{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:SLHOA4AFJZSESOFPHUWA554FKN","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":"021107ac0307e35743b4056f190c678e2cfb6d97e0da5c082b019e50200a9b0a","cross_cats_sorted":["cond-mat.other","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-02-23T21:00:16Z","title_canon_sha256":"7091a90d0ac0c21e1f9cb971ff692ce5611e3f0d050210e70fe73cce92052de8"},"schema_version":"1.0","source":{"id":"1502.06618","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.06618","created_at":"2026-05-18T02:26:29Z"},{"alias_kind":"arxiv_version","alias_value":"1502.06618v1","created_at":"2026-05-18T02:26:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.06618","created_at":"2026-05-18T02:26:29Z"},{"alias_kind":"pith_short_12","alias_value":"SLHOA4AFJZSE","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"SLHOA4AFJZSESOFP","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"SLHOA4AF","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:bb3106bc038883b393ddca2884ce607e52434b9070aa0b0235162f21c2939e85","target":"graph","created_at":"2026-05-18T02:26:29Z","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"},"paper":{"abstract_excerpt":"There exists a remarkable four-qutrit state that carries absolute maximal entanglement in all its partitions. Employing this state, we construct a tensor network that delivers a holographic many body state, the H-code, where the physical properties of the boundary determine those of the bulk. This H-code is made of an even superposition of states whose relative Hamming distances are exponentially large with the size of the boundary. This property makes H-codes natural states for a quantum memory. H-codes exist on tori of definite sizes and get classified in three different sectors characterize","authors_text":"German Sierra, Jose I. Latorre","cross_cats":["cond-mat.other","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-02-23T21:00:16Z","title":"Holographic codes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.06618","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":"sha256:7bb879c2ec4dcd19507b675f1944159022c5298cbb5985a1125f1d3f69088517","target":"record","created_at":"2026-05-18T02:26:29Z","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":"021107ac0307e35743b4056f190c678e2cfb6d97e0da5c082b019e50200a9b0a","cross_cats_sorted":["cond-mat.other","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-02-23T21:00:16Z","title_canon_sha256":"7091a90d0ac0c21e1f9cb971ff692ce5611e3f0d050210e70fe73cce92052de8"},"schema_version":"1.0","source":{"id":"1502.06618","kind":"arxiv","version":1}},"canonical_sha256":"92cee070054e644938af3d2c0ef785534855baf8260de436a9cde0afad1089ac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92cee070054e644938af3d2c0ef785534855baf8260de436a9cde0afad1089ac","first_computed_at":"2026-05-18T02:26:29.626648Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:26:29.626648Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IIoRUlIm3fX+oldngaWnRrE+WuO7tUYLvHqGSGT5l2yi0L400l90/67CJuSD1UR7cOcW1RaxKXJyLcuaVANBDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:26:29.627063Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.06618","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7bb879c2ec4dcd19507b675f1944159022c5298cbb5985a1125f1d3f69088517","sha256:bb3106bc038883b393ddca2884ce607e52434b9070aa0b0235162f21c2939e85"],"state_sha256":"f3ef043653aa4e4b09548f444c60515587db2170e291d50d9566bda2f6cbfede"}