{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:XNTAI7I4GO6HJNFPRKS3PWCCUI","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":"a7a04d74c30bdb4abb3fe51a0309a9e005ed9033e20f5447e84d0a6504b2aae0","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2022-08-31T14:24:35Z","title_canon_sha256":"626a41ba2ddd67654088cd9b3c724df9858ab30db29239365886c80f8c21258f"},"schema_version":"1.0","source":{"id":"2208.14884","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.14884","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"arxiv_version","alias_value":"2208.14884v1","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.14884","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"pith_short_12","alias_value":"XNTAI7I4GO6H","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"pith_short_16","alias_value":"XNTAI7I4GO6HJNFP","created_at":"2026-07-05T04:53:36Z"},{"alias_kind":"pith_short_8","alias_value":"XNTAI7I4","created_at":"2026-07-05T04:53:36Z"}],"graph_snapshots":[{"event_id":"sha256:eb2fd57450d839e1c46561e25e9d9abeffc7dac0dbc236f52ebc8cb747b0c3e1","target":"graph","created_at":"2026-07-05T04:53:36Z","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/2208.14884/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"GRILLBot is the winning system in the 2022 Alexa Prize TaskBot Challenge, moving towards the next generation of multimodal task assistants. It is a voice assistant to guide users through complex real-world tasks in the domains of cooking and home improvement. These are long-running and complex tasks that require flexible adjustment and adaptation. The demo highlights the core aspects, including a novel Neural Decision Parser for contextualized semantic parsing, a new \"TaskGraph\" state representation that supports conditional execution, knowledge-grounded chit-chat, and automatic enrichment of ","authors_text":"Carlos Gemmell, Federico Rossetto, Iain Mackie, Jeffrey Dalton, Paul Owoicho, Sophie Fischer","cross_cats":["cs.AI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2022-08-31T14:24:35Z","title":"GRILLBot: An Assistant for Real-World Tasks with Neural Semantic Parsing and Graph-Based Representations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.14884","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":"sha256:7f45e3709b331c43a629a2b4ff15def6a9e10633213940bba117208c8fd3b81f","target":"record","created_at":"2026-07-05T04:53:36Z","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":"a7a04d74c30bdb4abb3fe51a0309a9e005ed9033e20f5447e84d0a6504b2aae0","cross_cats_sorted":["cs.AI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2022-08-31T14:24:35Z","title_canon_sha256":"626a41ba2ddd67654088cd9b3c724df9858ab30db29239365886c80f8c21258f"},"schema_version":"1.0","source":{"id":"2208.14884","kind":"arxiv","version":1}},"canonical_sha256":"bb66047d1c33bc74b4af8aa5b7d842a2258fb15f4dc977f5cd8d8f1d906af3e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb66047d1c33bc74b4af8aa5b7d842a2258fb15f4dc977f5cd8d8f1d906af3e1","first_computed_at":"2026-07-05T04:53:36.133977Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:53:36.133977Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5ztCkOgqO4y0WMgJOMF33ta/qG4p6LviClC0G54dLFkA2lKbebxzFT4G2t+a7grl5TFmxvnBXM7NVmXcbmSMCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:53:36.134388Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.14884","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7f45e3709b331c43a629a2b4ff15def6a9e10633213940bba117208c8fd3b81f","sha256:eb2fd57450d839e1c46561e25e9d9abeffc7dac0dbc236f52ebc8cb747b0c3e1"],"state_sha256":"23f4d0ded8a9cce9ca65ccd9e599ffbae27e9c968a4d3aa44847c0aa77412af3"}