{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:C2PU7F3E7G7A4KTNSFOECM2NNN","short_pith_number":"pith:C2PU7F3E","canonical_record":{"source":{"id":"1501.05165","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-21T13:27:20Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"5d3769ad755be84d8bb2fd77a4b345b53915713e6d37e6fa04878f590eca60ee","abstract_canon_sha256":"98bfa5f3cc7e3eff071dcfd2d4cfa8b8ac23b025d4e243087691ec3407d84041"},"schema_version":"1.0"},"canonical_sha256":"169f4f9764f9be0e2a6d915c41334d6b761801ad72108d5425f914f7165fa46d","source":{"kind":"arxiv","id":"1501.05165","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.05165","created_at":"2026-05-18T02:19:35Z"},{"alias_kind":"arxiv_version","alias_value":"1501.05165v1","created_at":"2026-05-18T02:19:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.05165","created_at":"2026-05-18T02:19:35Z"},{"alias_kind":"pith_short_12","alias_value":"C2PU7F3E7G7A","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C2PU7F3E7G7A4KTN","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C2PU7F3E","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:C2PU7F3E7G7A4KTNSFOECM2NNN","target":"record","payload":{"canonical_record":{"source":{"id":"1501.05165","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-21T13:27:20Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"5d3769ad755be84d8bb2fd77a4b345b53915713e6d37e6fa04878f590eca60ee","abstract_canon_sha256":"98bfa5f3cc7e3eff071dcfd2d4cfa8b8ac23b025d4e243087691ec3407d84041"},"schema_version":"1.0"},"canonical_sha256":"169f4f9764f9be0e2a6d915c41334d6b761801ad72108d5425f914f7165fa46d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:19:35.681508Z","signature_b64":"Q39/NgAEsF2HQVXFf/8/INPei3ss2HMdZloKwW4cUQsBmdEzDbbpxRu+XQ4jqqiFwXpmOokmenyLoX0kUEapBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"169f4f9764f9be0e2a6d915c41334d6b761801ad72108d5425f914f7165fa46d","last_reissued_at":"2026-05-18T02:19:35.680865Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:19:35.680865Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.05165","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":"2026-05-18T02:19:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xcFUSca4P4QdW1wQpnMRLeu6K/1ryYCHUUZ37w/FLra7YfEY1jT6yD/WCLF151fXavJR1I89BvUUbPzdce5WBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:05:20.315984Z"},"content_sha256":"6154f09f334c783e152ca5ad1601ab42ec7f6eef573416752988a6f974c43754","schema_version":"1.0","event_id":"sha256:6154f09f334c783e152ca5ad1601ab42ec7f6eef573416752988a6f974c43754"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:C2PU7F3E7G7A4KTNSFOECM2NNN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Filtering single atoms from Rydberg blockaded mesoscopic ensembles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"David Petrosyan, D. D. Bhaktavatsala Rao, Klaus M{\\o}lmer","submitted_at":"2015-01-21T13:27:20Z","abstract_excerpt":"We propose an efficient method to filter out single atoms from trapped ensembles with unknown number of atoms. The method employs stimulated adiabatic passage to reversibly transfer a single atom to the Rydberg state which blocks subsequent Rydberg excitation of all the other atoms within the ensemble. This triggers the excitation of Rydberg blockaded atoms to short lived intermediate states and their subsequent decay to untrapped states. Using an auxiliary microwave field to carefully engineer the dissipation, we obtain a nearly deterministic single-atom source. Our method is applicable to sm"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.05165","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":"2026-05-18T02:19:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zv0/FYh6nn+z0Foecmq1iGOyR8DN26YLlD66ZGE7KDN4K2MFn4mcBtyxoIEKtdhw4hRNB/PVkpaSMocdAo4XDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:05:20.316649Z"},"content_sha256":"7d274c51a70808ddcbdf79ad02d8f5f265fdb77739e19232cc09b78e08bc9fb6","schema_version":"1.0","event_id":"sha256:7d274c51a70808ddcbdf79ad02d8f5f265fdb77739e19232cc09b78e08bc9fb6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C2PU7F3E7G7A4KTNSFOECM2NNN/bundle.json","state_url":"https://pith.science