{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:JQDHFSH55B2MQIZE2BV45PUIEJ","short_pith_number":"pith:JQDHFSH5","canonical_record":{"source":{"id":"2506.03052","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2025-06-03T16:32:10Z","cross_cats_sorted":[],"title_canon_sha256":"8b2b707d23922a484d1b631cf37a440ec99f4179ec6175235b59615cbf6a12e5","abstract_canon_sha256":"29cbda62793d6825dc1896549ffc4a4d685c1e5305792f6d40f190956a8e7dd2"},"schema_version":"1.0"},"canonical_sha256":"4c0672c8fde874c82324d06bcebe882253dd21c3ed95802a82a5901712c31c76","source":{"kind":"arxiv","id":"2506.03052","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.03052","created_at":"2026-07-05T11:15:14Z"},{"alias_kind":"arxiv_version","alias_value":"2506.03052v1","created_at":"2026-07-05T11:15:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.03052","created_at":"2026-07-05T11:15:14Z"},{"alias_kind":"pith_short_12","alias_value":"JQDHFSH55B2M","created_at":"2026-07-05T11:15:14Z"},{"alias_kind":"pith_short_16","alias_value":"JQDHFSH55B2MQIZE","created_at":"2026-07-05T11:15:14Z"},{"alias_kind":"pith_short_8","alias_value":"JQDHFSH5","created_at":"2026-07-05T11:15:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:JQDHFSH55B2MQIZE2BV45PUIEJ","target":"record","payload":{"canonical_record":{"source":{"id":"2506.03052","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2025-06-03T16:32:10Z","cross_cats_sorted":[],"title_canon_sha256":"8b2b707d23922a484d1b631cf37a440ec99f4179ec6175235b59615cbf6a12e5","abstract_canon_sha256":"29cbda62793d6825dc1896549ffc4a4d685c1e5305792f6d40f190956a8e7dd2"},"schema_version":"1.0"},"canonical_sha256":"4c0672c8fde874c82324d06bcebe882253dd21c3ed95802a82a5901712c31c76","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:15:14.059283Z","signature_b64":"C3qmU7YWzcgCRbZ3yBpX7lnMSnQS9EAD/h0IK4rjZX+kb51UAMi7vAVuoiwBNm1NpS6bV2bIhFc9khHST1RsDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c0672c8fde874c82324d06bcebe882253dd21c3ed95802a82a5901712c31c76","last_reissued_at":"2026-07-05T11:15:14.058731Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:15:14.058731Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.03052","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":"2026-07-05T11:15:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eHKfpBlo7gTPRr4grB4wVvLSpKLf6ToX+CsWs6w2z1kWBwRHgH/oiTd6AkF40zruj970o1b5dlQDJKSKN8Y1Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T20:47:46.875345Z"},"content_sha256":"ec18bcbe33ee4a537bf8e3c9c921433b1a37ef1dba8a7d51cc3826cbfb93f378","schema_version":"1.0","event_id":"sha256:ec18bcbe33ee4a537bf8e3c9c921433b1a37ef1dba8a7d51cc3826cbfb93f378"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:JQDHFSH55B2MQIZE2BV45PUIEJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Feedstack: Layering Structured Representations over Unstructured Feedback to Scaffold Human AI Conversation","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.HC","authors_text":"Hang Huynh, Hannah Vy Nguyen, June A. Smith, Omar Shakir, Salma Abdelgelil, Sebastian Gutierrez, Sheila Jimenez, Stephen MacNeil, Yu-Chun Grace Yen","submitted_at":"2025-06-03T16:32:10Z","abstract_excerpt":"Many conversational user interfaces facilitate linear conversations with turn-based dialogue, similar to face-to-face conversations between people. However, digital conversations can afford more than simple back-and-forth; they can be layered with interaction techniques and structured representations that scaffold exploration, reflection, and shared understanding between users and AI systems. We introduce Feedstack, a speculative interface that augments feedback conversations with layered affordances for organizing, navigating, and externalizing feedback. These layered structures serve as a sh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.03052","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/2506.03052/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":"2026-07-05T11:15:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ImZcleYtEHrKdGQjTNRETu7D5RqWtU2d7juFoVeT6p1tJIXzBWLSzpLeBtZ1NpWZW5fIGs7RWJs4U44wy0F+Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T20:47:46.875852Z"},"content_sha256":"3b0535d3c3deca6a444934c18822c1e5c6ca825e015b15ab5a456a848219bf0e","schema_version":"1.0","event_id":"sha256:3b0535d3c3deca6a444934c18822c1e5c6ca825e015b15ab5a456a848219bf0e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JQDHFSH55B2MQIZE2BV45PUIEJ/bundle.json","state_url":"https://pith