{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:DO3ZQHOYLC3SVTUTYOX7LVAXHQ","short_pith_number":"pith:DO3ZQHOY","canonical_record":{"source":{"id":"1304.2169","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-08T11:20:33Z","cross_cats_sorted":[],"title_canon_sha256":"1bc495aad1f479e1735b2a38616b8d5e86ab4eb3c509cc12e8e21342c65d5d66","abstract_canon_sha256":"c78c58fe5a6e9abe51454e95a03493bcdc0a74151fb07265555bf8f75992ac79"},"schema_version":"1.0"},"canonical_sha256":"1bb7981dd858b72ace93c3aff5d4173c193f162d3c2b1d1bee627fa85ad6c285","source":{"kind":"arxiv","id":"1304.2169","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.2169","created_at":"2026-05-18T01:50:41Z"},{"alias_kind":"arxiv_version","alias_value":"1304.2169v1","created_at":"2026-05-18T01:50:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.2169","created_at":"2026-05-18T01:50:41Z"},{"alias_kind":"pith_short_12","alias_value":"DO3ZQHOYLC3S","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"DO3ZQHOYLC3SVTUT","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"DO3ZQHOY","created_at":"2026-05-18T12:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:DO3ZQHOYLC3SVTUTYOX7LVAXHQ","target":"record","payload":{"canonical_record":{"source":{"id":"1304.2169","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-08T11:20:33Z","cross_cats_sorted":[],"title_canon_sha256":"1bc495aad1f479e1735b2a38616b8d5e86ab4eb3c509cc12e8e21342c65d5d66","abstract_canon_sha256":"c78c58fe5a6e9abe51454e95a03493bcdc0a74151fb07265555bf8f75992ac79"},"schema_version":"1.0"},"canonical_sha256":"1bb7981dd858b72ace93c3aff5d4173c193f162d3c2b1d1bee627fa85ad6c285","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:41.708405Z","signature_b64":"U0dgogPe0E5k8SbIeseXTty3ZaD94rRMt+f336nUtAkulgrINnQak7neVMpBHlYfzq+HWRMRs/Hu6eRxmFffDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1bb7981dd858b72ace93c3aff5d4173c193f162d3c2b1d1bee627fa85ad6c285","last_reissued_at":"2026-05-18T01:50:41.707677Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:41.707677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.2169","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":"2026-05-18T01:50:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iPSg13GteIvDkaKTkda6Rw7Ie8knJIV0KBCcGpAYbWRxgi2ImPXqaoYqrYhiuRn1pCjDUO/F5sWaBqGIf3GMBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T09:40:07.503844Z"},"content_sha256":"ee2ec025c44d45e2f389f7d5cc236b9c89f79262471ab49095cb4a9452550361","schema_version":"1.0","event_id":"sha256:ee2ec025c44d45e2f389f7d5cc236b9c89f79262471ab49095cb4a9452550361"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:DO3ZQHOYLC3SVTUTYOX7LVAXHQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two-dimensional simulations of temperature and current-density distribution in electromigrated structures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Birgit Kie{\\ss}ig, Hilbert v. L\\\"ohneysen, Roland Sch\\\"afer","submitted_at":"2013-04-08T11:20:33Z","abstract_excerpt":"We report on the application of a feedback-controlled electromigration technique for the formation of nanometer-sized gaps in mesoscopic gold wires and rings. The effect of current density and temperature, linked via Joule heating, on the resulting gap size is investigated. Experimentally, a good thermal coupling to the substrate turned out to be crucial to reach electrode spacings below 10 nm and to avoid overall melting of the nanostructures. This finding is supported by numerical calculations of the current-density and temperature profiles for structure layouts subjected to electromigration"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.2169","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":"2026-05-18T01:50:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zd84NFapuArsnnyJkym0T8KUq15yc6JDKlMw2msYTrM1nxBmBosfkcBSdkIyxu9B1CrQxk1yxACmLK1BRoiSBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T09:40:07.504469Z"},"content_sha256":"e936110efe2fead51a5885805171e2453fdec5853c6ee7b44407f72a15cfb470","schema_version":"1.0","event_id":"sha256:e936110efe2fead51a5885805171e2453fdec5853c6ee7b44407f72a15cfb470"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DO3ZQHOYLC3SVTUTYOX7LVAXHQ/bundle.json","state_url":