/pith/C2PU7F3E7G7A4KTNSFOECM2NNN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C2PU7F3E7G7A4KTNSFOECM2NNN/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":"2026-05-26T17:05:20Z","links":{"resolver":"https://pith.science/pith/C2PU7F3E7G7A4KTNSFOECM2NNN","bundle":"https://pith.science/pith/C2PU7F3E7G7A4KTNSFOECM2NNN/bundle.json","state":"https://pith.science/pith/C2PU7F3E7G7A4KTNSFOECM2NNN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C2PU7F3E7G7A4KTNSFOECM2NNN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:C2PU7F3E7G7A4KTNSFOECM2NNN","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":"98bfa5f3cc7e3eff071dcfd2d4cfa8b8ac23b025d4e243087691ec3407d84041","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-21T13:27:20Z","title_canon_sha256":"5d3769ad755be84d8bb2fd77a4b345b53915713e6d37e6fa04878f590eca60ee"},"schema_version":"1.0","source":{"id":"1501.05165","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.05165","created_at":"2026-05-18T02:19:35Z"},{"alias_kind":"arxiv_version","alias_value":"1501.05165v1","created_at":"2026-05-18T02:19:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.05165","created_at":"2026-05-18T02:19:35Z"},{"alias_kind":"pith_short_12","alias_value":"C2PU7F3E7G7A","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"C2PU7F3E7G7A4KTN","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"C2PU7F3E","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:7d274c51a70808ddcbdf79ad02d8f5f265fdb77739e19232cc09b78e08bc9fb6","target":"graph","created_at":"2026-05-18T02:19:35Z","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 propose an efficient method to filter out single atoms from trapped ensembles with unknown number of atoms. The method employs stimulated adiabatic passage to reversibly transfer a single atom to the Rydberg state which blocks subsequent Rydberg excitation of all the other atoms within the ensemble. This triggers the excitation of Rydberg blockaded atoms to short lived intermediate states and their subsequent decay to untrapped states. Using an auxiliary microwave field to carefully engineer the dissipation, we obtain a nearly deterministic single-atom source. Our method is applicable to sm","authors_text":"David Petrosyan, D. D. Bhaktavatsala Rao, Klaus M{\\o}lmer","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-21T13:27:20Z","title":"Filtering single atoms from Rydberg blockaded mesoscopic ensembles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.05165","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":"sha256:6154f09f334c783e152ca5ad1601ab42ec7f6eef573416752988a6f974c43754","target":"record","created_at":"2026-05-18T02:19:35Z","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":"98bfa5f3cc7e3eff071dcfd2d4cfa8b8ac23b025d4e243087691ec3407d84041","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2015-01-21T13:27:20Z","title_canon_sha256":"5d3769ad755be84d8bb2fd77a4b345b53915713e6d37e6fa04878f590eca60ee"},"schema_version":"1.0","source":{"id":"1501.05165","kind":"arxiv","version":1}},"canonical_sha256":"169f4f9764f9be0e2a6d915c41334d6b761801ad72108d5425f914f7165fa46d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"169f4f9764f9be0e2a6d915c41334d6b761801ad72108d5425f914f7165fa46d","first_computed_at":"2026-05-18T02:19:35.680865Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:19:35.680865Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q39/NgAEsF2HQVXFf/8/INPei3ss2HMdZloKwW4cUQsBmdEzDbbpxRu+XQ4jqqiFwXpmOokmenyLoX0kUEapBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:19:35.681508Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.05165","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6154f09f334c783e152ca5ad1601ab42ec7f6eef573416752988a6f974c43754","sha256:7d274c51a70808ddcbdf79ad02d8f5f265fdb77739e19232cc09b78e08bc9fb6"],"state_sha256":"8a3b64ae772d78503895e0dcc5268d48c4b36c49dde354eabeb49c9b60da0c1b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NS0Kqu5H06Vq/IfZftn32qQ1vsbAjK6UmzgfISzrJ1QLG1aftOrV6tV7iKl9v0H222oWyoZUTqx4hwKdasQpCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T17:05:20.320081Z","bundle_sha256":"fac1201faf04d2ae53c039f2e16096ecf22638d9d376cee67566b559b8d97aa6"}}