{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:NDMFQLN3F4LKGLVPLXGRF6HNP4","short_pith_number":"pith:NDMFQLN3","canonical_record":{"source":{"id":"1608.04740","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-08-16T20:00:00Z","cross_cats_sorted":["hep-th","quant-ph"],"title_canon_sha256":"010d34e327e7f80eb03cbeb17972300e0028b2d2d97dd82c63985de72bc39246","abstract_canon_sha256":"2ebaef31759a982374941031e11c5ac28d5ffc685d50fea82497d13e601eea46"},"schema_version":"1.0"},"canonical_sha256":"68d8582dbb2f16a32eaf5dcd12f8ed7f2c0f4b548a7a8f6d8b763c02246ce991","source":{"kind":"arxiv","id":"1608.04740","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.04740","created_at":"2026-05-18T01:01:53Z"},{"alias_kind":"arxiv_version","alias_value":"1608.04740v2","created_at":"2026-05-18T01:01:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.04740","created_at":"2026-05-18T01:01:53Z"},{"alias_kind":"pith_short_12","alias_value":"NDMFQLN3F4LK","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NDMFQLN3F4LKGLVP","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NDMFQLN3","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:NDMFQLN3F4LKGLVPLXGRF6HNP4","target":"record","payload":{"canonical_record":{"source":{"id":"1608.04740","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-08-16T20:00:00Z","cross_cats_sorted":["hep-th","quant-ph"],"title_canon_sha256":"010d34e327e7f80eb03cbeb17972300e0028b2d2d97dd82c63985de72bc39246","abstract_canon_sha256":"2ebaef31759a982374941031e11c5ac28d5ffc685d50fea82497d13e601eea46"},"schema_version":"1.0"},"canonical_sha256":"68d8582dbb2f16a32eaf5dcd12f8ed7f2c0f4b548a7a8f6d8b763c02246ce991","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:01:53.013160Z","signature_b64":"OKuV2Gz/GtoqipXSt1s9wTV+nQIESBh07KOahjpaprFJTQOKovB4cBj5DowUWaEs4Ec2FgKXtMyom4XLBf/aDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68d8582dbb2f16a32eaf5dcd12f8ed7f2c0f4b548a7a8f6d8b763c02246ce991","last_reissued_at":"2026-05-18T01:01:53.012614Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:01:53.012614Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.04740","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:01:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rgOerZZUxGdkWp1iAGhAIGac8tFrw0lQXHCsLVuO1K6ZFbM+945MQQId0LER8HR7mU7QScYu0BvUo/sp0cd4Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T03:33:34.797859Z"},"content_sha256":"01db10ed7d65eee3c93ebaf6821b6a96b18c5b1f90fb33859879521bfaa7cbac","schema_version":"1.0","event_id":"sha256:01db10ed7d65eee3c93ebaf6821b6a96b18c5b1f90fb33859879521bfaa7cbac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:NDMFQLN3F4LKGLVPLXGRF6HNP4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entangled Cloning of Stabilizer Codes and Free Fermions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","quant-ph"],"primary_cat":"cond-mat.str-el","authors_text":"Timothy H. Hsieh","submitted_at":"2016-08-16T20:00:00Z","abstract_excerpt":"Though the no-cloning theorem [1] prohibits exact replication of arbitrary quantum states, there are many instances in quantum information processing and entanglement measurement in which a weaker form of cloning may be useful. Here, I provide a construction for generating an \"entangled clone\" for a particular but rather expansive and rich class of states. Given a stabilizer code or free fermion Hamiltonian, this construction generates an exact entangled clone of the original ground state, in the sense that the entanglement between the original and the exact copy can be tuned to be arbitrarily"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.04740","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":""},"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":"2026-05-18T01:01:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VUwbjIxUgI6SVMQU/P+VfkXgM5mhU1HcM3YWqTFBYnpixBvZM5CyenmHpPRRcJkzIqDG8/5slwoM3fekSRHTCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T03:33:34.798199Z"},"content_sha256":"286e6c9be8df570dcc835a230320678eb82360772048e5a81cf078fc81f86ea1","schema_version":"1.0","event_id":"sha256:286e6c9be8df570dcc835a230320678eb82360772048e5a81cf078fc81f86ea1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NDMFQLN3F4LKGLVPLXGRF6HNP4/bundle.json","state_url":"https://