.science/pith/JQDHFSH55B2MQIZE2BV45PUIEJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JQDHFSH55B2MQIZE2BV45PUIEJ/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":"2026-08-08T20:47:46Z","links":{"resolver":"https://pith.science/pith/JQDHFSH55B2MQIZE2BV45PUIEJ","bundle":"https://pith.science/pith/JQDHFSH55B2MQIZE2BV45PUIEJ/bundle.json","state":"https://pith.science/pith/JQDHFSH55B2MQIZE2BV45PUIEJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JQDHFSH55B2MQIZE2BV45PUIEJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:JQDHFSH55B2MQIZE2BV45PUIEJ","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":"29cbda62793d6825dc1896549ffc4a4d685c1e5305792f6d40f190956a8e7dd2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2025-06-03T16:32:10Z","title_canon_sha256":"8b2b707d23922a484d1b631cf37a440ec99f4179ec6175235b59615cbf6a12e5"},"schema_version":"1.0","source":{"id":"2506.03052","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.03052","created_at":"2026-07-05T11:15:14Z"},{"alias_kind":"arxiv_version","alias_value":"2506.03052v1","created_at":"2026-07-05T11:15:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.03052","created_at":"2026-07-05T11:15:14Z"},{"alias_kind":"pith_short_12","alias_value":"JQDHFSH55B2M","created_at":"2026-07-05T11:15:14Z"},{"alias_kind":"pith_short_16","alias_value":"JQDHFSH55B2MQIZE","created_at":"2026-07-05T11:15:14Z"},{"alias_kind":"pith_short_8","alias_value":"JQDHFSH5","created_at":"2026-07-05T11:15:14Z"}],"graph_snapshots":[{"event_id":"sha256:3b0535d3c3deca6a444934c18822c1e5c6ca825e015b15ab5a456a848219bf0e","target":"graph","created_at":"2026-07-05T11:15:14Z","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/2506.03052/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Many conversational user interfaces facilitate linear conversations with turn-based dialogue, similar to face-to-face conversations between people. However, digital conversations can afford more than simple back-and-forth; they can be layered with interaction techniques and structured representations that scaffold exploration, reflection, and shared understanding between users and AI systems. We introduce Feedstack, a speculative interface that augments feedback conversations with layered affordances for organizing, navigating, and externalizing feedback. These layered structures serve as a sh","authors_text":"Hang Huynh, Hannah Vy Nguyen, June A. Smith, Omar Shakir, Salma Abdelgelil, Sebastian Gutierrez, Sheila Jimenez, Stephen MacNeil, Yu-Chun Grace Yen","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2025-06-03T16:32:10Z","title":"Feedstack: Layering Structured Representations over Unstructured Feedback to Scaffold Human AI Conversation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.03052","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:ec18bcbe33ee4a537bf8e3c9c921433b1a37ef1dba8a7d51cc3826cbfb93f378","target":"record","created_at":"2026-07-05T11:15:14Z","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":"29cbda62793d6825dc1896549ffc4a4d685c1e5305792f6d40f190956a8e7dd2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.HC","submitted_at":"2025-06-03T16:32:10Z","title_canon_sha256":"8b2b707d23922a484d1b631cf37a440ec99f4179ec6175235b59615cbf6a12e5"},"schema_version":"1.0","source":{"id":"2506.03052","kind":"arxiv","version":1}},"canonical_sha256":"4c0672c8fde874c82324d06bcebe882253dd21c3ed95802a82a5901712c31c76","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c0672c8fde874c82324d06bcebe882253dd21c3ed95802a82a5901712c31c76","first_computed_at":"2026-07-05T11:15:14.058731Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:15:14.058731Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C3qmU7YWzcgCRbZ3yBpX7lnMSnQS9EAD/h0IK4rjZX+kb51UAMi7vAVuoiwBNm1NpS6bV2bIhFc9khHST1RsDw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:15:14.059283Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.03052","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ec18bcbe33ee4a537bf8e3c9c921433b1a37ef1dba8a7d51cc3826cbfb93f378","sha256:3b0535d3c3deca6a444934c18822c1e5c6ca825e015b15ab5a456a848219bf0e"],"state_sha256":"c2246ee6897d990436e022eeead7fce1fa2976fb431c976f8fbcaacd89d0b4fc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zVyZff5GTKcvGP6Xkw4B9t5qBEcwNO//1mKNycr/Q4g5UTWibBjG4WzqB0mzCz1y7PChk1iiGqIrSHEsmbdpDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T20:47:46.880923Z","bundle_sha256":"2a674c3c02c4dca42dc41d4d9c8dc2c3297c72fe66e5ee4dc99511235b88eacf"}}