{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:VH7CBUKYLLIX3ULH7IGA62XOW4","short_pith_number":"pith:VH7CBUKY","canonical_record":{"source":{"id":"2407.15182","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-07-21T14:46:57Z","cross_cats_sorted":[],"title_canon_sha256":"74e9fcc80200b6ab44a087934eb8a327c46c28ad7cfebeaae8c0a86d037b0047","abstract_canon_sha256":"3e26e1b986af7edc0623a2a8a91865ec6d0ccfc211cb51ac79fc7c43f1164c4f"},"schema_version":"1.0"},"canonical_sha256":"a9fe20d1585ad17dd167fa0c0f6aeeb7189fa6273ffcc08d5b072fffd3be4e02","source":{"kind":"arxiv","id":"2407.15182","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.15182","created_at":"2026-07-05T09:46:49Z"},{"alias_kind":"arxiv_version","alias_value":"2407.15182v1","created_at":"2026-07-05T09:46:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.15182","created_at":"2026-07-05T09:46:49Z"},{"alias_kind":"pith_short_12","alias_value":"VH7CBUKYLLIX","created_at":"2026-07-05T09:46:49Z"},{"alias_kind":"pith_short_16","alias_value":"VH7CBUKYLLIX3ULH","created_at":"2026-07-05T09:46:49Z"},{"alias_kind":"pith_short_8","alias_value":"VH7CBUKY","created_at":"2026-07-05T09:46:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:VH7CBUKYLLIX3ULH7IGA62XOW4","target":"record","payload":{"canonical_record":{"source":{"id":"2407.15182","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-07-21T14:46:57Z","cross_cats_sorted":[],"title_canon_sha256":"74e9fcc80200b6ab44a087934eb8a327c46c28ad7cfebeaae8c0a86d037b0047","abstract_canon_sha256":"3e26e1b986af7edc0623a2a8a91865ec6d0ccfc211cb51ac79fc7c43f1164c4f"},"schema_version":"1.0"},"canonical_sha256":"a9fe20d1585ad17dd167fa0c0f6aeeb7189fa6273ffcc08d5b072fffd3be4e02","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:46:49.537206Z","signature_b64":"ZTg4g5CS4zVGWsTskViTHs4VsqzLt6UwE/xLhE8Er0X9fa+9gFbChR1tlm0h2YknPlpdrPRGUke9Awqb0fq+Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9fe20d1585ad17dd167fa0c0f6aeeb7189fa6273ffcc08d5b072fffd3be4e02","last_reissued_at":"2026-07-05T09:46:49.536669Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:46:49.536669Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.15182","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T09:46:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W19TQZFNyzWEVR2PiMipcbP0FnAe+ApkCtc5ie8zr+L5R19yk3+z4lMz3U+D4GDyD2AKxyOkrHhC9PaoalKaBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T00:27:41.895528Z"},"content_sha256":"01c5a7b902d62d829fc932b2a576d2677bab2f71325376e8c09f0631b4e174ce","schema_version":"1.0","event_id":"sha256:01c5a7b902d62d829fc932b2a576d2677bab2f71325376e8c09f0631b4e174ce"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:VH7CBUKYLLIX3ULH7IGA62XOW4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermometry of Trapped Ions Based on Bichromatic Driving","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Chun-Wang Wu, Ping-Xing Chen, Ting Chen, Wei Wu, Xie-Qian Li, Yi Tao, Yi Xie","submitted_at":"2024-07-21T14:46:57Z","abstract_excerpt":"Accurate thermometry of laser-cooled ions is crucial for the performance of the trapped-ions quantum computing platform. However, most existing methods face a computational exponential bottleneck. Recently, a thermometry method based on bichromatic driving was theoretically proposed by Ivan Vybornyi et al. to overcome this obstacle, which allows the computational complexity to remain constant with the increase of ion numbers. In this paper, we provide a detailed statistical analysis of this method and prove its robustness to several imperfect experimental conditions using Floquet theory. We th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.15182","kind":"arxiv","version":1},"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/2407.15182/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":"2026-07-05T09:46:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7iUjKYxBDQ4h0bK8tXJnlZ3t+zywCPqe8/4OlKMYC8Pi9+QUIFZ/lt7+Twwt9yBQ00D0JGydu+O8DJTUPtISDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T00:27:41.896058Z"},"content_sha256":"0830be0c6040a706bb2ec39a74628722c3852415c7479e12f93e12984dd6ffa3","schema_version":"1.0","event_id":"sha256:0830be0c6040a706bb2ec39a74628722c3852415c7479e12f93e12984dd6ffa3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VH7CBUKYLLIX3ULH7IGA62XOW4/bundle.json","state_url":"https://