pith.science/pith/NDMFQLN3F4LKGLVPLXGRF6HNP4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NDMFQLN3F4LKGLVPLXGRF6HNP4/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":"2026-06-02T03:33:34Z","links":{"resolver":"https://pith.science/pith/NDMFQLN3F4LKGLVPLXGRF6HNP4","bundle":"https://pith.science/pith/NDMFQLN3F4LKGLVPLXGRF6HNP4/bundle.json","state":"https://pith.science/pith/NDMFQLN3F4LKGLVPLXGRF6HNP4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NDMFQLN3F4LKGLVPLXGRF6HNP4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:NDMFQLN3F4LKGLVPLXGRF6HNP4","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":"2ebaef31759a982374941031e11c5ac28d5ffc685d50fea82497d13e601eea46","cross_cats_sorted":["hep-th","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-08-16T20:00:00Z","title_canon_sha256":"010d34e327e7f80eb03cbeb17972300e0028b2d2d97dd82c63985de72bc39246"},"schema_version":"1.0","source":{"id":"1608.04740","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.04740","created_at":"2026-05-18T01:01:53Z"},{"alias_kind":"arxiv_version","alias_value":"1608.04740v2","created_at":"2026-05-18T01:01:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.04740","created_at":"2026-05-18T01:01:53Z"},{"alias_kind":"pith_short_12","alias_value":"NDMFQLN3F4LK","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NDMFQLN3F4LKGLVP","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NDMFQLN3","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:286e6c9be8df570dcc835a230320678eb82360772048e5a81cf078fc81f86ea1","target":"graph","created_at":"2026-05-18T01:01:53Z","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":"Though the no-cloning theorem [1] prohibits exact replication of arbitrary quantum states, there are many instances in quantum information processing and entanglement measurement in which a weaker form of cloning may be useful. Here, I provide a construction for generating an \"entangled clone\" for a particular but rather expansive and rich class of states. Given a stabilizer code or free fermion Hamiltonian, this construction generates an exact entangled clone of the original ground state, in the sense that the entanglement between the original and the exact copy can be tuned to be arbitrarily","authors_text":"Timothy H. Hsieh","cross_cats":["hep-th","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-08-16T20:00:00Z","title":"Entangled Cloning of Stabilizer Codes and Free Fermions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.04740","kind":"arxiv","version":2},"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":"sha256:01db10ed7d65eee3c93ebaf6821b6a96b18c5b1f90fb33859879521bfaa7cbac","target":"record","created_at":"2026-05-18T01:01:53Z","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":"2ebaef31759a982374941031e11c5ac28d5ffc685d50fea82497d13e601eea46","cross_cats_sorted":["hep-th","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-08-16T20:00:00Z","title_canon_sha256":"010d34e327e7f80eb03cbeb17972300e0028b2d2d97dd82c63985de72bc39246"},"schema_version":"1.0","source":{"id":"1608.04740","kind":"arxiv","version":2}},"canonical_sha256":"68d8582dbb2f16a32eaf5dcd12f8ed7f2c0f4b548a7a8f6d8b763c02246ce991","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68d8582dbb2f16a32eaf5dcd12f8ed7f2c0f4b548a7a8f6d8b763c02246ce991","first_computed_at":"2026-05-18T01:01:53.012614Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:01:53.012614Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OKuV2Gz/GtoqipXSt1s9wTV+nQIESBh07KOahjpaprFJTQOKovB4cBj5DowUWaEs4Ec2FgKXtMyom4XLBf/aDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:01:53.013160Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.04740","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:01db10ed7d65eee3c93ebaf6821b6a96b18c5b1f90fb33859879521bfaa7cbac","sha256:286e6c9be8df570dcc835a230320678eb82360772048e5a81cf078fc81f86ea1"],"state_sha256":"e93ebd4eeaaea472e2ec9db6b62e510ed214d0739ba41eb020d956696a69215d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Sn35zguF1tQ92ce0NwjDZo2dlSUx/Yn/iLD2EnB07eczGSwabYUVamQzc+hBohX/cMKGKvmoDuXc/isa9YiCCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T03:33:34.800080Z","bundle_sha256":"3e651a835b4e9cdf01cb1b291ec98a561c3f43de5807447e512dadbbe3bc271e"}}