{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:HDTCXL2UL5DVPP4262QHFKVUGJ","short_pith_number":"pith:HDTCXL2U","canonical_record":{"source":{"id":"1608.00679","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-08-02T02:36:17Z","cross_cats_sorted":[],"title_canon_sha256":"ab875825592a1e9d27bc2342903707e516cb161588c05b837542c0844a27b585","abstract_canon_sha256":"45d972ee8beb7e93000faa2e58cfccd88199c7f881b0963abe3a0b53bf956ed0"},"schema_version":"1.0"},"canonical_sha256":"38e62baf545f4757bf9af6a072aab43245fbb439da1e30e5ba1df86d30161bfc","source":{"kind":"arxiv","id":"1608.00679","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.00679","created_at":"2026-05-18T00:47:58Z"},{"alias_kind":"arxiv_version","alias_value":"1608.00679v2","created_at":"2026-05-18T00:47:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.00679","created_at":"2026-05-18T00:47:58Z"},{"alias_kind":"pith_short_12","alias_value":"HDTCXL2UL5DV","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"HDTCXL2UL5DVPP42","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"HDTCXL2U","created_at":"2026-05-18T12:30:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:HDTCXL2UL5DVPP4262QHFKVUGJ","target":"record","payload":{"canonical_record":{"source":{"id":"1608.00679","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-08-02T02:36:17Z","cross_cats_sorted":[],"title_canon_sha256":"ab875825592a1e9d27bc2342903707e516cb161588c05b837542c0844a27b585","abstract_canon_sha256":"45d972ee8beb7e93000faa2e58cfccd88199c7f881b0963abe3a0b53bf956ed0"},"schema_version":"1.0"},"canonical_sha256":"38e62baf545f4757bf9af6a072aab43245fbb439da1e30e5ba1df86d30161bfc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:47:58.854228Z","signature_b64":"/7lgbEHKn1wiwITWhrZGdPJhwAUYEUsHu1Q5W0gMCjbeQxIvR4kBe6aSWkltxPoykyhgYCtSWfXHF/H8iSL/Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"38e62baf545f4757bf9af6a072aab43245fbb439da1e30e5ba1df86d30161bfc","last_reissued_at":"2026-05-18T00:47:58.853694Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:47:58.853694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.00679","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":"2026-05-18T00:47:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dp+UjU2v/Yhr8jrR6YSlyy8hpGjN49xQx8wHK+G5aZpn+AoVHhmlAhf28iMVd2Zx0Itg8sZ8s3EzRVCEiUfICw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T18:19:28.976303Z"},"content_sha256":"1fbbb02d63124e52cc96e159423719566bc2d85ba5d4d9726e34710915d449e1","schema_version":"1.0","event_id":"sha256:1fbbb02d63124e52cc96e159423719566bc2d85ba5d4d9726e34710915d449e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:HDTCXL2UL5DVPP4262QHFKVUGJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Intrinsic optimization using stochastic nanomagnets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Behtash Behin-Aein, Brian Sutton, Kerem Yunus Camsari, Supriyo Datta","submitted_at":"2016-08-02T02:36:17Z","abstract_excerpt":"This paper draws attention to a hardware system which can be engineered so that its intrinsic physics is described by the generalized Ising model and can encode the solution to many important NP-hard problems as its ground state. The basic constituents are stochastic nanomagnets which switch randomly between the $\\pm 1$ Ising states and can be monitored continuously with standard electronics. Their mutual interactions can be short or long range, and their strengths can be reconfigured as needed to solve specific problems and to anneal the system at room temperature. The natural laws of statist"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.00679","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":"2026-05-18T00:47:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/vnx9LWB1fsMQvlTm4174vo5v6Xlw0ggNAnLr9PyKqbO4Z7gcncgZ9NVIZedOWw/0PgDbOA+nEqjczTkiCIABQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T18:19:28.976997Z"},"content_sha256":"bb3ca8967d7505b7fbd1d66994873e06554358fcfbeb704486c2bda9d04b8a16","schema_version":"1.0","event_id":"sha256:bb3ca8967d7505b7fbd1d66994873e06554358fcfbeb704486c2bda9d04b8a16"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HDTCXL2UL5DVPP4262QHFKVUGJ/bundle.json","state_url":"https