{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:YNUV3PGA2RIWKLHNIUAEINDWFF","short_pith_number":"pith:YNUV3PGA","canonical_record":{"source":{"id":"1411.1776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-11-06T21:26:17Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"361867962fdf3fda243b9fb57c43f9dc178d6529158bf0fe353c24751d1eb3ed","abstract_canon_sha256":"2d759c5495a0fa7d85d1c8e1980ebe4111500b4fdcb51f9aa33d3c5c2c7dd17c"},"schema_version":"1.0"},"canonical_sha256":"c3695dbcc0d451652ced450044347629698ad6a0d99d35d66f494e64c9776a0b","source":{"kind":"arxiv","id":"1411.1776","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.1776","created_at":"2026-05-18T02:19:28Z"},{"alias_kind":"arxiv_version","alias_value":"1411.1776v1","created_at":"2026-05-18T02:19:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.1776","created_at":"2026-05-18T02:19:28Z"},{"alias_kind":"pith_short_12","alias_value":"YNUV3PGA2RIW","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YNUV3PGA2RIWKLHN","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YNUV3PGA","created_at":"2026-05-18T12:28:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:YNUV3PGA2RIWKLHNIUAEINDWFF","target":"record","payload":{"canonical_record":{"source":{"id":"1411.1776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-11-06T21:26:17Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"361867962fdf3fda243b9fb57c43f9dc178d6529158bf0fe353c24751d1eb3ed","abstract_canon_sha256":"2d759c5495a0fa7d85d1c8e1980ebe4111500b4fdcb51f9aa33d3c5c2c7dd17c"},"schema_version":"1.0"},"canonical_sha256":"c3695dbcc0d451652ced450044347629698ad6a0d99d35d66f494e64c9776a0b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:19:28.042213Z","signature_b64":"KU9PSpgDSSL7uLB10v35AY/X/bb065pxj0GcnbqD5/iFMXBe+YEeKiJgPOVR4QxkO0NH/HVVXb0Z1uyarx7ACg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c3695dbcc0d451652ced450044347629698ad6a0d99d35d66f494e64c9776a0b","last_reissued_at":"2026-05-18T02:19:28.041606Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:19:28.041606Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1411.1776","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":"2026-05-18T02:19:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xa3IflWspjEU4smoLfBufI1gxt2OkuUY+6djhkC8+SchPD5MzO0jsvtxwIMJHIrxueD4U+Z42HdpJjX4TIqBAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T11:52:01.706547Z"},"content_sha256":"2c803e1f263049da549422693e90556618ef44f51c1609826f534e63390cb6ff","schema_version":"1.0","event_id":"sha256:2c803e1f263049da549422693e90556618ef44f51c1609826f534e63390cb6ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:YNUV3PGA2RIWKLHNIUAEINDWFF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nanostructure Investigations of Nonlinear Differential Conductance in NdNiO$_3$ Thin Films","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.str-el","authors_text":"Douglas Natelson, Evgeny Mikheev, Heng Ji, Susanne Stemmer, Will J. Hardy","submitted_at":"2014-11-06T21:26:17Z","abstract_excerpt":"Transport measurements on thin films of NdNiO$_3$ reveal a crossover to a regime of pronounced nonlinear conduction below the well-known metal-insulator transition temperature. The evolution of the transport properties at temperatures well below this transition appears consistent with a gradual formation of a gap in the hole-like Fermi surface of this strongly correlated system. As $T$ is decreased below the nominal transition temperature, transport becomes increasily non-Ohmic, with a model of Landau-Zener breakdown becoming most suited for describing $I(V)$ characteristics as the temperature"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.1776","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":"2026-05-18T02:19:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2O7Vi3XEgRR8Z6o7U+eS25PfpivcyPUmuF5t6q/s4F9efgmwFOFmMaElMl2maUYRnh3JW98CAlABUUUtuanTDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T11:52:01.706907Z"},"content_sha256":"ab914815356c8f3ec7d85bcd706d9cad5f119d31ae716895a52b8452368915cb","schema_version":"1.0","event_id":"sha256:ab914815356c8f3ec7d85bcd706d9cad5f119d31ae716895a52b8452368915cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YNUV3PGA2RIWKLHNIUAEINDWFF/bundle.json","state_url":"https://pith.science/pith/YNUV3PGA2RIWKLHNIUAEINDWFF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YNUV3PGA2RIWKLHNIUAEINDWFF/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":"2026-05-31T11:52:01Z","links":{"resolver":"https://pith.science/pith/YNUV3PGA2RIWKLHNIUAEINDWFF","bundle":"https://pith.science/pith/YNUV3PGA2RIWKLHNIUAEINDWFF/bundle.json","state":"https://pith.science/pith/YNUV3PGA2RIWKLHNIUAEINDWFF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YNUV3PGA2RIWKLHNIUAEINDWFF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:YNUV3PGA2RIWKLHNIUAEINDWFF","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":"2d759c5495a0fa7d85d1c8e1980ebe4111500b4fdcb51f9aa33d3c5c2c7dd17c","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-11-06T21:26:17Z","title_canon_sha256":"361867962fdf3fda243b9fb57c43f9dc178d6529158bf0fe353c24751d1eb3ed"},"schema_version":"1.0","source":{"id":"1411.1776","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1411.1776","created_at":"2026-05-18T02:19:28Z"},{"alias_kind":"arxiv_version","alias_value":"1411.1776v1","created_at":"2026-05-18T02:19:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1411.1776","created_at":"2026-05-18T02:19:28Z"},{"alias_kind":"pith_short_12","alias_value":"YNUV3PGA2RIW","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_16","alias_value":"YNUV3PGA2RIWKLHN","created_at":"2026-05-18T12:28:57Z"},{"alias_kind":"pith_short_8","alias_value":"YNUV3PGA","created_at":"2026-05-18T12:28:57Z"}],"graph_snapshots":[{"event_id":"sha256:ab914815356c8f3ec7d85bcd706d9cad5f119d31ae716895a52b8452368915cb","target":"graph","created_at":"2026-05-18T02:19:28Z","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":"Transport measurements on thin films of NdNiO$_3$ reveal a crossover to a regime of pronounced nonlinear conduction below the well-known metal-insulator transition temperature. The evolution of the transport properties at temperatures well below this transition appears consistent with a gradual formation of a gap in the hole-like Fermi surface of this strongly correlated system. As $T$ is decreased below the nominal transition temperature, transport becomes increasily non-Ohmic, with a model of Landau-Zener breakdown becoming most suited for describing $I(V)$ characteristics as the temperature","authors_text":"Douglas Natelson, Evgeny Mikheev, Heng Ji, Susanne Stemmer, Will J. Hardy","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-11-06T21:26:17Z","title":"Nanostructure Investigations of Nonlinear Differential Conductance in NdNiO$_3$ Thin Films"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1411.1776","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":"sha256:2c803e1f263049da549422693e90556618ef44f51c1609826f534e63390cb6ff","target":"record","created_at":"2026-05-18T02:19:28Z","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":"2d759c5495a0fa7d85d1c8e1980ebe4111500b4fdcb51f9aa33d3c5c2c7dd17c","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-11-06T21:26:17Z","title_canon_sha256":"361867962fdf3fda243b9fb57c43f9dc178d6529158bf0fe353c24751d1eb3ed"},"schema_version":"1.0","source":{"id":"1411.1776","kind":"arxiv","version":1}},"canonical_sha256":"c3695dbcc0d451652ced450044347629698ad6a0d99d35d66f494e64c9776a0b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c3695dbcc0d451652ced450044347629698ad6a0d99d35d66f494e64c9776a0b","first_computed_at":"2026-05-18T02:19:28.041606Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:19:28.041606Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KU9PSpgDSSL7uLB10v35AY/X/bb065pxj0GcnbqD5/iFMXBe+YEeKiJgPOVR4QxkO0NH/HVVXb0Z1uyarx7ACg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:19:28.042213Z","signed_message":"canonical_sha256_bytes"},"source_id":"1411.1776","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2c803e1f263049da549422693e90556618ef44f51c1609826f534e63390cb6ff","sha256:ab914815356c8f3ec7d85bcd706d9cad5f119d31ae716895a52b8452368915cb"],"state_sha256":"774d1b79994774a72aa6d979fb78251322fd99541cf2c6eb0e9abe659dbfdbca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cXoGzcJokPpn0FT/IXYkUz58fZV4ZamcoFrek3BXyIm982Gbb7WAm5LceCdK9QUnikzyDUio+Y2oJIMLu0zmAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T11:52:01.709367Z","bundle_sha256":"ff4c6ead9caad7cc32a7336563b3106ffd6f1e62b1c15b8db1c284df7fa91393"}}