{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:3JQE543FSBSMBDAM7377JO74HD","short_pith_number":"pith:3JQE543F","canonical_record":{"source":{"id":"1805.02820","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-05-08T03:51:40Z","cross_cats_sorted":[],"title_canon_sha256":"35bd9e657a3c9c32e9614147c608bf36fec7c0ab6f05f03682d2331407ee2a9e","abstract_canon_sha256":"742df50e750fbaefeeb510fd1094d5501841e64504f122f815f106197aca6331"},"schema_version":"1.0"},"canonical_sha256":"da604ef3659064c08c0cfefff4bbfc38d1d3119a3094d6fece5b58b1be634f69","source":{"kind":"arxiv","id":"1805.02820","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02820","created_at":"2026-05-18T00:09:14Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02820v1","created_at":"2026-05-18T00:09:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02820","created_at":"2026-05-18T00:09:14Z"},{"alias_kind":"pith_short_12","alias_value":"3JQE543FSBSM","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"3JQE543FSBSMBDAM","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"3JQE543F","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:3JQE543FSBSMBDAM7377JO74HD","target":"record","payload":{"canonical_record":{"source":{"id":"1805.02820","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-05-08T03:51:40Z","cross_cats_sorted":[],"title_canon_sha256":"35bd9e657a3c9c32e9614147c608bf36fec7c0ab6f05f03682d2331407ee2a9e","abstract_canon_sha256":"742df50e750fbaefeeb510fd1094d5501841e64504f122f815f106197aca6331"},"schema_version":"1.0"},"canonical_sha256":"da604ef3659064c08c0cfefff4bbfc38d1d3119a3094d6fece5b58b1be634f69","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:09:14.111705Z","signature_b64":"XtFGVgIoHLsCa8SwbCbP7tuPaKXORDeyvVObl9q8YBxTJ87fq94As1XZ33iSSEvDhyiZOseVb1ym2XXvr47xAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da604ef3659064c08c0cfefff4bbfc38d1d3119a3094d6fece5b58b1be634f69","last_reissued_at":"2026-05-18T00:09:14.111206Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:09:14.111206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.02820","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":"2026-05-18T00:09:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y0PwXCdlB+3blicbAC75Ij3MSIQSP0u+UMHp7I/bmoOJhMBQbSqTK+I+ailofK1hhZpu2sYGxvGrDw8cHGdABQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T09:06:56.414981Z"},"content_sha256":"a6df31202fc55ec66a123f76b548157e87149db0e3bb035655ad2ae1dfe9a8a5","schema_version":"1.0","event_id":"sha256:a6df31202fc55ec66a123f76b548157e87149db0e3bb035655ad2ae1dfe9a8a5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:3JQE543FSBSMBDAM7377JO74HD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Structural phase transition, precursory electronic anomaly and strong-coupling superconductivity in quasi-skutterudite (Sr$_{1-x}$Ca$_{x}$)$_{3}$Ir$_{4}$Sn$_{13}$ and Ca$_{3}$Rh$_{4}$Sn$_{13}$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Guo-qing Zheng, Jie Yang, Jun Luo, S. Maeda, Zheng Li","submitted_at":"2018-05-08T03:51:40Z","abstract_excerpt":"The interplay between superconductivity and structural phase transition has attracted enormous interests in recent years. For example, in Fe-pnictide high temperature superconductors, quantum fluctuations in association with structural phase transition have been proposed to lead to many novel physical properties and even the superconductivity itself. Here we report a finding that the quasi-skutterudite superconductors (Sr$_{1-x}$Ca$_{x}$)$_{3}$Ir$_{4}$Sn$_{13}$ ($x$ = 0, 0.5, 1) and Ca$_{3}$Rh$_{4}$Sn$_{13}$ show some unusual properties similar to the Fe-pnictides, through $^{119}$Sn nuclear m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02820","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":"2026-05-18T00:09:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"COCwBCBIwQuuDhGbpMwONhHcsmkADoLf5I3CZHsVfq2lWM8ZX8EEmrkEmIdPVuV/r8KqggXkFYXrEShyZni9Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T09:06:56.415634Z"},"content_sha256":"b36fcd13fa3ea6c1ce8d0410e49b6745abeec4fb6c4fb12fd01099f141224880","schema_version":"1.0","event_id":"sha256:b36fcd13fa3ea6c1ce8d0410e49b6745abeec4fb6c4fb12fd01099f141224880"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3JQE543FSBSMBDAM7377JO74HD/bundle.json","state_url":"https://pith.science