{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:6X3O7MGSAEZI2RG7JNNCYSMTJD","short_pith_number":"pith:6X3O7MGS","canonical_record":{"source":{"id":"quant-ph/0503183","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2005-03-23T01:02:28Z","cross_cats_sorted":[],"title_canon_sha256":"90f1c13889529b1604e4df25f827ec341479a161430af666db17a4ff8236c221","abstract_canon_sha256":"224f82bcf9c0c5980f5d19e4c4675869c456bc0f80ab4721cb5d5b072563dc13"},"schema_version":"1.0"},"canonical_sha256":"f5f6efb0d201328d44df4b5a2c499348fe76841c8cddb1aaf6b80a074820a32d","source":{"kind":"arxiv","id":"quant-ph/0503183","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0503183","created_at":"2026-07-04T14:49:03Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0503183v1","created_at":"2026-07-04T14:49:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0503183","created_at":"2026-07-04T14:49:03Z"},{"alias_kind":"pith_short_12","alias_value":"6X3O7MGSAEZI","created_at":"2026-07-04T14:49:03Z"},{"alias_kind":"pith_short_16","alias_value":"6X3O7MGSAEZI2RG7","created_at":"2026-07-04T14:49:03Z"},{"alias_kind":"pith_short_8","alias_value":"6X3O7MGS","created_at":"2026-07-04T14:49:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:6X3O7MGSAEZI2RG7JNNCYSMTJD","target":"record","payload":{"canonical_record":{"source":{"id":"quant-ph/0503183","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2005-03-23T01:02:28Z","cross_cats_sorted":[],"title_canon_sha256":"90f1c13889529b1604e4df25f827ec341479a161430af666db17a4ff8236c221","abstract_canon_sha256":"224f82bcf9c0c5980f5d19e4c4675869c456bc0f80ab4721cb5d5b072563dc13"},"schema_version":"1.0"},"canonical_sha256":"f5f6efb0d201328d44df4b5a2c499348fe76841c8cddb1aaf6b80a074820a32d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:49:03.764868Z","signature_b64":"BH57XPpD6GZbJnFBZ9j1v70dMsab+tei2nBgQlyTF1tEujkWowft/+Z4WHyatFEnw3bozQgPeyS5xL0fCg+jCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f5f6efb0d201328d44df4b5a2c499348fe76841c8cddb1aaf6b80a074820a32d","last_reissued_at":"2026-07-04T14:49:03.764453Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:49:03.764453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"quant-ph/0503183","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":"2026-07-04T14:49:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h9VjRIr3FAU5ChyO7eC0PyJifJDXKrCi2bu+oPke0IvO85FVsNSb37ECE4GTbAydDaFlQEhiQC5rFmVeevfUBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:29:02.160182Z"},"content_sha256":"4e331d6370285076eba063219d5d7f967018722270a76e6549c4cb42b3276c55","schema_version":"1.0","event_id":"sha256:4e331d6370285076eba063219d5d7f967018722270a76e6549c4cb42b3276c55"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:6X3O7MGSAEZI2RG7JNNCYSMTJD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entanglement of Two Impurities through Electron Scattering","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"A. T. Costa Jr, S. Bose, Y. Omar","submitted_at":"2005-03-23T01:02:28Z","abstract_excerpt":"We study how two magnetic impurities embedded in a solid can be entangled by an injected electron scattering between them and by subsequent measurement of the electron's state. We start by investigating an ideal case where only the electronic spin interacts successively through the same unitary operation with the spins of the two impurities. In this case, high (but not maximal) entanglement can be generated with a significant success probability. We then consider a more realistic description which includes both the forward and back scattering amplitudes. In this scenario, we obtain the entangl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0503183","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/quant-ph/0503183/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T14:49:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GMwTZ8rf9/36ygrcBN+u3SKGTc6Lwt0idnxToUtYqqngim3lUGhxjw8Zu6lOAsYt+lZT+ghdNNMuukFYN4TWBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:29:02.160676Z"},"content_sha256":"11c1ba9ada5f500e874872253b57d7a3e8a23bbdd6c74027b42ffada0872f51a","schema_version":"1.0","event_id":"sha256:11c1ba9ada5f500e874872253b57d7a3e8a23bbdd6c74027b42ffada0872f51a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6X3O7MGSAEZI2RG7JNNCYSMTJD/bundle.json","state_url":"https://pith.science