{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:WL2JMZXK5D45XQZAJ2FFCLO7YJ","short_pith_number":"pith:WL2JMZXK","canonical_record":{"source":{"id":"2406.12007","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-06-17T18:20:51Z","cross_cats_sorted":[],"title_canon_sha256":"ae05a7304f4165750eab98234decb3a43153d292187a2c9256b6c889fe0afa23","abstract_canon_sha256":"ce82ecd339d681ff208a0f61d2b9bb29c409c14c6cdee848dd27fd18cad0b02e"},"schema_version":"1.0"},"canonical_sha256":"b2f49666eae8f9dbc3204e8a512ddfc25dff5cabbd90910983e0a06ccc50e73b","source":{"kind":"arxiv","id":"2406.12007","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.12007","created_at":"2026-07-05T11:11:32Z"},{"alias_kind":"arxiv_version","alias_value":"2406.12007v2","created_at":"2026-07-05T11:11:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.12007","created_at":"2026-07-05T11:11:32Z"},{"alias_kind":"pith_short_12","alias_value":"WL2JMZXK5D45","created_at":"2026-07-05T11:11:32Z"},{"alias_kind":"pith_short_16","alias_value":"WL2JMZXK5D45XQZA","created_at":"2026-07-05T11:11:32Z"},{"alias_kind":"pith_short_8","alias_value":"WL2JMZXK","created_at":"2026-07-05T11:11:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:WL2JMZXK5D45XQZAJ2FFCLO7YJ","target":"record","payload":{"canonical_record":{"source":{"id":"2406.12007","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-06-17T18:20:51Z","cross_cats_sorted":[],"title_canon_sha256":"ae05a7304f4165750eab98234decb3a43153d292187a2c9256b6c889fe0afa23","abstract_canon_sha256":"ce82ecd339d681ff208a0f61d2b9bb29c409c14c6cdee848dd27fd18cad0b02e"},"schema_version":"1.0"},"canonical_sha256":"b2f49666eae8f9dbc3204e8a512ddfc25dff5cabbd90910983e0a06ccc50e73b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:11:32.851768Z","signature_b64":"gN/B4kllZDNKyhAhV5WG+jxRhIFJKfhUFEMkfgScOgcy4vyIwc90kI+ZtUYssal95hmmj9YdGBYfQVuYijNnAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b2f49666eae8f9dbc3204e8a512ddfc25dff5cabbd90910983e0a06ccc50e73b","last_reissued_at":"2026-07-05T11:11:32.851227Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:11:32.851227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2406.12007","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":"2026-07-05T11:11:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gZ/BmKaqY/j7JOXXuT82gjgtQPr/42/UHKXrwGaCxbB+EmLAKqq4u9ZfqTBgY4kyzlpneThejTh8TOY47z1hDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T21:35:10.288622Z"},"content_sha256":"f4f0d2c5e0fecec0f95d64f47b6e4b16b4fcc8909f8b89aa79e382cc1aedf1ef","schema_version":"1.0","event_id":"sha256:f4f0d2c5e0fecec0f95d64f47b6e4b16b4fcc8909f8b89aa79e382cc1aedf1ef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:WL2JMZXK5D45XQZAJ2FFCLO7YJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Supervised binary classification of small-scale digit images and weighted graphs with a trapped-ion quantum processor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Aleksey K. Fedorov, Alexander I. Gircha, Alexander S. Borisenko, Anastasiia S. Nikolaeva, Andrei E. Korolkov, Denis A. Drozhzhin, Evgeniy O. Kiktenko, Ilia V. Zalivako, Ilya A. Semerikov, Kristina P. Galstyan, Ksenia Yu. Khabarova, Mikhail A. Aksenov, Nikita V. Semenin, Nikolay N. Kolachevsky, Pavel A. Kamenskikh, Pavel L. Sidorov, Vasilii N. Smirnov","submitted_at":"2024-06-17T18:20:51Z","abstract_excerpt":"Here we present the results of benchmarking a quantum processor based on trapped $^{171}$Yb$^{+}$ ions by performing basic quantum machine learning algorithms. Using a quantum-enhanced support vector machine algorithm with up to five qubits we perform a supervised binary classification on two types of datasets: small binary digit images and weighted graphs with a ring topology. For the first dataset, images are intentionally selected so that they could be classified with 100% accuracy. This allows us to specifically examine different types of quantum encodings of the digit dataset and study th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.12007","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2406.12007/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T11:11:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zt4l8KzA/PzaCoS9iYj+mO1UOcvGC2o315KNRHMDjRneDLhcKmXTlVy0mmUzpV6VQ/S55ZTSjcWMrFI/r2GgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T21:35:10.289547Z"},"content_sha256":"15419c709ec0aaf329e0954780ff43ac322478f34b1529b039ca1b55f86fc0c0","schema_version":"1.0","event_id":"sha256:15419c709ec0aaf329e0954780ff43ac322478f34b1529b039ca1b55f86fc0c0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WL2JMZXK5D45XQZAJ2FFCLO7YJ/bundle.json","state_url":"https://pith.science/pith/WL2JMZXK5D45XQZAJ2FFCLO7YJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WL2JMZXK5D45XQZAJ2FFCLO7YJ/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":"2026-08-14T21:35:10Z","links":{"resolver":"https://pith.science/pith/WL2JMZXK5D45XQZAJ2FFCLO7YJ","bundle":"https://pith.science/pith/WL2JMZXK5D45XQZAJ2FFCLO7YJ/bundle.json","state":"https://pith.science/pith/WL2JMZXK5D45XQZAJ2FFCLO7YJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WL2JMZXK5D45XQZAJ2FFCLO7YJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:WL2JMZXK5D45XQZAJ2FFCLO7YJ","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":"ce82ecd339d681ff208a0f61d2b9bb29c409c14c6cdee848dd27fd18cad0b02e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-06-17T18:20:51Z","title_canon_sha256":"ae05a7304f4165750eab98234decb3a43153d292187a2c9256b6c889fe0afa23"},"schema_version":"1.0","source":{"id":"2406.12007","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2406.12007","created_at":"2026-07-05T11:11:32Z"},{"alias_kind":"arxiv_version","alias_value":"2406.12007v2","created_at":"2026-07-05T11:11:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2406.12007","created_at":"2026-07-05T11:11:32Z"},{"alias_kind":"pith_short_12","alias_value":"WL2JMZXK5D45","created_at":"2026-07-05T11:11:32Z"},{"alias_kind":"pith_short_16","alias_value":"WL2JMZXK5D45XQZA","created_at":"2026-07-05T11:11:32Z"},{"alias_kind":"pith_short_8","alias_value":"WL2JMZXK","created_at":"2026-07-05T11:11:32Z"}],"graph_snapshots":[{"event_id":"sha256:15419c709ec0aaf329e0954780ff43ac322478f34b1529b039ca1b55f86fc0c0","target":"graph","created_at":"2026-07-05T11:11:32Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2406.12007/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Here we present the results of benchmarking a quantum processor based on trapped $^{171}$Yb$^{+}$ ions by performing basic quantum machine learning algorithms. Using a quantum-enhanced support vector machine algorithm with up to five qubits we perform a supervised binary classification on two types of datasets: small binary digit images and weighted graphs with a ring topology. For the first dataset, images are intentionally selected so that they could be classified with 100% accuracy. This allows us to specifically examine different types of quantum encodings of the digit dataset and study th","authors_text":"Aleksey K. Fedorov, Alexander I. Gircha, Alexander S. Borisenko, Anastasiia S. Nikolaeva, Andrei E. Korolkov, Denis A. Drozhzhin, Evgeniy O. Kiktenko, Ilia V. Zalivako, Ilya A. Semerikov, Kristina P. Galstyan, Ksenia Yu. Khabarova, Mikhail A. Aksenov, Nikita V. Semenin, Nikolay N. Kolachevsky, Pavel A. Kamenskikh, Pavel L. Sidorov, Vasilii N. Smirnov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-06-17T18:20:51Z","title":"Supervised binary classification of small-scale digit images and weighted graphs with a trapped-ion quantum processor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2406.12007","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:f4f0d2c5e0fecec0f95d64f47b6e4b16b4fcc8909f8b89aa79e382cc1aedf1ef","target":"record","created_at":"2026-07-05T11:11:32Z","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":"ce82ecd339d681ff208a0f61d2b9bb29c409c14c6cdee848dd27fd18cad0b02e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-06-17T18:20:51Z","title_canon_sha256":"ae05a7304f4165750eab98234decb3a43153d292187a2c9256b6c889fe0afa23"},"schema_version":"1.0","source":{"id":"2406.12007","kind":"arxiv","version":2}},"canonical_sha256":"b2f49666eae8f9dbc3204e8a512ddfc25dff5cabbd90910983e0a06ccc50e73b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b2f49666eae8f9dbc3204e8a512ddfc25dff5cabbd90910983e0a06ccc50e73b","first_computed_at":"2026-07-05T11:11:32.851227Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:11:32.851227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gN/B4kllZDNKyhAhV5WG+jxRhIFJKfhUFEMkfgScOgcy4vyIwc90kI+ZtUYssal95hmmj9YdGBYfQVuYijNnAA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:11:32.851768Z","signed_message":"canonical_sha256_bytes"},"source_id":"2406.12007","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f4f0d2c5e0fecec0f95d64f47b6e4b16b4fcc8909f8b89aa79e382cc1aedf1ef","sha256:15419c709ec0aaf329e0954780ff43ac322478f34b1529b039ca1b55f86fc0c0"],"state_sha256":"51570d7604660b051eddb0b6b1cc77aff72341ae704365720b4d5e771a092fb4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SdQYToNZNKtQY862DkS8fn7HszpK2/G+WV4ROBDLMYVN3x7LJdXxmBNlPgLTlWRCOz/gmkQTAo5mOGZjkRZqDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T21:35:10.296188Z","bundle_sha256":"f94e9f4afc54f366c238f13eec91fbcae5466f96c94f840f1d695742c7cd758a"}}