{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:JV2JRTFYSSRL3RPNOCQSXIPCXS","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":"2256ad8fedcab07882d776f3af2f2d030f8e56559560a3fb1064e798947459bf","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-04-18T13:25:06Z","title_canon_sha256":"0e3c818f7591c2b84907402f0645e681283c4e487ee0ecab5623d2047e9a02c3"},"schema_version":"1.0","source":{"id":"1404.4781","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1404.4781","created_at":"2026-05-18T01:43:28Z"},{"alias_kind":"arxiv_version","alias_value":"1404.4781v1","created_at":"2026-05-18T01:43:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1404.4781","created_at":"2026-05-18T01:43:28Z"},{"alias_kind":"pith_short_12","alias_value":"JV2JRTFYSSRL","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"JV2JRTFYSSRL3RPN","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"JV2JRTFY","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:1b6e4345ba91f3892ba33f479b4d034e7c9d87c3fd5e7af560369caa2c81a69c","target":"graph","created_at":"2026-05-18T01:43:28Z","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":"Superconducting metamaterials comprising rf SQUIDs (Superconducting QUantum Interference Devices) have been recently realized and investigated with respect to their tuneability, permeability and dynamic multistability properties. These properties are a consequence of intrinsic nonlinearities due to the sensitivity of the superconducting state to external stimuli. SQUIDs, made of a superconducting ring interrupted by a Josephson junction, possess yet another source of nonlinearity, which makes them widely tuneable with an applied dc dlux. A model SQUID metamaterial, based on electric equivalent","authors_text":"G. P. Tsironis, I. Margaris, N. Lazarides","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-04-18T13:25:06Z","title":"Wide-Band Tuneability, Nonlinear Transmission, and Dynamic Multistability in SQUID Metamaterials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1404.4781","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:aba54c240f99b4c110f925ad4c78511bc78e57766991d9188c6a4fb708ded43f","target":"record","created_at":"2026-05-18T01:43:28Z","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":"2256ad8fedcab07882d776f3af2f2d030f8e56559560a3fb1064e798947459bf","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2014-04-18T13:25:06Z","title_canon_sha256":"0e3c818f7591c2b84907402f0645e681283c4e487ee0ecab5623d2047e9a02c3"},"schema_version":"1.0","source":{"id":"1404.4781","kind":"arxiv","version":1}},"canonical_sha256":"4d7498ccb894a2bdc5ed70a12ba1e2bca7c239fa3c60e72feef853a34cfa08c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d7498ccb894a2bdc5ed70a12ba1e2bca7c239fa3c60e72feef853a34cfa08c3","first_computed_at":"2026-05-18T01:43:28.504512Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:28.504512Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Xjk8VwEYeq10amNwWseJhRk+6zWrXW2eEqNR59TfaCN5jYGJmfZEYKzh6d2M/ME2Hk9oFivlIiODs09iC+NfAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:28.505110Z","signed_message":"canonical_sha256_bytes"},"source_id":"1404.4781","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aba54c240f99b4c110f925ad4c78511bc78e57766991d9188c6a4fb708ded43f","sha256:1b6e4345ba91f3892ba33f479b4d034e7c9d87c3fd5e7af560369caa2c81a69c"],"state_sha256":"e88f00f028ea136016ed05945e02d6bfc2f6627ffc610f51ecd50398e1c65662"}