{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:U37YNV2EGSFSAQRNKKBCAQZFZ4","short_pith_number":"pith:U37YNV2E","schema_version":"1.0","canonical_sha256":"a6ff86d744348b20422d5282204325cf2f52089b2cf26b73923852e6b6268f87","source":{"kind":"arxiv","id":"2303.10029","version":1},"attestation_state":"computed","paper":{"title":"Quantum advantages in timekeeping: dimensional advantage, entropic advantage and how to realise them via Berry phases and ultra-regular spontaneous emission","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Arman Pour Tak Dost, Mischa P. Woods","submitted_at":"2023-03-17T14:58:46Z","abstract_excerpt":"When an atom is in an excited state, after some amount of time, it will decay to a lower energy state emitting a photon in the process. This is known as spontaneous emission. It is one of the three elementary light-matter interactions. If it has not decayed at time $t$, then the probability that it does so in the next infinitesimal time step $[t, t+\\delta t]$, is $t$-independent. So there is no preferred time at which to decay -- in this sense it is a random process. Here we show, by carefully engineering this light-matter interaction, that we can associate it with a clock, where the matter co"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2303.10029","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-03-17T14:58:46Z","cross_cats_sorted":[],"title_canon_sha256":"925648006ec748205ab47e4ad1d8d2427b090049961d2afbbcbe185f5adc9f1e","abstract_canon_sha256":"866f56591445a68b71008b23f3a6174336a0e0a5b398773a388c2468e7a86347"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:52:13.664466Z","signature_b64":"KTCBWo8d7D2pNmkV1mEZgK3xHs5TScOlrsSq9Cu5MStmOIvgs69us7BtXoYRINw6EvK50lqVGvi6uBUfXe2GCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a6ff86d744348b20422d5282204325cf2f52089b2cf26b73923852e6b6268f87","last_reissued_at":"2026-07-05T05:52:13.663986Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:52:13.663986Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum advantages in timekeeping: dimensional advantage, entropic advantage and how to realise them via Berry phases and ultra-regular spontaneous emission","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Arman Pour Tak Dost, Mischa P. Woods","submitted_at":"2023-03-17T14:58:46Z","abstract_excerpt":"When an atom is in an excited state, after some amount of time, it will decay to a lower energy state emitting a photon in the process. This is known as spontaneous emission. It is one of the three elementary light-matter interactions. If it has not decayed at time $t$, then the probability that it does so in the next infinitesimal time step $[t, t+\\delta t]$, is $t$-independent. So there is no preferred time at which to decay -- in this sense it is a random process. Here we show, by carefully engineering this light-matter interaction, that we can associate it with a clock, where the matter co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.10029","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/2303.10029/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2303.10029","created_at":"2026-07-05T05:52:13.664041+00:00"},{"alias_kind":"arxiv_version","alias_value":"2303.10029v1","created_at":"2026-07-05T05:52:13.664041+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.10029","created_at":"2026-07-05T05:52:13.664041+00:00"},{"alias_kind":"pith_short_12","alias_value":"U37YNV2EGSFS","created_at":"2026-07-05T05:52:13.664041+00:00"},{"alias_kind":"pith_short_16","alias_value":"U37YNV2EGSFSAQRN","created_at":"2026-07-05T05:52:13.664041+00:00"},{"alias_kind":"pith_short_8","alias_value":"U37YNV2E","created_at":"2026-07-05T05:52:13.664041+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2506.10666","citing_title":"A Quantum Mechanical Pendulum Clock","ref_index":29,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/U37YNV2EGSFSAQRNKKBCAQZFZ4","json":"https://pith.science/pith/U37YNV2EGSFSAQRNKKBCAQZFZ4.json","graph_json":"https://pith.science/api/pith-number/U37YNV2EGSFSAQRNKKBCAQZFZ4/graph.json","events_json":"https://pith.science/api/pith-number/U37YNV2EGSFSAQRNKKBCAQZFZ4/events.json","paper":"https://pith.science/paper/U37YNV2E"},"agent_actions":{"view_html":"https://pith.science/pith/U37YNV2EGSFSAQRNKKBCAQZFZ4","download_json":"https://pith.science/pith/U37YNV2EGSFSAQRNKKBCAQZFZ4.json","view_paper":"https://pith.science/paper/U37YNV2E","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2303.10029&json=true","fetch_graph":"https://pith.science/api/pith-number/U37YNV2EGSFSAQRNKKBCAQZFZ4/graph.json","fetch_events":"https://pith.science/api/pith-number/U37YNV2EGSFSAQRNKKBCAQZFZ4/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/U37YNV2EGSFSAQRNKKBCAQZFZ4/action/timestamp_anchor","attest_storage":"https://pith.science/pith/U37YNV2EGSFSAQRNKKBCAQZFZ4/action/storage_attestation","attest_author":"https://pith.science/pith/U37YNV2EGSFSAQRNKKBCAQZFZ4/action/author_attestation","sign_citation":"https://pith.science/pith/U37YNV2EGSFSAQRNKKBCAQZFZ4/action/citation_signature","submit_replication":"https://pith.science/pith/U37YNV2EGSFSAQRNKKBCAQZFZ4/action/replication_record"}},"created_at":"2026-07-05T05:52:13.664041+00:00","updated_at":"2026-07-05T05:52:13.664041+00:00"}