{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:PQNM4HLLWTTAEFKUT6ONSF4SBS","short_pith_number":"pith:PQNM4HLL","canonical_record":{"source":{"id":"1910.07978","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-17T15:38:13Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"7d8e26f572d1caef6c4145f06d6c10d7b0ab72a3a971f38d704a5a74f0f94274","abstract_canon_sha256":"1ed8ae0ae2632533d8845399b6316efea83dc9c89414b2f72500067135e8d129"},"schema_version":"1.0"},"canonical_sha256":"7c1ace1d6bb4e60215549f9cd917920ca60aeb959b32196042299dcf7c5ef07c","source":{"kind":"arxiv","id":"1910.07978","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.07978","created_at":"2026-07-05T02:03:24Z"},{"alias_kind":"arxiv_version","alias_value":"1910.07978v3","created_at":"2026-07-05T02:03:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.07978","created_at":"2026-07-05T02:03:24Z"},{"alias_kind":"pith_short_12","alias_value":"PQNM4HLLWTTA","created_at":"2026-07-05T02:03:24Z"},{"alias_kind":"pith_short_16","alias_value":"PQNM4HLLWTTAEFKU","created_at":"2026-07-05T02:03:24Z"},{"alias_kind":"pith_short_8","alias_value":"PQNM4HLL","created_at":"2026-07-05T02:03:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:PQNM4HLLWTTAEFKUT6ONSF4SBS","target":"record","payload":{"canonical_record":{"source":{"id":"1910.07978","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-17T15:38:13Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"7d8e26f572d1caef6c4145f06d6c10d7b0ab72a3a971f38d704a5a74f0f94274","abstract_canon_sha256":"1ed8ae0ae2632533d8845399b6316efea83dc9c89414b2f72500067135e8d129"},"schema_version":"1.0"},"canonical_sha256":"7c1ace1d6bb4e60215549f9cd917920ca60aeb959b32196042299dcf7c5ef07c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:03:24.346265Z","signature_b64":"L8MOWznU88MveAGvnjF7Ja/ommC24t5IXX+jDx8UwrtH5dxwkPa35ZjNRIsAYY6+WTBA9ChYVJ2zBUDqUHyWCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c1ace1d6bb4e60215549f9cd917920ca60aeb959b32196042299dcf7c5ef07c","last_reissued_at":"2026-07-05T02:03:24.345713Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:03:24.345713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1910.07978","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:03:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AOA2SWWL7TemOQvOrk6CiXVHK4QPoUIrmuJr46ZSyrynidnuIAh4e9po2Fs0z9i9oiHtX8I2Sf+cin+T/aLxDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:27:05.734401Z"},"content_sha256":"05f654d4d0840a6dd505b581458b8483b460b5bace45cd4f81fb078b014ae684","schema_version":"1.0","event_id":"sha256:05f654d4d0840a6dd505b581458b8483b460b5bace45cd4f81fb078b014ae684"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:PQNM4HLLWTTAEFKUT6ONSF4SBS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A gate-tunable, field-compatible fluxonium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"Angela Kou, Arno Bargerbos, Chung-Kai Yang, David J. van Woerkom, Gijs de Lange, Leo P. Kouwenhoven, Marta Pita-Vidal, Nadia Haider, Peter Krogstrup, Wolfgang Pfaff","submitted_at":"2019-10-17T15:38:13Z","abstract_excerpt":"Circuit quantum electrodynamics, where photons are coherently coupled to artificial atoms built with superconducting circuits, has enabled the investigation and control of macroscopic quantum-mechanical phenomena in superconductors. Recently, hybrid circuits incorporating semiconducting nanowires and other electrostatically-gateable elements have provided new insights into mesoscopic superconductivity. Extending the capabilities of hybrid flux-based circuits to work in magnetic fields would be especially useful both as a probe of spin-polarized Andreev bound states and as a possible platform f"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.07978","kind":"arxiv","version":3},"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/1910.07978/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":"2026-07-05T02:03:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"viung+GfNs5dksnqXTz9D4EPMSv9ku/Qje/DGTq/+IZ1+OASrinroAGd2YgWtPnlQWeLrCpnq8uQQqOzCs6FAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T13:27:05.734780Z"},"content_sha256":"c2024c345054ad5c0fa17002793cb44831d60fb64309c19e251a6a045464e599","schema_version":"1.0","event_id":"sha256:c2024c345054ad5c0fa17002793cb44831d60fb64309c19e251a6a045464e599"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PQNM4HLLWTTAEFKUT6ONSF4SBS/bundle.json","state_url":"https://pith.science/pith