{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:X44ML5COQXVIVVRZNYTZTXOH6Q","short_pith_number":"pith:X44ML5CO","canonical_record":{"source":{"id":"2109.13883","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-09-28T17:13:53Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"3c8c6a004067c00be6f76247d17ac9afd10dac9f287aa3b29616f3ca510af00d","abstract_canon_sha256":"1ccd6ec8db1bc2a5082330a8546257a63d9f14787177fe3e7735b8b8692f9868"},"schema_version":"1.0"},"canonical_sha256":"bf38c5f44e85ea8ad6396e2799ddc7f42c198fab0ec1884f7d94d78b0a184209","source":{"kind":"arxiv","id":"2109.13883","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.13883","created_at":"2026-07-05T03:18:07Z"},{"alias_kind":"arxiv_version","alias_value":"2109.13883v1","created_at":"2026-07-05T03:18:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.13883","created_at":"2026-07-05T03:18:07Z"},{"alias_kind":"pith_short_12","alias_value":"X44ML5COQXVI","created_at":"2026-07-05T03:18:07Z"},{"alias_kind":"pith_short_16","alias_value":"X44ML5COQXVIVVRZ","created_at":"2026-07-05T03:18:07Z"},{"alias_kind":"pith_short_8","alias_value":"X44ML5CO","created_at":"2026-07-05T03:18:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:X44ML5COQXVIVVRZNYTZTXOH6Q","target":"record","payload":{"canonical_record":{"source":{"id":"2109.13883","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-09-28T17:13:53Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"3c8c6a004067c00be6f76247d17ac9afd10dac9f287aa3b29616f3ca510af00d","abstract_canon_sha256":"1ccd6ec8db1bc2a5082330a8546257a63d9f14787177fe3e7735b8b8692f9868"},"schema_version":"1.0"},"canonical_sha256":"bf38c5f44e85ea8ad6396e2799ddc7f42c198fab0ec1884f7d94d78b0a184209","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:18:07.401472Z","signature_b64":"2SyGGss8/nP+KQ/TjJdAy4GFBOm6/xhLn0VYnEg8afBAexBjSp0SwVEAeh80V3FmG0tliF4rgm5hhfmgHVvADQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf38c5f44e85ea8ad6396e2799ddc7f42c198fab0ec1884f7d94d78b0a184209","last_reissued_at":"2026-07-05T03:18:07.400981Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:18:07.400981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.13883","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:18:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MUK0uDcsSgf+ZyxDb+jxLTTk5Uz5wDKImSANdWKp4spnWznBxPQxSlU0u9VqtUh+EQn3jgWSIJovirLL3PovDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T12:01:15.321871Z"},"content_sha256":"352269bbc09b8174ec328274a5c82ad0edffcdeff935ddde3bd44ec2f6346c71","schema_version":"1.0","event_id":"sha256:352269bbc09b8174ec328274a5c82ad0edffcdeff935ddde3bd44ec2f6346c71"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:X44ML5COQXVIVVRZNYTZTXOH6Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum simulation and ground state preparation for the honeycomb Kitaev model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"quant-ph","authors_text":"Oleksandr Kyriienko, Tatiana A. Bespalova","submitted_at":"2021-09-28T17:13:53Z","abstract_excerpt":"We propose a quantum protocol that allows preparing a ground state (GS) of the honeycomb Kitaev model. Our approach efficiently uses underlying symmetries and techniques from topological error correction. It is based on the stabilization procedure, the developed centralizer ansatz, and utilizes the vortex basis description as the most advantageous for qubit-based simulations. We demonstrate the high fidelity preparation of spin liquid ground states for the original Kitaev model, getting the exact GS for N=24 spins using 230 two-qubit operations. We then extend the variational procedure to non-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.13883","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/2109.13883/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T03:18:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dzfuzHLoosV9dDWqkW36QlNS1nASZtFM1YuYVr35Qd/D7oM7FhO/+Hy9RpEZ3Xtz1HR75D1l6UQJxMfYUbvODw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T12:01:15.322393Z"},"content_sha256":"62b288dea0b5165f2835901bd1b5a82d15219b18fb07e9d9e92096c10ec9abd0","schema_version":"1.0","event_id":"sha256:62b288dea0b5165f2835901bd1b5a82d15219b18fb07e9d9e92096c10ec9abd0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X44ML5COQXVIVVRZNYTZTXOH6Q/bundle.json","state_url":"https