{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:N4DK5BDMOTUODG4FX3EJZQ3CJL","short_pith_number":"pith:N4DK5BDM","canonical_record":{"source":{"id":"1908.04868","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-13T21:35:10Z","cross_cats_sorted":[],"title_canon_sha256":"e8f30b0744772f2b35159ce3a382b1186ae1b4285dade87a8b93c0b867f81e6a","abstract_canon_sha256":"4477063e47be97a455cb84d768bb0541f801a00ab9fa20c3e846e9c6af79f300"},"schema_version":"1.0"},"canonical_sha256":"6f06ae846c74e8e19b85bec89cc3624aea6fe0067451939799a92b5aac95d62a","source":{"kind":"arxiv","id":"1908.04868","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04868","created_at":"2026-07-05T01:29:39Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04868v2","created_at":"2026-07-05T01:29:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04868","created_at":"2026-07-05T01:29:39Z"},{"alias_kind":"pith_short_12","alias_value":"N4DK5BDMOTUO","created_at":"2026-07-05T01:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"N4DK5BDMOTUODG4F","created_at":"2026-07-05T01:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"N4DK5BDM","created_at":"2026-07-05T01:29:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:N4DK5BDMOTUODG4FX3EJZQ3CJL","target":"record","payload":{"canonical_record":{"source":{"id":"1908.04868","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-13T21:35:10Z","cross_cats_sorted":[],"title_canon_sha256":"e8f30b0744772f2b35159ce3a382b1186ae1b4285dade87a8b93c0b867f81e6a","abstract_canon_sha256":"4477063e47be97a455cb84d768bb0541f801a00ab9fa20c3e846e9c6af79f300"},"schema_version":"1.0"},"canonical_sha256":"6f06ae846c74e8e19b85bec89cc3624aea6fe0067451939799a92b5aac95d62a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:29:39.828935Z","signature_b64":"VEGCMssd9MTXqvM9KKOmlpQlaq3d9EA1wETfc1RSxqDmCizUthkRol++QxjqeV9ISgUCVB/E3kqzSBSI89s5CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f06ae846c74e8e19b85bec89cc3624aea6fe0067451939799a92b5aac95d62a","last_reissued_at":"2026-07-05T01:29:39.828515Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:29:39.828515Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.04868","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":"2026-07-05T01:29:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ITC3Ob9mtl0Z1Zo3QVKTyU/2qcfQpXt22MD2UUWLug49sxE0i8LSSS/tkgijg/wZRjTP0V2AqxQs1hJbZtV/Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T07:14:37.975842Z"},"content_sha256":"8f60bd5c9343fbdc22799d39d134d524fc53e2679e1d5e2866b478da7136e0e9","schema_version":"1.0","event_id":"sha256:8f60bd5c9343fbdc22799d39d134d524fc53e2679e1d5e2866b478da7136e0e9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:N4DK5BDMOTUODG4FX3EJZQ3CJL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Uncertainty relation for the position of an electron in a uniform magnetic field from quantum estimation theory","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Jun Suzuki, Shin Funada","submitted_at":"2019-08-13T21:35:10Z","abstract_excerpt":"We investigate the uncertainty relation for estimating the position of one electron in a uniform magnetic field in the framework of the quantum estimation theory. Two kinds of momenta, canonical one and mechanical one, are used to generate a shift in the position of the electron. We first consider pure state models whose wave function is in the ground state with zero angular momentum. The model generated by the two-commuting canonical momenta becomes the quasi-classical model, in which the symmetric logarithmic derivative quantum Cram\\'er-Rao bound is achievable. The model generated by the two"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04868","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/1908.04868/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":"2026-07-05T01:29:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vcGWQ3Oxj42WKvSihPyaf03kA+BvrEmPXL/RrmSalIs/0AjqFb+sgYWHP6iQB6NbMZ9fmHtb17Ap2CRyo1wgCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T07:14:37.976363Z"},"content_sha256":"4b9e5462c2aee5d687ae742ea864f2ef108c5d12fa56ede85ec8d964dd4209f5","schema_version":"1.0","event_id":"sha256:4b9e5462c2aee5d687ae742ea864f2ef108c5d12fa56ede85ec8d964dd4209f5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N4DK5BDMOTUODG4FX3EJZQ3CJL/bundle.json","state_url":"https://pith.science