{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:N4RGUZR6MNBFJKP24R624PH6HN","short_pith_number":"pith:N4RGUZR6","canonical_record":{"source":{"id":"1512.07235","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-22T20:34:42Z","cross_cats_sorted":[],"title_canon_sha256":"bc29b486527b94dcc3f5574d7e61f6d3ab28b3994a270c882cd386279db11ce1","abstract_canon_sha256":"c6f3598d04b124618a743969d47f5445438aa1992e01aa726545ce360b2b49eb"},"schema_version":"1.0"},"canonical_sha256":"6f226a663e634254a9fae47dae3cfe3b44f4857855864cfcd540404f5183789f","source":{"kind":"arxiv","id":"1512.07235","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07235","created_at":"2026-05-18T01:10:45Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07235v2","created_at":"2026-05-18T01:10:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07235","created_at":"2026-05-18T01:10:45Z"},{"alias_kind":"pith_short_12","alias_value":"N4RGUZR6MNBF","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"N4RGUZR6MNBFJKP2","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"N4RGUZR6","created_at":"2026-05-18T12:29:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:N4RGUZR6MNBFJKP24R624PH6HN","target":"record","payload":{"canonical_record":{"source":{"id":"1512.07235","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-22T20:34:42Z","cross_cats_sorted":[],"title_canon_sha256":"bc29b486527b94dcc3f5574d7e61f6d3ab28b3994a270c882cd386279db11ce1","abstract_canon_sha256":"c6f3598d04b124618a743969d47f5445438aa1992e01aa726545ce360b2b49eb"},"schema_version":"1.0"},"canonical_sha256":"6f226a663e634254a9fae47dae3cfe3b44f4857855864cfcd540404f5183789f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:45.757927Z","signature_b64":"TgjupfEgBM9zAsuH4Apj/1F6XAw3slgICyRcAYibrk4amG83NFJVkUqhSPWSeLfEzmozD8UDvKH14UqZpLSzBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f226a663e634254a9fae47dae3cfe3b44f4857855864cfcd540404f5183789f","last_reissued_at":"2026-05-18T01:10:45.757369Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:45.757369Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.07235","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":"2026-05-18T01:10:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vF1ePJCV+ST7Gq9RR5M2F1t6mAS/qnIPF37WQ0dFctm7Qs4KCaWWXEZRA4fesh3HeWtI9XYLp4ZT6WWtU/2oCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:18:39.035677Z"},"content_sha256":"12eebbaea0fd7e53c52c54dbedf4ac29be2526ccd07c7a7cb7c146fb1ac461de","schema_version":"1.0","event_id":"sha256:12eebbaea0fd7e53c52c54dbedf4ac29be2526ccd07c7a7cb7c146fb1ac461de"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:N4RGUZR6MNBFJKP24R624PH6HN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detection of zeptojoule microwave pulses using electrothermal feedback in proximity-induced Josephson junctions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"J. Govenius, K. Y. Tan, M. M\\\"ott\\\"onen, R. E. Lake","submitted_at":"2015-12-22T20:34:42Z","abstract_excerpt":"We experimentally investigate and utilize electrothermal feedback in a microwave nanobolometer based on a normal-metal ($\\mbox{Au}_{x}\\mbox{Pd}_{1-x}$) nanowire with proximity-induced superconductivity. The feedback couples the temperature and the electrical degrees of freedom in the nanowire, which both absorbs the incoming microwave radiation, and transduces the temperature change into a radio-frequency electrical signal. We tune the feedback in situ and access both positive and negative feedback regimes with rich nonlinear dynamics. In particular, strong positive feedback leads to the emerg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07235","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":"2026-05-18T01:10:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a5GXegjDlW4fI/EV3L7bolR5UyeKDCtVpJerbc8kt0rn8lRTT8GmOq9+YmgLt3WTw9lidsKf5XnTzSgqwJQhAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T22:18:39.036354Z"},"content_sha256":"b8d0c5f180053b1b11fc0a17e12cfadff56589157ab53a174db8dba1f7320900","schema_version":"1.0","event_id":"sha256:b8d0c5f180053b1b11fc0a17e12cfadff56589157ab53a174db8dba1f7320900"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N4RGUZR6MNBFJKP24R624PH6HN/bundle.json","state_url":"https://pith.science/pith/N4RGUZR6