/pith/6X3O7MGSAEZI2RG7JNNCYSMTJD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6X3O7MGSAEZI2RG7JNNCYSMTJD/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":"2026-08-03T22:29:02Z","links":{"resolver":"https://pith.science/pith/6X3O7MGSAEZI2RG7JNNCYSMTJD","bundle":"https://pith.science/pith/6X3O7MGSAEZI2RG7JNNCYSMTJD/bundle.json","state":"https://pith.science/pith/6X3O7MGSAEZI2RG7JNNCYSMTJD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6X3O7MGSAEZI2RG7JNNCYSMTJD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:6X3O7MGSAEZI2RG7JNNCYSMTJD","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":"224f82bcf9c0c5980f5d19e4c4675869c456bc0f80ab4721cb5d5b072563dc13","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2005-03-23T01:02:28Z","title_canon_sha256":"90f1c13889529b1604e4df25f827ec341479a161430af666db17a4ff8236c221"},"schema_version":"1.0","source":{"id":"quant-ph/0503183","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0503183","created_at":"2026-07-04T14:49:03Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0503183v1","created_at":"2026-07-04T14:49:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0503183","created_at":"2026-07-04T14:49:03Z"},{"alias_kind":"pith_short_12","alias_value":"6X3O7MGSAEZI","created_at":"2026-07-04T14:49:03Z"},{"alias_kind":"pith_short_16","alias_value":"6X3O7MGSAEZI2RG7","created_at":"2026-07-04T14:49:03Z"},{"alias_kind":"pith_short_8","alias_value":"6X3O7MGS","created_at":"2026-07-04T14:49:03Z"}],"graph_snapshots":[{"event_id":"sha256:11c1ba9ada5f500e874872253b57d7a3e8a23bbdd6c74027b42ffada0872f51a","target":"graph","created_at":"2026-07-04T14:49:03Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/quant-ph/0503183/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study how two magnetic impurities embedded in a solid can be entangled by an injected electron scattering between them and by subsequent measurement of the electron's state. We start by investigating an ideal case where only the electronic spin interacts successively through the same unitary operation with the spins of the two impurities. In this case, high (but not maximal) entanglement can be generated with a significant success probability. We then consider a more realistic description which includes both the forward and back scattering amplitudes. In this scenario, we obtain the entangl","authors_text":"A. T. Costa Jr, S. Bose, Y. Omar","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2005-03-23T01:02:28Z","title":"Entanglement of Two Impurities through Electron Scattering"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0503183","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":"sha256:4e331d6370285076eba063219d5d7f967018722270a76e6549c4cb42b3276c55","target":"record","created_at":"2026-07-04T14:49:03Z","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":"224f82bcf9c0c5980f5d19e4c4675869c456bc0f80ab4721cb5d5b072563dc13","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2005-03-23T01:02:28Z","title_canon_sha256":"90f1c13889529b1604e4df25f827ec341479a161430af666db17a4ff8236c221"},"schema_version":"1.0","source":{"id":"quant-ph/0503183","kind":"arxiv","version":1}},"canonical_sha256":"f5f6efb0d201328d44df4b5a2c499348fe76841c8cddb1aaf6b80a074820a32d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f5f6efb0d201328d44df4b5a2c499348fe76841c8cddb1aaf6b80a074820a32d","first_computed_at":"2026-07-04T14:49:03.764453Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:49:03.764453Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"BH57XPpD6GZbJnFBZ9j1v70dMsab+tei2nBgQlyTF1tEujkWowft/+Z4WHyatFEnw3bozQgPeyS5xL0fCg+jCQ==","signature_status":"signed_v1","signed_at":"2026-07-04T14:49:03.764868Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0503183","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4e331d6370285076eba063219d5d7f967018722270a76e6549c4cb42b3276c55","sha256:11c1ba9ada5f500e874872253b57d7a3e8a23bbdd6c74027b42ffada0872f51a"],"state_sha256":"72879dbec2560a96737eabb81271f86716a4410dd28927a8b5bd315ec68d1b0c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UXA5fPYbuvI4awdsaEvTMoBw+trrWnXb63rtGT/pJcEPfJsHwMypHNNYlegVTOAath/6IEG8nkfQd5qs7cIHDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T22:29:02.164295Z","bundle_sha256":"e4aa0c9fcd0bcce5f8ab52d08d4de869616d8990198754ef37571b280f546b49"}}