{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:2UTTRKJYA4OCEPOT26B7R3JNUG","short_pith_number":"pith:2UTTRKJY","canonical_record":{"source":{"id":"1712.05282","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-14T15:24:18Z","cross_cats_sorted":[],"title_canon_sha256":"8217183ed893c0c01b0007f3681f15dd104ff50780ed04e474fc79c74e49b65f","abstract_canon_sha256":"544a0914e95ea3d0ea9db2a37528336c46870986ec41af4afaf2a653a08c5669"},"schema_version":"1.0"},"canonical_sha256":"d52738a938071c223dd3d783f8ed2da1bb318b778952b3130255be0eb7cb0d34","source":{"kind":"arxiv","id":"1712.05282","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.05282","created_at":"2026-05-18T00:27:58Z"},{"alias_kind":"arxiv_version","alias_value":"1712.05282v1","created_at":"2026-05-18T00:27:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.05282","created_at":"2026-05-18T00:27:58Z"},{"alias_kind":"pith_short_12","alias_value":"2UTTRKJYA4OC","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2UTTRKJYA4OCEPOT","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2UTTRKJY","created_at":"2026-05-18T12:30:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:2UTTRKJYA4OCEPOT26B7R3JNUG","target":"record","payload":{"canonical_record":{"source":{"id":"1712.05282","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-14T15:24:18Z","cross_cats_sorted":[],"title_canon_sha256":"8217183ed893c0c01b0007f3681f15dd104ff50780ed04e474fc79c74e49b65f","abstract_canon_sha256":"544a0914e95ea3d0ea9db2a37528336c46870986ec41af4afaf2a653a08c5669"},"schema_version":"1.0"},"canonical_sha256":"d52738a938071c223dd3d783f8ed2da1bb318b778952b3130255be0eb7cb0d34","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:58.372132Z","signature_b64":"t65AH840/InBtjfGrTbKD/ijOC4xSGssZRyM2dl632JoXV8ejvN8d0vWt24dJi2ApUXSwaOSrXn1nLa/CUwiBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d52738a938071c223dd3d783f8ed2da1bb318b778952b3130255be0eb7cb0d34","last_reissued_at":"2026-05-18T00:27:58.371502Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:58.371502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.05282","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":"2026-05-18T00:27:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8w65ef24jlAFt1R25X/n+xI4aNcBbs43a31rp8blFHbn2XjfsayBm5BIsnLzt4ND2rWXnobheTF2MPS3PwEPDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T21:14:33.740715Z"},"content_sha256":"df1b5a4a6da623472b422d6961a0400b0ff877c71a6fa67adc6684d087d7d603","schema_version":"1.0","event_id":"sha256:df1b5a4a6da623472b422d6961a0400b0ff877c71a6fa67adc6684d087d7d603"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:2UTTRKJYA4OCEPOT26B7R3JNUG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum simulation of ferromagnetic Heisenberg model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Jacob M. Taylor, Minh Cong Tran, Yiping Wang","submitted_at":"2017-12-14T15:24:18Z","abstract_excerpt":"Large quantum simulators, with sufficiently many qubits to be impossible to simulate classically, become hard to experimentally validate. We propose two tests of a quantum simulator with Heisenberg interaction in a linear chain of spins. In the first, we propagate half of a singlet state through a chain of spin with a ferromagnetic interaction and subsequently recover the state with an antiferromagnetic interaction. The antiferromagnetic interaction is intrinsic to the system while the ferromagnetic one can be simulated by a sequence of time-dependent controls of the antiferromagnetic interact"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.05282","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":""},"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":"2026-05-18T00:27:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w3FJG/1Sp+Kamx3eYVdsCVZf9CajCxHZn4Ewzu2Isr/sMnZnawT/IbYWuJ+9uh40eUCwbqmodxhAZ+p1e3z7Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T21:14:33.741367Z"},"content_sha256":"478832ada791906ebd94cbf07d44c1b0fbefed039b960fae237d8a310df4d6d3","schema_version":"1.0","event_id":"sha256:478832ada791906ebd94cbf07d44c1b0fbefed039b960fae237d8a310df4d6d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2UTTRKJYA4OCEPOT26B7R3JNUG/bundle.json