{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:TVCRTTUMHUM3BZGS6NR4NG42LT","short_pith_number":"pith:TVCRTTUM","canonical_record":{"source":{"id":"2307.01874","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-07-04T18:34:57Z","cross_cats_sorted":[],"title_canon_sha256":"b6aca6248160c55d82b194c637c33cac2df0ab64a8752ccc5bf08e4dfc2cfa6a","abstract_canon_sha256":"edcff9c47c2b2e318150495f873fffe504ddbd31417bca9f20b0a92a48cf4736"},"schema_version":"1.0"},"canonical_sha256":"9d4519ce8c3d19b0e4d2f363c69b9a5cf4a3b417101fe6b2d59aec9ed3054d49","source":{"kind":"arxiv","id":"2307.01874","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.01874","created_at":"2026-07-05T07:54:31Z"},{"alias_kind":"arxiv_version","alias_value":"2307.01874v3","created_at":"2026-07-05T07:54:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.01874","created_at":"2026-07-05T07:54:31Z"},{"alias_kind":"pith_short_12","alias_value":"TVCRTTUMHUM3","created_at":"2026-07-05T07:54:31Z"},{"alias_kind":"pith_short_16","alias_value":"TVCRTTUMHUM3BZGS","created_at":"2026-07-05T07:54:31Z"},{"alias_kind":"pith_short_8","alias_value":"TVCRTTUM","created_at":"2026-07-05T07:54:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:TVCRTTUMHUM3BZGS6NR4NG42LT","target":"record","payload":{"canonical_record":{"source":{"id":"2307.01874","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-07-04T18:34:57Z","cross_cats_sorted":[],"title_canon_sha256":"b6aca6248160c55d82b194c637c33cac2df0ab64a8752ccc5bf08e4dfc2cfa6a","abstract_canon_sha256":"edcff9c47c2b2e318150495f873fffe504ddbd31417bca9f20b0a92a48cf4736"},"schema_version":"1.0"},"canonical_sha256":"9d4519ce8c3d19b0e4d2f363c69b9a5cf4a3b417101fe6b2d59aec9ed3054d49","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:54:31.556961Z","signature_b64":"QbXBjGV3WfAJoXrm/xbLoFW+4ALudJnTBycy+pilHwnT3J4h3/+7egOxCzfJG5PRHij8n0SA84f6xcUIccZNDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9d4519ce8c3d19b0e4d2f363c69b9a5cf4a3b417101fe6b2d59aec9ed3054d49","last_reissued_at":"2026-07-05T07:54:31.556406Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:54:31.556406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.01874","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T07:54:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rmLsU7fRoy328fwPKMpzNajcu+kcxuthLeCGkyHTBgMq7C9g+X/x4mhVLYvJbco8U8KiPIMh8zXqrIQ/Mx7kAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T23:14:53.321780Z"},"content_sha256":"7291a01357a36151c05e2d2dc72129354e9fe5eda8545813da574acf1bfdb291","schema_version":"1.0","event_id":"sha256:7291a01357a36151c05e2d2dc72129354e9fe5eda8545813da574acf1bfdb291"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:TVCRTTUMHUM3BZGS6NR4NG42LT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonrelativistic spatiotemporal quantum reference frames","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Eliahu Cohen, Ismael L. Paiva, Michael Suleymanov","submitted_at":"2023-07-04T18:34:57Z","abstract_excerpt":"Quantum reference frames have attracted renewed interest recently, as their exploration is relevant and instructive in many areas of quantum theory. Among the different types, position and time reference frames have captivated special attention. Here, we introduce and analyze a nonrelativistic framework in which each system contains an internal clock, in addition to its external (spatial) degree of freedom and, hence, can be used as a spatiotemporal quantum reference frame. We present expressions for expectation values and variances of relevant observables in different perspectives, as well as"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.01874","kind":"arxiv","version":3},"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/2307.01874/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":"2026-07-05T07:54:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tosq5qMhh87/mNDN3bn/xwKvEe7KBl44qRNR+SpZ9vjNSU/h0m1RwXu81/Pl424AbnwKhAeb2G6Yq7VMa9w4AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T23:14:53.322320Z"},"content_sha256":"823c181addb9677fd9f6f12b062c7d2ab02d6b21b1812ef4f053c8a5d1ed2f64","schema_version":"1.0","event_id":"sha256:823c181addb9677fd9f6f12b062c7d2ab02d6b21b1812ef4f053c8a5d1ed2f64"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TVCRTTUMHUM3BZGS6NR4NG42LT/bundle.json","state_url":"https://pith.science/pith