{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:PXNMLWPX7UDYJDWI2ZS7RNYIIB","short_pith_number":"pith:PXNMLWPX","canonical_record":{"source":{"id":"2001.02985","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2020-01-09T13:59:20Z","cross_cats_sorted":[],"title_canon_sha256":"d5a3245c33ddf3112f6f3027014582954bc42bb9766d06f4b2faa393b0653b33","abstract_canon_sha256":"e1cc0f2eed1c7ecc85283baad9833a4204dbd1cced83b6f88227cd245a4c9649"},"schema_version":"1.0"},"canonical_sha256":"7ddac5d9f7fd07848ec8d665f8b7084078d0ee92b653321a1c50d169c7733e5a","source":{"kind":"arxiv","id":"2001.02985","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.02985","created_at":"2026-07-05T00:32:32Z"},{"alias_kind":"arxiv_version","alias_value":"2001.02985v1","created_at":"2026-07-05T00:32:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.02985","created_at":"2026-07-05T00:32:32Z"},{"alias_kind":"pith_short_12","alias_value":"PXNMLWPX7UDY","created_at":"2026-07-05T00:32:32Z"},{"alias_kind":"pith_short_16","alias_value":"PXNMLWPX7UDYJDWI","created_at":"2026-07-05T00:32:32Z"},{"alias_kind":"pith_short_8","alias_value":"PXNMLWPX","created_at":"2026-07-05T00:32:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:PXNMLWPX7UDYJDWI2ZS7RNYIIB","target":"record","payload":{"canonical_record":{"source":{"id":"2001.02985","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2020-01-09T13:59:20Z","cross_cats_sorted":[],"title_canon_sha256":"d5a3245c33ddf3112f6f3027014582954bc42bb9766d06f4b2faa393b0653b33","abstract_canon_sha256":"e1cc0f2eed1c7ecc85283baad9833a4204dbd1cced83b6f88227cd245a4c9649"},"schema_version":"1.0"},"canonical_sha256":"7ddac5d9f7fd07848ec8d665f8b7084078d0ee92b653321a1c50d169c7733e5a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:32:32.495006Z","signature_b64":"p/D+wKjQY/ygsXkH2jsH/QNnQIQtQZdSxQWNZPpOpKxMhVg0qP1BLKbcLYrzaYR2XyrDQsK+7AAWiyGWCBmwCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ddac5d9f7fd07848ec8d665f8b7084078d0ee92b653321a1c50d169c7733e5a","last_reissued_at":"2026-07-05T00:32:32.494663Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:32:32.494663Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.02985","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":"2026-07-05T00:32:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"33YKsp7SY7xLgtrmq5+E1znmDGHNLB2jrWLFdtnKtzudR5olgjDc3Li6U9r5N83jmpnYLcsNLQXrDMmrjx4iCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T06:03:09.022113Z"},"content_sha256":"f653fb8392d462442280c7fba90226c0805ac2c4abe0be5713815b0c4e5c6eb6","schema_version":"1.0","event_id":"sha256:f653fb8392d462442280c7fba90226c0805ac2c4abe0be5713815b0c4e5c6eb6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:PXNMLWPX7UDYJDWI2ZS7RNYIIB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The TA Framework: Designing Real-time Teaching Augmentation for K-12 Classrooms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.HC","authors_text":"Bernice d'Anjou, Berry Eggen, Kenneth Holstein, Pengcheng An, Saskia Bakker","submitted_at":"2020-01-09T13:59:20Z","abstract_excerpt":"Recently, the HCI community has seen increased interest in the design of teaching augmentation (TA): tools that extend and complement teachers' pedagogical abilities during ongoing classroom activities. Examples of TA systems are emerging across multiple disciplines, taking various forms: e.g., ambient displays, wearables, or learning analytics dashboards. However, these diverse examples have not been analyzed together to derive more fundamental insights into the design of teaching augmentation. Addressing this opportunity, we broadly synthesize existing cases to propose the TA framework. Our "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.02985","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2001.02985/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:32:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xHmZIh39DibT80O6OGWI5BNaNqF8dTS5NvcmCjkVUSbQ4ijo/r/KUAifrM5DU/sdE/gd0072VMmv9G3CvgXaDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-09T06:03:09.022505Z"},"content_sha256":"78044f3b56c6985bc9e303ac66737c43960715484ebf4ddef90d0239e8a48775","schema_version":"1.0","event_id":"sha256:78044f3b56c6985bc9e303ac66737c43960715484ebf4ddef90d0239e8a48775"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PXNMLWPX7UDYJDWI2ZS7RNYIIB/bundle.json","state_url":"https://pith.science/pith/PXNMLWPX7UDYJDWI2ZS7RNYIIB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PXNMLWPX7UDYJDWI2ZS7RNYIIB/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":"2026-07-09T06:03:09Z","links":{"resolver":"https://pith.science/pith/PXNMLWPX7UDYJDWI2ZS7RNYIIB","bundle":"https://pith.science/pith/PXNMLWPX7UDYJDWI2ZS7RNYIIB/bundle.json","state":"https://pith.science/pith/PXNMLWPX7UDYJDWI2ZS7RNYIIB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PXNMLWPX7UDYJDWI2ZS7RNYIIB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:PXNMLWPX7UDYJDWI2ZS7RNYIIB","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":"e1cc0f2eed1c7ecc85283baad9833a4204dbd1cced83b6f88227cd245a4c9649","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2020-01-09T13:59:20Z","title_canon_sha256":"d5a3245c33ddf3112f6f3027014582954bc42bb9766d06f4b2faa393b0653b33"},"schema_version":"1.0","source":{"id":"2001.02985","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.02985","created_at":"2026-07-05T00:32:32Z"},{"alias_kind":"arxiv_version","alias_value":"2001.02985v1","created_at":"2026-07-05T00:32:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.02985","created_at":"2026-07-05T00:32:32Z"},{"alias_kind":"pith_short_12","alias_value":"PXNMLWPX7UDY","created_at":"2026-07-05T00:32:32Z"},{"alias_kind":"pith_short_16","alias_value":"PXNMLWPX7UDYJDWI","created_at":"2026-07-05T00:32:32Z"},{"alias_kind":"pith_short_8","alias_value":"PXNMLWPX","created_at":"2026-07-05T00:32:32Z"}],"graph_snapshots":[{"event_id":"sha256:78044f3b56c6985bc9e303ac66737c43960715484ebf4ddef90d0239e8a48775","target":"graph","created_at":"2026-07-05T00:32:32Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2001.02985/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Recently, the HCI community has seen increased interest in the design of teaching augmentation (TA): tools that extend and complement teachers' pedagogical abilities during ongoing classroom activities. Examples of TA systems are emerging across multiple disciplines, taking various forms: e.g., ambient displays, wearables, or learning analytics dashboards. However, these diverse examples have not been analyzed together to derive more fundamental insights into the design of teaching augmentation. Addressing this opportunity, we broadly synthesize existing cases to propose the TA framework. Our ","authors_text":"Bernice d'Anjou, Berry Eggen, Kenneth Holstein, Pengcheng An, Saskia Bakker","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2020-01-09T13:59:20Z","title":"The TA Framework: Designing Real-time Teaching Augmentation for K-12 Classrooms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.02985","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:f653fb8392d462442280c7fba90226c0805ac2c4abe0be5713815b0c4e5c6eb6","target":"record","created_at":"2026-07-05T00:32:32Z","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":"e1cc0f2eed1c7ecc85283baad9833a4204dbd1cced83b6f88227cd245a4c9649","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2020-01-09T13:59:20Z","title_canon_sha256":"d5a3245c33ddf3112f6f3027014582954bc42bb9766d06f4b2faa393b0653b33"},"schema_version":"1.0","source":{"id":"2001.02985","kind":"arxiv","version":1}},"canonical_sha256":"7ddac5d9f7fd07848ec8d665f8b7084078d0ee92b653321a1c50d169c7733e5a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ddac5d9f7fd07848ec8d665f8b7084078d0ee92b653321a1c50d169c7733e5a","first_computed_at":"2026-07-05T00:32:32.494663Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:32:32.494663Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"p/D+wKjQY/ygsXkH2jsH/QNnQIQtQZdSxQWNZPpOpKxMhVg0qP1BLKbcLYrzaYR2XyrDQsK+7AAWiyGWCBmwCg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:32:32.495006Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.02985","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f653fb8392d462442280c7fba90226c0805ac2c4abe0be5713815b0c4e5c6eb6","sha256:78044f3b56c6985bc9e303ac66737c43960715484ebf4ddef90d0239e8a48775"],"state_sha256":"fde364cfbd0ec41a951478ce1d2ef5334881ed9e957d6c121b7a7ef3fa637f53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PbUDZ9kO09GVuFWATJ0NqKjvFors22HF0ZCVqEKsMUdD7KSAmO880I4a6KME5creiYH4NqvZNAHuIEUWLjpKCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-09T06:03:09.025273Z","bundle_sha256":"5f4ca0e06817f17a3f9989c54d423af2ffd2a6cda555c915240af829773e6dc2"}}