pith.science/pith/VH7CBUKYLLIX3ULH7IGA62XOW4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VH7CBUKYLLIX3ULH7IGA62XOW4/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":"2026-08-19T00:27:41Z","links":{"resolver":"https://pith.science/pith/VH7CBUKYLLIX3ULH7IGA62XOW4","bundle":"https://pith.science/pith/VH7CBUKYLLIX3ULH7IGA62XOW4/bundle.json","state":"https://pith.science/pith/VH7CBUKYLLIX3ULH7IGA62XOW4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VH7CBUKYLLIX3ULH7IGA62XOW4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:VH7CBUKYLLIX3ULH7IGA62XOW4","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":"3e26e1b986af7edc0623a2a8a91865ec6d0ccfc211cb51ac79fc7c43f1164c4f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-07-21T14:46:57Z","title_canon_sha256":"74e9fcc80200b6ab44a087934eb8a327c46c28ad7cfebeaae8c0a86d037b0047"},"schema_version":"1.0","source":{"id":"2407.15182","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.15182","created_at":"2026-07-05T09:46:49Z"},{"alias_kind":"arxiv_version","alias_value":"2407.15182v1","created_at":"2026-07-05T09:46:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.15182","created_at":"2026-07-05T09:46:49Z"},{"alias_kind":"pith_short_12","alias_value":"VH7CBUKYLLIX","created_at":"2026-07-05T09:46:49Z"},{"alias_kind":"pith_short_16","alias_value":"VH7CBUKYLLIX3ULH","created_at":"2026-07-05T09:46:49Z"},{"alias_kind":"pith_short_8","alias_value":"VH7CBUKY","created_at":"2026-07-05T09:46:49Z"}],"graph_snapshots":[{"event_id":"sha256:0830be0c6040a706bb2ec39a74628722c3852415c7479e12f93e12984dd6ffa3","target":"graph","created_at":"2026-07-05T09:46:49Z","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/2407.15182/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Accurate thermometry of laser-cooled ions is crucial for the performance of the trapped-ions quantum computing platform. However, most existing methods face a computational exponential bottleneck. Recently, a thermometry method based on bichromatic driving was theoretically proposed by Ivan Vybornyi et al. to overcome this obstacle, which allows the computational complexity to remain constant with the increase of ion numbers. In this paper, we provide a detailed statistical analysis of this method and prove its robustness to several imperfect experimental conditions using Floquet theory. We th","authors_text":"Chun-Wang Wu, Ping-Xing Chen, Ting Chen, Wei Wu, Xie-Qian Li, Yi Tao, Yi Xie","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-07-21T14:46:57Z","title":"Thermometry of Trapped Ions Based on Bichromatic Driving"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.15182","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":"sha256:01c5a7b902d62d829fc932b2a576d2677bab2f71325376e8c09f0631b4e174ce","target":"record","created_at":"2026-07-05T09:46:49Z","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":"3e26e1b986af7edc0623a2a8a91865ec6d0ccfc211cb51ac79fc7c43f1164c4f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-07-21T14:46:57Z","title_canon_sha256":"74e9fcc80200b6ab44a087934eb8a327c46c28ad7cfebeaae8c0a86d037b0047"},"schema_version":"1.0","source":{"id":"2407.15182","kind":"arxiv","version":1}},"canonical_sha256":"a9fe20d1585ad17dd167fa0c0f6aeeb7189fa6273ffcc08d5b072fffd3be4e02","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a9fe20d1585ad17dd167fa0c0f6aeeb7189fa6273ffcc08d5b072fffd3be4e02","first_computed_at":"2026-07-05T09:46:49.536669Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:46:49.536669Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZTg4g5CS4zVGWsTskViTHs4VsqzLt6UwE/xLhE8Er0X9fa+9gFbChR1tlm0h2YknPlpdrPRGUke9Awqb0fq+Cw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:46:49.537206Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.15182","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:01c5a7b902d62d829fc932b2a576d2677bab2f71325376e8c09f0631b4e174ce","sha256:0830be0c6040a706bb2ec39a74628722c3852415c7479e12f93e12984dd6ffa3"],"state_sha256":"d17237a0c3e19212a01d8f0d73a4886c3677bf96244efb053bbfcb87f8be6a5b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"16o6DWhdARTNJOxEBj8LQfrRW/6cDkRnHwl7ZTOCrRnL7r+wZrY7s7e3QckNs8zUJNKiz8NrsTnUHfKxz+QgAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T00:27:41.901549Z","bundle_sha256":"1b9852d1ff60ba5834f7694d60ef24cdfaf4ada724c0cfe58a0f63eb06a4314a"}}