{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:P5OERF3UY2L5QMIAHMK5EHKDQL","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":"88cfff6549a3224af534e28925467f7074d14c83001d177cdf4b432b3085db1b","cross_cats_sorted":["cs.LO","cs.MS","cs.SC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2012-02-21T05:56:10Z","title_canon_sha256":"cb60e87dbd25177d721977b46672c3bbe7a41bb999d3bb7f584fbe07f3075f27"},"schema_version":"1.0","source":{"id":"1202.4535","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.4535","created_at":"2026-05-18T04:01:50Z"},{"alias_kind":"arxiv_version","alias_value":"1202.4535v1","created_at":"2026-05-18T04:01:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.4535","created_at":"2026-05-18T04:01:50Z"},{"alias_kind":"pith_short_12","alias_value":"P5OERF3UY2L5","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_16","alias_value":"P5OERF3UY2L5QMIA","created_at":"2026-05-18T12:27:18Z"},{"alias_kind":"pith_short_8","alias_value":"P5OERF3U","created_at":"2026-05-18T12:27:18Z"}],"graph_snapshots":[{"event_id":"sha256:225ad7609db1d49bb180322837d198ed5cbd31e4875bc777d9059fee055d7590","target":"graph","created_at":"2026-05-18T04:01:50Z","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":"The THedu'11 workshop received thirteen submissions, twelve of which were accepted and presented during the workshop. For the post-conference proceedings nine submission where received and accepted. The submissions are within the scope of the following points, which have been announced in the call of papers: CTP-based software tools for education; CTP technology combined with novel interfaces, drag and drop, etc.; technologies to access ITP knowledge relevant for a certain step of problem solving; usability considerations on representing ITP knowledge; combination of deduction and computation;","authors_text":"Finland), Pedro Quaresma (University of Coimbra, Portugal), Ralph-Johan Back ({\\AA}bo Akademi University","cross_cats":["cs.LO","cs.MS","cs.SC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2012-02-21T05:56:10Z","title":"Proceedings First Workshop on CTP Components for Educational Software"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.4535","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:c69419cd5b0b4b21a8617c128f8704eccf353d60f9d3f159ced72feefa218ffa","target":"record","created_at":"2026-05-18T04:01:50Z","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":"88cfff6549a3224af534e28925467f7074d14c83001d177cdf4b432b3085db1b","cross_cats_sorted":["cs.LO","cs.MS","cs.SC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SY","submitted_at":"2012-02-21T05:56:10Z","title_canon_sha256":"cb60e87dbd25177d721977b46672c3bbe7a41bb999d3bb7f584fbe07f3075f27"},"schema_version":"1.0","source":{"id":"1202.4535","kind":"arxiv","version":1}},"canonical_sha256":"7f5c489774c697d831003b15d21d4382dc96fb220003cf3fc49a2aa67839f8fe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f5c489774c697d831003b15d21d4382dc96fb220003cf3fc49a2aa67839f8fe","first_computed_at":"2026-05-18T04:01:50.422024Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:01:50.422024Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P6O5UxeqXIoeZQEqQRX6PRARUDmrdR/l5S4HiJKE5uf8tSWGU0n6H5CX4JkzW0hhDyEjKY2QoJlsd9y9SBGLDw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:01:50.422536Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.4535","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c69419cd5b0b4b21a8617c128f8704eccf353d60f9d3f159ced72feefa218ffa","sha256:225ad7609db1d49bb180322837d198ed5cbd31e4875bc777d9059fee055d7590"],"state_sha256":"ba330b1d9222af9511920e4b9aedff44dfaf6c6600301a1bb83855a88e339a83"}