MNBFJKP24R624PH6HN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N4RGUZR6MNBFJKP24R624PH6HN/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":"2026-05-26T22:18:39Z","links":{"resolver":"https://pith.science/pith/N4RGUZR6MNBFJKP24R624PH6HN","bundle":"https://pith.science/pith/N4RGUZR6MNBFJKP24R624PH6HN/bundle.json","state":"https://pith.science/pith/N4RGUZR6MNBFJKP24R624PH6HN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N4RGUZR6MNBFJKP24R624PH6HN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:N4RGUZR6MNBFJKP24R624PH6HN","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":"c6f3598d04b124618a743969d47f5445438aa1992e01aa726545ce360b2b49eb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-22T20:34:42Z","title_canon_sha256":"bc29b486527b94dcc3f5574d7e61f6d3ab28b3994a270c882cd386279db11ce1"},"schema_version":"1.0","source":{"id":"1512.07235","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07235","created_at":"2026-05-18T01:10:45Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07235v2","created_at":"2026-05-18T01:10:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07235","created_at":"2026-05-18T01:10:45Z"},{"alias_kind":"pith_short_12","alias_value":"N4RGUZR6MNBF","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_16","alias_value":"N4RGUZR6MNBFJKP2","created_at":"2026-05-18T12:29:32Z"},{"alias_kind":"pith_short_8","alias_value":"N4RGUZR6","created_at":"2026-05-18T12:29:32Z"}],"graph_snapshots":[{"event_id":"sha256:b8d0c5f180053b1b11fc0a17e12cfadff56589157ab53a174db8dba1f7320900","target":"graph","created_at":"2026-05-18T01:10:45Z","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 experimentally investigate and utilize electrothermal feedback in a microwave nanobolometer based on a normal-metal ($\\mbox{Au}_{x}\\mbox{Pd}_{1-x}$) nanowire with proximity-induced superconductivity. The feedback couples the temperature and the electrical degrees of freedom in the nanowire, which both absorbs the incoming microwave radiation, and transduces the temperature change into a radio-frequency electrical signal. We tune the feedback in situ and access both positive and negative feedback regimes with rich nonlinear dynamics. In particular, strong positive feedback leads to the emerg","authors_text":"J. Govenius, K. Y. Tan, M. M\\\"ott\\\"onen, R. E. Lake","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-22T20:34:42Z","title":"Detection of zeptojoule microwave pulses using electrothermal feedback in proximity-induced Josephson junctions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07235","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":"sha256:12eebbaea0fd7e53c52c54dbedf4ac29be2526ccd07c7a7cb7c146fb1ac461de","target":"record","created_at":"2026-05-18T01:10:45Z","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":"c6f3598d04b124618a743969d47f5445438aa1992e01aa726545ce360b2b49eb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-22T20:34:42Z","title_canon_sha256":"bc29b486527b94dcc3f5574d7e61f6d3ab28b3994a270c882cd386279db11ce1"},"schema_version":"1.0","source":{"id":"1512.07235","kind":"arxiv","version":2}},"canonical_sha256":"6f226a663e634254a9fae47dae3cfe3b44f4857855864cfcd540404f5183789f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f226a663e634254a9fae47dae3cfe3b44f4857855864cfcd540404f5183789f","first_computed_at":"2026-05-18T01:10:45.757369Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:45.757369Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TgjupfEgBM9zAsuH4Apj/1F6XAw3slgICyRcAYibrk4amG83NFJVkUqhSPWSeLfEzmozD8UDvKH14UqZpLSzBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:45.757927Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.07235","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12eebbaea0fd7e53c52c54dbedf4ac29be2526ccd07c7a7cb7c146fb1ac461de","sha256:b8d0c5f180053b1b11fc0a17e12cfadff56589157ab53a174db8dba1f7320900"],"state_sha256":"a040489d0faeec6002454efe6f0b80488d96dd97a35a0a7d1e67429d95d8ecbf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6gqtlFfMpCteBc9EAWNX/PJHlMxBgUzpI7tyfVAj5racTOa26M3zRV13auYJGm9GcD7KfNwgSfgrDJ66KmtdDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T22:18:39.039827Z","bundle_sha256":"b5f64521f172d7981b5cfb54e2e4be32b3e940d2bf226b208348aea44a4ac6a8"}}