{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:QIN4PD5J5YUIOBIQ3VJ5VPWVRC","short_pith_number":"pith:QIN4PD5J","canonical_record":{"source":{"id":"1806.04036","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-06-11T15:01:20Z","cross_cats_sorted":[],"title_canon_sha256":"b27a4970fddbeb5cfd3231f72be98b3975ed317271c73572a52f8a6191fc6a5c","abstract_canon_sha256":"dc4c376bbcb6a37db5b9bcf3aa615fb66cc56bf32084c544fd8d4f8110da426e"},"schema_version":"1.0"},"canonical_sha256":"821bc78fa9ee28870510dd53dabed588a3c6c7ed7c47db69dbe34cf5a0bfe5a6","source":{"kind":"arxiv","id":"1806.04036","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.04036","created_at":"2026-05-18T00:02:44Z"},{"alias_kind":"arxiv_version","alias_value":"1806.04036v2","created_at":"2026-05-18T00:02:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.04036","created_at":"2026-05-18T00:02:44Z"},{"alias_kind":"pith_short_12","alias_value":"QIN4PD5J5YUI","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QIN4PD5J5YUIOBIQ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QIN4PD5J","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:QIN4PD5J5YUIOBIQ3VJ5VPWVRC","target":"record","payload":{"canonical_record":{"source":{"id":"1806.04036","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-06-11T15:01:20Z","cross_cats_sorted":[],"title_canon_sha256":"b27a4970fddbeb5cfd3231f72be98b3975ed317271c73572a52f8a6191fc6a5c","abstract_canon_sha256":"dc4c376bbcb6a37db5b9bcf3aa615fb66cc56bf32084c544fd8d4f8110da426e"},"schema_version":"1.0"},"canonical_sha256":"821bc78fa9ee28870510dd53dabed588a3c6c7ed7c47db69dbe34cf5a0bfe5a6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:02:44.751004Z","signature_b64":"vAQTsLVStB9mzj+XFAPLczoDaWSR7A0/EcA9kC4XlU8n9U6J1zfoKXeOghzY80aSirgFDfOZXtf2C0WE3dxzCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"821bc78fa9ee28870510dd53dabed588a3c6c7ed7c47db69dbe34cf5a0bfe5a6","last_reissued_at":"2026-05-18T00:02:44.750590Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:02:44.750590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.04036","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:02:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6aAXlJ6k39I4ua49M5VzCK+iVad7NXzw8m6h7mACoCOxsYyENuwLXZJIcIV4MxY8k0p+d5eBrgwSbrIfLXodCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T02:27:26.392994Z"},"content_sha256":"53eba8068ce7002a2c335216be1b6b689594c94d12f66056b0e9d5d6f24125c0","schema_version":"1.0","event_id":"sha256:53eba8068ce7002a2c335216be1b6b689594c94d12f66056b0e9d5d6f24125c0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:QIN4PD5J5YUIOBIQ3VJ5VPWVRC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two-dome superconductivity in FeS induced by a Lifshitz transition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Daniel Guterding, Harald O. Jeschke, Makoto Shimizu, Nayuta Takemori","submitted_at":"2018-06-11T15:01:20Z","abstract_excerpt":"Among iron chalcogenide superconductors, FeS can be viewed as a simple, highly compressed relative of FeSe without nematic phase and with weaker electronic correlations. Under pressure, however, the superconductivity of stoichiometric FeS disappears and reappears, forming two domes. We perform electronic structure and spin fluctuation theory calculations for tetragonal FeS in order to analyze the nature of the superconducting order parameter. In the random phase approximation we find a gap function with d-wave symmetry at ambient pressure, in agreement with several reports of a nodal supercond"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.04036","kind":"arxiv","version":2},"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":"2026-05-18T00:02:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NW6O6jflccIJgJ6A7yGicLJj60s5xq666QNHKW5+Ec7jRYIGojPxvL+ITuJZNXx5kaPsgAZYw8caBvpY44aBBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T02:27:26.393626Z"},"content_sha256":"6f7bd9b9e683803d1c8f43c20e7987aaa097d9d388985b4edb2e804b3def29b2","schema_version":"1.0","event_id":"sha256:6f7bd9b9e683803d1c8f43c20e7987aaa097d9d388985b4edb2e804b3def29b2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QIN4PD5J5YUIOBIQ3VJ5VPWVRC/bundle.json","state_url":"https://pith.science/pith/QIN4