{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:VAMSPXK74HD7QOT5MCXURKQYLC","short_pith_number":"pith:VAMSPXK7","canonical_record":{"source":{"id":"1501.02200","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-01-09T17:18:23Z","cross_cats_sorted":[],"title_canon_sha256":"dad37b4ec3651cfd9b4d59c082c1eccb86cf6ca9e292b94d146d0fab2a9bcc50","abstract_canon_sha256":"674b7b057098f231dfe41aef05298108a940a45be67c206823f9f5554b5fcb1c"},"schema_version":"1.0"},"canonical_sha256":"a81927dd5fe1c7f83a7d60af48aa185899d8f4bd814e0494faa8691815bde38d","source":{"kind":"arxiv","id":"1501.02200","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.02200","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"arxiv_version","alias_value":"1501.02200v1","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.02200","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"pith_short_12","alias_value":"VAMSPXK74HD7","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"VAMSPXK74HD7QOT5","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"VAMSPXK7","created_at":"2026-05-18T12:29:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:VAMSPXK74HD7QOT5MCXURKQYLC","target":"record","payload":{"canonical_record":{"source":{"id":"1501.02200","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-01-09T17:18:23Z","cross_cats_sorted":[],"title_canon_sha256":"dad37b4ec3651cfd9b4d59c082c1eccb86cf6ca9e292b94d146d0fab2a9bcc50","abstract_canon_sha256":"674b7b057098f231dfe41aef05298108a940a45be67c206823f9f5554b5fcb1c"},"schema_version":"1.0"},"canonical_sha256":"a81927dd5fe1c7f83a7d60af48aa185899d8f4bd814e0494faa8691815bde38d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:11.889009Z","signature_b64":"VYvddmbyMpImg8NSFdB6YrZN6pyGRh51+CdlmmiKfF91LQOD9BxKlxO8GMayYF7J0VoA278n2ClI5aFwgslYBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a81927dd5fe1c7f83a7d60af48aa185899d8f4bd814e0494faa8691815bde38d","last_reissued_at":"2026-05-18T01:41:11.888530Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:11.888530Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.02200","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":"2026-05-18T01:41:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YO5hC4vrwS0//S+NQpASLIuB8WvSuDjMu7OShj+iqd/FVa9+Dj/RpHGNt1jjWKgaZ/ZQAs7u6ueFJPg+HYwADg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:48:34.707663Z"},"content_sha256":"5582fb0dd06a9813afa00b2a53143a7b10e4f28776e42781fa9b2b1ab040e36c","schema_version":"1.0","event_id":"sha256:5582fb0dd06a9813afa00b2a53143a7b10e4f28776e42781fa9b2b1ab040e36c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:VAMSPXK74HD7QOT5MCXURKQYLC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First-principles theory of electron-spin fluctuation coupling and superconducting instabilities in iron selenide","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Allan H. MacDonald, Johannes Lischner, Marvin L. Cohen, Steven G. Louie, Timur Bazhirov","submitted_at":"2015-01-09T17:18:23Z","abstract_excerpt":"We present first-principles calculations of the coupling of quasiparticles to spin fluctuations in iron selenide and discuss which types of superconducting instabilities this coupling gives rise to. We find that strong antiferromagnetic stripe-phase spin fluctuations lead to large coupling constants for superconducting gaps with $s_\\pm$-symmetry, but these coupling constants are significantly reduced by other spin fluctuations with small wave vectors. An accurate description of this competition and an inclusion of band structure and Stoner parameter renormalization effects lead to a value of t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.02200","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":"2026-05-18T01:41:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zvqjXRbl7/0deqMdNGqf57itOYXdDGOWXsfuHbn1BoH4jPuDRQecpghA6j6axDMeIYiTRWp11FvpaqZexAgvDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T13:48:34.708358Z"},"content_sha256":"70d4a73de55fada6da13dfb2850cb10c02e13c5acc68e1604fbcbf505a7243e8","schema_version":"1.0","event_id":"sha256:70d4a73de55fada6da13dfb2850cb10c02e13c5acc68e1604fbcbf505a7243e8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VAMSPXK74HD7QOT5MCXURKQYLC/bundle.json","state_url":"https://pith.science/pith/VAMSPXK74HD