{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ZBNE3W35WCD6UBKNUXBKML2IGJ","short_pith_number":"pith:ZBNE3W35","canonical_record":{"source":{"id":"1701.01867","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2017-01-07T18:58:57Z","cross_cats_sorted":[],"title_canon_sha256":"856c1cea1e7b8c4466e0d90c0065273fff878acd07b8e86f4d11905d8383b663","abstract_canon_sha256":"bf5b1a523922fa0eee125ae816799034e298fa9bdd658c4491eb63103569303a"},"schema_version":"1.0"},"canonical_sha256":"c85a4ddb7db087ea054da5c2a62f48327ee113f2d54bbd62ab71d381f27246f6","source":{"kind":"arxiv","id":"1701.01867","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.01867","created_at":"2026-05-18T00:43:18Z"},{"alias_kind":"arxiv_version","alias_value":"1701.01867v2","created_at":"2026-05-18T00:43:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.01867","created_at":"2026-05-18T00:43:18Z"},{"alias_kind":"pith_short_12","alias_value":"ZBNE3W35WCD6","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZBNE3W35WCD6UBKN","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZBNE3W35","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ZBNE3W35WCD6UBKNUXBKML2IGJ","target":"record","payload":{"canonical_record":{"source":{"id":"1701.01867","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2017-01-07T18:58:57Z","cross_cats_sorted":[],"title_canon_sha256":"856c1cea1e7b8c4466e0d90c0065273fff878acd07b8e86f4d11905d8383b663","abstract_canon_sha256":"bf5b1a523922fa0eee125ae816799034e298fa9bdd658c4491eb63103569303a"},"schema_version":"1.0"},"canonical_sha256":"c85a4ddb7db087ea054da5c2a62f48327ee113f2d54bbd62ab71d381f27246f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:18.043120Z","signature_b64":"l2Mc43MLQZlFVeCBd7S/btsoQh6phfxvLxlohiV/pZlv9z3noVauvEUb9NxWNdvf56KNWlEQtPP6VBSOqQwGAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c85a4ddb7db087ea054da5c2a62f48327ee113f2d54bbd62ab71d381f27246f6","last_reissued_at":"2026-05-18T00:43:18.042483Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:18.042483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.01867","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:43:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l5ott3Lwu4USOBs9FN1zB2GUFCpUeCMCnU6p0gOWAvjoRKI1hWcFbns7StT1j/PE4QDrJaDTjFNKv36cok2kCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T23:48:38.763158Z"},"content_sha256":"2c0d3e49d898c9403cb20e5695ef41e1aebc1c10ca642a03cdcf6ee6cfbd500e","schema_version":"1.0","event_id":"sha256:2c0d3e49d898c9403cb20e5695ef41e1aebc1c10ca642a03cdcf6ee6cfbd500e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ZBNE3W35WCD6UBKNUXBKML2IGJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Game-Centered, Interactive Approach for Using Programming Exercises in Introductory Physics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.ed-ph","authors_text":"Chris A. Britt, Chris Orban, Chris Porter, Joseph R. H. Smith, Kathy A. Harper, Nash K. Brecht, Richelle M. Teeling-Smith","submitted_at":"2017-01-07T18:58:57Z","abstract_excerpt":"Incorporating computer programming exercises in introductory physics is a delicate task that involves a number of choices that may have a strong affect on student learning. We present an approach that speaks to a number of common concerns that arise when using programming exercises in introductory physics classes where most students are absolute beginner programmers. These students need an approach that is (1) simple, involving 75 or fewer lines of well-commented code, (2) easy to use, with browser-based coding tools, (3) interactive, with a high frame rate to give a video-game like feel, (4) "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.01867","kind":"arxiv","version":2},"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":"2026-05-18T00:43:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ipDacwAhO406Y8O5Qt+AaoTeLPm2SWkS/GLpdvPMf/gu83bKTA+2ozIZfPWUftWq8nPZKLXw7/lEVV1gWdKNDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T23:48:38.763843Z"},"content_sha256":"60d5af4b820a9a6afa0a7997ec2e164e056f4ddc6444298f28b533c7389afac7","schema_version":"1.0","event_id":"sha256:60d5af4b820a9a6afa0a7997ec2e164e056f4ddc6444298f28b533c7389afac7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZBNE3W35WCD6UBKNUXBKML2IGJ/bundle.json","state_url":"https://pith.science