{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:NUD74L5ZFJTKNPECUEN72D4UR7","short_pith_number":"pith:NUD74L5Z","canonical_record":{"source":{"id":"2509.03081","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2025-09-03T07:21:41Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"9ffa1670fdb5450579c551b0b079a71573962e5d013968af9f0395084edfff4a","abstract_canon_sha256":"09b190baadc34942b4d90e2257ff930e7ee85ad76e8510f508b2a9882d5a79bd"},"schema_version":"1.0"},"canonical_sha256":"6d07fe2fb92a66a6bc82a11bfd0f948fcfc970336c462ce4bc6494531e0f1af0","source":{"kind":"arxiv","id":"2509.03081","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.03081","created_at":"2026-07-05T12:04:03Z"},{"alias_kind":"arxiv_version","alias_value":"2509.03081v1","created_at":"2026-07-05T12:04:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.03081","created_at":"2026-07-05T12:04:03Z"},{"alias_kind":"pith_short_12","alias_value":"NUD74L5ZFJTK","created_at":"2026-07-05T12:04:03Z"},{"alias_kind":"pith_short_16","alias_value":"NUD74L5ZFJTKNPEC","created_at":"2026-07-05T12:04:03Z"},{"alias_kind":"pith_short_8","alias_value":"NUD74L5Z","created_at":"2026-07-05T12:04:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:NUD74L5ZFJTKNPECUEN72D4UR7","target":"record","payload":{"canonical_record":{"source":{"id":"2509.03081","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2025-09-03T07:21:41Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"9ffa1670fdb5450579c551b0b079a71573962e5d013968af9f0395084edfff4a","abstract_canon_sha256":"09b190baadc34942b4d90e2257ff930e7ee85ad76e8510f508b2a9882d5a79bd"},"schema_version":"1.0"},"canonical_sha256":"6d07fe2fb92a66a6bc82a11bfd0f948fcfc970336c462ce4bc6494531e0f1af0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:04:03.860432Z","signature_b64":"Pu4/QnpkZod0Iwsba1mqx1H5RFcFYcL+afLiWrPyirSVKs6+npavAJK5UTJdyNz4Z2Wx8VrBCtgld0tZh2t1DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d07fe2fb92a66a6bc82a11bfd0f948fcfc970336c462ce4bc6494531e0f1af0","last_reissued_at":"2026-07-05T12:04:03.859820Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:04:03.859820Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2509.03081","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":"2026-07-05T12:04:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rwy+U0XDd+J410F1z64py6B5xJPIsJzMPXOPphCoeLFOBYznK7mR03FgoqgalQp/A2bt6mGuLp5xKuuSj4PaCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T13:53:55.553896Z"},"content_sha256":"f72915b31b85c9f6467101cca4b3168d406b5f6113dda13989c6a3d3f138489c","schema_version":"1.0","event_id":"sha256:f72915b31b85c9f6467101cca4b3168d406b5f6113dda13989c6a3d3f138489c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:NUD74L5ZFJTKNPECUEN72D4UR7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Machine learning-accelerated search of superconductors in B-C-N based compounds and R3Ni2O7-type nickelates","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"Dingfu Shao, Li'e Liu, Run Lv, Wenjian Lu, Wenqian Tu, Xiaoying Li, Yuping Sun","submitted_at":"2025-09-03T07:21:41Z","abstract_excerpt":"Superconductor research has traditionally depended on experiments and theoretical approaches. However, the rapid advancement of data-driven methods and machine learning (ML) has opened avenues for accelerating superconductor discovery. Here, we integrated ML with density functional theory (DFT) calculations to efficiently screen conventional B-C-N based superconductors and identify potential high-TC candidates among R3Ni2O7-type bilayer nickelates. We identified 12 new binary and ternary B-C-N based superconductors with TC >= 10 K, including 3 with TC >= 25 K, such as two structural forms of B"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.03081","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/2509.03081/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":"2026-07-05T12:04:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B75yccOyWY2QhEJlbp9jJr9Em4x+RWDx+I1E/v5TNAQk7Swei4cQOMIGmeg18pOosoRl+ZmsdHBGvr1+4KViDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T13:53:55.554205Z"},"content_sha256":"98f2489c88540059b164b5f4f7fe1eedc5594f47c602286d9384fdfc267f53a6","schema_version":"1.0","event_id":"sha256:98f2489c88540059b164b5f4f7fe1eedc5594f47c602286d9384fdfc267f53a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NUD74L5ZFJTKNPECUEN72D4UR7/bundle.json","state_url":"https://pith