{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:75QOMVP46II2W7YV4NGRM4OFZ3","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":"af5e58564eb83d65fefbbb8dcf32a3898e5e78bd213d1cb4eced34f4d9eee16f","cross_cats_sorted":["cs.IR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-04-29T12:00:33Z","title_canon_sha256":"789ef8f7638f7466826b551dac4c3f38500b0dac10de9a2778cc5850b8695f67"},"schema_version":"1.0","source":{"id":"2504.20679","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.20679","created_at":"2026-07-05T11:32:28Z"},{"alias_kind":"arxiv_version","alias_value":"2504.20679v2","created_at":"2026-07-05T11:32:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.20679","created_at":"2026-07-05T11:32:28Z"},{"alias_kind":"pith_short_12","alias_value":"75QOMVP46II2","created_at":"2026-07-05T11:32:28Z"},{"alias_kind":"pith_short_16","alias_value":"75QOMVP46II2W7YV","created_at":"2026-07-05T11:32:28Z"},{"alias_kind":"pith_short_8","alias_value":"75QOMVP4","created_at":"2026-07-05T11:32:28Z"}],"graph_snapshots":[{"event_id":"sha256:35879dcae4131973b70fdd37dfcaedda0c6c7b51942f72e8c04fd1188d2d6b82","target":"graph","created_at":"2026-07-05T11:32:28Z","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/2504.20679/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Automated detection of semantically equivalent questions in longitudinal social science surveys is crucial for long-term studies informing empirical research in the social, economic, and health sciences. Retrieving equivalent questions faces dual challenges: inconsistent representation of theoretical constructs (i.e. concept/sub-concept) across studies as well as between question and response options, and the evolution of vocabulary and structure in longitudinal text. To address these challenges, our multi-disciplinary collaboration of computer scientists and survey specialists presents a new ","authors_text":"Jon Johnson, Suparna De, Wing Yan Li, ZeQiang Wang","cross_cats":["cs.IR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-04-29T12:00:33Z","title":"Are Information Retrieval Approaches Good at Harmonising Longitudinal Survey Questions in Social Science?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.20679","kind":"arxiv","version":2},"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":"sha256:6733b2e6cfae75acbd31e1966f757de0624099d92ba930969d6c2c6f9f61b1c5","target":"record","created_at":"2026-07-05T11:32:28Z","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":"af5e58564eb83d65fefbbb8dcf32a3898e5e78bd213d1cb4eced34f4d9eee16f","cross_cats_sorted":["cs.IR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CL","submitted_at":"2025-04-29T12:00:33Z","title_canon_sha256":"789ef8f7638f7466826b551dac4c3f38500b0dac10de9a2778cc5850b8695f67"},"schema_version":"1.0","source":{"id":"2504.20679","kind":"arxiv","version":2}},"canonical_sha256":"ff60e655fcf211ab7f15e34d1671c5cee54d62692c0f94b3db9f93fb1953949d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ff60e655fcf211ab7f15e34d1671c5cee54d62692c0f94b3db9f93fb1953949d","first_computed_at":"2026-07-05T11:32:28.607098Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:32:28.607098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZTXdpsteMsYbwur1BGPpsXdwQCQw0SDV83Mop1t073qC/qbOt6hebpwPThLlhpvSQgZ91vuFbB/8Ok9HQ3NTDA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:32:28.607719Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.20679","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6733b2e6cfae75acbd31e1966f757de0624099d92ba930969d6c2c6f9f61b1c5","sha256:35879dcae4131973b70fdd37dfcaedda0c6c7b51942f72e8c04fd1188d2d6b82"],"state_sha256":"61f676e02dc7c2ea01291d2f4189f7454abe7c5a8d0ee71b9c3619c03b0a0b55"}