{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:A4OQDL5V75PFT5NGQZTSXHOSVP","short_pith_number":"pith:A4OQDL5V","schema_version":"1.0","canonical_sha256":"071d01afb5ff5e59f5a686672b9dd2abd36957d06c61426011c52c3705fde552","source":{"kind":"arxiv","id":"2608.00160","version":1},"attestation_state":"computed","paper":{"title":"Optimal Decoding for Measurement-Based GHZ State Preparation: The Maximum-Utility Decoder","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.stat-mech"],"primary_cat":"quant-ph","authors_text":"Misha Yutushui, Simon Trebst, Theo Haas","submitted_at":"2026-07-31T18:00:00Z","abstract_excerpt":"The meticulous preparation of macroscopic Greenberger-Horne-Zeilinger (GHZ) states provides a foundational resource for quantum technologies such as metrology, cryptography, and fault-tolerant codes. While state-of-the-art measurement-based protocols offer efficient low-depth execution, their performance can be bottlenecked by conventional decoders, such as minimum weight perfect matching (MWPM) or even maximum-likelihood decoding (MLD), which optimize for $binary$ logical recovery and fail to maximize the $continuous$ long-range order characteristic of a GHZ state for two-dimensional geometri"},"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":"2608.00160","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2026-07-31T18:00:00Z","cross_cats_sorted":["cond-mat.dis-nn","cond-mat.stat-mech"],"title_canon_sha256":"3184860b74243154e56fac6e884a07fcfb7d4fa10ddf7478f679520f9fb7f84c","abstract_canon_sha256":"b73796910dda5c3e7c35c0bd48d636252b8ebe480b8efd1aa249034a0fe96606"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-04T00:33:05.847542Z","signature_b64":"CmgBFbRixY2YrUe+q5QR7NFMG6YGlTP5CcEW/4bZLauQJqgR8e8CUdllAwkpBjUDF/YyIX61CM/suYzbfoEdCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"071d01afb5ff5e59f5a686672b9dd2abd36957d06c61426011c52c3705fde552","last_reissued_at":"2026-08-04T00:33:05.846173Z","signature_status":"signed_v1","first_computed_at":"2026-08-04T00:33:05.846173Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optimal Decoding for Measurement-Based GHZ State Preparation: The Maximum-Utility Decoder","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.dis-nn","cond-mat.stat-mech"],"primary_cat":"quant-ph","authors_text":"Misha Yutushui, Simon Trebst, Theo Haas","submitted_at":"2026-07-31T18:00:00Z","abstract_excerpt":"The meticulous preparation of macroscopic Greenberger-Horne-Zeilinger (GHZ) states provides a foundational resource for quantum technologies such as metrology, cryptography, and fault-tolerant codes. While state-of-the-art measurement-based protocols offer efficient low-depth execution, their performance can be bottlenecked by conventional decoders, such as minimum weight perfect matching (MWPM) or even maximum-likelihood decoding (MLD), which optimize for $binary$ logical recovery and fail to maximize the $continuous$ long-range order characteristic of a GHZ state for two-dimensional geometri"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.00160","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/2608.00160/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":"2608.00160","created_at":"2026-08-04T00:33:05.847194+00:00"},{"alias_kind":"arxiv_version","alias_value":"2608.00160v1","created_at":"2026-08-04T00:33:05.847194+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.00160","created_at":"2026-08-04T00:33:05.847194+00:00"},{"alias_kind":"pith_short_12","alias_value":"A4OQDL5V75PF","created_at":"2026-08-04T00:33:05.847194+00:00"},{"alias_kind":"pith_short_16","alias_value":"A4OQDL5V75PFT5NG","created_at":"2026-08-04T00:33:05.847194+00:00"},{"alias_kind":"pith_short_8","alias_value":"A4OQDL5V","created_at":"2026-08-04T00:33:05.847194+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/A4OQDL5V75PFT5NGQZTSXHOSVP","json":"https://pith.science/pith/A4OQDL5V75PFT5NGQZTSXHOSVP.json","graph_json":"https://pith.science/api/pith-number/A4OQDL5V75PFT5NGQZTSXHOSVP/graph.json","events_json":"https://pith.science/api/pith-number/A4OQDL5V75PFT5NGQZTSXHOSVP/events.json","paper":"https://pith.science/paper/A4OQDL5V"},"agent_actions":{"view_html":"https://pith.science/pith/A4OQDL5V75PFT5NGQZTSXHOSVP","download_json":"https://pith.science/pith/A4OQDL5V75PFT5NGQZTSXHOSVP.json","view_paper":"https://pith.science/paper/A4OQDL5V","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2608.00160&json=true","fetch_graph":"https://pith.science/api/pith-number/A4OQDL5V75PFT5NGQZTSXHOSVP/graph.json","fetch_events":"https://pith.science/api/pith-number/A4OQDL5V75PFT5NGQZTSXHOSVP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/A4OQDL5V75PFT5NGQZTSXHOSVP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/A4OQDL5V75PFT5NGQZTSXHOSVP/action/storage_attestation","attest_author":"https://pith.science/pith/A4OQDL5V75PFT5NGQZTSXHOSVP/action/author_attestation","sign_citation":"https://pith.science/pith/A4OQDL5V75PFT5NGQZTSXHOSVP/action/citation_signature","submit_replication":"https://pith.science/pith/A4OQDL5V75PFT5NGQZTSXHOSVP/action/replication_record"}},"created_at":"2026-08-04T00:33:05.847194+00:00","updated_at":"2026-08-04T00:33:05.847194+00:00"}