{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:DJAJZXHBX56HEGB5XAJTJLKNON","short_pith_number":"pith:DJAJZXHB","canonical_record":{"source":{"id":"quant-ph/0204047","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2002-04-09T10:07:41Z","cross_cats_sorted":[],"title_canon_sha256":"3b73d86eaf9d92931e8c2811c6ef8bc7971e0bba2e4388df5502e685e93e9574","abstract_canon_sha256":"5fc77771130fb18afafc922bf18ce2d8be507134c303a7b696afa1cf3c51c878"},"schema_version":"1.0"},"canonical_sha256":"1a409cdce1bf7c72183db81334ad4d736a865ff9e4c12919ca8a4985e2793b97","source":{"kind":"arxiv","id":"quant-ph/0204047","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0204047","created_at":"2026-05-18T00:38:14Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0204047v1","created_at":"2026-05-18T00:38:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0204047","created_at":"2026-05-18T00:38:14Z"},{"alias_kind":"pith_short_12","alias_value":"DJAJZXHBX56H","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"DJAJZXHBX56HEGB5","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"DJAJZXHB","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:DJAJZXHBX56HEGB5XAJTJLKNON","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0204047","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2002-04-09T10:07:41Z","cross_cats_sorted":[],"title_canon_sha256":"3b73d86eaf9d92931e8c2811c6ef8bc7971e0bba2e4388df5502e685e93e9574","abstract_canon_sha256":"5fc77771130fb18afafc922bf18ce2d8be507134c303a7b696afa1cf3c51c878"},"schema_version":"1.0"},"canonical_sha256":"1a409cdce1bf7c72183db81334ad4d736a865ff9e4c12919ca8a4985e2793b97","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:14.079942Z","signature_b64":"L0KrqC2qNEeQfx5ed7TPttFOnS6Ofp5XvLJyKWYZAdVP0USbl6mnh8RoGq3EJfEP+sh2pl+G8ewei8e/kN1IBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1a409cdce1bf7c72183db81334ad4d736a865ff9e4c12919ca8a4985e2793b97","last_reissued_at":"2026-05-18T00:38:14.079338Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:14.079338Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0204047","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:38:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4KO+/GjIMFZA0GTkPCjfwTIvR13mkLVwUVXTyBq4fwMx7jGont5udIoGYM32H7EqXKsebLPNOYD/h/vE0bDRDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T01:57:26.401194Z"},"content_sha256":"52c39ff6cbc095688c5c2549993a89efcdc96c6cd574e530977692f28e953857","schema_version":"1.0","event_id":"sha256:52c39ff6cbc095688c5c2549993a89efcdc96c6cd574e530977692f28e953857"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:DJAJZXHBX56HEGB5XAJTJLKNON","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Nondemolition State Measurement via Atomic Scattering in Bragg Regime","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Aeysha Khalique, Farhan Saif","submitted_at":"2002-04-09T10:07:41Z","abstract_excerpt":"We suggest a quantum nondemolition scheme to measure a quantized cavity field state using scattering of atoms in general Bragg regime. Our work extends the QND measurement of a cavity field from Fock state, based on first order Bragg deflection [9], to any quantum state based on Bragg deflection of arbitrary order. In addition a set of experimental parameters is provided to perform the experiment within the frame work of the presently available technology."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0204047","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":""},"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":"2026-05-18T00:38:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"d3COv8Ll8kA2TkEwG1LJ4n98GRQ518n4J66zTTdS8Pt2i1ms2/8E/eDdmY01UYyD5GeP+yMWW5CjmokUduTdAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T01:57:26.401559Z"},"content_sha256":"30c9066002f0863974f4e2262a859bed9f82fdd5c6de48b2b21e6d4fca9b7f39","schema_version":"1.0","event_id":"sha256:30c9066002f0863974f4e2262a859bed9f82fdd5c6de48b2b21e6d4fca9b7f39"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DJAJZXHBX56HEGB5XAJTJLKNON/bundle.json","state_url":"https://pith.science/pith/DJAJZXHBX56HEGB5XAJTJLKNON/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DJAJZXHBX56HEGB5XAJTJLKNON/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":"2026-07-03T01:57:26Z","links":{"resolver":"https://pith.science/pith/DJAJZXHBX56HEGB5XAJTJLKNON","bundle":"https://pith.science/pith/DJAJZXHBX56HEGB5XAJTJLKNON/bundle.json","state":"https://pith.science/pith/DJAJZXHBX56HEGB5XAJTJLKNON/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DJAJZXHBX56HEGB5XAJTJLKNON/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:DJAJZXHBX56HEGB5XAJTJLKNON","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":"5fc77771130fb18afafc922bf18ce2d8be507134c303a7b696afa1cf3c51c878","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2002-04-09T10:07:41Z","title_canon_sha256":"3b73d86eaf9d92931e8c2811c6ef8bc7971e0bba2e4388df5502e685e93e9574"},"schema_version":"1.0","source":{"id":"quant-ph/0204047","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0204047","created_at":"2026-05-18T00:38:14Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0204047v1","created_at":"2026-05-18T00:38:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0204047","created_at":"2026-05-18T00:38:14Z"},{"alias_kind":"pith_short_12","alias_value":"DJAJZXHBX56H","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"DJAJZXHBX56HEGB5","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"DJAJZXHB","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:30c9066002f0863974f4e2262a859bed9f82fdd5c6de48b2b21e6d4fca9b7f39","target":"graph","created_at":"2026-05-18T00:38:14Z","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"},"paper":{"abstract_excerpt":"We suggest a quantum nondemolition scheme to measure a quantized cavity field state using scattering of atoms in general Bragg regime. Our work extends the QND measurement of a cavity field from Fock state, based on first order Bragg deflection [9], to any quantum state based on Bragg deflection of arbitrary order. In addition a set of experimental parameters is provided to perform the experiment within the frame work of the presently available technology.","authors_text":"Aeysha Khalique, Farhan Saif","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2002-04-09T10:07:41Z","title":"Quantum Nondemolition State Measurement via Atomic Scattering in Bragg Regime"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0204047","kind":"arxiv","version":1},"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":"sha256:52c39ff6cbc095688c5c2549993a89efcdc96c6cd574e530977692f28e953857","target":"record","created_at":"2026-05-18T00:38:14Z","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":"5fc77771130fb18afafc922bf18ce2d8be507134c303a7b696afa1cf3c51c878","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2002-04-09T10:07:41Z","title_canon_sha256":"3b73d86eaf9d92931e8c2811c6ef8bc7971e0bba2e4388df5502e685e93e9574"},"schema_version":"1.0","source":{"id":"quant-ph/0204047","kind":"arxiv","version":1}},"canonical_sha256":"1a409cdce1bf7c72183db81334ad4d736a865ff9e4c12919ca8a4985e2793b97","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1a409cdce1bf7c72183db81334ad4d736a865ff9e4c12919ca8a4985e2793b97","first_computed_at":"2026-05-18T00:38:14.079338Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:14.079338Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L0KrqC2qNEeQfx5ed7TPttFOnS6Ofp5XvLJyKWYZAdVP0USbl6mnh8RoGq3EJfEP+sh2pl+G8ewei8e/kN1IBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:14.079942Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0204047","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:52c39ff6cbc095688c5c2549993a89efcdc96c6cd574e530977692f28e953857","sha256:30c9066002f0863974f4e2262a859bed9f82fdd5c6de48b2b21e6d4fca9b7f39"],"state_sha256":"f2a50586ae39bac02a167b148e35d071cb1dfbfa5ff3d8d7b6aebc8e7e79e36a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xJ/rDnSMWaUOPbvXe8z5IO2yrCaMVU17gjdLfwxj685BnUtHZzbEkN3+yniHNxlLeNpkKut0xeJJpd4fPmQuAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T01:57:26.403541Z","bundle_sha256":"2730c67f23def71686d06638adb3c0761132de7791d4b65eb0831a6a44b9942c"}}