{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:YAUJMRELZO5EPY6LSWJD4EJB4V","short_pith_number":"pith:YAUJMREL","schema_version":"1.0","canonical_sha256":"c02896448bcbba47e3cb95923e1121e57adc2566ae8c586d78e451adedc50dd9","source":{"kind":"arxiv","id":"1608.01777","version":2},"attestation_state":"computed","paper":{"title":"Phase Estimation of Coherent States with a Noiseless Linear Amplifier","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Mark Bradshaw, Ping Koy Lam, Syed Assad","submitted_at":"2016-08-05T06:52:20Z","abstract_excerpt":"Amplification of quantum states is inevitably accompanied with the introduction of noise at the output. For protocols that are probabilistic with heralded success, noiseless linear amplification in theory may still possible. When the protocol is successful, it can lead to an output that is a noiselessly amplified copy of the input. When the protocol is unsuccessful, the output state is degraded and is usually discarded. Probabilistic protocols may improve the performance of some quantum information protocols, but not for metrology if the whole statistics is taken into consideration. We calcula"},"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":"1608.01777","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-08-05T06:52:20Z","cross_cats_sorted":[],"title_canon_sha256":"ae8659de986bc4cc5273837f2c9145d545d4dd3328343cf6eccacb312fecf577","abstract_canon_sha256":"21f1f6c0ad462e580341fc7b415dd1d5476422f85fad2fe6c03b821ecce9744d"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:45:30.422042Z","signature_b64":"vGTiyvGNepTY+zJQ+ju43RWPbdV3ckF4OOaUUMV4g5xoRdHWsX/jA9LnOzw3FD7e5VYwt5glid+RDqjTch9bAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c02896448bcbba47e3cb95923e1121e57adc2566ae8c586d78e451adedc50dd9","last_reissued_at":"2026-05-18T00:45:30.421627Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:45:30.421627Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Phase Estimation of Coherent States with a Noiseless Linear Amplifier","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Mark Bradshaw, Ping Koy Lam, Syed Assad","submitted_at":"2016-08-05T06:52:20Z","abstract_excerpt":"Amplification of quantum states is inevitably accompanied with the introduction of noise at the output. For protocols that are probabilistic with heralded success, noiseless linear amplification in theory may still possible. When the protocol is successful, it can lead to an output that is a noiselessly amplified copy of the input. When the protocol is unsuccessful, the output state is degraded and is usually discarded. Probabilistic protocols may improve the performance of some quantum information protocols, but not for metrology if the whole statistics is taken into consideration. We calcula"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.01777","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":""},"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":"1608.01777","created_at":"2026-05-18T00:45:30.421696+00:00"},{"alias_kind":"arxiv_version","alias_value":"1608.01777v2","created_at":"2026-05-18T00:45:30.421696+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.01777","created_at":"2026-05-18T00:45:30.421696+00:00"},{"alias_kind":"pith_short_12","alias_value":"YAUJMRELZO5E","created_at":"2026-05-18T12:30:53.716459+00:00"},{"alias_kind":"pith_short_16","alias_value":"YAUJMRELZO5EPY6L","created_at":"2026-05-18T12:30:53.716459+00:00"},{"alias_kind":"pith_short_8","alias_value":"YAUJMREL","created_at":"2026-05-18T12:30:53.716459+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/YAUJMRELZO5EPY6LSWJD4EJB4V","json":"https://pith.science/pith/YAUJMRELZO5EPY6LSWJD4EJB4V.json","graph_json":"https://pith.science/api/pith-number/YAUJMRELZO5EPY6LSWJD4EJB4V/graph.json","events_json":"https://pith.science/api/pith-number/YAUJMRELZO5EPY6LSWJD4EJB4V/events.json","paper":"https://pith.science/paper/YAUJMREL"},"agent_actions":{"view_html":"https://pith.science/pith/YAUJMRELZO5EPY6LSWJD4EJB4V","download_json":"https://pith.science/pith/YAUJMRELZO5EPY6LSWJD4EJB4V.json","view_paper":"https://pith.science/paper/YAUJMREL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1608.01777&json=true","fetch_graph":"https://pith.science/api/pith-number/YAUJMRELZO5EPY6LSWJD4EJB4V/graph.json","fetch_events":"https://pith.science/api/pith-number/YAUJMRELZO5EPY6LSWJD4EJB4V/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YAUJMRELZO5EPY6LSWJD4EJB4V/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YAUJMRELZO5EPY6LSWJD4EJB4V/action/storage_attestation","attest_author":"https://pith.science/pith/YAUJMRELZO5EPY6LSWJD4EJB4V/action/author_attestation","sign_citation":"https://pith.science/pith/YAUJMRELZO5EPY6LSWJD4EJB4V/action/citation_signature","submit_replication":"https://pith.science/pith/YAUJMRELZO5EPY6LSWJD4EJB4V/action/replication_record"}},"created_at":"2026-05-18T00:45:30.421696+00:00","updated_at":"2026-05-18T00:45:30.421696+00:00"}