/PQNM4HLLWTTAEFKUT6ONSF4SBS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PQNM4HLLWTTAEFKUT6ONSF4SBS/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":"2026-07-07T13:27:05Z","links":{"resolver":"https://pith.science/pith/PQNM4HLLWTTAEFKUT6ONSF4SBS","bundle":"https://pith.science/pith/PQNM4HLLWTTAEFKUT6ONSF4SBS/bundle.json","state":"https://pith.science/pith/PQNM4HLLWTTAEFKUT6ONSF4SBS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PQNM4HLLWTTAEFKUT6ONSF4SBS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:PQNM4HLLWTTAEFKUT6ONSF4SBS","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":"1ed8ae0ae2632533d8845399b6316efea83dc9c89414b2f72500067135e8d129","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-17T15:38:13Z","title_canon_sha256":"7d8e26f572d1caef6c4145f06d6c10d7b0ab72a3a971f38d704a5a74f0f94274"},"schema_version":"1.0","source":{"id":"1910.07978","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.07978","created_at":"2026-07-05T02:03:24Z"},{"alias_kind":"arxiv_version","alias_value":"1910.07978v3","created_at":"2026-07-05T02:03:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.07978","created_at":"2026-07-05T02:03:24Z"},{"alias_kind":"pith_short_12","alias_value":"PQNM4HLLWTTA","created_at":"2026-07-05T02:03:24Z"},{"alias_kind":"pith_short_16","alias_value":"PQNM4HLLWTTAEFKU","created_at":"2026-07-05T02:03:24Z"},{"alias_kind":"pith_short_8","alias_value":"PQNM4HLL","created_at":"2026-07-05T02:03:24Z"}],"graph_snapshots":[{"event_id":"sha256:c2024c345054ad5c0fa17002793cb44831d60fb64309c19e251a6a045464e599","target":"graph","created_at":"2026-07-05T02:03:24Z","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/1910.07978/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Circuit quantum electrodynamics, where photons are coherently coupled to artificial atoms built with superconducting circuits, has enabled the investigation and control of macroscopic quantum-mechanical phenomena in superconductors. Recently, hybrid circuits incorporating semiconducting nanowires and other electrostatically-gateable elements have provided new insights into mesoscopic superconductivity. Extending the capabilities of hybrid flux-based circuits to work in magnetic fields would be especially useful both as a probe of spin-polarized Andreev bound states and as a possible platform f","authors_text":"Angela Kou, Arno Bargerbos, Chung-Kai Yang, David J. van Woerkom, Gijs de Lange, Leo P. Kouwenhoven, Marta Pita-Vidal, Nadia Haider, Peter Krogstrup, Wolfgang Pfaff","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-17T15:38:13Z","title":"A gate-tunable, field-compatible fluxonium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.07978","kind":"arxiv","version":3},"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":"sha256:05f654d4d0840a6dd505b581458b8483b460b5bace45cd4f81fb078b014ae684","target":"record","created_at":"2026-07-05T02:03:24Z","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":"1ed8ae0ae2632533d8845399b6316efea83dc9c89414b2f72500067135e8d129","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2019-10-17T15:38:13Z","title_canon_sha256":"7d8e26f572d1caef6c4145f06d6c10d7b0ab72a3a971f38d704a5a74f0f94274"},"schema_version":"1.0","source":{"id":"1910.07978","kind":"arxiv","version":3}},"canonical_sha256":"7c1ace1d6bb4e60215549f9cd917920ca60aeb959b32196042299dcf7c5ef07c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c1ace1d6bb4e60215549f9cd917920ca60aeb959b32196042299dcf7c5ef07c","first_computed_at":"2026-07-05T02:03:24.345713Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:03:24.345713Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L8MOWznU88MveAGvnjF7Ja/ommC24t5IXX+jDx8UwrtH5dxwkPa35ZjNRIsAYY6+WTBA9ChYVJ2zBUDqUHyWCg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:03:24.346265Z","signed_message":"canonical_sha256_bytes"},"source_id":"1910.07978","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:05f654d4d0840a6dd505b581458b8483b460b5bace45cd4f81fb078b014ae684","sha256:c2024c345054ad5c0fa17002793cb44831d60fb64309c19e251a6a045464e599"],"state_sha256":"1a1cf7cd1407423df9854b0026d480650908412ae66dd7b238b918054e01b46e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y1RZ2aOTHtl/S+FwhNXbUMKpk0A/OMLcPmcQk3Caz4AJhw6tjzeG3TkSU9ZELMNHv+T1vRhCmG3GsHKt5sgeBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T13:27:05.736858Z","bundle_sha256":"a364dc962f663293e206a6b26863b732311b9a009e328c8fcdd8d412f7938992"}}