://pith.science/pith/HDTCXL2UL5DVPP4262QHFKVUGJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HDTCXL2UL5DVPP4262QHFKVUGJ/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":"2026-06-08T18:19:28Z","links":{"resolver":"https://pith.science/pith/HDTCXL2UL5DVPP4262QHFKVUGJ","bundle":"https://pith.science/pith/HDTCXL2UL5DVPP4262QHFKVUGJ/bundle.json","state":"https://pith.science/pith/HDTCXL2UL5DVPP4262QHFKVUGJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HDTCXL2UL5DVPP4262QHFKVUGJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:HDTCXL2UL5DVPP4262QHFKVUGJ","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":"45d972ee8beb7e93000faa2e58cfccd88199c7f881b0963abe3a0b53bf956ed0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-08-02T02:36:17Z","title_canon_sha256":"ab875825592a1e9d27bc2342903707e516cb161588c05b837542c0844a27b585"},"schema_version":"1.0","source":{"id":"1608.00679","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.00679","created_at":"2026-05-18T00:47:58Z"},{"alias_kind":"arxiv_version","alias_value":"1608.00679v2","created_at":"2026-05-18T00:47:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.00679","created_at":"2026-05-18T00:47:58Z"},{"alias_kind":"pith_short_12","alias_value":"HDTCXL2UL5DV","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"HDTCXL2UL5DVPP42","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"HDTCXL2U","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:bb3ca8967d7505b7fbd1d66994873e06554358fcfbeb704486c2bda9d04b8a16","target":"graph","created_at":"2026-05-18T00:47:58Z","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":"This paper draws attention to a hardware system which can be engineered so that its intrinsic physics is described by the generalized Ising model and can encode the solution to many important NP-hard problems as its ground state. The basic constituents are stochastic nanomagnets which switch randomly between the $\\pm 1$ Ising states and can be monitored continuously with standard electronics. Their mutual interactions can be short or long range, and their strengths can be reconfigured as needed to solve specific problems and to anneal the system at room temperature. The natural laws of statist","authors_text":"Behtash Behin-Aein, Brian Sutton, Kerem Yunus Camsari, Supriyo Datta","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-08-02T02:36:17Z","title":"Intrinsic optimization using stochastic nanomagnets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.00679","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":"sha256:1fbbb02d63124e52cc96e159423719566bc2d85ba5d4d9726e34710915d449e1","target":"record","created_at":"2026-05-18T00:47:58Z","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":"45d972ee8beb7e93000faa2e58cfccd88199c7f881b0963abe3a0b53bf956ed0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-08-02T02:36:17Z","title_canon_sha256":"ab875825592a1e9d27bc2342903707e516cb161588c05b837542c0844a27b585"},"schema_version":"1.0","source":{"id":"1608.00679","kind":"arxiv","version":2}},"canonical_sha256":"38e62baf545f4757bf9af6a072aab43245fbb439da1e30e5ba1df86d30161bfc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"38e62baf545f4757bf9af6a072aab43245fbb439da1e30e5ba1df86d30161bfc","first_computed_at":"2026-05-18T00:47:58.853694Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:47:58.853694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/7lgbEHKn1wiwITWhrZGdPJhwAUYEUsHu1Q5W0gMCjbeQxIvR4kBe6aSWkltxPoykyhgYCtSWfXHF/H8iSL/Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:47:58.854228Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.00679","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1fbbb02d63124e52cc96e159423719566bc2d85ba5d4d9726e34710915d449e1","sha256:bb3ca8967d7505b7fbd1d66994873e06554358fcfbeb704486c2bda9d04b8a16"],"state_sha256":"d05ceb1ec0e5430bf1d7b8a71b2acd0dc6ff6bb6441007361ec8d3c336f796c7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tzsn4JkPWeALGgMyiqW+ryCDIwmNpj9NjrheopEcf3NqJxhZw4NpzecBX1LJvTepCg/IT9Sd7CFjwDGskuoCAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T18:19:28.980527Z","bundle_sha256":"8de34ba8e33439bf180cd1cc9af07f655b660daf0ab652860c46d34ae59e5b41"}}