{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:CAX577LJ5IMIZLP33THWHFNX6W","short_pith_number":"pith:CAX577LJ","schema_version":"1.0","canonical_sha256":"102fdffd69ea188cadfbdccf6395b7f5b78e928fa6292f821900b04647a5bcb0","source":{"kind":"arxiv","id":"2606.28353","version":1},"attestation_state":"computed","paper":{"title":"From Regulatory Approvals to Patents: Cross-Domain Linking for Cardiovascular Device Traceability","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.IR","authors_text":"Li Moyan, Liu Haijiang, Yang Qingqing","submitted_at":"2026-06-06T07:03:43Z","abstract_excerpt":"Linking FDA-approved medical devices to their underlying United States Patent and Trademark Office (USPTO) patents enables critical applications such as recall root-cause analysis, M&A-driven IP discovery, and technology trajectory mapping. However, this cross-domain entity linking task remains unexplored due to severe *semantic gaps*: FDA documents focus on clinical outcomes, while patents describe technical mechanisms, yielding minimal lexical overlap. We formalize medical device-patent linking as a challenging cross-domain entity linking problem characterized by label scarcity and domain sh"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2606.28353","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IR","submitted_at":"2026-06-06T07:03:43Z","cross_cats_sorted":["cs.AI"],"title_canon_sha256":"928177732dd18a6bf6abbcd67149362a373de964df679c5448a4baa5ba72db9e","abstract_canon_sha256":"f5e6e11797e22573e7c3f169c8dd21532218fe001c26c2fdf339038e51bae54c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-30T00:15:11.742203Z","signature_b64":"PnUc0A71D7K514L89cdCVwQdDnvzqFwmiiihveC+YF+IEcz8T/TV3Kx7Yht7tOC3O7mRMRM1iafYg9BgIeySAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"102fdffd69ea188cadfbdccf6395b7f5b78e928fa6292f821900b04647a5bcb0","last_reissued_at":"2026-06-30T00:15:11.741732Z","signature_status":"signed_v1","first_computed_at":"2026-06-30T00:15:11.741732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"From Regulatory Approvals to Patents: Cross-Domain Linking for Cardiovascular Device Traceability","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.AI"],"primary_cat":"cs.IR","authors_text":"Li Moyan, Liu Haijiang, Yang Qingqing","submitted_at":"2026-06-06T07:03:43Z","abstract_excerpt":"Linking FDA-approved medical devices to their underlying United States Patent and Trademark Office (USPTO) patents enables critical applications such as recall root-cause analysis, M&A-driven IP discovery, and technology trajectory mapping. However, this cross-domain entity linking task remains unexplored due to severe *semantic gaps*: FDA documents focus on clinical outcomes, while patents describe technical mechanisms, yielding minimal lexical overlap. We formalize medical device-patent linking as a challenging cross-domain entity linking problem characterized by label scarcity and domain sh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.28353","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/2606.28353/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2606.28353","created_at":"2026-06-30T00:15:11.741814+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.28353v1","created_at":"2026-06-30T00:15:11.741814+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.28353","created_at":"2026-06-30T00:15:11.741814+00:00"},{"alias_kind":"pith_short_12","alias_value":"CAX577LJ5IMI","created_at":"2026-06-30T00:15:11.741814+00:00"},{"alias_kind":"pith_short_16","alias_value":"CAX577LJ5IMIZLP3","created_at":"2026-06-30T00:15:11.741814+00:00"},{"alias_kind":"pith_short_8","alias_value":"CAX577LJ","created_at":"2026-06-30T00:15:11.741814+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CAX577LJ5IMIZLP33THWHFNX6W","json":"https://pith.science/pith/CAX577LJ5IMIZLP33THWHFNX6W.json","graph_json":"https://pith.science/api/pith-number/CAX577LJ5IMIZLP33THWHFNX6W/graph.json","events_json":"https://pith.science/api/pith-number/CAX577LJ5IMIZLP33THWHFNX6W/events.json","paper":"https://pith.science/paper/CAX577LJ"},"agent_actions":{"view_html":"https://pith.science/pith/CAX577LJ5IMIZLP33THWHFNX6W","download_json":"https://pith.science/pith/CAX577LJ5IMIZLP33THWHFNX6W.json","view_paper":"https://pith.science/paper/CAX577LJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.28353&json=true","fetch_graph":"https://pith.science/api/pith-number/CAX577LJ5IMIZLP33THWHFNX6W/graph.json","fetch_events":"https://pith.science/api/pith-number/CAX577LJ5IMIZLP33THWHFNX6W/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CAX577LJ5IMIZLP33THWHFNX6W/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CAX577LJ5IMIZLP33THWHFNX6W/action/storage_attestation","attest_author":"https://pith.science/pith/CAX577LJ5IMIZLP33THWHFNX6W/action/author_attestation","sign_citation":"https://pith.science/pith/CAX577LJ5IMIZLP33THWHFNX6W/action/citation_signature","submit_replication":"https://pith.science/pith/CAX577LJ5IMIZLP33THWHFNX6W/action/replication_record"}},"created_at":"2026-06-30T00:15:11.741814+00:00","updated_at":"2026-06-30T00:15:11.741814+00:00"}