{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:U7OJUOISA6VII4ICA4YCDB7OOP","short_pith_number":"pith:U7OJUOIS","canonical_record":{"source":{"id":"1709.07815","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-09-22T15:42:12Z","cross_cats_sorted":[],"title_canon_sha256":"0ca32d8de9b7f00cff487ea1b098db1b40b48b1b16746d2c795a90c7f9c7c2a2","abstract_canon_sha256":"ca7924d36e2734a861c00e5a8e4ef66412c2358400ac7cc14352d49f2b6e1754"},"schema_version":"1.0"},"canonical_sha256":"a7dc9a391207aa84710207302187ee73da9ad2aeff3eaa3bf3b9f6070d3a5d3e","source":{"kind":"arxiv","id":"1709.07815","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.07815","created_at":"2026-05-18T00:27:27Z"},{"alias_kind":"arxiv_version","alias_value":"1709.07815v2","created_at":"2026-05-18T00:27:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.07815","created_at":"2026-05-18T00:27:27Z"},{"alias_kind":"pith_short_12","alias_value":"U7OJUOISA6VI","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"U7OJUOISA6VII4IC","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"U7OJUOIS","created_at":"2026-05-18T12:31:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:U7OJUOISA6VII4ICA4YCDB7OOP","target":"record","payload":{"canonical_record":{"source":{"id":"1709.07815","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-09-22T15:42:12Z","cross_cats_sorted":[],"title_canon_sha256":"0ca32d8de9b7f00cff487ea1b098db1b40b48b1b16746d2c795a90c7f9c7c2a2","abstract_canon_sha256":"ca7924d36e2734a861c00e5a8e4ef66412c2358400ac7cc14352d49f2b6e1754"},"schema_version":"1.0"},"canonical_sha256":"a7dc9a391207aa84710207302187ee73da9ad2aeff3eaa3bf3b9f6070d3a5d3e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:27:27.732483Z","signature_b64":"HccgA7bpIfsjDH3H/gO4rx257H8jYo05ufZpQOhiBMrKL1UQnWVSzWIxyXmpQOwEW4O7f6x0ZVblaVp1bK0aDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7dc9a391207aa84710207302187ee73da9ad2aeff3eaa3bf3b9f6070d3a5d3e","last_reissued_at":"2026-05-18T00:27:27.731820Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:27:27.731820Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.07815","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:27:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mQE7Y2GQBQFLlOOrwo7QnpAOWiZFzElMawHfp65bKa8TgGNZrvSAJipZTj2HJTrlhFfUXnqEVsqSWTu5Rzy0AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:39:18.371116Z"},"content_sha256":"cbd19c1624c643c6e908b07c1c9f80994653c105a84284d55418f83a0497c4c6","schema_version":"1.0","event_id":"sha256:cbd19c1624c643c6e908b07c1c9f80994653c105a84284d55418f83a0497c4c6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:U7OJUOISA6VII4ICA4YCDB7OOP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cooper pair tunnelling and quasiparticle poisoning in a galvanically isolated superconducting double dot","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. A. Esmail, A. J. Ferguson, N. J. Lambert","submitted_at":"2017-09-22T15:42:12Z","abstract_excerpt":"We increase the isolation of a superconducting double dot from its environment by galvanically isolating it from any electrodes. We probe it using high frequency reflectometry techniques, find 2e-periodic behaviour, and characterise the energy structure of its charge states. By modelling the response of the device, we determine the quasiparticle poisoning rate to be significantly worse than that of a unisolated double dot, and conclude that quasiparticle exchange between the dot and the leads is an important relaxation mechanism."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.07815","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:27:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IL1AqSGjXPA0T41unuVMNzTsgfJW4yoW8igFKxSmzLIKBnHjeodIOU/Z79an1+cN5ZQmb/n9aTQ66Uw0pUIkBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:39:18.371829Z"},"content_sha256":"19efc7f648e65a3dcb6eeca1d2b843a2f10bc85a2af33289ba216d1241f58657","schema_version":"1.0","event_id":"sha256:19efc7f648e65a3dcb6eeca1d2b843a2f10bc85a2af33289ba216d1241f58657"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U7OJUOISA6VII4ICA4YCDB7OOP/bundle.json","state_url":"https://pith.science/pith/U7OJUOISA6VII4ICA4YCDB7OOP