7QOT5MCXURKQYLC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VAMSPXK74HD7QOT5MCXURKQYLC/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":"2026-05-27T13:48:34Z","links":{"resolver":"https://pith.science/pith/VAMSPXK74HD7QOT5MCXURKQYLC","bundle":"https://pith.science/pith/VAMSPXK74HD7QOT5MCXURKQYLC/bundle.json","state":"https://pith.science/pith/VAMSPXK74HD7QOT5MCXURKQYLC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VAMSPXK74HD7QOT5MCXURKQYLC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:VAMSPXK74HD7QOT5MCXURKQYLC","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":"674b7b057098f231dfe41aef05298108a940a45be67c206823f9f5554b5fcb1c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-01-09T17:18:23Z","title_canon_sha256":"dad37b4ec3651cfd9b4d59c082c1eccb86cf6ca9e292b94d146d0fab2a9bcc50"},"schema_version":"1.0","source":{"id":"1501.02200","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.02200","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"arxiv_version","alias_value":"1501.02200v1","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.02200","created_at":"2026-05-18T01:41:11Z"},{"alias_kind":"pith_short_12","alias_value":"VAMSPXK74HD7","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_16","alias_value":"VAMSPXK74HD7QOT5","created_at":"2026-05-18T12:29:44Z"},{"alias_kind":"pith_short_8","alias_value":"VAMSPXK7","created_at":"2026-05-18T12:29:44Z"}],"graph_snapshots":[{"event_id":"sha256:70d4a73de55fada6da13dfb2850cb10c02e13c5acc68e1604fbcbf505a7243e8","target":"graph","created_at":"2026-05-18T01:41:11Z","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":"We present first-principles calculations of the coupling of quasiparticles to spin fluctuations in iron selenide and discuss which types of superconducting instabilities this coupling gives rise to. We find that strong antiferromagnetic stripe-phase spin fluctuations lead to large coupling constants for superconducting gaps with $s_\\pm$-symmetry, but these coupling constants are significantly reduced by other spin fluctuations with small wave vectors. An accurate description of this competition and an inclusion of band structure and Stoner parameter renormalization effects lead to a value of t","authors_text":"Allan H. MacDonald, Johannes Lischner, Marvin L. Cohen, Steven G. Louie, Timur Bazhirov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-01-09T17:18:23Z","title":"First-principles theory of electron-spin fluctuation coupling and superconducting instabilities in iron selenide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.02200","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":"sha256:5582fb0dd06a9813afa00b2a53143a7b10e4f28776e42781fa9b2b1ab040e36c","target":"record","created_at":"2026-05-18T01:41:11Z","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":"674b7b057098f231dfe41aef05298108a940a45be67c206823f9f5554b5fcb1c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2015-01-09T17:18:23Z","title_canon_sha256":"dad37b4ec3651cfd9b4d59c082c1eccb86cf6ca9e292b94d146d0fab2a9bcc50"},"schema_version":"1.0","source":{"id":"1501.02200","kind":"arxiv","version":1}},"canonical_sha256":"a81927dd5fe1c7f83a7d60af48aa185899d8f4bd814e0494faa8691815bde38d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a81927dd5fe1c7f83a7d60af48aa185899d8f4bd814e0494faa8691815bde38d","first_computed_at":"2026-05-18T01:41:11.888530Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:11.888530Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VYvddmbyMpImg8NSFdB6YrZN6pyGRh51+CdlmmiKfF91LQOD9BxKlxO8GMayYF7J0VoA278n2ClI5aFwgslYBg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:11.889009Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.02200","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5582fb0dd06a9813afa00b2a53143a7b10e4f28776e42781fa9b2b1ab040e36c","sha256:70d4a73de55fada6da13dfb2850cb10c02e13c5acc68e1604fbcbf505a7243e8"],"state_sha256":"4d36906c6bd776f03168bd8dac6c9573d8f274629159cf20e7311889631c635d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0xY67uGj/Zgn3+tnA9VNzewUL9kXqLV53bQIoGdP1enM39hnfQ+i+RmVAz+kJ9Ojl0jwesSWJUqcj5ixv455DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T13:48:34.710831Z","bundle_sha256":"9a8c5cda763ede7d1cc20346647de996ec1182a44beac7244424e760d38ce000"}}