{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:SQBFASOAH6EOLTDU5NTPURXT7K","short_pith_number":"pith:SQBFASOA","schema_version":"1.0","canonical_sha256":"94025049c03f88e5cc74eb66fa46f3faadadef4a16badc44a673160502d531e4","source":{"kind":"arxiv","id":"2008.10070","version":2},"attestation_state":"computed","paper":{"title":"Quantum Estimation in Strong Fields: in situ ponderomotive sensing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph","physics.optics"],"primary_cat":"quant-ph","authors_text":"A. Serafini, A. S. Maxwell, C. Figueira de Morisson Faria, S. Bose","submitted_at":"2020-08-23T16:41:56Z","abstract_excerpt":"We develop a new framework to optimize and understand uncertainty from in situ strong field measurements of laser field parameters. We present the first derivation of quantum and classical Fisher information for an electron undergoing strong-field ionization. This is used for parameter estimation and to characterize the uncertainty of the ponderomotive energy, directly proportional to laser intensity. In particular, the quantum and classical Fisher information for the momentum basis displays quadratic scaling over time. This can be linked to above-threshold ionization interference rings for me"},"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":"2008.10070","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2020-08-23T16:41:56Z","cross_cats_sorted":["physics.atom-ph","physics.optics"],"title_canon_sha256":"802593d02685c4bffd2ce9c73a1d3877086ac0ef8157e93d45a7f9fc2e61660a","abstract_canon_sha256":"b346ea20e64ff108218f6e7aab042370112de89112f8f20c3894ef35e35aa6ea"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:03:25.461784Z","signature_b64":"WY7ZyuE4ErE5c8Ojo+0UxEd84O1fk3qwehBUwRPgTg+m07FsHNVtgArTRfrQAbuU8mvPAAYlN19U6IuZ43gMDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"94025049c03f88e5cc74eb66fa46f3faadadef4a16badc44a673160502d531e4","last_reissued_at":"2026-07-05T03:03:25.461244Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:03:25.461244Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum Estimation in Strong Fields: in situ ponderomotive sensing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph","physics.optics"],"primary_cat":"quant-ph","authors_text":"A. Serafini, A. S. Maxwell, C. Figueira de Morisson Faria, S. Bose","submitted_at":"2020-08-23T16:41:56Z","abstract_excerpt":"We develop a new framework to optimize and understand uncertainty from in situ strong field measurements of laser field parameters. We present the first derivation of quantum and classical Fisher information for an electron undergoing strong-field ionization. This is used for parameter estimation and to characterize the uncertainty of the ponderomotive energy, directly proportional to laser intensity. In particular, the quantum and classical Fisher information for the momentum basis displays quadratic scaling over time. This can be linked to above-threshold ionization interference rings for me"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.10070","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/2008.10070/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":"2008.10070","created_at":"2026-07-05T03:03:25.461308+00:00"},{"alias_kind":"arxiv_version","alias_value":"2008.10070v2","created_at":"2026-07-05T03:03:25.461308+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.10070","created_at":"2026-07-05T03:03:25.461308+00:00"},{"alias_kind":"pith_short_12","alias_value":"SQBFASOAH6EO","created_at":"2026-07-05T03:03:25.461308+00:00"},{"alias_kind":"pith_short_16","alias_value":"SQBFASOAH6EOLTDU","created_at":"2026-07-05T03:03:25.461308+00:00"},{"alias_kind":"pith_short_8","alias_value":"SQBFASOA","created_at":"2026-07-05T03:03:25.461308+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/SQBFASOAH6EOLTDU5NTPURXT7K","json":"https://pith.science/pith/SQBFASOAH6EOLTDU5NTPURXT7K.json","graph_json":"https://pith.science/api/pith-number/SQBFASOAH6EOLTDU5NTPURXT7K/graph.json","events_json":"https://pith.science/api/pith-number/SQBFASOAH6EOLTDU5NTPURXT7K/events.json","paper":"https://pith.science/paper/SQBFASOA"},"agent_actions":{"view_html":"https://pith.science/pith/SQBFASOAH6EOLTDU5NTPURXT7K","download_json":"https://pith.science/pith/SQBFASOAH6EOLTDU5NTPURXT7K.json","view_paper":"https://pith.science/paper/SQBFASOA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2008.10070&json=true","fetch_graph":"https://pith.science/api/pith-number/SQBFASOAH6EOLTDU5NTPURXT7K/graph.json","fetch_events":"https://pith.science/api/pith-number/SQBFASOAH6EOLTDU5NTPURXT7K/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/SQBFASOAH6EOLTDU5NTPURXT7K/action/timestamp_anchor","attest_storage":"https://pith.science/pith/SQBFASOAH6EOLTDU5NTPURXT7K/action/storage_attestation","attest_author":"https://pith.science/pith/SQBFASOAH6EOLTDU5NTPURXT7K/action/author_attestation","sign_citation":"https://pith.science/pith/SQBFASOAH6EOLTDU5NTPURXT7K/action/citation_signature","submit_replication":"https://pith.science/pith/SQBFASOAH6EOLTDU5NTPURXT7K/action/replication_record"}},"created_at":"2026-07-05T03:03:25.461308+00:00","updated_at":"2026-07-05T03:03:25.461308+00:00"}