/pith/ZBNE3W35WCD6UBKNUXBKML2IGJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZBNE3W35WCD6UBKNUXBKML2IGJ/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":"2026-06-09T23:48:38Z","links":{"resolver":"https://pith.science/pith/ZBNE3W35WCD6UBKNUXBKML2IGJ","bundle":"https://pith.science/pith/ZBNE3W35WCD6UBKNUXBKML2IGJ/bundle.json","state":"https://pith.science/pith/ZBNE3W35WCD6UBKNUXBKML2IGJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZBNE3W35WCD6UBKNUXBKML2IGJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ZBNE3W35WCD6UBKNUXBKML2IGJ","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":"bf5b1a523922fa0eee125ae816799034e298fa9bdd658c4491eb63103569303a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2017-01-07T18:58:57Z","title_canon_sha256":"856c1cea1e7b8c4466e0d90c0065273fff878acd07b8e86f4d11905d8383b663"},"schema_version":"1.0","source":{"id":"1701.01867","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.01867","created_at":"2026-05-18T00:43:18Z"},{"alias_kind":"arxiv_version","alias_value":"1701.01867v2","created_at":"2026-05-18T00:43:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.01867","created_at":"2026-05-18T00:43:18Z"},{"alias_kind":"pith_short_12","alias_value":"ZBNE3W35WCD6","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZBNE3W35WCD6UBKN","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZBNE3W35","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:60d5af4b820a9a6afa0a7997ec2e164e056f4ddc6444298f28b533c7389afac7","target":"graph","created_at":"2026-05-18T00:43:18Z","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":"Incorporating computer programming exercises in introductory physics is a delicate task that involves a number of choices that may have a strong affect on student learning. We present an approach that speaks to a number of common concerns that arise when using programming exercises in introductory physics classes where most students are absolute beginner programmers. These students need an approach that is (1) simple, involving 75 or fewer lines of well-commented code, (2) easy to use, with browser-based coding tools, (3) interactive, with a high frame rate to give a video-game like feel, (4) ","authors_text":"Chris A. Britt, Chris Orban, Chris Porter, Joseph R. H. Smith, Kathy A. Harper, Nash K. Brecht, Richelle M. Teeling-Smith","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2017-01-07T18:58:57Z","title":"A Game-Centered, Interactive Approach for Using Programming Exercises in Introductory Physics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.01867","kind":"arxiv","version":2},"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":"sha256:2c0d3e49d898c9403cb20e5695ef41e1aebc1c10ca642a03cdcf6ee6cfbd500e","target":"record","created_at":"2026-05-18T00:43:18Z","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":"bf5b1a523922fa0eee125ae816799034e298fa9bdd658c4491eb63103569303a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2017-01-07T18:58:57Z","title_canon_sha256":"856c1cea1e7b8c4466e0d90c0065273fff878acd07b8e86f4d11905d8383b663"},"schema_version":"1.0","source":{"id":"1701.01867","kind":"arxiv","version":2}},"canonical_sha256":"c85a4ddb7db087ea054da5c2a62f48327ee113f2d54bbd62ab71d381f27246f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c85a4ddb7db087ea054da5c2a62f48327ee113f2d54bbd62ab71d381f27246f6","first_computed_at":"2026-05-18T00:43:18.042483Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:18.042483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l2Mc43MLQZlFVeCBd7S/btsoQh6phfxvLxlohiV/pZlv9z3noVauvEUb9NxWNdvf56KNWlEQtPP6VBSOqQwGAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:18.043120Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.01867","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2c0d3e49d898c9403cb20e5695ef41e1aebc1c10ca642a03cdcf6ee6cfbd500e","sha256:60d5af4b820a9a6afa0a7997ec2e164e056f4ddc6444298f28b533c7389afac7"],"state_sha256":"48abdca1ed644d9809b19a46fd3a8d142ef6cd481c8db6f5d4671219c6bda2e8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fVFLKoaW4QPz3yeGkYdMK+PDPGPtHze2dBzC7YBUj/WWSOYRFmo0ax2q0a6IBn6qogvAiUhWaqn0qb0C1A3LAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T23:48:38.767833Z","bundle_sha256":"123140f4b6c81cf510a63fb391871207c09d861fc0b9c2cee1a67a2cdeac566d"}}