/TVCRTTUMHUM3BZGS6NR4NG42LT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TVCRTTUMHUM3BZGS6NR4NG42LT/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":"2026-08-15T23:14:53Z","links":{"resolver":"https://pith.science/pith/TVCRTTUMHUM3BZGS6NR4NG42LT","bundle":"https://pith.science/pith/TVCRTTUMHUM3BZGS6NR4NG42LT/bundle.json","state":"https://pith.science/pith/TVCRTTUMHUM3BZGS6NR4NG42LT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TVCRTTUMHUM3BZGS6NR4NG42LT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:TVCRTTUMHUM3BZGS6NR4NG42LT","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":"edcff9c47c2b2e318150495f873fffe504ddbd31417bca9f20b0a92a48cf4736","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-07-04T18:34:57Z","title_canon_sha256":"b6aca6248160c55d82b194c637c33cac2df0ab64a8752ccc5bf08e4dfc2cfa6a"},"schema_version":"1.0","source":{"id":"2307.01874","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.01874","created_at":"2026-07-05T07:54:31Z"},{"alias_kind":"arxiv_version","alias_value":"2307.01874v3","created_at":"2026-07-05T07:54:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.01874","created_at":"2026-07-05T07:54:31Z"},{"alias_kind":"pith_short_12","alias_value":"TVCRTTUMHUM3","created_at":"2026-07-05T07:54:31Z"},{"alias_kind":"pith_short_16","alias_value":"TVCRTTUMHUM3BZGS","created_at":"2026-07-05T07:54:31Z"},{"alias_kind":"pith_short_8","alias_value":"TVCRTTUM","created_at":"2026-07-05T07:54:31Z"}],"graph_snapshots":[{"event_id":"sha256:823c181addb9677fd9f6f12b062c7d2ab02d6b21b1812ef4f053c8a5d1ed2f64","target":"graph","created_at":"2026-07-05T07:54:31Z","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/2307.01874/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quantum reference frames have attracted renewed interest recently, as their exploration is relevant and instructive in many areas of quantum theory. Among the different types, position and time reference frames have captivated special attention. Here, we introduce and analyze a nonrelativistic framework in which each system contains an internal clock, in addition to its external (spatial) degree of freedom and, hence, can be used as a spatiotemporal quantum reference frame. We present expressions for expectation values and variances of relevant observables in different perspectives, as well as","authors_text":"Eliahu Cohen, Ismael L. Paiva, Michael Suleymanov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-07-04T18:34:57Z","title":"Nonrelativistic spatiotemporal quantum reference frames"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.01874","kind":"arxiv","version":3},"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":"sha256:7291a01357a36151c05e2d2dc72129354e9fe5eda8545813da574acf1bfdb291","target":"record","created_at":"2026-07-05T07:54:31Z","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":"edcff9c47c2b2e318150495f873fffe504ddbd31417bca9f20b0a92a48cf4736","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2023-07-04T18:34:57Z","title_canon_sha256":"b6aca6248160c55d82b194c637c33cac2df0ab64a8752ccc5bf08e4dfc2cfa6a"},"schema_version":"1.0","source":{"id":"2307.01874","kind":"arxiv","version":3}},"canonical_sha256":"9d4519ce8c3d19b0e4d2f363c69b9a5cf4a3b417101fe6b2d59aec9ed3054d49","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9d4519ce8c3d19b0e4d2f363c69b9a5cf4a3b417101fe6b2d59aec9ed3054d49","first_computed_at":"2026-07-05T07:54:31.556406Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:54:31.556406Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QbXBjGV3WfAJoXrm/xbLoFW+4ALudJnTBycy+pilHwnT3J4h3/+7egOxCzfJG5PRHij8n0SA84f6xcUIccZNDw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:54:31.556961Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.01874","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7291a01357a36151c05e2d2dc72129354e9fe5eda8545813da574acf1bfdb291","sha256:823c181addb9677fd9f6f12b062c7d2ab02d6b21b1812ef4f053c8a5d1ed2f64"],"state_sha256":"2c84dba5258d8bfd046271d269bc69106c26c6120ff3ed15fc95a8347c95859c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N2bziBBG17Uk4mCBZWOYpeqvsaO9/VxwL5hTByIuWShBdV29oN/4gT6A3ra0RZOx+WGVYcajflh0TGPSNWmKBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T23:14:53.326804Z","bundle_sha256":"0690b759e8dbd1281eee4baffe9daee65cef24d8923543a63696bfb4fb62aafd"}}