{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:YA6B5AKA6FHUYYGUYJBMHIALZJ","short_pith_number":"pith:YA6B5AKA","canonical_record":{"source":{"id":"1508.05204","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-21T08:14:31Z","cross_cats_sorted":["cond-mat.supr-con","quant-ph"],"title_canon_sha256":"4965e75de95625879ba5b3bc0623572784b3fb34b18b5c36622df13c34629156","abstract_canon_sha256":"7cfc4db258cac979dcad7f30231b65d58c41f0fad9cc62e1134b5914d1c8ee3d"},"schema_version":"1.0"},"canonical_sha256":"c03c1e8140f14f4c60d4c242c3a00bca52dc2ea84505f7b9ec4da9acb46664e7","source":{"kind":"arxiv","id":"1508.05204","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.05204","created_at":"2026-05-18T01:34:56Z"},{"alias_kind":"arxiv_version","alias_value":"1508.05204v1","created_at":"2026-05-18T01:34:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.05204","created_at":"2026-05-18T01:34:56Z"},{"alias_kind":"pith_short_12","alias_value":"YA6B5AKA6FHU","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YA6B5AKA6FHUYYGU","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YA6B5AKA","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:YA6B5AKA6FHUYYGUYJBMHIALZJ","target":"record","payload":{"canonical_record":{"source":{"id":"1508.05204","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-21T08:14:31Z","cross_cats_sorted":["cond-mat.supr-con","quant-ph"],"title_canon_sha256":"4965e75de95625879ba5b3bc0623572784b3fb34b18b5c36622df13c34629156","abstract_canon_sha256":"7cfc4db258cac979dcad7f30231b65d58c41f0fad9cc62e1134b5914d1c8ee3d"},"schema_version":"1.0"},"canonical_sha256":"c03c1e8140f14f4c60d4c242c3a00bca52dc2ea84505f7b9ec4da9acb46664e7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:34:56.453623Z","signature_b64":"SR4SJqqKNIYeqE3guaylEzGbTHs/3JxQHmJEeZGL/xW0CGnZgkmW4op+IurOVQ0MITis3JThAtyKuVs4yhseCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c03c1e8140f14f4c60d4c242c3a00bca52dc2ea84505f7b9ec4da9acb46664e7","last_reissued_at":"2026-05-18T01:34:56.452958Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:34:56.452958Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.05204","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":"2026-05-18T01:34:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YyiTaZL055daAq1zb5MYpMko3/XpFSdow4hReeI8FWIj29x07JHD7tznQhN3XrGi549rpeX0VzgqhV4aEen5DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:14:56.039526Z"},"content_sha256":"84f695ef296c1d8ca4d9064d18e18ae21e84dbcfd2428c3527341ed0b8fcf0fa","schema_version":"1.0","event_id":"sha256:84f695ef296c1d8ca4d9064d18e18ae21e84dbcfd2428c3527341ed0b8fcf0fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:YA6B5AKA6FHUYYGUYJBMHIALZJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A 3D investigation of delocalised oxygen two-level defects in Josephson junctions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Jared H. Cole, Salvy P. Russo, Timothy C. DuBois","submitted_at":"2015-08-21T08:14:31Z","abstract_excerpt":"Environmental two-level systems (TLS) have been identified as significant decoherence sources in Josephson junction (JJ) based circuits. For such quantum devices to be functional, the removal or control of the TLS is a necessity. Understanding the microscopic origins of the 'strongly coupled' TLS type is one current path of investigation to that end. The delocalized oxygen model suggests the atomic position of an oxygen atom is spatially delocalized in the oxide forming the JJ barrier. In this report we extend this model from its previous 2+1D construction to a complete 3D description using a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.05204","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":"2026-05-18T01:34:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"td1ued6JjkWsCgaHHMTsoKDifNkmpNT9+rqqF3VrxBJfl2nBw4TVb81Z2687E/0pA0JddUgsGVgAGs8XG+PjBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:14:56.039877Z"},"content_sha256":"9535ee9bf96dbb8c8190b729a92a236ac8c446824284c5f55e9308588ae3b5df","schema_version":"1.0","event_id":"sha256:9535ee9bf96dbb8c8190b729a92a236ac8c446824284c5f55e9308588ae3b5df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YA6B5AKA6FHUYYGUYJBMHIALZJ/bundle.json","state_url":"https://pith.science/pith/YA6B5AKA6FHUYYGUYJBMHIALZJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YA6B5AKA6FHUYYGUYJBMHIALZJ/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":"2026-06-01T19:14:56Z","links":{"resolver":"https://pith.science/pith/YA6B5AKA6FHUYYGUYJBMHIALZJ","bundle":"https://pith.science/pith/YA6B5AKA6FHUYYGUYJBMHIALZJ/bundle.json","state":"https://pith.science/pith/YA6B5AKA6FHUYYGUYJBMHIALZJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YA6B5AKA6FHUYYGUYJBMHIALZJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YA6B5AKA6FHUYYGUYJBMHIALZJ","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":"7cfc4db258cac979dcad7f30231b65d58c41f0fad9cc62e1134b5914d1c8ee3d","cross_cats_sorted":["cond-mat.supr-con","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-21T08:14:31Z","title_canon_sha256":"4965e75de95625879ba5b3bc0623572784b3fb34b18b5c36622df13c34629156"},"schema_version":"1.0","source":{"id":"1508.05204","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.05204","created_at":"2026-05-18T01:34:56Z"},{"alias_kind":"arxiv_version","alias_value":"1508.05204v1","created_at":"2026-05-18T01:34:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.05204","created_at":"2026-05-18T01:34:56Z"},{"alias_kind":"pith_short_12","alias_value":"YA6B5AKA6FHU","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YA6B5AKA6FHUYYGU","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YA6B5AKA","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:9535ee9bf96dbb8c8190b729a92a236ac8c446824284c5f55e9308588ae3b5df","target":"graph","created_at":"2026-05-18T01:34:56Z","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":"Environmental two-level systems (TLS) have been identified as significant decoherence sources in Josephson junction (JJ) based circuits. For such quantum devices to be functional, the removal or control of the TLS is a necessity. Understanding the microscopic origins of the 'strongly coupled' TLS type is one current path of investigation to that end. The delocalized oxygen model suggests the atomic position of an oxygen atom is spatially delocalized in the oxide forming the JJ barrier. In this report we extend this model from its previous 2+1D construction to a complete 3D description using a ","authors_text":"Jared H. Cole, Salvy P. Russo, Timothy C. DuBois","cross_cats":["cond-mat.supr-con","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-21T08:14:31Z","title":"A 3D investigation of delocalised oxygen two-level defects in Josephson junctions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.05204","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":"sha256:84f695ef296c1d8ca4d9064d18e18ae21e84dbcfd2428c3527341ed0b8fcf0fa","target":"record","created_at":"2026-05-18T01:34:56Z","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":"7cfc4db258cac979dcad7f30231b65d58c41f0fad9cc62e1134b5914d1c8ee3d","cross_cats_sorted":["cond-mat.supr-con","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-08-21T08:14:31Z","title_canon_sha256":"4965e75de95625879ba5b3bc0623572784b3fb34b18b5c36622df13c34629156"},"schema_version":"1.0","source":{"id":"1508.05204","kind":"arxiv","version":1}},"canonical_sha256":"c03c1e8140f14f4c60d4c242c3a00bca52dc2ea84505f7b9ec4da9acb46664e7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c03c1e8140f14f4c60d4c242c3a00bca52dc2ea84505f7b9ec4da9acb46664e7","first_computed_at":"2026-05-18T01:34:56.452958Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:34:56.452958Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SR4SJqqKNIYeqE3guaylEzGbTHs/3JxQHmJEeZGL/xW0CGnZgkmW4op+IurOVQ0MITis3JThAtyKuVs4yhseCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:34:56.453623Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.05204","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:84f695ef296c1d8ca4d9064d18e18ae21e84dbcfd2428c3527341ed0b8fcf0fa","sha256:9535ee9bf96dbb8c8190b729a92a236ac8c446824284c5f55e9308588ae3b5df"],"state_sha256":"8c92afc2f713bbad3c6dad68687363617b5af719585aef3f678489800b150f50"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/PbnXojB1qV9r9EwB/8mG4nZb8HM7GhUttZ7yszJGmHGphR5uFRgNNykcdWBuC2WB4inmcRtcvjqAplcP6NFAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T19:14:56.041860Z","bundle_sha256":"95318d0bea4e7c72b68a134803b52e2ccd3a5a5a6c69f9eaa59decd492441b8c"}}