","state_url":"https://pith.science/pith/2UTTRKJYA4OCEPOT26B7R3JNUG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2UTTRKJYA4OCEPOT26B7R3JNUG/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":"2026-06-06T21:14:33Z","links":{"resolver":"https://pith.science/pith/2UTTRKJYA4OCEPOT26B7R3JNUG","bundle":"https://pith.science/pith/2UTTRKJYA4OCEPOT26B7R3JNUG/bundle.json","state":"https://pith.science/pith/2UTTRKJYA4OCEPOT26B7R3JNUG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2UTTRKJYA4OCEPOT26B7R3JNUG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:2UTTRKJYA4OCEPOT26B7R3JNUG","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":"544a0914e95ea3d0ea9db2a37528336c46870986ec41af4afaf2a653a08c5669","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-14T15:24:18Z","title_canon_sha256":"8217183ed893c0c01b0007f3681f15dd104ff50780ed04e474fc79c74e49b65f"},"schema_version":"1.0","source":{"id":"1712.05282","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.05282","created_at":"2026-05-18T00:27:58Z"},{"alias_kind":"arxiv_version","alias_value":"1712.05282v1","created_at":"2026-05-18T00:27:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.05282","created_at":"2026-05-18T00:27:58Z"},{"alias_kind":"pith_short_12","alias_value":"2UTTRKJYA4OC","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2UTTRKJYA4OCEPOT","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2UTTRKJY","created_at":"2026-05-18T12:30:55Z"}],"graph_snapshots":[{"event_id":"sha256:478832ada791906ebd94cbf07d44c1b0fbefed039b960fae237d8a310df4d6d3","target":"graph","created_at":"2026-05-18T00:27:58Z","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":"Large quantum simulators, with sufficiently many qubits to be impossible to simulate classically, become hard to experimentally validate. We propose two tests of a quantum simulator with Heisenberg interaction in a linear chain of spins. In the first, we propagate half of a singlet state through a chain of spin with a ferromagnetic interaction and subsequently recover the state with an antiferromagnetic interaction. The antiferromagnetic interaction is intrinsic to the system while the ferromagnetic one can be simulated by a sequence of time-dependent controls of the antiferromagnetic interact","authors_text":"Jacob M. Taylor, Minh Cong Tran, Yiping Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-14T15:24:18Z","title":"Quantum simulation of ferromagnetic Heisenberg model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.05282","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:df1b5a4a6da623472b422d6961a0400b0ff877c71a6fa67adc6684d087d7d603","target":"record","created_at":"2026-05-18T00:27:58Z","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":"544a0914e95ea3d0ea9db2a37528336c46870986ec41af4afaf2a653a08c5669","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-12-14T15:24:18Z","title_canon_sha256":"8217183ed893c0c01b0007f3681f15dd104ff50780ed04e474fc79c74e49b65f"},"schema_version":"1.0","source":{"id":"1712.05282","kind":"arxiv","version":1}},"canonical_sha256":"d52738a938071c223dd3d783f8ed2da1bb318b778952b3130255be0eb7cb0d34","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d52738a938071c223dd3d783f8ed2da1bb318b778952b3130255be0eb7cb0d34","first_computed_at":"2026-05-18T00:27:58.371502Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:58.371502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"t65AH840/InBtjfGrTbKD/ijOC4xSGssZRyM2dl632JoXV8ejvN8d0vWt24dJi2ApUXSwaOSrXn1nLa/CUwiBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:58.372132Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.05282","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df1b5a4a6da623472b422d6961a0400b0ff877c71a6fa67adc6684d087d7d603","sha256:478832ada791906ebd94cbf07d44c1b0fbefed039b960fae237d8a310df4d6d3"],"state_sha256":"28034c5acf049486f26b27a291ee2d1f0ac554d47afcbd7f51100be49fb06529"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZShLWGNRL8YiC4F4cvCY9nwwccSMoI1w/Qfw1EBbsiWvqYOjJjDv12K3g+gvOFLTeEa5qGaXsvhKD+E0CLsRBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T21:14:33.744367Z","bundle_sha256":"fc0f13e57d720ddf3bb6907e0c808b7c287a6aa81e26ff24bb1455ab6fb1d89d"}}