"https://pith.science/pith/DO3ZQHOYLC3SVTUTYOX7LVAXHQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DO3ZQHOYLC3SVTUTYOX7LVAXHQ/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":"2026-05-27T09:40:07Z","links":{"resolver":"https://pith.science/pith/DO3ZQHOYLC3SVTUTYOX7LVAXHQ","bundle":"https://pith.science/pith/DO3ZQHOYLC3SVTUTYOX7LVAXHQ/bundle.json","state":"https://pith.science/pith/DO3ZQHOYLC3SVTUTYOX7LVAXHQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DO3ZQHOYLC3SVTUTYOX7LVAXHQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:DO3ZQHOYLC3SVTUTYOX7LVAXHQ","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":"c78c58fe5a6e9abe51454e95a03493bcdc0a74151fb07265555bf8f75992ac79","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-08T11:20:33Z","title_canon_sha256":"1bc495aad1f479e1735b2a38616b8d5e86ab4eb3c509cc12e8e21342c65d5d66"},"schema_version":"1.0","source":{"id":"1304.2169","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.2169","created_at":"2026-05-18T01:50:41Z"},{"alias_kind":"arxiv_version","alias_value":"1304.2169v1","created_at":"2026-05-18T01:50:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.2169","created_at":"2026-05-18T01:50:41Z"},{"alias_kind":"pith_short_12","alias_value":"DO3ZQHOYLC3S","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"DO3ZQHOYLC3SVTUT","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"DO3ZQHOY","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:e936110efe2fead51a5885805171e2453fdec5853c6ee7b44407f72a15cfb470","target":"graph","created_at":"2026-05-18T01:50:41Z","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 report on the application of a feedback-controlled electromigration technique for the formation of nanometer-sized gaps in mesoscopic gold wires and rings. The effect of current density and temperature, linked via Joule heating, on the resulting gap size is investigated. Experimentally, a good thermal coupling to the substrate turned out to be crucial to reach electrode spacings below 10 nm and to avoid overall melting of the nanostructures. This finding is supported by numerical calculations of the current-density and temperature profiles for structure layouts subjected to electromigration","authors_text":"Birgit Kie{\\ss}ig, Hilbert v. L\\\"ohneysen, Roland Sch\\\"afer","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-08T11:20:33Z","title":"Two-dimensional simulations of temperature and current-density distribution in electromigrated structures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.2169","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:ee2ec025c44d45e2f389f7d5cc236b9c89f79262471ab49095cb4a9452550361","target":"record","created_at":"2026-05-18T01:50:41Z","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":"c78c58fe5a6e9abe51454e95a03493bcdc0a74151fb07265555bf8f75992ac79","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-08T11:20:33Z","title_canon_sha256":"1bc495aad1f479e1735b2a38616b8d5e86ab4eb3c509cc12e8e21342c65d5d66"},"schema_version":"1.0","source":{"id":"1304.2169","kind":"arxiv","version":1}},"canonical_sha256":"1bb7981dd858b72ace93c3aff5d4173c193f162d3c2b1d1bee627fa85ad6c285","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1bb7981dd858b72ace93c3aff5d4173c193f162d3c2b1d1bee627fa85ad6c285","first_computed_at":"2026-05-18T01:50:41.707677Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:41.707677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U0dgogPe0E5k8SbIeseXTty3ZaD94rRMt+f336nUtAkulgrINnQak7neVMpBHlYfzq+HWRMRs/Hu6eRxmFffDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:41.708405Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.2169","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ee2ec025c44d45e2f389f7d5cc236b9c89f79262471ab49095cb4a9452550361","sha256:e936110efe2fead51a5885805171e2453fdec5853c6ee7b44407f72a15cfb470"],"state_sha256":"7c0100a146caf119330d4cb30e25ee9902cbddd204dc52ff57b440e8d79506eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VtR5Vc4mzQ/v9ia1VZKhSwduxRpN/r8eCfHRGgYWAXMr0BBNPKM5hK+pzkCFOLV2iVIfkNAvkT5NyZP4UGYVBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T09:40:07.508095Z","bundle_sha256":"a047916dcf4cd11971aec647103cb4b20b54b6974eba8dbbfded27b4e171a388"}}