/pith/N4DK5BDMOTUODG4FX3EJZQ3CJL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N4DK5BDMOTUODG4FX3EJZQ3CJL/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":"2026-08-16T07:14:37Z","links":{"resolver":"https://pith.science/pith/N4DK5BDMOTUODG4FX3EJZQ3CJL","bundle":"https://pith.science/pith/N4DK5BDMOTUODG4FX3EJZQ3CJL/bundle.json","state":"https://pith.science/pith/N4DK5BDMOTUODG4FX3EJZQ3CJL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N4DK5BDMOTUODG4FX3EJZQ3CJL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:N4DK5BDMOTUODG4FX3EJZQ3CJL","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":"4477063e47be97a455cb84d768bb0541f801a00ab9fa20c3e846e9c6af79f300","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-13T21:35:10Z","title_canon_sha256":"e8f30b0744772f2b35159ce3a382b1186ae1b4285dade87a8b93c0b867f81e6a"},"schema_version":"1.0","source":{"id":"1908.04868","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.04868","created_at":"2026-07-05T01:29:39Z"},{"alias_kind":"arxiv_version","alias_value":"1908.04868v2","created_at":"2026-07-05T01:29:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.04868","created_at":"2026-07-05T01:29:39Z"},{"alias_kind":"pith_short_12","alias_value":"N4DK5BDMOTUO","created_at":"2026-07-05T01:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"N4DK5BDMOTUODG4F","created_at":"2026-07-05T01:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"N4DK5BDM","created_at":"2026-07-05T01:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:4b9e5462c2aee5d687ae742ea864f2ef108c5d12fa56ede85ec8d964dd4209f5","target":"graph","created_at":"2026-07-05T01:29:39Z","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/1908.04868/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the uncertainty relation for estimating the position of one electron in a uniform magnetic field in the framework of the quantum estimation theory. Two kinds of momenta, canonical one and mechanical one, are used to generate a shift in the position of the electron. We first consider pure state models whose wave function is in the ground state with zero angular momentum. The model generated by the two-commuting canonical momenta becomes the quasi-classical model, in which the symmetric logarithmic derivative quantum Cram\\'er-Rao bound is achievable. The model generated by the two","authors_text":"Jun Suzuki, Shin Funada","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-13T21:35:10Z","title":"Uncertainty relation for the position of an electron in a uniform magnetic field from quantum estimation theory"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.04868","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":"sha256:8f60bd5c9343fbdc22799d39d134d524fc53e2679e1d5e2866b478da7136e0e9","target":"record","created_at":"2026-07-05T01:29:39Z","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":"4477063e47be97a455cb84d768bb0541f801a00ab9fa20c3e846e9c6af79f300","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-08-13T21:35:10Z","title_canon_sha256":"e8f30b0744772f2b35159ce3a382b1186ae1b4285dade87a8b93c0b867f81e6a"},"schema_version":"1.0","source":{"id":"1908.04868","kind":"arxiv","version":2}},"canonical_sha256":"6f06ae846c74e8e19b85bec89cc3624aea6fe0067451939799a92b5aac95d62a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f06ae846c74e8e19b85bec89cc3624aea6fe0067451939799a92b5aac95d62a","first_computed_at":"2026-07-05T01:29:39.828515Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:29:39.828515Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VEGCMssd9MTXqvM9KKOmlpQlaq3d9EA1wETfc1RSxqDmCizUthkRol++QxjqeV9ISgUCVB/E3kqzSBSI89s5CQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:29:39.828935Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.04868","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8f60bd5c9343fbdc22799d39d134d524fc53e2679e1d5e2866b478da7136e0e9","sha256:4b9e5462c2aee5d687ae742ea864f2ef108c5d12fa56ede85ec8d964dd4209f5"],"state_sha256":"e28f9dea94f90f3c47f02dfc9b2e297238a9db6c73938e325ee3882024992a4f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q7GGitmhk2w2pX9SD8E7ll4F513x7OwEI/IyHgYH6yj4bEgMtLNIlZdnLIwqK0bHZgEnWjJwQaxLveW8ehTjBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T07:14:37.980169Z","bundle_sha256":"c114c0ed5d6d0175f7ab80e31c161dedf6375f726202a57d65ac903113486100"}}