{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:F7DZQGSXXOB6VG7XQKNXTY2T34","short_pith_number":"pith:F7DZQGSX","canonical_record":{"source":{"id":"1107.0635","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-07-04T14:23:01Z","cross_cats_sorted":[],"title_canon_sha256":"2a36976b35dee7caa0a8a0d3ccf782464bdce31f7ff7524bc97ade4cf07fca56","abstract_canon_sha256":"56b9b20aaed3254e4b24d91b45ad8748d74995a33a267e4eca49d0e8c9a0c9a5"},"schema_version":"1.0"},"canonical_sha256":"2fc7981a57bb83ea9bf7829b79e353df36b354a22b63b9069ec6fb1c6405b068","source":{"kind":"arxiv","id":"1107.0635","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.0635","created_at":"2026-05-18T04:18:53Z"},{"alias_kind":"arxiv_version","alias_value":"1107.0635v1","created_at":"2026-05-18T04:18:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.0635","created_at":"2026-05-18T04:18:53Z"},{"alias_kind":"pith_short_12","alias_value":"F7DZQGSXXOB6","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"F7DZQGSXXOB6VG7X","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"F7DZQGSX","created_at":"2026-05-18T12:26:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:F7DZQGSXXOB6VG7XQKNXTY2T34","target":"record","payload":{"canonical_record":{"source":{"id":"1107.0635","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-07-04T14:23:01Z","cross_cats_sorted":[],"title_canon_sha256":"2a36976b35dee7caa0a8a0d3ccf782464bdce31f7ff7524bc97ade4cf07fca56","abstract_canon_sha256":"56b9b20aaed3254e4b24d91b45ad8748d74995a33a267e4eca49d0e8c9a0c9a5"},"schema_version":"1.0"},"canonical_sha256":"2fc7981a57bb83ea9bf7829b79e353df36b354a22b63b9069ec6fb1c6405b068","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:18:53.674102Z","signature_b64":"/cJi1RB0h+X9PyVxDy9ujWLwyKi+0SNIGfzMRei7+v+6NKlvcltbf5xGOzj5ds8zRSYec7VOry6ykGpiFAUUDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2fc7981a57bb83ea9bf7829b79e353df36b354a22b63b9069ec6fb1c6405b068","last_reissued_at":"2026-05-18T04:18:53.673704Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:18:53.673704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1107.0635","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":"2026-05-18T04:18:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ri+6aTQ9SfrrH2hifBWocMe9ULc/UfOExXoJ90ArnkZAaHEDhgwnwYkyQJKSGDIZRk70m8tOgZ0jFkXagluKBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:42:44.766695Z"},"content_sha256":"e227390b34adc2c1054b43602bab6dca378890d96d2b2f896de6fb73d0486333","schema_version":"1.0","event_id":"sha256:e227390b34adc2c1054b43602bab6dca378890d96d2b2f896de6fb73d0486333"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:F7DZQGSXXOB6VG7XQKNXTY2T34","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fabrication of Nb/Al(AlOx)/Nb DC SQUID by focused ion beam sculpturing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"D. Yuvaraj, Eyal Buks, Gil Bachar, Oleg Shtempluck, Oren Suchoi","submitted_at":"2011-07-04T14:23:01Z","abstract_excerpt":"Highly reproducible Nb/Al(AlOx)/Nb Josephson junction based direct current superconducting quantum interference devices (DC SQUID) were fabricated by three dimensional etching using focused ion beam. Hysteretic and non-hysteretic DC SQUID with critical current ranging from 25 to 1100 microampere were fabricated by varying the Al barrier and oxygen exposure time. The fabricated DC SQUIDs have shown periodic flux dependence with high modulation factor reaching a value of 92% at 4.2 K."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.0635","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":"2026-05-18T04:18:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t3jsNHsdLD8UVbVOhyO9x8EBpmFqnsG+LChApCLgW67Vj+YrG4qUtq3iDySc4qiXfNwZAWKl5CnarNfWkqEQCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:42:44.767084Z"},"content_sha256":"6569f14357d684033318ed4ea73312e767d4987622b88cde4aafc2bd6aa5e9c5","schema_version":"1.0","event_id":"sha256:6569f14357d684033318ed4ea73312e767d4987622b88cde4aafc2bd6aa5e9c5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F7DZQGSXXOB6VG7XQKNXTY2T34/bundle.json","state_url":"https