{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:XDONTW6N7XWCLR2YLT4ZFGCIGS","short_pith_number":"pith:XDONTW6N","canonical_record":{"source":{"id":"1208.3918","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-08-20T05:43:41Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"fb090b284c12935a1d12e98f7d5de8072fecd3d3b456d86559aa7626e160a68e","abstract_canon_sha256":"8ffab68563b1421493698202ab4a9da62cd3cdac4427baa0319bc817f58f74ce"},"schema_version":"1.0"},"canonical_sha256":"b8dcd9dbcdfdec25c7585cf99298483480dab1fed8e44f6e174e7dc97638800b","source":{"kind":"arxiv","id":"1208.3918","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.3918","created_at":"2026-05-18T03:07:02Z"},{"alias_kind":"arxiv_version","alias_value":"1208.3918v3","created_at":"2026-05-18T03:07:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.3918","created_at":"2026-05-18T03:07:02Z"},{"alias_kind":"pith_short_12","alias_value":"XDONTW6N7XWC","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XDONTW6N7XWCLR2Y","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XDONTW6N","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:XDONTW6N7XWCLR2YLT4ZFGCIGS","target":"record","payload":{"canonical_record":{"source":{"id":"1208.3918","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-08-20T05:43:41Z","cross_cats_sorted":["cond-mat.dis-nn"],"title_canon_sha256":"fb090b284c12935a1d12e98f7d5de8072fecd3d3b456d86559aa7626e160a68e","abstract_canon_sha256":"8ffab68563b1421493698202ab4a9da62cd3cdac4427baa0319bc817f58f74ce"},"schema_version":"1.0"},"canonical_sha256":"b8dcd9dbcdfdec25c7585cf99298483480dab1fed8e44f6e174e7dc97638800b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:07:02.160454Z","signature_b64":"Zs2gyjlrGyVvK31RNMVYPY/7IhSk+m+5SY5SoAdqMBBW/uCt0TwsQlcYoKs/wnHVWZI0UWjI9EdA4+Bc6kLWBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b8dcd9dbcdfdec25c7585cf99298483480dab1fed8e44f6e174e7dc97638800b","last_reissued_at":"2026-05-18T03:07:02.159983Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:07:02.159983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.3918","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:07:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N6H/d334QL7oClAiw/8rzrH0Zp/dA7xe5XmZB6Fo/Zlg6ASFAdu3O/sR6rBWs2vSTC0VrCS5t0+oT2BH/lMlDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:54:10.550249Z"},"content_sha256":"ddc69f04e260233933f36a4beea2124b1c2d208137bdc5b10490211ee3e4d7b5","schema_version":"1.0","event_id":"sha256:ddc69f04e260233933f36a4beea2124b1c2d208137bdc5b10490211ee3e4d7b5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:XDONTW6N7XWCLR2YLT4ZFGCIGS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low Depth Quantum Circuits for Ising Models","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.dis-nn"],"primary_cat":"quant-ph","authors_text":"G. K. Brennen, M. Cirio, O. Boada, S. Iblisdir","submitted_at":"2012-08-20T05:43:41Z","abstract_excerpt":"A scheme for measuring complex temperature partition functions of Ising models is introduced. In the context of ordered qubit registers this scheme finds a natural translation in terms of global operations, and single particle measurements on the edge of the array. Two applications of this scheme are presented. First, through appropriate Wick rotations, those amplitudes can be analytically continued to yield estimates for partition functions of Ising models. Bounds on the estimation error, valid with high confidence, are provided through a central-limit theorem, which validity extends beyond t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.3918","kind":"arxiv","version":3},"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":"2026-05-18T03:07:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dIyfrYrKq90CFMTRCzxAEtf5pydASLjM+scjRRExQVpMDfHRxIZxdYWkpxQ1q1Y1xtneEMYTmMIqSz1R132rAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T21:54:10.550675Z"},"content_sha256":"f2b0d1eb8b264e5c32dda878c07121abf7813706865db69ba83e6fb396d7a5b8","schema_version":"1.0","event_id":"sha256:f2b0d1eb8b264e5c32dda878c07121abf7813706865db69ba83e6fb396d7a5b8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XDONTW6N7XWCLR2YLT4ZFGCIGS/bundle.json","state_url":"https://pith.science/