{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:NZTSVSAF7ZTYMYHTQPBRBNMSPW","short_pith_number":"pith:NZTSVSAF","schema_version":"1.0","canonical_sha256":"6e672ac805fe678660f383c310b5927da094d0b9f1ef56f639e9936f394ead44","source":{"kind":"arxiv","id":"2606.21768","version":1},"attestation_state":"computed","paper":{"title":"Common causes for quantum identical particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.data-an"],"primary_cat":"quant-ph","authors_text":"A. E. Allahverdyan, A. Hovhannisyan, S. Weigert","submitted_at":"2026-06-19T21:33:42Z","abstract_excerpt":"Violations of Bell's inequalities imply that joint probabilities generated by non-commutative measurements on two (non-identical) quantum particles do not have a single common cause. But joint probabilities generated for such non-identical particles via commutative measurements do have non-trivial common cause variables. We focus on commutative measurements and consider two identical quantum particles, whose density matrices and observables (hermitian operators) are necessarily permutation-symmetric. It is natural to demand that the common cause describing joint probabilities is also permutati"},"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":"2606.21768","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2026-06-19T21:33:42Z","cross_cats_sorted":["physics.data-an"],"title_canon_sha256":"1e259391e1f73566806edb0d8637b976b0604f3e780256a6ee8eccdc4880e1dd","abstract_canon_sha256":"33c84a553a57d118401432148c5adb34d71cb9afc723ae3f8acc8fbdac9dfc7c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T01:13:21.928750Z","signature_b64":"dqcL4jnmUbP/XeKF075fXUr8jnsxr5XPotFuijNtDyqiABf4hSGjjLxuiDztpfzO0wEnSHYZerpsMf2jzZbuAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e672ac805fe678660f383c310b5927da094d0b9f1ef56f639e9936f394ead44","last_reissued_at":"2026-06-23T01:13:21.928295Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T01:13:21.928295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Common causes for quantum identical particles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.data-an"],"primary_cat":"quant-ph","authors_text":"A. E. Allahverdyan, A. Hovhannisyan, S. Weigert","submitted_at":"2026-06-19T21:33:42Z","abstract_excerpt":"Violations of Bell's inequalities imply that joint probabilities generated by non-commutative measurements on two (non-identical) quantum particles do not have a single common cause. But joint probabilities generated for such non-identical particles via commutative measurements do have non-trivial common cause variables. We focus on commutative measurements and consider two identical quantum particles, whose density matrices and observables (hermitian operators) are necessarily permutation-symmetric. It is natural to demand that the common cause describing joint probabilities is also permutati"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.21768","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/2606.21768/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":"2606.21768","created_at":"2026-06-23T01:13:21.928395+00:00"},{"alias_kind":"arxiv_version","alias_value":"2606.21768v1","created_at":"2026-06-23T01:13:21.928395+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.21768","created_at":"2026-06-23T01:13:21.928395+00:00"},{"alias_kind":"pith_short_12","alias_value":"NZTSVSAF7ZTY","created_at":"2026-06-23T01:13:21.928395+00:00"},{"alias_kind":"pith_short_16","alias_value":"NZTSVSAF7ZTYMYHT","created_at":"2026-06-23T01:13:21.928395+00:00"},{"alias_kind":"pith_short_8","alias_value":"NZTSVSAF","created_at":"2026-06-23T01:13:21.928395+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/NZTSVSAF7ZTYMYHTQPBRBNMSPW","json":"https://pith.science/pith/NZTSVSAF7ZTYMYHTQPBRBNMSPW.json","graph_json":"https://pith.science/api/pith-number/NZTSVSAF7ZTYMYHTQPBRBNMSPW/graph.json","events_json":"https://pith.science/api/pith-number/NZTSVSAF7ZTYMYHTQPBRBNMSPW/events.json","paper":"https://pith.science/paper/NZTSVSAF"},"agent_actions":{"view_html":"https://pith.science/pith/NZTSVSAF7ZTYMYHTQPBRBNMSPW","download_json":"https://pith.science/pith/NZTSVSAF7ZTYMYHTQPBRBNMSPW.json","view_paper":"https://pith.science/paper/NZTSVSAF","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2606.21768&json=true","fetch_graph":"https://pith.science/api/pith-number/NZTSVSAF7ZTYMYHTQPBRBNMSPW/graph.json","fetch_events":"https://pith.science/api/pith-number/NZTSVSAF7ZTYMYHTQPBRBNMSPW/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/NZTSVSAF7ZTYMYHTQPBRBNMSPW/action/timestamp_anchor","attest_storage":"https://pith.science/pith/NZTSVSAF7ZTYMYHTQPBRBNMSPW/action/storage_attestation","attest_author":"https://pith.science/pith/NZTSVSAF7ZTYMYHTQPBRBNMSPW/action/author_attestation","sign_citation":"https://pith.science/pith/NZTSVSAF7ZTYMYHTQPBRBNMSPW/action/citation_signature","submit_replication":"https://pith.science/pith/NZTSVSAF7ZTYMYHTQPBRBNMSPW/action/replication_record"}},"created_at":"2026-06-23T01:13:21.928395+00:00","updated_at":"2026-06-23T01:13:21.928395+00:00"}