5dffe4ef6b901a1fe7a78a3f173d46ead0bc3a55d7cf3a989caa925f"],"state_sha256":"1cf0fe353df14ce1c5775d4b3704a3be4926486f44c173bbebac1576214ce0db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ti3UhoTVvJ0rGauoOxWZZ0HGzv6rbg/v2BqIiy5Ozg1R+8NF0RaUv/UZ4VnpFDv04UfU7MbeD4C1B2nnqB17Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:52:24.894807Z","bundle_sha256":"5747e24c7c8536cbd349a9a9ae43554fe60a76bc1291fdcabe20157b68176bc3"}}