{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:QU2ZAW6LNOUSESAO4MFPL3GMPR","short_pith_number":"pith:QU2ZAW6L","canonical_record":{"source":{"id":"2204.05179","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-04-11T15:12:01Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"c2d085dcc7f0dd0a4e598decab79b7febd6efa805c8b2e1c71226b3b1a08cbbb","abstract_canon_sha256":"25bf9d52bb7ea2ce307d6527f30713c9fc5cdb514c0cdadb7ded4ce5a168a23b"},"schema_version":"1.0"},"canonical_sha256":"8535905bcb6ba922480ee30af5eccc7c43cdf15e8d796bb7f6a36ea9f9c4b630","source":{"kind":"arxiv","id":"2204.05179","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.05179","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"arxiv_version","alias_value":"2204.05179v1","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.05179","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"pith_short_12","alias_value":"QU2ZAW6LNOUS","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"pith_short_16","alias_value":"QU2ZAW6LNOUSESAO","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"pith_short_8","alias_value":"QU2ZAW6L","created_at":"2026-07-05T04:13:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:QU2ZAW6LNOUSESAO4MFPL3GMPR","target":"record","payload":{"canonical_record":{"source":{"id":"2204.05179","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-04-11T15:12:01Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"c2d085dcc7f0dd0a4e598decab79b7febd6efa805c8b2e1c71226b3b1a08cbbb","abstract_canon_sha256":"25bf9d52bb7ea2ce307d6527f30713c9fc5cdb514c0cdadb7ded4ce5a168a23b"},"schema_version":"1.0"},"canonical_sha256":"8535905bcb6ba922480ee30af5eccc7c43cdf15e8d796bb7f6a36ea9f9c4b630","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:13:18.261600Z","signature_b64":"c7QGo1eR4XPsSXMF6yaMm0zHS0yptiIKEUccz2p65KZHDYI3MKXvAxdUHCM+naAnAkwo6a1q3KDHVMvb3voPAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8535905bcb6ba922480ee30af5eccc7c43cdf15e8d796bb7f6a36ea9f9c4b630","last_reissued_at":"2026-07-05T04:13:18.261084Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:13:18.261084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2204.05179","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":"2026-07-05T04:13:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zxg+rV5GyWhW9SjGQbigd/NpkgZwgoUxboPWeS6Op4PUnWKZJW6E3F66IbR9kYWSJIVcHMBEBPnFjlKxBYUgBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T19:18:04.132447Z"},"content_sha256":"7dfc9de57a388dcf14d755c817ede793312edff4274ab89c8d6bd04f83409c13","schema_version":"1.0","event_id":"sha256:7dfc9de57a388dcf14d755c817ede793312edff4274ab89c8d6bd04f83409c13"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:QU2ZAW6LNOUSESAO4MFPL3GMPR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Emergent superconductivity in van der Waals Kagome material Pd3P2S8 under high pressure","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"Benchao Gong, Changhua Li, Cuiying Pei, Kai Liu, Lingling Gao, Mingxin Zhang, Qi Wang, Shihao Zhu, Weizheng Cao, Xiaole Qiu, Yanpeng Qi, Yi Zhao, Yulin Chen","submitted_at":"2022-04-11T15:12:01Z","abstract_excerpt":"Kagome lattice systems have been proposed to host rich physics, which provide an excellent platform to explore unusual quantum states. Here, we report on the discovery of superconductivity in van der Waals material Pd3P2S8 under pressure. The superconductivity is observed in Pd3P2S8 for those pressures where the temperature dependence of the resistivity changes from a semiconducting-like behavior to that of a normal metal. The superconducting transition temperature Tc increases with applied pressure and reaches ~ 6.83 K at 79.5 GPa. Combining high-pressure XRD, Raman spectroscopy and theoretic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.05179","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/2204.05179/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":"2026-07-05T04:13:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AqqOZ4NqC+wVQqXxnJWkejuQEgPlWKmW9RG38k7XQdiLHxGZpiSfm7O7/goJcs4HfRReh03rvtNOE1+jZP1EAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-12T19:18:04.132825Z"},"content_sha256":"e2c4c40b8fd39f63904f9b40de25d085ae2ab589bd01be0889141a3ff9f2d253","schema_version":"1.0","event_id":"sha256:e2c4c40b8fd39f63904f9b40de25d085ae2ab589bd01be0889141a3ff9f2d253"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QU2ZAW6LNOUSESAO4MFPL3GMPR/bundle.json","state_url":"https://