{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:EDY3L6UO46ZUTNRJMGIBFHDBZD","short_pith_number":"pith:EDY3L6UO","canonical_record":{"source":{"id":"1111.5201","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-11-22T14:17:05Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"48f0cc1f82803b5b068af49b1a8b22ef3a8c39f03711ff2cacdd54ca4098cf7d","abstract_canon_sha256":"4f2c2976329e71c26818294d894aa38c22587950ed4c307b1a43c53e67d9e8da"},"schema_version":"1.0"},"canonical_sha256":"20f1b5fa8ee7b349b6296190129c61c8fbbdbccf44313fad70993754c652c632","source":{"kind":"arxiv","id":"1111.5201","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.5201","created_at":"2026-05-18T01:59:26Z"},{"alias_kind":"arxiv_version","alias_value":"1111.5201v1","created_at":"2026-05-18T01:59:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.5201","created_at":"2026-05-18T01:59:26Z"},{"alias_kind":"pith_short_12","alias_value":"EDY3L6UO46ZU","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"EDY3L6UO46ZUTNRJ","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"EDY3L6UO","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:EDY3L6UO46ZUTNRJMGIBFHDBZD","target":"record","payload":{"canonical_record":{"source":{"id":"1111.5201","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-11-22T14:17:05Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"48f0cc1f82803b5b068af49b1a8b22ef3a8c39f03711ff2cacdd54ca4098cf7d","abstract_canon_sha256":"4f2c2976329e71c26818294d894aa38c22587950ed4c307b1a43c53e67d9e8da"},"schema_version":"1.0"},"canonical_sha256":"20f1b5fa8ee7b349b6296190129c61c8fbbdbccf44313fad70993754c652c632","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:26.881861Z","signature_b64":"hsltUNhWEBp1tlVZvcu7SsoCcV4maIHlOsvp2NURY4kt9qNVbcn5IIksA6oHLZKRzhMAWjQfo2j366YQM2tUAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"20f1b5fa8ee7b349b6296190129c61c8fbbdbccf44313fad70993754c652c632","last_reissued_at":"2026-05-18T01:59:26.881134Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:26.881134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.5201","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":"2026-05-18T01:59:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MXsGAkOoW5eN31QIvseolFuheCUxeWc5U6UQgHqVyHFEFXAYAJnH7GA/E0RTW3DPS//umMaw0nHRlF5kkJxdCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:11:43.558734Z"},"content_sha256":"30588fc4494628e6d13d797404befedb466ec4e83df989b9cba3c85c38383ad9","schema_version":"1.0","event_id":"sha256:30588fc4494628e6d13d797404befedb466ec4e83df989b9cba3c85c38383ad9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:EDY3L6UO46ZUTNRJMGIBFHDBZD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Molecular nanomagnets as quantum simulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"F. Troiani, G. Amoretti, P. Santini, S. Carretta","submitted_at":"2011-11-22T14:17:05Z","abstract_excerpt":"Quantum simulators are controllable systems that can be used to simulate other quantum systems. Here we focus on the dynamics of a chain of molecular qubits with interposed antiferromagnetic dimers. We theoretically show that its dynamics can be controlled by means of uniform magnetic pulses and used to mimic the evolution of other quantum systems, including fermionic ones. We propose two proof-of-principle experiments, based on the simulation of the Ising model in transverse field and of the quantum tunneling of the magnetization in a spin-1 system."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.5201","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":"2026-05-18T01:59:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aYfktzMFcgBMfbVByFxRE3Ln1ybSMaV4zxfIgBPYusc+02+4klmu2iMRtm2M1+Z6JaQcXDR4sw8loDFIEXZDBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:11:43.559566Z"},"content_sha256":"6658c5bb8620691e2a67bbab0d65e28a507f5f87360a732179593a13b7f89d38","schema_version":"1.0","event_id":"sha256:6658c5bb8620691e2a67bbab0d65e28a507f5f87360a732179593a13b7f89d38"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EDY3L6UO46ZUTNRJMGIBFHDBZD/bundle.json","state_url":"https://pith.science/pith/EDY3L6UO46ZUTNRJMGIBFHDBZD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EDY3L6UO46ZUTNRJMGIBFHDBZD/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":"2026-05-31T19:11:43Z","links":{"resolver":"https://pith.science/pith/EDY3L6UO46ZUTNRJMGIBFHDBZD","bundle":"https://pith.science/pith/EDY3L6UO46ZUTNRJMGIBFHDBZD/bundle.json","state":"https://pith.science/pith/EDY3L6UO46ZUTNRJMGIBFHDBZD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EDY3L6UO46ZUTNRJMGIBFHDBZD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:EDY3L6UO46ZUTNRJMGIBFHDBZD","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":"4f2c2976329e71c26818294d894aa38c22587950ed4c307b1a43c53e67d9e8da","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-11-22T14:17:05Z","title_canon_sha256":"48f0cc1f82803b5b068af49b1a8b22ef3a8c39f03711ff2cacdd54ca4098cf7d"},"schema_version":"1.0","source":{"id":"1111.5201","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.5201","created_at":"2026-05-18T01:59:26Z"},{"alias_kind":"arxiv_version","alias_value":"1111.5201v1","created_at":"2026-05-18T01:59:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.5201","created_at":"2026-05-18T01:59:26Z"},{"alias_kind":"pith_short_12","alias_value":"EDY3L6UO46ZU","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"EDY3L6UO46ZUTNRJ","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"EDY3L6UO","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:6658c5bb8620691e2a67bbab0d65e28a507f5f87360a732179593a13b7f89d38","target":"graph","created_at":"2026-05-18T01:59:26Z","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":"Quantum simulators are controllable systems that can be used to simulate other quantum systems. Here we focus on the dynamics of a chain of molecular qubits with interposed antiferromagnetic dimers. We theoretically show that its dynamics can be controlled by means of uniform magnetic pulses and used to mimic the evolution of other quantum systems, including fermionic ones. We propose two proof-of-principle experiments, based on the simulation of the Ising model in transverse field and of the quantum tunneling of the magnetization in a spin-1 system.","authors_text":"F. Troiani, G. Amoretti, P. Santini, S. Carretta","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-11-22T14:17:05Z","title":"Molecular nanomagnets as quantum simulators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.5201","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":"sha256:30588fc4494628e6d13d797404befedb466ec4e83df989b9cba3c85c38383ad9","target":"record","created_at":"2026-05-18T01:59:26Z","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":"4f2c2976329e71c26818294d894aa38c22587950ed4c307b1a43c53e67d9e8da","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-11-22T14:17:05Z","title_canon_sha256":"48f0cc1f82803b5b068af49b1a8b22ef3a8c39f03711ff2cacdd54ca4098cf7d"},"schema_version":"1.0","source":{"id":"1111.5201","kind":"arxiv","version":1}},"canonical_sha256":"20f1b5fa8ee7b349b6296190129c61c8fbbdbccf44313fad70993754c652c632","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"20f1b5fa8ee7b349b6296190129c61c8fbbdbccf44313fad70993754c652c632","first_computed_at":"2026-05-18T01:59:26.881134Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:26.881134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hsltUNhWEBp1tlVZvcu7SsoCcV4maIHlOsvp2NURY4kt9qNVbcn5IIksA6oHLZKRzhMAWjQfo2j366YQM2tUAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:26.881861Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.5201","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:30588fc4494628e6d13d797404befedb466ec4e83df989b9cba3c85c38383ad9","sha256:6658c5bb8620691e2a67bbab0d65e28a507f5f87360a732179593a13b7f89d38"],"state_sha256":"b6238497a1b2f8af2612fce32a0b6275abdc932188bfaa091c59191e96da0b48"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KA9mY1SNvma2w3mHcddvPF/PPGivhD6D9iUcxXCG5oDCb9/IRw4LUSHwhxzM+p+ZgKPQoQdE6mc+lRKsu8NPAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T19:11:43.563849Z","bundle_sha256":"ea22f77ee87c20ba43aae17837e340ce65ff82095605de86aba78332f4a31145"}}