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U7OJUOISA6VII4ICA4YCDB7OOP/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":"2026-05-27T17:39:18Z","links":{"resolver":"https://pith.science/pith/U7OJUOISA6VII4ICA4YCDB7OOP","bundle":"https://pith.science/pith/U7OJUOISA6VII4ICA4YCDB7OOP/bundle.json","state":"https://pith.science/pith/U7OJUOISA6VII4ICA4YCDB7OOP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U7OJUOISA6VII4ICA4YCDB7OOP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:U7OJUOISA6VII4ICA4YCDB7OOP","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":"ca7924d36e2734a861c00e5a8e4ef66412c2358400ac7cc14352d49f2b6e1754","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-09-22T15:42:12Z","title_canon_sha256":"0ca32d8de9b7f00cff487ea1b098db1b40b48b1b16746d2c795a90c7f9c7c2a2"},"schema_version":"1.0","source":{"id":"1709.07815","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.07815","created_at":"2026-05-18T00:27:27Z"},{"alias_kind":"arxiv_version","alias_value":"1709.07815v2","created_at":"2026-05-18T00:27:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.07815","created_at":"2026-05-18T00:27:27Z"},{"alias_kind":"pith_short_12","alias_value":"U7OJUOISA6VI","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_16","alias_value":"U7OJUOISA6VII4IC","created_at":"2026-05-18T12:31:46Z"},{"alias_kind":"pith_short_8","alias_value":"U7OJUOIS","created_at":"2026-05-18T12:31:46Z"}],"graph_snapshots":[{"event_id":"sha256:19efc7f648e65a3dcb6eeca1d2b843a2f10bc85a2af33289ba216d1241f58657","target":"graph","created_at":"2026-05-18T00:27:27Z","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 increase the isolation of a superconducting double dot from its environment by galvanically isolating it from any electrodes. We probe it using high frequency reflectometry techniques, find 2e-periodic behaviour, and characterise the energy structure of its charge states. By modelling the response of the device, we determine the quasiparticle poisoning rate to be significantly worse than that of a unisolated double dot, and conclude that quasiparticle exchange between the dot and the leads is an important relaxation mechanism.","authors_text":"A. A. Esmail, A. J. Ferguson, N. J. Lambert","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-09-22T15:42:12Z","title":"Cooper pair tunnelling and quasiparticle poisoning in a galvanically isolated superconducting double dot"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.07815","kind":"arxiv","version":2},"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:cbd19c1624c643c6e908b07c1c9f80994653c105a84284d55418f83a0497c4c6","target":"record","created_at":"2026-05-18T00:27:27Z","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":"ca7924d36e2734a861c00e5a8e4ef66412c2358400ac7cc14352d49f2b6e1754","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-09-22T15:42:12Z","title_canon_sha256":"0ca32d8de9b7f00cff487ea1b098db1b40b48b1b16746d2c795a90c7f9c7c2a2"},"schema_version":"1.0","source":{"id":"1709.07815","kind":"arxiv","version":2}},"canonical_sha256":"a7dc9a391207aa84710207302187ee73da9ad2aeff3eaa3bf3b9f6070d3a5d3e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7dc9a391207aa84710207302187ee73da9ad2aeff3eaa3bf3b9f6070d3a5d3e","first_computed_at":"2026-05-18T00:27:27.731820Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:27:27.731820Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HccgA7bpIfsjDH3H/gO4rx257H8jYo05ufZpQOhiBMrKL1UQnWVSzWIxyXmpQOwEW4O7f6x0ZVblaVp1bK0aDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:27:27.732483Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.07815","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cbd19c1624c643c6e908b07c1c9f80994653c105a84284d55418f83a0497c4c6","sha256:19efc7f648e65a3dcb6eeca1d2b843a2f10bc85a2af33289ba216d1241f58657"],"state_sha256":"1d9a9f6e18699163af2050354f76971af8e5f6f69581d212de51d5f2ab49d94b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QGkccF5+K0Hm17dP/g0YOQnjOShzw4FeKGOumZzAPToSf///knLx8JETi6XOIwNB7KmuCIon6HhTNPZ/Lkj9Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T17:39:18.375366Z","bundle_sha256":"923d7c8c8845cdccbea2a095f77dd51e44f5b15df419d3b15a89fa7e2ca1d905"}}