pith.science/pith/QU2ZAW6LNOUSESAO4MFPL3GMPR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QU2ZAW6LNOUSESAO4MFPL3GMPR/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":"2026-07-12T19:18:04Z","links":{"resolver":"https://pith.science/pith/QU2ZAW6LNOUSESAO4MFPL3GMPR","bundle":"https://pith.science/pith/QU2ZAW6LNOUSESAO4MFPL3GMPR/bundle.json","state":"https://pith.science/pith/QU2ZAW6LNOUSESAO4MFPL3GMPR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QU2ZAW6LNOUSESAO4MFPL3GMPR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:QU2ZAW6LNOUSESAO4MFPL3GMPR","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":"25bf9d52bb7ea2ce307d6527f30713c9fc5cdb514c0cdadb7ded4ce5a168a23b","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-04-11T15:12:01Z","title_canon_sha256":"c2d085dcc7f0dd0a4e598decab79b7febd6efa805c8b2e1c71226b3b1a08cbbb"},"schema_version":"1.0","source":{"id":"2204.05179","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.05179","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"arxiv_version","alias_value":"2204.05179v1","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.05179","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"pith_short_12","alias_value":"QU2ZAW6LNOUS","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"pith_short_16","alias_value":"QU2ZAW6LNOUSESAO","created_at":"2026-07-05T04:13:18Z"},{"alias_kind":"pith_short_8","alias_value":"QU2ZAW6L","created_at":"2026-07-05T04:13:18Z"}],"graph_snapshots":[{"event_id":"sha256:e2c4c40b8fd39f63904f9b40de25d085ae2ab589bd01be0889141a3ff9f2d253","target":"graph","created_at":"2026-07-05T04:13:18Z","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/2204.05179/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Kagome lattice systems have been proposed to host rich physics, which provide an excellent platform to explore unusual quantum states. Here, we report on the discovery of superconductivity in van der Waals material Pd3P2S8 under pressure. The superconductivity is observed in Pd3P2S8 for those pressures where the temperature dependence of the resistivity changes from a semiconducting-like behavior to that of a normal metal. The superconducting transition temperature Tc increases with applied pressure and reaches ~ 6.83 K at 79.5 GPa. Combining high-pressure XRD, Raman spectroscopy and theoretic","authors_text":"Benchao Gong, Changhua Li, Cuiying Pei, Kai Liu, Lingling Gao, Mingxin Zhang, Qi Wang, Shihao Zhu, Weizheng Cao, Xiaole Qiu, Yanpeng Qi, Yi Zhao, Yulin Chen","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-04-11T15:12:01Z","title":"Emergent superconductivity in van der Waals Kagome material Pd3P2S8 under high pressure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.05179","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":"sha256:7dfc9de57a388dcf14d755c817ede793312edff4274ab89c8d6bd04f83409c13","target":"record","created_at":"2026-07-05T04:13:18Z","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":"25bf9d52bb7ea2ce307d6527f30713c9fc5cdb514c0cdadb7ded4ce5a168a23b","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2022-04-11T15:12:01Z","title_canon_sha256":"c2d085dcc7f0dd0a4e598decab79b7febd6efa805c8b2e1c71226b3b1a08cbbb"},"schema_version":"1.0","source":{"id":"2204.05179","kind":"arxiv","version":1}},"canonical_sha256":"8535905bcb6ba922480ee30af5eccc7c43cdf15e8d796bb7f6a36ea9f9c4b630","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8535905bcb6ba922480ee30af5eccc7c43cdf15e8d796bb7f6a36ea9f9c4b630","first_computed_at":"2026-07-05T04:13:18.261084Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:13:18.261084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c7QGo1eR4XPsSXMF6yaMm0zHS0yptiIKEUccz2p65KZHDYI3MKXvAxdUHCM+naAnAkwo6a1q3KDHVMvb3voPAA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:13:18.261600Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.05179","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7dfc9de57a388dcf14d755c817ede793312edff4274ab89c8d6bd04f83409c13","sha256:e2c4c40b8fd39f63904f9b40de25d085ae2ab589bd01be0889141a3ff9f2d253"],"state_sha256":"b9ec6fa9d11689bccad7536731c2ee9b29aef8acc948606521cd1dd13a0ff2fc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wW5Iywrs6+iPCKIUlnjjJaPQmEnjaZvhs+h6H4Dcgl2a8Z+W2H74ZPkT6/rXgYrusLCI9PJM+NpfKmCMs8YjBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-12T19:18:04.135425Z","bundle_sha256":"3d0516576a7032a2470758eb1e1b726f38a06069dfbdeab7c63dc8864475d55f"}}