PD5J5YUIOBIQ3VJ5VPWVRC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QIN4PD5J5YUIOBIQ3VJ5VPWVRC/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":"2026-06-05T02:27:26Z","links":{"resolver":"https://pith.science/pith/QIN4PD5J5YUIOBIQ3VJ5VPWVRC","bundle":"https://pith.science/pith/QIN4PD5J5YUIOBIQ3VJ5VPWVRC/bundle.json","state":"https://pith.science/pith/QIN4PD5J5YUIOBIQ3VJ5VPWVRC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QIN4PD5J5YUIOBIQ3VJ5VPWVRC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QIN4PD5J5YUIOBIQ3VJ5VPWVRC","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":"dc4c376bbcb6a37db5b9bcf3aa615fb66cc56bf32084c544fd8d4f8110da426e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-06-11T15:01:20Z","title_canon_sha256":"b27a4970fddbeb5cfd3231f72be98b3975ed317271c73572a52f8a6191fc6a5c"},"schema_version":"1.0","source":{"id":"1806.04036","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.04036","created_at":"2026-05-18T00:02:44Z"},{"alias_kind":"arxiv_version","alias_value":"1806.04036v2","created_at":"2026-05-18T00:02:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.04036","created_at":"2026-05-18T00:02:44Z"},{"alias_kind":"pith_short_12","alias_value":"QIN4PD5J5YUI","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QIN4PD5J5YUIOBIQ","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QIN4PD5J","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:6f7bd9b9e683803d1c8f43c20e7987aaa097d9d388985b4edb2e804b3def29b2","target":"graph","created_at":"2026-05-18T00:02:44Z","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":"Among iron chalcogenide superconductors, FeS can be viewed as a simple, highly compressed relative of FeSe without nematic phase and with weaker electronic correlations. Under pressure, however, the superconductivity of stoichiometric FeS disappears and reappears, forming two domes. We perform electronic structure and spin fluctuation theory calculations for tetragonal FeS in order to analyze the nature of the superconducting order parameter. In the random phase approximation we find a gap function with d-wave symmetry at ambient pressure, in agreement with several reports of a nodal supercond","authors_text":"Daniel Guterding, Harald O. Jeschke, Makoto Shimizu, Nayuta Takemori","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-06-11T15:01:20Z","title":"Two-dome superconductivity in FeS induced by a Lifshitz transition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.04036","kind":"arxiv","version":2},"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":"sha256:53eba8068ce7002a2c335216be1b6b689594c94d12f66056b0e9d5d6f24125c0","target":"record","created_at":"2026-05-18T00:02:44Z","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":"dc4c376bbcb6a37db5b9bcf3aa615fb66cc56bf32084c544fd8d4f8110da426e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2018-06-11T15:01:20Z","title_canon_sha256":"b27a4970fddbeb5cfd3231f72be98b3975ed317271c73572a52f8a6191fc6a5c"},"schema_version":"1.0","source":{"id":"1806.04036","kind":"arxiv","version":2}},"canonical_sha256":"821bc78fa9ee28870510dd53dabed588a3c6c7ed7c47db69dbe34cf5a0bfe5a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"821bc78fa9ee28870510dd53dabed588a3c6c7ed7c47db69dbe34cf5a0bfe5a6","first_computed_at":"2026-05-18T00:02:44.750590Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:02:44.750590Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vAQTsLVStB9mzj+XFAPLczoDaWSR7A0/EcA9kC4XlU8n9U6J1zfoKXeOghzY80aSirgFDfOZXtf2C0WE3dxzCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:02:44.751004Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.04036","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53eba8068ce7002a2c335216be1b6b689594c94d12f66056b0e9d5d6f24125c0","sha256:6f7bd9b9e683803d1c8f43c20e7987aaa097d9d388985b4edb2e804b3def29b2"],"state_sha256":"9caf17263a3b2cf5804084dd4eb6a7ca08aa25d28acb8560f92934f0d78d6054"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QvhiHhA+PT7Yi8njBRrhATRD+IVWQjMYEEmNIEIn7TvPEELH5oKm2gX+YvI4DsyqMCht42ns9q4P8+/fqWC5CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T02:27:26.398887Z","bundle_sha256":"68427c1ce3b1fc5e702cab3063a0c6ce8722d8eaad6631636403871cf30c6eb0"}}