{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:D7RMVVZJKFCZ6YUQWY644CBUM5","short_pith_number":"pith:D7RMVVZJ","canonical_record":{"source":{"id":"2410.02007","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-10-02T20:17:00Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"24cd9a3130de92d480362f0319018cd6fe3027fc2c1325da8ecbc4accfb4033f","abstract_canon_sha256":"f3b436fd2ef2c07e10e7e79096b183559bb2d2af6754828b61cb0984754f3258"},"schema_version":"1.0"},"canonical_sha256":"1fe2cad72951459f6290b63dce0834675df8f1bc6a3ac9ae015fd8e5d4bb52b0","source":{"kind":"arxiv","id":"2410.02007","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.02007","created_at":"2026-07-05T11:02:39Z"},{"alias_kind":"arxiv_version","alias_value":"2410.02007v1","created_at":"2026-07-05T11:02:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.02007","created_at":"2026-07-05T11:02:39Z"},{"alias_kind":"pith_short_12","alias_value":"D7RMVVZJKFCZ","created_at":"2026-07-05T11:02:39Z"},{"alias_kind":"pith_short_16","alias_value":"D7RMVVZJKFCZ6YUQ","created_at":"2026-07-05T11:02:39Z"},{"alias_kind":"pith_short_8","alias_value":"D7RMVVZJ","created_at":"2026-07-05T11:02:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:D7RMVVZJKFCZ6YUQWY644CBUM5","target":"record","payload":{"canonical_record":{"source":{"id":"2410.02007","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-10-02T20:17:00Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"24cd9a3130de92d480362f0319018cd6fe3027fc2c1325da8ecbc4accfb4033f","abstract_canon_sha256":"f3b436fd2ef2c07e10e7e79096b183559bb2d2af6754828b61cb0984754f3258"},"schema_version":"1.0"},"canonical_sha256":"1fe2cad72951459f6290b63dce0834675df8f1bc6a3ac9ae015fd8e5d4bb52b0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:02:39.751586Z","signature_b64":"6O/j2PjqjOxfgB63h32pgy4kwV1rHYnXPAH8F/yPUpH1P5AS/0UjSdHQj6wcxkT4aS7+jSnrLyOa92wZjBIoAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fe2cad72951459f6290b63dce0834675df8f1bc6a3ac9ae015fd8e5d4bb52b0","last_reissued_at":"2026-07-05T11:02:39.751007Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:02:39.751007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2410.02007","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":"2026-07-05T11:02:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qfsns37AEWCfLu/YMr1MszuInBbS5YphAOx6nynZ6PzCy02OCJyWMV0MZ6p1FgByiDGETbHxEZX3k4o7s3vFDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T02:19:01.553731Z"},"content_sha256":"197cdeaa8eb44cdfe2d13a5e49478f82e58869db1b3a6274a738d58d63ea2995","schema_version":"1.0","event_id":"sha256:197cdeaa8eb44cdfe2d13a5e49478f82e58869db1b3a6274a738d58d63ea2995"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:D7RMVVZJKFCZ6YUQWY644CBUM5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superconductivity in the parent infinite-layer nickelate NdNiO$_2$","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"A. B. Georgescu, C. T. Parzyck, D. A. Muller, D. G. Hawthorn, D. G. Schlom, G. Herranz, J. Pelliciari, K. M. Shen, L. Bhatt, L. F. Kourkoutis, M. Kang, R. Sutarto, S. Fan, T. M. Pedersen, V. Bisogni, Y. Wu, Z. Arthur","submitted_at":"2024-10-02T20:17:00Z","abstract_excerpt":"We report evidence for superconductivity with onset temperatures up to 11 K in thin films of the infinite-layer nickelate parent compound NdNiO$_2$. A combination of oxide molecular-beam epitaxy and atomic hydrogen reduction yields samples with high crystallinity and low residual resistivities, a substantial fraction of which exhibit superconducting transitions. We survey a large series of samples with a variety of techniques, including electrical transport, scanning transmission electron microscopy, x-ray absorption spectroscopy, and resonant inelastic x-ray scattering, to investigate the pos"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.02007","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/2410.02007/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":"2026-07-05T11:02:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cv8W8+KToWHTOxfKdpCOL40PPmtrD8nM/hGld8+B5ewJGt2kDjCZEO5bApmgTa9KjBannwzKApFZ31S5V/0ZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T02:19:01.554238Z"},"content_sha256":"bbdc29966fbd4018cd5ad391225eb43610bfc9bd4956e2349247a1fdb7e15295","schema_version":"1.0","event_id":"sha256:bbdc29966fbd4018cd5ad391225eb43610bfc9bd4956e2349247a1fdb7e15295"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D7RMVVZJKFCZ6YUQWY644CBUM5/bundle.json","state_url":"https://