{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:FEIENPCVCZFX5AM4DAO7LD5DC2","short_pith_number":"pith:FEIENPCV","schema_version":"1.0","canonical_sha256":"291046bc55164b7e819c181df58fa316ab8d157920a515876615933c8aa3c753","source":{"kind":"arxiv","id":"quant-ph/0408168","version":1},"attestation_state":"computed","paper":{"title":"Labels for non-individuals","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Adonai S. Sant'Anna","submitted_at":"2004-08-26T20:03:12Z","abstract_excerpt":"Quasi-set theory is a first order theory without identity, which allows us to cope with non-individuals in a sense. A weaker equivalence relation called ``indistinguishability'' is an extension of identity in the sense that if $x$ is identical to $y$ then $x$ and $y$ are indistinguishable, although the reciprocal is not always valid. The interesting point is that quasi-set theory provides us a useful mathematical background for dealing with collections of indistinguishable elementary quantum particles. In the present paper, however, we show that even in quasi-set theory it is possible to label"},"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":"quant-ph/0408168","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2004-08-26T20:03:12Z","cross_cats_sorted":[],"title_canon_sha256":"2dd008bba87a7bc6e3062d00f012a7df7254fe17c297d3ac1b56d81dba092be6","abstract_canon_sha256":"db6c3d478f0e3742abb6ff7d2a8d5ed9e000acc5b0dfcca9981299e16ac87d13"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:37:58.402531Z","signature_b64":"lMLKbSLma1COlYHPxettaGdk70WDHJL9Km/1ejHlo0dpaZfiNLfeYHrrnVmRIxplNYlRf7V9agA4aGoeQxh+CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"291046bc55164b7e819c181df58fa316ab8d157920a515876615933c8aa3c753","last_reissued_at":"2026-05-18T01:37:58.401769Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:37:58.401769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Labels for non-individuals","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Adonai S. Sant'Anna","submitted_at":"2004-08-26T20:03:12Z","abstract_excerpt":"Quasi-set theory is a first order theory without identity, which allows us to cope with non-individuals in a sense. A weaker equivalence relation called ``indistinguishability'' is an extension of identity in the sense that if $x$ is identical to $y$ then $x$ and $y$ are indistinguishable, although the reciprocal is not always valid. The interesting point is that quasi-set theory provides us a useful mathematical background for dealing with collections of indistinguishable elementary quantum particles. In the present paper, however, we show that even in quasi-set theory it is possible to label"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0408168","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":"quant-ph/0408168","created_at":"2026-05-18T01:37:58.401898+00:00"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0408168v1","created_at":"2026-05-18T01:37:58.401898+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0408168","created_at":"2026-05-18T01:37:58.401898+00:00"},{"alias_kind":"pith_short_12","alias_value":"FEIENPCVCZFX","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_16","alias_value":"FEIENPCVCZFX5AM4","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_8","alias_value":"FEIENPCV","created_at":"2026-05-18T12:25:52.687210+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/FEIENPCVCZFX5AM4DAO7LD5DC2","json":"https://pith.science/pith/FEIENPCVCZFX5AM4DAO7LD5DC2.json","graph_json":"https://pith.science/api/pith-number/FEIENPCVCZFX5AM4DAO7LD5DC2/graph.json","events_json":"https://pith.science/api/pith-number/FEIENPCVCZFX5AM4DAO7LD5DC2/events.json","paper":"https://pith.science/paper/FEIENPCV"},"agent_actions":{"view_html":"https://pith.science/pith/FEIENPCVCZFX5AM4DAO7LD5DC2","download_json":"https://pith.science/pith/FEIENPCVCZFX5AM4DAO7LD5DC2.json","view_paper":"https://pith.science/paper/FEIENPCV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=quant-ph/0408168&json=true","fetch_graph":"https://pith.science/api/pith-number/FEIENPCVCZFX5AM4DAO7LD5DC2/graph.json","fetch_events":"https://pith.science/api/pith-number/FEIENPCVCZFX5AM4DAO7LD5DC2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/FEIENPCVCZFX5AM4DAO7LD5DC2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/FEIENPCVCZFX5AM4DAO7LD5DC2/action/storage_attestation","attest_author":"https://pith.science/pith/FEIENPCVCZFX5AM4DAO7LD5DC2/action/author_attestation","sign_citation":"https://pith.science/pith/FEIENPCVCZFX5AM4DAO7LD5DC2/action/citation_signature","submit_replication":"https://pith.science/pith/FEIENPCVCZFX5AM4DAO7LD5DC2/action/replication_record"}},"created_at":"2026-05-18T01:37:58.401898+00:00","updated_at":"2026-05-18T01:37:58.401898+00:00"}