{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:NLULTYKECY4V2XDPMMWOVGAOL4","short_pith_number":"pith:NLULTYKE","canonical_record":{"source":{"id":"2208.04834","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-08-09T15:19:32Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"8aa981da749c66ddcecaa4a5495ae61358aec18d4b4266f678672df4d3fbf101","abstract_canon_sha256":"1c3b61b9089efe9d1940c4c66ead2c41d4dc48037e27d2233e17be45d3f006d3"},"schema_version":"1.0"},"canonical_sha256":"6ae8b9e14416395d5c6f632cea980e5f35878da3031cf053eae9ccc72710ac32","source":{"kind":"arxiv","id":"2208.04834","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.04834","created_at":"2026-07-05T04:47:19Z"},{"alias_kind":"arxiv_version","alias_value":"2208.04834v1","created_at":"2026-07-05T04:47:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.04834","created_at":"2026-07-05T04:47:19Z"},{"alias_kind":"pith_short_12","alias_value":"NLULTYKECY4V","created_at":"2026-07-05T04:47:19Z"},{"alias_kind":"pith_short_16","alias_value":"NLULTYKECY4V2XDP","created_at":"2026-07-05T04:47:19Z"},{"alias_kind":"pith_short_8","alias_value":"NLULTYKE","created_at":"2026-07-05T04:47:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:NLULTYKECY4V2XDPMMWOVGAOL4","target":"record","payload":{"canonical_record":{"source":{"id":"2208.04834","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-08-09T15:19:32Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"8aa981da749c66ddcecaa4a5495ae61358aec18d4b4266f678672df4d3fbf101","abstract_canon_sha256":"1c3b61b9089efe9d1940c4c66ead2c41d4dc48037e27d2233e17be45d3f006d3"},"schema_version":"1.0"},"canonical_sha256":"6ae8b9e14416395d5c6f632cea980e5f35878da3031cf053eae9ccc72710ac32","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:47:19.767996Z","signature_b64":"YTIrnSx39TY8XwFFrBLOY9ElMZz27NhmP46MD/GF3X5F53e8gNUKDfQkW6ARXxyx9iuyMscdR++piYbCpZ0sAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6ae8b9e14416395d5c6f632cea980e5f35878da3031cf053eae9ccc72710ac32","last_reissued_at":"2026-07-05T04:47:19.767601Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:47:19.767601Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2208.04834","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":"2026-07-05T04:47:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5yd2gdJPjFL6Ospmog0l7yf1dl1v2mtIM+OrG+ENsRGLW4wi0VqDEXnx9sQRMry9tUHXfyA0rQ5Q9RvSjPRWAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T04:09:06.681362Z"},"content_sha256":"d032e1c4bc82667fcf41595a9cf70bf1562bce26de48eabba0b420b1900ddde6","schema_version":"1.0","event_id":"sha256:d032e1c4bc82667fcf41595a9cf70bf1562bce26de48eabba0b420b1900ddde6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:NLULTYKECY4V2XDPMMWOVGAOL4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of Superconductivity in Nb$_4$SiSb$_2$ with a V$_4$SiSb$_2$-Type Structure and Implications of Interstitial Doping on its Physical Properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.supr-con","authors_text":"Fabian O. von Rohr, Manuele D. Balestra, Olivier Blacque, Omargeldi Atanov, Robin Lef\\`evre, Rolf Lortz, Yat Hei Ng","submitted_at":"2022-08-09T15:19:32Z","abstract_excerpt":"We report on the discovery, structural analysis, and the physical properties of Nb$_4$SiSb$_2$ -- a hitherto unknown compound crystallizing in the V$_4$SiSb$_2$-type structure with the tetragonal space group $I4/mcm$ and unit cell parameters $a$ = 10.3638(2) $\\mathring{\\mathrm{A}}$ and $c$ = 4.9151(2) $\\mathring{\\mathrm{A}}$. We find Nb$_4$SiSb$_2$ to be a metal undergoing a transition to a superconducting state at a critical temperature of $T_{\\rm c} \\approx$ 1.6 K. The bulk nature of the superconductivity in this material is confirmed by the observation of a well defined discontinuity in spe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.04834","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/2208.04834/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":"2026-07-05T04:47:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TEdyI5r9U8V9ptEOHmN6m4LSy5bH+vvUsAl1RBfYUCGw6GRJ0paPXSoqiP21sHHevP4mNCUWx60GrQl1TepxBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T04:09:06.681756Z"},"content_sha256":"a03c9e0f2b33d5d7fe1a696853fcb0d6c89b5d8a95b383d8e332f7a24315bfdd","schema_version":"1.0","event_id":"sha256:a03c9e0f2b33d5d7fe1a696853fcb0d6c89b5d8a95b383d8e332f7a24315bfdd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NLULTYKECY4V2XDPMMWOVGAOL4/bundle.json","state_url":"https