pith.science/pith/D7RMVVZJKFCZ6YUQWY644CBUM5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D7RMVVZJKFCZ6YUQWY644CBUM5/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":"2026-08-10T02:19:01Z","links":{"resolver":"https://pith.science/pith/D7RMVVZJKFCZ6YUQWY644CBUM5","bundle":"https://pith.science/pith/D7RMVVZJKFCZ6YUQWY644CBUM5/bundle.json","state":"https://pith.science/pith/D7RMVVZJKFCZ6YUQWY644CBUM5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D7RMVVZJKFCZ6YUQWY644CBUM5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:D7RMVVZJKFCZ6YUQWY644CBUM5","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":"f3b436fd2ef2c07e10e7e79096b183559bb2d2af6754828b61cb0984754f3258","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-10-02T20:17:00Z","title_canon_sha256":"24cd9a3130de92d480362f0319018cd6fe3027fc2c1325da8ecbc4accfb4033f"},"schema_version":"1.0","source":{"id":"2410.02007","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.02007","created_at":"2026-07-05T11:02:39Z"},{"alias_kind":"arxiv_version","alias_value":"2410.02007v1","created_at":"2026-07-05T11:02:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.02007","created_at":"2026-07-05T11:02:39Z"},{"alias_kind":"pith_short_12","alias_value":"D7RMVVZJKFCZ","created_at":"2026-07-05T11:02:39Z"},{"alias_kind":"pith_short_16","alias_value":"D7RMVVZJKFCZ6YUQ","created_at":"2026-07-05T11:02:39Z"},{"alias_kind":"pith_short_8","alias_value":"D7RMVVZJ","created_at":"2026-07-05T11:02:39Z"}],"graph_snapshots":[{"event_id":"sha256:bbdc29966fbd4018cd5ad391225eb43610bfc9bd4956e2349247a1fdb7e15295","target":"graph","created_at":"2026-07-05T11:02:39Z","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/2410.02007/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report evidence for superconductivity with onset temperatures up to 11 K in thin films of the infinite-layer nickelate parent compound NdNiO$_2$. A combination of oxide molecular-beam epitaxy and atomic hydrogen reduction yields samples with high crystallinity and low residual resistivities, a substantial fraction of which exhibit superconducting transitions. We survey a large series of samples with a variety of techniques, including electrical transport, scanning transmission electron microscopy, x-ray absorption spectroscopy, and resonant inelastic x-ray scattering, to investigate the pos","authors_text":"A. B. Georgescu, C. T. Parzyck, D. A. Muller, D. G. Hawthorn, D. G. Schlom, G. Herranz, J. Pelliciari, K. M. Shen, L. Bhatt, L. F. Kourkoutis, M. Kang, R. Sutarto, S. Fan, T. M. Pedersen, V. Bisogni, Y. Wu, Z. Arthur","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-10-02T20:17:00Z","title":"Superconductivity in the parent infinite-layer nickelate NdNiO$_2$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.02007","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":"sha256:197cdeaa8eb44cdfe2d13a5e49478f82e58869db1b3a6274a738d58d63ea2995","target":"record","created_at":"2026-07-05T11:02:39Z","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":"f3b436fd2ef2c07e10e7e79096b183559bb2d2af6754828b61cb0984754f3258","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2024-10-02T20:17:00Z","title_canon_sha256":"24cd9a3130de92d480362f0319018cd6fe3027fc2c1325da8ecbc4accfb4033f"},"schema_version":"1.0","source":{"id":"2410.02007","kind":"arxiv","version":1}},"canonical_sha256":"1fe2cad72951459f6290b63dce0834675df8f1bc6a3ac9ae015fd8e5d4bb52b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fe2cad72951459f6290b63dce0834675df8f1bc6a3ac9ae015fd8e5d4bb52b0","first_computed_at":"2026-07-05T11:02:39.751007Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:02:39.751007Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6O/j2PjqjOxfgB63h32pgy4kwV1rHYnXPAH8F/yPUpH1P5AS/0UjSdHQj6wcxkT4aS7+jSnrLyOa92wZjBIoAw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:02:39.751586Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.02007","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:197cdeaa8eb44cdfe2d13a5e49478f82e58869db1b3a6274a738d58d63ea2995","sha256:bbdc29966fbd4018cd5ad391225eb43610bfc9bd4956e2349247a1fdb7e15295"],"state_sha256":"b5ee76a57981a278f753f84c58ae2402833cb6658632658ad64a72ed2fb47805"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lHx3nPiTClliMclS4jpeZy7WADLWKO60OMhorQvY/2Z7AAFqR1NMVr6MKro0douOWnXd3zP6Nc1VDpUO5cIfAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T02:19:01.559426Z","bundle_sha256":"fa842a4e58a7b460ab4420463645c22d311f791b4296c2821dc53141857a31bf"}}