{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:2IW4HKEEKQXHBW53NIME22AHL6","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":"d569b9a5b86a9e17f9b13ec20e1ea693f7c3deee87094c54731947b8868d13e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2026-05-11T08:00:48Z","title_canon_sha256":"8c9ba702c4c864b7d52eed5b48773ab6e23c97fac4f076e4fb98dd08294421e7"},"schema_version":"1.0","source":{"id":"2606.09851","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.09851","created_at":"2026-06-10T00:08:28Z"},{"alias_kind":"arxiv_version","alias_value":"2606.09851v1","created_at":"2026-06-10T00:08:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.09851","created_at":"2026-06-10T00:08:28Z"},{"alias_kind":"pith_short_12","alias_value":"2IW4HKEEKQXH","created_at":"2026-06-10T00:08:28Z"},{"alias_kind":"pith_short_16","alias_value":"2IW4HKEEKQXHBW53","created_at":"2026-06-10T00:08:28Z"},{"alias_kind":"pith_short_8","alias_value":"2IW4HKEE","created_at":"2026-06-10T00:08:28Z"}],"graph_snapshots":[{"event_id":"sha256:939dd486a400a927666a2d9586cd4e255b1bc7fe548b6251c9412db8805382ba","target":"graph","created_at":"2026-06-10T00:08:28Z","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/2606.09851/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Authoring and refining presentation slides is a highly time-consuming core task in academic and business domains. While generative AI tools have lowered the barrier for creating initial drafts, their \"black-box, one-way generation\" paradigm severely deprives users of fine-grained control. Through a formative study (N=10), we identified \"trial-and-error anxiety\" and \"inconsistent cross-page formatting\" as primary bottlenecks in human-AI co-creation. Consequently, we present ECHO, an interactive system based on multimodal intent grounding and explainable operation plans. ECHO enables precise loc","authors_text":"Yongqi Kang, Yong Zhao, Yu Fu, Yujia Zhou","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2026-05-11T08:00:48Z","title":"ECHO: Explainable Co-editing with Human-in-the-loop Operations for Presentation Refinement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.09851","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":"sha256:0809aa90f64076f2b2b56efccf061e33da72194290ed60a4cc9f745e165cc4b8","target":"record","created_at":"2026-06-10T00:08:28Z","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":"d569b9a5b86a9e17f9b13ec20e1ea693f7c3deee87094c54731947b8868d13e1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2026-05-11T08:00:48Z","title_canon_sha256":"8c9ba702c4c864b7d52eed5b48773ab6e23c97fac4f076e4fb98dd08294421e7"},"schema_version":"1.0","source":{"id":"2606.09851","kind":"arxiv","version":1}},"canonical_sha256":"d22dc3a884542e70dbbb6a184d68075fbe6183ee9739be8bbd634a620684511f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d22dc3a884542e70dbbb6a184d68075fbe6183ee9739be8bbd634a620684511f","first_computed_at":"2026-06-10T00:08:28.533112Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-10T00:08:28.533112Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iAkxe9l5Aow41SxOwc01SbOTuxHhC6HWL2kbJ1Mjg1FlbUiyDoZLqLu1j0RBJ5kWjpq0DwFhPsaglj3mHePJCQ==","signature_status":"signed_v1","signed_at":"2026-06-10T00:08:28.534189Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.09851","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0809aa90f64076f2b2b56efccf061e33da72194290ed60a4cc9f745e165cc4b8","sha256:939dd486a400a927666a2d9586cd4e255b1bc7fe548b6251c9412db8805382ba"],"state_sha256":"0ee28c903c793846031767fc4e0c601b8974bdac0f4b5df90a4b3b35bf4ded26"}