{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:H6GS36SGGL7S5NXWJGNBZGR6CG","short_pith_number":"pith:H6GS36SG","canonical_record":{"source":{"id":"cond-mat/0304389","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2003-04-17T06:51:46Z","cross_cats_sorted":[],"title_canon_sha256":"688b16dadae8cd156b048cc3de09463118659c48f44f1964f11bc3ddc570b5e7","abstract_canon_sha256":"b5efa92d2d4f2ebfb2d42b51fc0ecdbef4785d84c058b13360e13a3a107f6b89"},"schema_version":"1.0"},"canonical_sha256":"3f8d2dfa4632ff2eb6f6499a1c9a3e11bea97a8e140f8dd2ac8cd2f77c6f6954","source":{"kind":"arxiv","id":"cond-mat/0304389","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0304389","created_at":"2026-07-04T14:20:02Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0304389v1","created_at":"2026-07-04T14:20:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0304389","created_at":"2026-07-04T14:20:02Z"},{"alias_kind":"pith_short_12","alias_value":"H6GS36SGGL7S","created_at":"2026-07-04T14:20:02Z"},{"alias_kind":"pith_short_16","alias_value":"H6GS36SGGL7S5NXW","created_at":"2026-07-04T14:20:02Z"},{"alias_kind":"pith_short_8","alias_value":"H6GS36SG","created_at":"2026-07-04T14:20:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:H6GS36SGGL7S5NXWJGNBZGR6CG","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0304389","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2003-04-17T06:51:46Z","cross_cats_sorted":[],"title_canon_sha256":"688b16dadae8cd156b048cc3de09463118659c48f44f1964f11bc3ddc570b5e7","abstract_canon_sha256":"b5efa92d2d4f2ebfb2d42b51fc0ecdbef4785d84c058b13360e13a3a107f6b89"},"schema_version":"1.0"},"canonical_sha256":"3f8d2dfa4632ff2eb6f6499a1c9a3e11bea97a8e140f8dd2ac8cd2f77c6f6954","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:20:02.387061Z","signature_b64":"Hcq2KtB6S/22vTYZ1HzQAzjn445U//A0z5Yg4fMSJHX8Lj2vP85+KxLxYaCCR4WmL591dcmM9kugGoT3DjJhCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3f8d2dfa4632ff2eb6f6499a1c9a3e11bea97a8e140f8dd2ac8cd2f77c6f6954","last_reissued_at":"2026-07-04T14:20:02.386681Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:20:02.386681Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0304389","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":"2026-07-04T14:20:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dPHz73RBriswx69D3fbwd6ukSpo2oDDI2Sei3Krw5VnM+DcgBzUxqtMsUV4uFufhQ8penEYgB4WpXjwzqzbHCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T15:07:07.649932Z"},"content_sha256":"ca180a5ae3104b6dea48c2d18beb8ab08e6012dfb74e06ae0100376d75ceab6f","schema_version":"1.0","event_id":"sha256:ca180a5ae3104b6dea48c2d18beb8ab08e6012dfb74e06ae0100376d75ceab6f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:H6GS36SGGL7S5NXWJGNBZGR6CG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Transition from tunneling to direct contact in tungsten nanojunctions","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Halbritter, E. Jurdik, G.Mihaly, H. van Kempen, O.I. Shklyarevskii, O.Yu. Kolesnychenko, S. Speller, Sz. Csonka","submitted_at":"2003-04-17T06:51:46Z","abstract_excerpt":"We apply the mechanically controllable break junctions technique to investigate the transition from tunneling to direct contact in tungsten. This transition is quite different from that of other metals and is determined by the local electronic properties of the tungsten surface and the relief of the electrodes at the point of their closest proximity. The conductance traces show a rich variety of patterns from the avalanche-like jump to a mesoscopic contact to the completely smooth transition between direct contact and tunneling. Due to the occasional absence of an adhesive jump the conductance"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0304389","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0304389/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":"2026-07-04T14:20:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sL/dOh+ZNMbHJkHxJwV8b93aoLOLfg41wnLkx08xEsJbNiIfft+1UPb3Gx8VsTMUbRcPbp+58vBTEyB6rThZAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T15:07:07.650465Z"},"content_sha256":"0da160b4670177b0149353a17cc0d4da2164e60dc45aefd2b4e410b6b0aa5604","schema_version":"1.0","event_id":"sha256:0da160b4670177b0149353a17cc0d4da2164e60dc45aefd2b4e410b6b0aa5604"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H6GS36SGGL7S5NXWJGNBZGR6CG/bundle.json","state_url":"https://pith.science/pith/H6GS