{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:6UC447QPIIBZKAPSOGE5ETFXMG","short_pith_number":"pith:6UC447QP","canonical_record":{"source":{"id":"1212.1142","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-05T20:04:43Z","cross_cats_sorted":[],"title_canon_sha256":"f07131fd372e02e0e75fe5ee3fe025ed7b8109d3ebf5a87c8ad05d0c92548d7c","abstract_canon_sha256":"e8d245030bd60f1348919566b615213462c088a6763cdf47fefbbd1cfa53f8bd"},"schema_version":"1.0"},"canonical_sha256":"f505ce7e0f42039501f27189d24cb7619eee529d939e3fea7ed334f9b24be1de","source":{"kind":"arxiv","id":"1212.1142","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.1142","created_at":"2026-05-18T01:52:47Z"},{"alias_kind":"arxiv_version","alias_value":"1212.1142v1","created_at":"2026-05-18T01:52:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.1142","created_at":"2026-05-18T01:52:47Z"},{"alias_kind":"pith_short_12","alias_value":"6UC447QPIIBZ","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6UC447QPIIBZKAPS","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6UC447QP","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:6UC447QPIIBZKAPSOGE5ETFXMG","target":"record","payload":{"canonical_record":{"source":{"id":"1212.1142","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-05T20:04:43Z","cross_cats_sorted":[],"title_canon_sha256":"f07131fd372e02e0e75fe5ee3fe025ed7b8109d3ebf5a87c8ad05d0c92548d7c","abstract_canon_sha256":"e8d245030bd60f1348919566b615213462c088a6763cdf47fefbbd1cfa53f8bd"},"schema_version":"1.0"},"canonical_sha256":"f505ce7e0f42039501f27189d24cb7619eee529d939e3fea7ed334f9b24be1de","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:52:47.315788Z","signature_b64":"BfE63CCXQYSmpwPg/E1h2hh1iiHj2avi0U+MnyeTuyDtltPhGNtVpMnadJBaySqbNEDIpZnPL/XAQFDwQDyTBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f505ce7e0f42039501f27189d24cb7619eee529d939e3fea7ed334f9b24be1de","last_reissued_at":"2026-05-18T01:52:47.315382Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:52:47.315382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.1142","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":"2026-05-18T01:52:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bR3XFlxLR0vtKaVwMQdcQoudgp8rMKEMe4GGPL873WVkowvzXjiSsdCcNc7JAO/RZwpOCCAVUf88q5n8pFeQBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:47:53.034188Z"},"content_sha256":"64f0f0b9d9b4254e806976ff9d01a8c5c5d574bc44f570a501017e3c977f62ad","schema_version":"1.0","event_id":"sha256:64f0f0b9d9b4254e806976ff9d01a8c5c5d574bc44f570a501017e3c977f62ad"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:6UC447QPIIBZKAPSOGE5ETFXMG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A two-atom electron pump","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"B. Roche, B. Voisin, E. Dupont-Ferrier, J. Splettstoesser, M. Sanquer, M. Vinet, R.-P. Riwar, R. Wacquez, X. Jehl","submitted_at":"2012-12-05T20:04:43Z","abstract_excerpt":"The fabrication of single atom transistors paved the way for electronics based on single dopants. Recently the spectrum of a single dopant was measured electrically by coupling two such devices. The next step towards promising functionalities for future nanoelectronics consists in manipulating a single electron over two dopants. Here we demonstrate electron pumping through two phosphorus donors in series implanted in a silicon nanowire. While quantized pumping is achieved in the low frequency adiabatic regime, we observe remarkable features at higher frequency when the charge transfer is limit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.1142","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":"2026-05-18T01:52:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j8dgxXRPDKOIyLMX1P9VPFETAkJdfVmNdnZunk50maNEFWwGbUBRtX8twAfYNcXE6unA2TWlcnoavRZHpzHLDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T15:47:53.034883Z"},"content_sha256":"608116f9f04a02284f421138488d59b3995d2c2ffa900f814a6e409aaffdd647","schema_version":"1.0","event_id":"sha256:608116f9f04a02284f421138488d59b3995d2c2ffa900f814a6e409aaffdd647"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6UC447QPIIBZKAPSOGE5ETFXMG/bundle.json","state_url":"https://pith.science