{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:EHFJ6NIPTALXW2LW44N5I2F5VK","short_pith_number":"pith:EHFJ6NIP","schema_version":"1.0","canonical_sha256":"21ca9f350f98177b6976e71bd468bdaabce3b9a482c0abb64883c73a0e09d21b","source":{"kind":"arxiv","id":"1503.04260","version":1},"attestation_state":"computed","paper":{"title":"Quantum Structure of Negation and Conjunction in Human Thought","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cs.AI","authors_text":"Diederik Aerts, Sandro Sozzo, Tomas Veloz","submitted_at":"2015-03-14T02:43:14Z","abstract_excerpt":"We analyse in this paper the data collected in a set of experiments performed on human subjects on the combination of natural concepts. We investigate the mutual influence of conceptual conjunction and negation by measuring the membership weights of a list of exemplars with respect to two concepts, e.g., 'Fruits' and 'Vegetables', and their conjunction 'Fruits And Vegetables', but also their conjunction when one or both concepts are negated, namely, 'Fruits And Not Vegetables', 'Not Fruits And Vegetables' and 'Not Fruits And Not Vegetables'. Our findings sharpen existing analysis on conceptual"},"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":"1503.04260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2015-03-14T02:43:14Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"e73212d6ff664a3ae72472496cca648c496f9bfc0763e767a620e49ddb7e74d4","abstract_canon_sha256":"178c07a4eef7ee0df18ba6def263d33914443fd5398a97a2dadd8c104a7431c5"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:57.918064Z","signature_b64":"DKRixf6hCKG6Q42Sqe45asGT9ImF/ZPkgNJtGPEe3ZWyfUot+VRCXt2TpVGlL0rH/8BGTU1mizHbakPkPo58CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"21ca9f350f98177b6976e71bd468bdaabce3b9a482c0abb64883c73a0e09d21b","last_reissued_at":"2026-05-18T01:04:57.917300Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:57.917300Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum Structure of Negation and Conjunction in Human Thought","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cs.AI","authors_text":"Diederik Aerts, Sandro Sozzo, Tomas Veloz","submitted_at":"2015-03-14T02:43:14Z","abstract_excerpt":"We analyse in this paper the data collected in a set of experiments performed on human subjects on the combination of natural concepts. We investigate the mutual influence of conceptual conjunction and negation by measuring the membership weights of a list of exemplars with respect to two concepts, e.g., 'Fruits' and 'Vegetables', and their conjunction 'Fruits And Vegetables', but also their conjunction when one or both concepts are negated, namely, 'Fruits And Not Vegetables', 'Not Fruits And Vegetables' and 'Not Fruits And Not Vegetables'. Our findings sharpen existing analysis on conceptual"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1503.04260","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":""},"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":"1503.04260","created_at":"2026-05-18T01:04:57.917436+00:00"},{"alias_kind":"arxiv_version","alias_value":"1503.04260v1","created_at":"2026-05-18T01:04:57.917436+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1503.04260","created_at":"2026-05-18T01:04:57.917436+00:00"},{"alias_kind":"pith_short_12","alias_value":"EHFJ6NIPTALX","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_16","alias_value":"EHFJ6NIPTALXW2LW","created_at":"2026-05-18T12:29:19.899920+00:00"},{"alias_kind":"pith_short_8","alias_value":"EHFJ6NIP","created_at":"2026-05-18T12:29:19.899920+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/EHFJ6NIPTALXW2LW44N5I2F5VK","json":"https://pith.science/pith/EHFJ6NIPTALXW2LW44N5I2F5VK.json","graph_json":"https://pith.science/api/pith-number/EHFJ6NIPTALXW2LW44N5I2F5VK/graph.json","events_json":"https://pith.science/api/pith-number/EHFJ6NIPTALXW2LW44N5I2F5VK/events.json","paper":"https://pith.science/paper/EHFJ6NIP"},"agent_actions":{"view_html":"https://pith.science/pith/EHFJ6NIPTALXW2LW44N5I2F5VK","download_json":"https://pith.science/pith/EHFJ6NIPTALXW2LW44N5I2F5VK.json","view_paper":"https://pith.science/paper/EHFJ6NIP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1503.04260&json=true","fetch_graph":"https://pith.science/api/pith-number/EHFJ6NIPTALXW2LW44N5I2F5VK/graph.json","fetch_events":"https://pith.science/api/pith-number/EHFJ6NIPTALXW2LW44N5I2F5VK/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/EHFJ6NIPTALXW2LW44N5I2F5VK/action/timestamp_anchor","attest_storage":"https://pith.science/pith/EHFJ6NIPTALXW2LW44N5I2F5VK/action/storage_attestation","attest_author":"https://pith.science/pith/EHFJ6NIPTALXW2LW44N5I2F5VK/action/author_attestation","sign_citation":"https://pith.science/pith/EHFJ6NIPTALXW2LW44N5I2F5VK/action/citation_signature","submit_replication":"https://pith.science/pith/EHFJ6NIPTALXW2LW44N5I2F5VK/action/replication_record"}},"created_at":"2026-05-18T01:04:57.917436+00:00","updated_at":"2026-05-18T01:04:57.917436+00:00"}