/pith/3JQE543FSBSMBDAM7377JO74HD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3JQE543FSBSMBDAM7377JO74HD/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":"2026-05-27T09:06:56Z","links":{"resolver":"https://pith.science/pith/3JQE543FSBSMBDAM7377JO74HD","bundle":"https://pith.science/pith/3JQE543FSBSMBDAM7377JO74HD/bundle.json","state":"https://pith.science/pith/3JQE543FSBSMBDAM7377JO74HD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3JQE543FSBSMBDAM7377JO74HD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:3JQE543FSBSMBDAM7377JO74HD","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":"742df50e750fbaefeeb510fd1094d5501841e64504f122f815f106197aca6331","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-05-08T03:51:40Z","title_canon_sha256":"35bd9e657a3c9c32e9614147c608bf36fec7c0ab6f05f03682d2331407ee2a9e"},"schema_version":"1.0","source":{"id":"1805.02820","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.02820","created_at":"2026-05-18T00:09:14Z"},{"alias_kind":"arxiv_version","alias_value":"1805.02820v1","created_at":"2026-05-18T00:09:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.02820","created_at":"2026-05-18T00:09:14Z"},{"alias_kind":"pith_short_12","alias_value":"3JQE543FSBSM","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"3JQE543FSBSMBDAM","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"3JQE543F","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:b36fcd13fa3ea6c1ce8d0410e49b6745abeec4fb6c4fb12fd01099f141224880","target":"graph","created_at":"2026-05-18T00:09:14Z","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":"The interplay between superconductivity and structural phase transition has attracted enormous interests in recent years. For example, in Fe-pnictide high temperature superconductors, quantum fluctuations in association with structural phase transition have been proposed to lead to many novel physical properties and even the superconductivity itself. Here we report a finding that the quasi-skutterudite superconductors (Sr$_{1-x}$Ca$_{x}$)$_{3}$Ir$_{4}$Sn$_{13}$ ($x$ = 0, 0.5, 1) and Ca$_{3}$Rh$_{4}$Sn$_{13}$ show some unusual properties similar to the Fe-pnictides, through $^{119}$Sn nuclear m","authors_text":"Guo-qing Zheng, Jie Yang, Jun Luo, S. Maeda, Zheng Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-05-08T03:51:40Z","title":"Structural phase transition, precursory electronic anomaly and strong-coupling superconductivity in quasi-skutterudite (Sr$_{1-x}$Ca$_{x}$)$_{3}$Ir$_{4}$Sn$_{13}$ and Ca$_{3}$Rh$_{4}$Sn$_{13}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.02820","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:a6df31202fc55ec66a123f76b548157e87149db0e3bb035655ad2ae1dfe9a8a5","target":"record","created_at":"2026-05-18T00:09:14Z","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":"742df50e750fbaefeeb510fd1094d5501841e64504f122f815f106197aca6331","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-05-08T03:51:40Z","title_canon_sha256":"35bd9e657a3c9c32e9614147c608bf36fec7c0ab6f05f03682d2331407ee2a9e"},"schema_version":"1.0","source":{"id":"1805.02820","kind":"arxiv","version":1}},"canonical_sha256":"da604ef3659064c08c0cfefff4bbfc38d1d3119a3094d6fece5b58b1be634f69","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"da604ef3659064c08c0cfefff4bbfc38d1d3119a3094d6fece5b58b1be634f69","first_computed_at":"2026-05-18T00:09:14.111206Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:09:14.111206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XtFGVgIoHLsCa8SwbCbP7tuPaKXORDeyvVObl9q8YBxTJ87fq94As1XZ33iSSEvDhyiZOseVb1ym2XXvr47xAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:09:14.111705Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.02820","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a6df31202fc55ec66a123f76b548157e87149db0e3bb035655ad2ae1dfe9a8a5","sha256:b36fcd13fa3ea6c1ce8d0410e49b6745abeec4fb6c4fb12fd01099f141224880"],"state_sha256":"00b23939eaad2db4bf74ad2ab979098c5ddf25ee61041f011d9790d8b25252ba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+r9YodMz6cegkAxIb3mlUC2Mz7i0KH+eJYOxL9DJzSeQh/2LR3H5EEFuYcrfp3Ew6MMnYTju2TpSRKBgZ2I/Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T09:06:56.419032Z","bundle_sha256":"c4f8ad8d96910944256fe34d97f51121ba4c5d4f0cc119b398a669a83042a613"}}