://pith.science/pith/F7DZQGSXXOB6VG7XQKNXTY2T34/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F7DZQGSXXOB6VG7XQKNXTY2T34/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":"2026-05-26T17:42:44Z","links":{"resolver":"https://pith.science/pith/F7DZQGSXXOB6VG7XQKNXTY2T34","bundle":"https://pith.science/pith/F7DZQGSXXOB6VG7XQKNXTY2T34/bundle.json","state":"https://pith.science/pith/F7DZQGSXXOB6VG7XQKNXTY2T34/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F7DZQGSXXOB6VG7XQKNXTY2T34/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:F7DZQGSXXOB6VG7XQKNXTY2T34","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":"56b9b20aaed3254e4b24d91b45ad8748d74995a33a267e4eca49d0e8c9a0c9a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-07-04T14:23:01Z","title_canon_sha256":"2a36976b35dee7caa0a8a0d3ccf782464bdce31f7ff7524bc97ade4cf07fca56"},"schema_version":"1.0","source":{"id":"1107.0635","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.0635","created_at":"2026-05-18T04:18:53Z"},{"alias_kind":"arxiv_version","alias_value":"1107.0635v1","created_at":"2026-05-18T04:18:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.0635","created_at":"2026-05-18T04:18:53Z"},{"alias_kind":"pith_short_12","alias_value":"F7DZQGSXXOB6","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"F7DZQGSXXOB6VG7X","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"F7DZQGSX","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:6569f14357d684033318ed4ea73312e767d4987622b88cde4aafc2bd6aa5e9c5","target":"graph","created_at":"2026-05-18T04:18:53Z","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":"Highly reproducible Nb/Al(AlOx)/Nb Josephson junction based direct current superconducting quantum interference devices (DC SQUID) were fabricated by three dimensional etching using focused ion beam. Hysteretic and non-hysteretic DC SQUID with critical current ranging from 25 to 1100 microampere were fabricated by varying the Al barrier and oxygen exposure time. The fabricated DC SQUIDs have shown periodic flux dependence with high modulation factor reaching a value of 92% at 4.2 K.","authors_text":"D. Yuvaraj, Eyal Buks, Gil Bachar, Oleg Shtempluck, Oren Suchoi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-07-04T14:23:01Z","title":"Fabrication of Nb/Al(AlOx)/Nb DC SQUID by focused ion beam sculpturing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.0635","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:e227390b34adc2c1054b43602bab6dca378890d96d2b2f896de6fb73d0486333","target":"record","created_at":"2026-05-18T04:18:53Z","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":"56b9b20aaed3254e4b24d91b45ad8748d74995a33a267e4eca49d0e8c9a0c9a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2011-07-04T14:23:01Z","title_canon_sha256":"2a36976b35dee7caa0a8a0d3ccf782464bdce31f7ff7524bc97ade4cf07fca56"},"schema_version":"1.0","source":{"id":"1107.0635","kind":"arxiv","version":1}},"canonical_sha256":"2fc7981a57bb83ea9bf7829b79e353df36b354a22b63b9069ec6fb1c6405b068","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2fc7981a57bb83ea9bf7829b79e353df36b354a22b63b9069ec6fb1c6405b068","first_computed_at":"2026-05-18T04:18:53.673704Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:18:53.673704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/cJi1RB0h+X9PyVxDy9ujWLwyKi+0SNIGfzMRei7+v+6NKlvcltbf5xGOzj5ds8zRSYec7VOry6ykGpiFAUUDA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:18:53.674102Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.0635","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e227390b34adc2c1054b43602bab6dca378890d96d2b2f896de6fb73d0486333","sha256:6569f14357d684033318ed4ea73312e767d4987622b88cde4aafc2bd6aa5e9c5"],"state_sha256":"00e7656fcee3691a89ce7b9dec8a1da65c617edfcfb5f14671a97eb9ea80b0f2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"psCIyVigANfmi9jdJS5dOAPnS07YNST/etwAS6N3Pstg6KCQ+cMu+ROCP1vDLG51EM9uqzf1ZC5mhdQ4lbrgDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T17:42:44.769651Z","bundle_sha256":"e3661a68211f0b1608a1f835e904eec75d3480886ba01872bc43efcbdb1ad51b"}}