://pith.science/pith/NLULTYKECY4V2XDPMMWOVGAOL4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NLULTYKECY4V2XDPMMWOVGAOL4/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":"2026-07-07T04:09:06Z","links":{"resolver":"https://pith.science/pith/NLULTYKECY4V2XDPMMWOVGAOL4","bundle":"https://pith.science/pith/NLULTYKECY4V2XDPMMWOVGAOL4/bundle.json","state":"https://pith.science/pith/NLULTYKECY4V2XDPMMWOVGAOL4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NLULTYKECY4V2XDPMMWOVGAOL4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:NLULTYKECY4V2XDPMMWOVGAOL4","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":"1c3b61b9089efe9d1940c4c66ead2c41d4dc48037e27d2233e17be45d3f006d3","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-08-09T15:19:32Z","title_canon_sha256":"8aa981da749c66ddcecaa4a5495ae61358aec18d4b4266f678672df4d3fbf101"},"schema_version":"1.0","source":{"id":"2208.04834","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2208.04834","created_at":"2026-07-05T04:47:19Z"},{"alias_kind":"arxiv_version","alias_value":"2208.04834v1","created_at":"2026-07-05T04:47:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2208.04834","created_at":"2026-07-05T04:47:19Z"},{"alias_kind":"pith_short_12","alias_value":"NLULTYKECY4V","created_at":"2026-07-05T04:47:19Z"},{"alias_kind":"pith_short_16","alias_value":"NLULTYKECY4V2XDP","created_at":"2026-07-05T04:47:19Z"},{"alias_kind":"pith_short_8","alias_value":"NLULTYKE","created_at":"2026-07-05T04:47:19Z"}],"graph_snapshots":[{"event_id":"sha256:a03c9e0f2b33d5d7fe1a696853fcb0d6c89b5d8a95b383d8e332f7a24315bfdd","target":"graph","created_at":"2026-07-05T04:47:19Z","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/2208.04834/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on the discovery, structural analysis, and the physical properties of Nb$_4$SiSb$_2$ -- a hitherto unknown compound crystallizing in the V$_4$SiSb$_2$-type structure with the tetragonal space group $I4/mcm$ and unit cell parameters $a$ = 10.3638(2) $\\mathring{\\mathrm{A}}$ and $c$ = 4.9151(2) $\\mathring{\\mathrm{A}}$. We find Nb$_4$SiSb$_2$ to be a metal undergoing a transition to a superconducting state at a critical temperature of $T_{\\rm c} \\approx$ 1.6 K. The bulk nature of the superconductivity in this material is confirmed by the observation of a well defined discontinuity in spe","authors_text":"Fabian O. von Rohr, Manuele D. Balestra, Olivier Blacque, Omargeldi Atanov, Robin Lef\\`evre, Rolf Lortz, Yat Hei Ng","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-08-09T15:19:32Z","title":"Discovery of Superconductivity in Nb$_4$SiSb$_2$ with a V$_4$SiSb$_2$-Type Structure and Implications of Interstitial Doping on its Physical Properties"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2208.04834","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:d032e1c4bc82667fcf41595a9cf70bf1562bce26de48eabba0b420b1900ddde6","target":"record","created_at":"2026-07-05T04:47:19Z","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":"1c3b61b9089efe9d1940c4c66ead2c41d4dc48037e27d2233e17be45d3f006d3","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-08-09T15:19:32Z","title_canon_sha256":"8aa981da749c66ddcecaa4a5495ae61358aec18d4b4266f678672df4d3fbf101"},"schema_version":"1.0","source":{"id":"2208.04834","kind":"arxiv","version":1}},"canonical_sha256":"6ae8b9e14416395d5c6f632cea980e5f35878da3031cf053eae9ccc72710ac32","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6ae8b9e14416395d5c6f632cea980e5f35878da3031cf053eae9ccc72710ac32","first_computed_at":"2026-07-05T04:47:19.767601Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:47:19.767601Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YTIrnSx39TY8XwFFrBLOY9ElMZz27NhmP46MD/GF3X5F53e8gNUKDfQkW6ARXxyx9iuyMscdR++piYbCpZ0sAA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:47:19.767996Z","signed_message":"canonical_sha256_bytes"},"source_id":"2208.04834","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d032e1c4bc82667fcf41595a9cf70bf1562bce26de48eabba0b420b1900ddde6","sha256:a03c9e0f2b33d5d7fe1a696853fcb0d6c89b5d8a95b383d8e332f7a24315bfdd"],"state_sha256":"72fce4965832ceebc24d30b25b0f9597e42f8eb3265e850b4eeda9bdd66d04a4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"puMJDXzcV/CxcpwJ5hWJHiusY5xiWsVjGXQdEIsnrwb0w1CNOxKT6ewkw8TuuBsveAauXLbeytaq2B/uYyZ3DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T04:09:06.683762Z","bundle_sha256":"a2f3eeb7e04cbf524685da3758acf5f5ad16c4cc4f44764f9f5a2a5d67bdfae8"}}