://pith.science/pith/X44ML5COQXVIVVRZNYTZTXOH6Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X44ML5COQXVIVVRZNYTZTXOH6Q/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-12T12:01:15Z","links":{"resolver":"https://pith.science/pith/X44ML5COQXVIVVRZNYTZTXOH6Q","bundle":"https://pith.science/pith/X44ML5COQXVIVVRZNYTZTXOH6Q/bundle.json","state":"https://pith.science/pith/X44ML5COQXVIVVRZNYTZTXOH6Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X44ML5COQXVIVVRZNYTZTXOH6Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:X44ML5COQXVIVVRZNYTZTXOH6Q","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"1ccd6ec8db1bc2a5082330a8546257a63d9f14787177fe3e7735b8b8692f9868","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-09-28T17:13:53Z","title_canon_sha256":"3c8c6a004067c00be6f76247d17ac9afd10dac9f287aa3b29616f3ca510af00d"},"schema_version":"1.0","source":{"id":"2109.13883","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.13883","created_at":"2026-07-05T03:18:07Z"},{"alias_kind":"arxiv_version","alias_value":"2109.13883v1","created_at":"2026-07-05T03:18:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.13883","created_at":"2026-07-05T03:18:07Z"},{"alias_kind":"pith_short_12","alias_value":"X44ML5COQXVI","created_at":"2026-07-05T03:18:07Z"},{"alias_kind":"pith_short_16","alias_value":"X44ML5COQXVIVVRZ","created_at":"2026-07-05T03:18:07Z"},{"alias_kind":"pith_short_8","alias_value":"X44ML5CO","created_at":"2026-07-05T03:18:07Z"}],"graph_snapshots":[{"event_id":"sha256:62b288dea0b5165f2835901bd1b5a82d15219b18fb07e9d9e92096c10ec9abd0","target":"graph","created_at":"2026-07-05T03:18:07Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2109.13883/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We propose a quantum protocol that allows preparing a ground state (GS) of the honeycomb Kitaev model. Our approach efficiently uses underlying symmetries and techniques from topological error correction. It is based on the stabilization procedure, the developed centralizer ansatz, and utilizes the vortex basis description as the most advantageous for qubit-based simulations. We demonstrate the high fidelity preparation of spin liquid ground states for the original Kitaev model, getting the exact GS for N=24 spins using 230 two-qubit operations. We then extend the variational procedure to non-","authors_text":"Oleksandr Kyriienko, Tatiana A. Bespalova","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-09-28T17:13:53Z","title":"Quantum simulation and ground state preparation for the honeycomb Kitaev model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.13883","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:352269bbc09b8174ec328274a5c82ad0edffcdeff935ddde3bd44ec2f6346c71","target":"record","created_at":"2026-07-05T03:18:07Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"1ccd6ec8db1bc2a5082330a8546257a63d9f14787177fe3e7735b8b8692f9868","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2021-09-28T17:13:53Z","title_canon_sha256":"3c8c6a004067c00be6f76247d17ac9afd10dac9f287aa3b29616f3ca510af00d"},"schema_version":"1.0","source":{"id":"2109.13883","kind":"arxiv","version":1}},"canonical_sha256":"bf38c5f44e85ea8ad6396e2799ddc7f42c198fab0ec1884f7d94d78b0a184209","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf38c5f44e85ea8ad6396e2799ddc7f42c198fab0ec1884f7d94d78b0a184209","first_computed_at":"2026-07-05T03:18:07.400981Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:18:07.400981Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2SyGGss8/nP+KQ/TjJdAy4GFBOm6/xhLn0VYnEg8afBAexBjSp0SwVEAeh80V3FmG0tliF4rgm5hhfmgHVvADQ==","signature_status":"signed_v1","signed_at":"2026-07-05T03:18:07.401472Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.13883","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:352269bbc09b8174ec328274a5c82ad0edffcdeff935ddde3bd44ec2f6346c71","sha256:62b288dea0b5165f2835901bd1b5a82d15219b18fb07e9d9e92096c10ec9abd0"],"state_sha256":"2010338443b6571eeccd205735c03ec6f2f5976d7c6c801ced463e4dae44131b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Hc9VmtdaUhLyBxDddcY+hEloX4ZuFaQnAgDkymKMQUA4EhR/sGtDw2ug0C14WPFydhoZaCvZD8zV8XdRBFIJAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T12:01:15.326984Z","bundle_sha256":"0c6fcea4ae583bb38198ff077eb4aee02a59466baa1d7f1a043dd9ce1cbd0ea8"}}