/pith/6UC447QPIIBZKAPSOGE5ETFXMG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6UC447QPIIBZKAPSOGE5ETFXMG/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":"2026-05-25T15:47:53Z","links":{"resolver":"https://pith.science/pith/6UC447QPIIBZKAPSOGE5ETFXMG","bundle":"https://pith.science/pith/6UC447QPIIBZKAPSOGE5ETFXMG/bundle.json","state":"https://pith.science/pith/6UC447QPIIBZKAPSOGE5ETFXMG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6UC447QPIIBZKAPSOGE5ETFXMG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:6UC447QPIIBZKAPSOGE5ETFXMG","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":"e8d245030bd60f1348919566b615213462c088a6763cdf47fefbbd1cfa53f8bd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-05T20:04:43Z","title_canon_sha256":"f07131fd372e02e0e75fe5ee3fe025ed7b8109d3ebf5a87c8ad05d0c92548d7c"},"schema_version":"1.0","source":{"id":"1212.1142","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.1142","created_at":"2026-05-18T01:52:47Z"},{"alias_kind":"arxiv_version","alias_value":"1212.1142v1","created_at":"2026-05-18T01:52:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.1142","created_at":"2026-05-18T01:52:47Z"},{"alias_kind":"pith_short_12","alias_value":"6UC447QPIIBZ","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"6UC447QPIIBZKAPS","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"6UC447QP","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:608116f9f04a02284f421138488d59b3995d2c2ffa900f814a6e409aaffdd647","target":"graph","created_at":"2026-05-18T01:52:47Z","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":"The fabrication of single atom transistors paved the way for electronics based on single dopants. Recently the spectrum of a single dopant was measured electrically by coupling two such devices. The next step towards promising functionalities for future nanoelectronics consists in manipulating a single electron over two dopants. Here we demonstrate electron pumping through two phosphorus donors in series implanted in a silicon nanowire. While quantized pumping is achieved in the low frequency adiabatic regime, we observe remarkable features at higher frequency when the charge transfer is limit","authors_text":"B. Roche, B. Voisin, E. Dupont-Ferrier, J. Splettstoesser, M. Sanquer, M. Vinet, R.-P. Riwar, R. Wacquez, X. Jehl","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-05T20:04:43Z","title":"A two-atom electron pump"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.1142","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":"sha256:64f0f0b9d9b4254e806976ff9d01a8c5c5d574bc44f570a501017e3c977f62ad","target":"record","created_at":"2026-05-18T01:52:47Z","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":"e8d245030bd60f1348919566b615213462c088a6763cdf47fefbbd1cfa53f8bd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-12-05T20:04:43Z","title_canon_sha256":"f07131fd372e02e0e75fe5ee3fe025ed7b8109d3ebf5a87c8ad05d0c92548d7c"},"schema_version":"1.0","source":{"id":"1212.1142","kind":"arxiv","version":1}},"canonical_sha256":"f505ce7e0f42039501f27189d24cb7619eee529d939e3fea7ed334f9b24be1de","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f505ce7e0f42039501f27189d24cb7619eee529d939e3fea7ed334f9b24be1de","first_computed_at":"2026-05-18T01:52:47.315382Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:52:47.315382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BfE63CCXQYSmpwPg/E1h2hh1iiHj2avi0U+MnyeTuyDtltPhGNtVpMnadJBaySqbNEDIpZnPL/XAQFDwQDyTBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:52:47.315788Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.1142","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:64f0f0b9d9b4254e806976ff9d01a8c5c5d574bc44f570a501017e3c977f62ad","sha256:608116f9f04a02284f421138488d59b3995d2c2ffa900f814a6e409aaffdd647"],"state_sha256":"5e9b339de88de6212089b9b4461fe4f9e779e60b79603e7b219518165020341c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5SVXrIChI6yWtpIj94R41dpx6iw7DvncBrd6hN0Mb1Z7wRqz8JetS47gD0QYgDeXhMRE48mXSgqSp9Z5yFR1Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T15:47:53.038821Z","bundle_sha256":"afa61f8e09cddf0377452211020903e22257a72ba971c665830ac1f163ecace8"}}