36SGGL7S5NXWJGNBZGR6CG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H6GS36SGGL7S5NXWJGNBZGR6CG/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":"2026-08-04T15:07:07Z","links":{"resolver":"https://pith.science/pith/H6GS36SGGL7S5NXWJGNBZGR6CG","bundle":"https://pith.science/pith/H6GS36SGGL7S5NXWJGNBZGR6CG/bundle.json","state":"https://pith.science/pith/H6GS36SGGL7S5NXWJGNBZGR6CG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H6GS36SGGL7S5NXWJGNBZGR6CG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:H6GS36SGGL7S5NXWJGNBZGR6CG","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":"b5efa92d2d4f2ebfb2d42b51fc0ecdbef4785d84c058b13360e13a3a107f6b89","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2003-04-17T06:51:46Z","title_canon_sha256":"688b16dadae8cd156b048cc3de09463118659c48f44f1964f11bc3ddc570b5e7"},"schema_version":"1.0","source":{"id":"cond-mat/0304389","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0304389","created_at":"2026-07-04T14:20:02Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0304389v1","created_at":"2026-07-04T14:20:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0304389","created_at":"2026-07-04T14:20:02Z"},{"alias_kind":"pith_short_12","alias_value":"H6GS36SGGL7S","created_at":"2026-07-04T14:20:02Z"},{"alias_kind":"pith_short_16","alias_value":"H6GS36SGGL7S5NXW","created_at":"2026-07-04T14:20:02Z"},{"alias_kind":"pith_short_8","alias_value":"H6GS36SG","created_at":"2026-07-04T14:20:02Z"}],"graph_snapshots":[{"event_id":"sha256:0da160b4670177b0149353a17cc0d4da2164e60dc45aefd2b4e410b6b0aa5604","target":"graph","created_at":"2026-07-04T14:20:02Z","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/cond-mat/0304389/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We apply the mechanically controllable break junctions technique to investigate the transition from tunneling to direct contact in tungsten. This transition is quite different from that of other metals and is determined by the local electronic properties of the tungsten surface and the relief of the electrodes at the point of their closest proximity. The conductance traces show a rich variety of patterns from the avalanche-like jump to a mesoscopic contact to the completely smooth transition between direct contact and tunneling. Due to the occasional absence of an adhesive jump the conductance","authors_text":"A. Halbritter, E. Jurdik, G.Mihaly, H. van Kempen, O.I. Shklyarevskii, O.Yu. Kolesnychenko, S. Speller, Sz. Csonka","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2003-04-17T06:51:46Z","title":"Transition from tunneling to direct contact in tungsten nanojunctions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0304389","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:ca180a5ae3104b6dea48c2d18beb8ab08e6012dfb74e06ae0100376d75ceab6f","target":"record","created_at":"2026-07-04T14:20:02Z","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":"b5efa92d2d4f2ebfb2d42b51fc0ecdbef4785d84c058b13360e13a3a107f6b89","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2003-04-17T06:51:46Z","title_canon_sha256":"688b16dadae8cd156b048cc3de09463118659c48f44f1964f11bc3ddc570b5e7"},"schema_version":"1.0","source":{"id":"cond-mat/0304389","kind":"arxiv","version":1}},"canonical_sha256":"3f8d2dfa4632ff2eb6f6499a1c9a3e11bea97a8e140f8dd2ac8cd2f77c6f6954","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3f8d2dfa4632ff2eb6f6499a1c9a3e11bea97a8e140f8dd2ac8cd2f77c6f6954","first_computed_at":"2026-07-04T14:20:02.386681Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:20:02.386681Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Hcq2KtB6S/22vTYZ1HzQAzjn445U//A0z5Yg4fMSJHX8Lj2vP85+KxLxYaCCR4WmL591dcmM9kugGoT3DjJhCg==","signature_status":"signed_v1","signed_at":"2026-07-04T14:20:02.387061Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0304389","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca180a5ae3104b6dea48c2d18beb8ab08e6012dfb74e06ae0100376d75ceab6f","sha256:0da160b4670177b0149353a17cc0d4da2164e60dc45aefd2b4e410b6b0aa5604"],"state_sha256":"c11af7919c90ce89a1e1323d0ff19b52e657760a300b711152983f656a1623cb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mTUSfXAwtj0Wx2CYWYn21xvCoeoiZIUFxxfyqXCJjpI/QxxOTiwyVJ+TY+cvOctNAUo88nlW70QnY970MQWHDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T15:07:07.654492Z","bundle_sha256":"7eb8fd2074bf9da5d7b94cbcab650b52d3cd0ddf37fe997a83fafc589a653bbd"}}