pith/XDONTW6N7XWCLR2YLT4ZFGCIGS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XDONTW6N7XWCLR2YLT4ZFGCIGS/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":"2026-05-31T21:54:10Z","links":{"resolver":"https://pith.science/pith/XDONTW6N7XWCLR2YLT4ZFGCIGS","bundle":"https://pith.science/pith/XDONTW6N7XWCLR2YLT4ZFGCIGS/bundle.json","state":"https://pith.science/pith/XDONTW6N7XWCLR2YLT4ZFGCIGS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XDONTW6N7XWCLR2YLT4ZFGCIGS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:XDONTW6N7XWCLR2YLT4ZFGCIGS","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":"8ffab68563b1421493698202ab4a9da62cd3cdac4427baa0319bc817f58f74ce","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-08-20T05:43:41Z","title_canon_sha256":"fb090b284c12935a1d12e98f7d5de8072fecd3d3b456d86559aa7626e160a68e"},"schema_version":"1.0","source":{"id":"1208.3918","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.3918","created_at":"2026-05-18T03:07:02Z"},{"alias_kind":"arxiv_version","alias_value":"1208.3918v3","created_at":"2026-05-18T03:07:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.3918","created_at":"2026-05-18T03:07:02Z"},{"alias_kind":"pith_short_12","alias_value":"XDONTW6N7XWC","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XDONTW6N7XWCLR2Y","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XDONTW6N","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:f2b0d1eb8b264e5c32dda878c07121abf7813706865db69ba83e6fb396d7a5b8","target":"graph","created_at":"2026-05-18T03:07:02Z","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":"A scheme for measuring complex temperature partition functions of Ising models is introduced. In the context of ordered qubit registers this scheme finds a natural translation in terms of global operations, and single particle measurements on the edge of the array. Two applications of this scheme are presented. First, through appropriate Wick rotations, those amplitudes can be analytically continued to yield estimates for partition functions of Ising models. Bounds on the estimation error, valid with high confidence, are provided through a central-limit theorem, which validity extends beyond t","authors_text":"G. K. Brennen, M. Cirio, O. Boada, S. Iblisdir","cross_cats":["cond-mat.dis-nn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-08-20T05:43:41Z","title":"Low Depth Quantum Circuits for Ising Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.3918","kind":"arxiv","version":3},"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:ddc69f04e260233933f36a4beea2124b1c2d208137bdc5b10490211ee3e4d7b5","target":"record","created_at":"2026-05-18T03:07:02Z","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":"8ffab68563b1421493698202ab4a9da62cd3cdac4427baa0319bc817f58f74ce","cross_cats_sorted":["cond-mat.dis-nn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2012-08-20T05:43:41Z","title_canon_sha256":"fb090b284c12935a1d12e98f7d5de8072fecd3d3b456d86559aa7626e160a68e"},"schema_version":"1.0","source":{"id":"1208.3918","kind":"arxiv","version":3}},"canonical_sha256":"b8dcd9dbcdfdec25c7585cf99298483480dab1fed8e44f6e174e7dc97638800b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b8dcd9dbcdfdec25c7585cf99298483480dab1fed8e44f6e174e7dc97638800b","first_computed_at":"2026-05-18T03:07:02.159983Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:07:02.159983Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zs2gyjlrGyVvK31RNMVYPY/7IhSk+m+5SY5SoAdqMBBW/uCt0TwsQlcYoKs/wnHVWZI0UWjI9EdA4+Bc6kLWBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:07:02.160454Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.3918","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ddc69f04e260233933f36a4beea2124b1c2d208137bdc5b10490211ee3e4d7b5","sha256:f2b0d1eb8b264e5c32dda878c07121abf7813706865db69ba83e6fb396d7a5b8"],"state_sha256":"6cd6e6c6644a77ad98200e48cf635e3230c4b9b8a3df282abac6fb622833a56d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JIrLqXEtBi6j/gIojqlV0KhOvbCAC8JjJAocyfRNN3gWVwXXVW0l9RSAxqvhCzJfwNytFFUMoBIeqixSkGQMAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T21:54:10.554870Z","bundle_sha256":"7137674107db13c94b41ec59eaed0e449c28298992cbfd9979d0f714b62a3554"}}