{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:BR7QTPU5DJIC7BML2Y6MX7LRA7","short_pith_number":"pith:BR7QTPU5","canonical_record":{"source":{"id":"1403.3982","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-03-17T01:47:06Z","cross_cats_sorted":[],"title_canon_sha256":"478f0eaf7659e11cab9806caa535bc57b44973fa8eb30ca1447d98913fc70cba","abstract_canon_sha256":"2d6b304ede61bf58895a04294fdb91b225e5df0a7c97ad5233167127d23dab7c"},"schema_version":"1.0"},"canonical_sha256":"0c7f09be9d1a502f858bd63ccbfd7107d624066e4191c90ad846430a1e6989ea","source":{"kind":"arxiv","id":"1403.3982","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.3982","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"arxiv_version","alias_value":"1403.3982v2","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.3982","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"pith_short_12","alias_value":"BR7QTPU5DJIC","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BR7QTPU5DJIC7BML","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BR7QTPU5","created_at":"2026-05-18T12:28:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:BR7QTPU5DJIC7BML2Y6MX7LRA7","target":"record","payload":{"canonical_record":{"source":{"id":"1403.3982","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-03-17T01:47:06Z","cross_cats_sorted":[],"title_canon_sha256":"478f0eaf7659e11cab9806caa535bc57b44973fa8eb30ca1447d98913fc70cba","abstract_canon_sha256":"2d6b304ede61bf58895a04294fdb91b225e5df0a7c97ad5233167127d23dab7c"},"schema_version":"1.0"},"canonical_sha256":"0c7f09be9d1a502f858bd63ccbfd7107d624066e4191c90ad846430a1e6989ea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:31:03.947382Z","signature_b64":"Sy8snfLJKQ4IvK01L14tl4+cYDmaqvviYkDSKfJL5VPBXqVcMxu3psA8U4xiWtUu/QPLnu+skn1b7WLnzY7VAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0c7f09be9d1a502f858bd63ccbfd7107d624066e4191c90ad846430a1e6989ea","last_reissued_at":"2026-05-18T02:31:03.946742Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:31:03.946742Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.3982","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":"2026-05-18T02:31:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/zY2WFqZQj4jNlraq27SgN9LcKN5x1DqQ1rhyag/Du76oGVlMeoPF5C7iM97pgFcMJ3SwquqT16SIE4XWpMsAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:51:53.763513Z"},"content_sha256":"74464969eb8ec12fc312f33bf274f7e7bb6b51744542bed5e9b0543e12de0a75","schema_version":"1.0","event_id":"sha256:74464969eb8ec12fc312f33bf274f7e7bb6b51744542bed5e9b0543e12de0a75"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:BR7QTPU5DJIC7BML2Y6MX7LRA7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Destroying a topological quantum bit by condensing Ising vortices","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Roger Melko, Stephen Inglis, Zhihao Hao","submitted_at":"2014-03-17T01:47:06Z","abstract_excerpt":"The imminent realization of topologically-protected qubits in fabricated systems will provide not only an elementary implementation of fault-tolerant quantum computing architecture, but also an experimental vehicle for the general study of topological order. The simplest topological qubit harbors what is known as a Z$_2$ liquid phase, which encodes information via a degeneracy depending on the system's topology. Elementary excitations of the phase are fractionally charged objects called {\\it spinons}, or Ising flux vortices called {\\it visons}. At zero temperature a Z$_2$ liquid is stable unde"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.3982","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":"2026-05-18T02:31:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PSkhJSDsj5DaxAVN+PiFEy1lwv0UkaCtRQXRYqfnvGAilCLmdzAndU0AhYYpTv2aKlncMCpqVyyW0sg9S/Z0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:51:53.763848Z"},"content_sha256":"1bf87a2cccebefe2b3c7a3fbd3e76402f7f78a9cd0ee7fce943dfdedf55063d3","schema_version":"1.0","event_id":"sha256:1bf87a2cccebefe2b3c7a3fbd3e76402f7f78a9cd0ee7fce943dfdedf55063d3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BR7QTPU5DJIC7BML2Y6MX7LRA7/bundle.json","state_url":"https://pith.science/pith/BR7QTPU5DJIC