.science/pith/NUD74L5ZFJTKNPECUEN72D4UR7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NUD74L5ZFJTKNPECUEN72D4UR7/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":"2026-08-06T13:53:55Z","links":{"resolver":"https://pith.science/pith/NUD74L5ZFJTKNPECUEN72D4UR7","bundle":"https://pith.science/pith/NUD74L5ZFJTKNPECUEN72D4UR7/bundle.json","state":"https://pith.science/pith/NUD74L5ZFJTKNPECUEN72D4UR7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NUD74L5ZFJTKNPECUEN72D4UR7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:NUD74L5ZFJTKNPECUEN72D4UR7","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":"09b190baadc34942b4d90e2257ff930e7ee85ad76e8510f508b2a9882d5a79bd","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2025-09-03T07:21:41Z","title_canon_sha256":"9ffa1670fdb5450579c551b0b079a71573962e5d013968af9f0395084edfff4a"},"schema_version":"1.0","source":{"id":"2509.03081","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.03081","created_at":"2026-07-05T12:04:03Z"},{"alias_kind":"arxiv_version","alias_value":"2509.03081v1","created_at":"2026-07-05T12:04:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.03081","created_at":"2026-07-05T12:04:03Z"},{"alias_kind":"pith_short_12","alias_value":"NUD74L5ZFJTK","created_at":"2026-07-05T12:04:03Z"},{"alias_kind":"pith_short_16","alias_value":"NUD74L5ZFJTKNPEC","created_at":"2026-07-05T12:04:03Z"},{"alias_kind":"pith_short_8","alias_value":"NUD74L5Z","created_at":"2026-07-05T12:04:03Z"}],"graph_snapshots":[{"event_id":"sha256:98f2489c88540059b164b5f4f7fe1eedc5594f47c602286d9384fdfc267f53a6","target":"graph","created_at":"2026-07-05T12:04:03Z","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/2509.03081/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Superconductor research has traditionally depended on experiments and theoretical approaches. However, the rapid advancement of data-driven methods and machine learning (ML) has opened avenues for accelerating superconductor discovery. Here, we integrated ML with density functional theory (DFT) calculations to efficiently screen conventional B-C-N based superconductors and identify potential high-TC candidates among R3Ni2O7-type bilayer nickelates. We identified 12 new binary and ternary B-C-N based superconductors with TC >= 10 K, including 3 with TC >= 25 K, such as two structural forms of B","authors_text":"Dingfu Shao, Li'e Liu, Run Lv, Wenjian Lu, Wenqian Tu, Xiaoying Li, Yuping Sun","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2025-09-03T07:21:41Z","title":"Machine learning-accelerated search of superconductors in B-C-N based compounds and R3Ni2O7-type nickelates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.03081","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:f72915b31b85c9f6467101cca4b3168d406b5f6113dda13989c6a3d3f138489c","target":"record","created_at":"2026-07-05T12:04:03Z","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":"09b190baadc34942b4d90e2257ff930e7ee85ad76e8510f508b2a9882d5a79bd","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2025-09-03T07:21:41Z","title_canon_sha256":"9ffa1670fdb5450579c551b0b079a71573962e5d013968af9f0395084edfff4a"},"schema_version":"1.0","source":{"id":"2509.03081","kind":"arxiv","version":1}},"canonical_sha256":"6d07fe2fb92a66a6bc82a11bfd0f948fcfc970336c462ce4bc6494531e0f1af0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d07fe2fb92a66a6bc82a11bfd0f948fcfc970336c462ce4bc6494531e0f1af0","first_computed_at":"2026-07-05T12:04:03.859820Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:04:03.859820Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Pu4/QnpkZod0Iwsba1mqx1H5RFcFYcL+afLiWrPyirSVKs6+npavAJK5UTJdyNz4Z2Wx8VrBCtgld0tZh2t1DQ==","signature_status":"signed_v1","signed_at":"2026-07-05T12:04:03.860432Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.03081","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f72915b31b85c9f6467101cca4b3168d406b5f6113dda13989c6a3d3f138489c","sha256:98f2489c88540059b164b5f4f7fe1eedc5594f47c602286d9384fdfc267f53a6"],"state_sha256":"8747bbe348997333887b78b40bf502e9f679e147a8e6e3c74f3b4688636fb965"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xk/3dVaMei9l4jUiRCmxVkSvLYQjz+ej7Ihb4kd3sbF/1tCQTihW/k9sW6jMr7eDMv9n83DjbArJveV5/gdFCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T13:53:55.556650Z","bundle_sha256":"fd8bd196e8403b368b6be67e6791d63bdb35341b4f3c6fbee55fb99cd0f3c84b"}}