{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:RBZ3RLE7BTSIPKQHYWERPST6ZA","short_pith_number":"pith:RBZ3RLE7","schema_version":"1.0","canonical_sha256":"8873b8ac9f0ce487aa07c58917ca7ec8247761ba94a57fcdf413e4cf553d0c37","source":{"kind":"arxiv","id":"2506.18906","version":2},"attestation_state":"computed","paper":{"title":"State updates and useful qubits in relativistic quantum information","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"quant-ph","authors_text":"Eduardo Mart\\'in-Mart\\'inez, Jos\\'e Polo-G\\'omez, T. Rick Perche","submitted_at":"2025-06-23T17:59:59Z","abstract_excerpt":"We address the longstanding challenge of consistently updating quantum states after selective measurements in a relativistic spacetime. Standard updates along the future lightcones preserve causality but break correlations between causally disconnected parties, whereas updates along the past lightcone either imply retrocausality or do not respect the causal propagation of information. We introduce a minimal extension of multipartite states to encode subsystem-specific contextual information. This \"polyperspective\" formalism ensures causally consistent covariant state updates, preserves multipa"},"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":"2506.18906","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2025-06-23T17:59:59Z","cross_cats_sorted":["gr-qc","hep-th"],"title_canon_sha256":"bc098820df59d77e3cddc9f30647d614bdbade714cc9a350a5050b7089c68c59","abstract_canon_sha256":"f0a7cf5dc40a02a523708f8fa078c1d8f9490c6e7144b24eca6fc10c4fffc8a3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:06:48.522868Z","signature_b64":"KrVSKlgZBkC1gs+VEbW6D8lGeAfoMjLHSjuH2DhehyK5rUtTY+EaNZ/sHE0oMYn2FU6EcOoCsU10o8WzHEzSAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8873b8ac9f0ce487aa07c58917ca7ec8247761ba94a57fcdf413e4cf553d0c37","last_reissued_at":"2026-07-05T12:06:48.522390Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:06:48.522390Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"State updates and useful qubits in relativistic quantum information","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-th"],"primary_cat":"quant-ph","authors_text":"Eduardo Mart\\'in-Mart\\'inez, Jos\\'e Polo-G\\'omez, T. Rick Perche","submitted_at":"2025-06-23T17:59:59Z","abstract_excerpt":"We address the longstanding challenge of consistently updating quantum states after selective measurements in a relativistic spacetime. Standard updates along the future lightcones preserve causality but break correlations between causally disconnected parties, whereas updates along the past lightcone either imply retrocausality or do not respect the causal propagation of information. We introduce a minimal extension of multipartite states to encode subsystem-specific contextual information. This \"polyperspective\" formalism ensures causally consistent covariant state updates, preserves multipa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.18906","kind":"arxiv","version":2},"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/2506.18906/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":"2506.18906","created_at":"2026-07-05T12:06:48.522450+00:00"},{"alias_kind":"arxiv_version","alias_value":"2506.18906v2","created_at":"2026-07-05T12:06:48.522450+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.18906","created_at":"2026-07-05T12:06:48.522450+00:00"},{"alias_kind":"pith_short_12","alias_value":"RBZ3RLE7BTSI","created_at":"2026-07-05T12:06:48.522450+00:00"},{"alias_kind":"pith_short_16","alias_value":"RBZ3RLE7BTSIPKQH","created_at":"2026-07-05T12:06:48.522450+00:00"},{"alias_kind":"pith_short_8","alias_value":"RBZ3RLE7","created_at":"2026-07-05T12:06:48.522450+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":4,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2507.06767","citing_title":"Phenomenological constraints on \"impossible\" measurements","ref_index":15,"is_internal_anchor":false},{"citing_arxiv_id":"2512.16217","citing_title":"Back-action from inertial and non-inertial Unruh-DeWitt detectors revisited in covariant perturbation theory","ref_index":51,"is_internal_anchor":false},{"citing_arxiv_id":"2604.10562","citing_title":"The spontaneous disentanglement hypothesis and causality","ref_index":36,"is_internal_anchor":false},{"citing_arxiv_id":"2604.16568","citing_title":"Momentum reconstruction from Unruh-deWitt detectors","ref_index":8,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/RBZ3RLE7BTSIPKQHYWERPST6ZA","json":"https://pith.science/pith/RBZ3RLE7BTSIPKQHYWERPST6ZA.json","graph_json":"https://pith.science/api/pith-number/RBZ3RLE7BTSIPKQHYWERPST6ZA/graph.json","events_json":"https://pith.science/api/pith-number/RBZ3RLE7BTSIPKQHYWERPST6ZA/events.json","paper":"https://pith.science/paper/RBZ3RLE7"},"agent_actions":{"view_html":"https://pith.science/pith/RBZ3RLE7BTSIPKQHYWERPST6ZA","download_json":"https://pith.science/pith/RBZ3RLE7BTSIPKQHYWERPST6ZA.json","view_paper":"https://pith.science/paper/RBZ3RLE7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2506.18906&json=true","fetch_graph":"https://pith.science/api/pith-number/RBZ3RLE7BTSIPKQHYWERPST6ZA/graph.json","fetch_events":"https://pith.science/api/pith-number/RBZ3RLE7BTSIPKQHYWERPST6ZA/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/RBZ3RLE7BTSIPKQHYWERPST6ZA/action/timestamp_anchor","attest_storage":"https://pith.science/pith/RBZ3RLE7BTSIPKQHYWERPST6ZA/action/storage_attestation","attest_author":"https://pith.science/pith/RBZ3RLE7BTSIPKQHYWERPST6ZA/action/author_attestation","sign_citation":"https://pith.science/pith/RBZ3RLE7BTSIPKQHYWERPST6ZA/action/citation_signature","submit_replication":"https://pith.science/pith/RBZ3RLE7BTSIPKQHYWERPST6ZA/action/replication_record"}},"created_at":"2026-07-05T12:06:48.522450+00:00","updated_at":"2026-07-05T12:06:48.522450+00:00"}