7BML2Y6MX7LRA7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BR7QTPU5DJIC7BML2Y6MX7LRA7/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":"2026-06-02T15:51:53Z","links":{"resolver":"https://pith.science/pith/BR7QTPU5DJIC7BML2Y6MX7LRA7","bundle":"https://pith.science/pith/BR7QTPU5DJIC7BML2Y6MX7LRA7/bundle.json","state":"https://pith.science/pith/BR7QTPU5DJIC7BML2Y6MX7LRA7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BR7QTPU5DJIC7BML2Y6MX7LRA7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:BR7QTPU5DJIC7BML2Y6MX7LRA7","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":"2d6b304ede61bf58895a04294fdb91b225e5df0a7c97ad5233167127d23dab7c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-03-17T01:47:06Z","title_canon_sha256":"478f0eaf7659e11cab9806caa535bc57b44973fa8eb30ca1447d98913fc70cba"},"schema_version":"1.0","source":{"id":"1403.3982","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.3982","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"arxiv_version","alias_value":"1403.3982v2","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.3982","created_at":"2026-05-18T02:31:03Z"},{"alias_kind":"pith_short_12","alias_value":"BR7QTPU5DJIC","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_16","alias_value":"BR7QTPU5DJIC7BML","created_at":"2026-05-18T12:28:22Z"},{"alias_kind":"pith_short_8","alias_value":"BR7QTPU5","created_at":"2026-05-18T12:28:22Z"}],"graph_snapshots":[{"event_id":"sha256:1bf87a2cccebefe2b3c7a3fbd3e76402f7f78a9cd0ee7fce943dfdedf55063d3","target":"graph","created_at":"2026-05-18T02:31:03Z","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":"The imminent realization of topologically-protected qubits in fabricated systems will provide not only an elementary implementation of fault-tolerant quantum computing architecture, but also an experimental vehicle for the general study of topological order. The simplest topological qubit harbors what is known as a Z$_2$ liquid phase, which encodes information via a degeneracy depending on the system's topology. Elementary excitations of the phase are fractionally charged objects called {\\it spinons}, or Ising flux vortices called {\\it visons}. At zero temperature a Z$_2$ liquid is stable unde","authors_text":"Roger Melko, Stephen Inglis, Zhihao Hao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-03-17T01:47:06Z","title":"Destroying a topological quantum bit by condensing Ising vortices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.3982","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":"sha256:74464969eb8ec12fc312f33bf274f7e7bb6b51744542bed5e9b0543e12de0a75","target":"record","created_at":"2026-05-18T02:31:03Z","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":"2d6b304ede61bf58895a04294fdb91b225e5df0a7c97ad5233167127d23dab7c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-03-17T01:47:06Z","title_canon_sha256":"478f0eaf7659e11cab9806caa535bc57b44973fa8eb30ca1447d98913fc70cba"},"schema_version":"1.0","source":{"id":"1403.3982","kind":"arxiv","version":2}},"canonical_sha256":"0c7f09be9d1a502f858bd63ccbfd7107d624066e4191c90ad846430a1e6989ea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0c7f09be9d1a502f858bd63ccbfd7107d624066e4191c90ad846430a1e6989ea","first_computed_at":"2026-05-18T02:31:03.946742Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:31:03.946742Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Sy8snfLJKQ4IvK01L14tl4+cYDmaqvviYkDSKfJL5VPBXqVcMxu3psA8U4xiWtUu/QPLnu+skn1b7WLnzY7VAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:31:03.947382Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.3982","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:74464969eb8ec12fc312f33bf274f7e7bb6b51744542bed5e9b0543e12de0a75","sha256:1bf87a2cccebefe2b3c7a3fbd3e76402f7f78a9cd0ee7fce943dfdedf55063d3"],"state_sha256":"3f8abc141eff4f7d458d634ba0d019e73132360e4d6f0966a7ac35fb7e28ced3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5CjfiGeYciyXuCGtYDUc9lxGisRAtZXRPY/UM7zVUXxLodzMc3FO82hLUOal3Sx8yXssGSM+lYu8nY7yjSoTCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T15:51:53.765733Z","bundle_sha256":"9799d24ce19f2bbf57c110a6ff7a4fd25e436743dcfc6f62d33ac1e037f1e0d2"}}