{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4JVFRCYQUVK5U7Z6ATFTJEUQXN","short_pith_number":"pith:4JVFRCYQ","canonical_record":{"source":{"id":"1306.5545","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-06-24T09:19:37Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"e62a5dec71fce7e83ce6de1e4297b3b7c806bdafc4496a2de45fd137d8f86e71","abstract_canon_sha256":"3e6513cacb5192b8f6196f6a0902e421eb73c4240eab65ce3ec70adbd3167bc9"},"schema_version":"1.0"},"canonical_sha256":"e26a588b10a555da7f3e04cb349290bb689a5e94a840a997c3b6fb40863ed44d","source":{"kind":"arxiv","id":"1306.5545","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.5545","created_at":"2026-05-18T03:02:34Z"},{"alias_kind":"arxiv_version","alias_value":"1306.5545v2","created_at":"2026-05-18T03:02:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.5545","created_at":"2026-05-18T03:02:34Z"},{"alias_kind":"pith_short_12","alias_value":"4JVFRCYQUVK5","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4JVFRCYQUVK5U7Z6","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4JVFRCYQ","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4JVFRCYQUVK5U7Z6ATFTJEUQXN","target":"record","payload":{"canonical_record":{"source":{"id":"1306.5545","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-06-24T09:19:37Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"e62a5dec71fce7e83ce6de1e4297b3b7c806bdafc4496a2de45fd137d8f86e71","abstract_canon_sha256":"3e6513cacb5192b8f6196f6a0902e421eb73c4240eab65ce3ec70adbd3167bc9"},"schema_version":"1.0"},"canonical_sha256":"e26a588b10a555da7f3e04cb349290bb689a5e94a840a997c3b6fb40863ed44d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:02:34.849155Z","signature_b64":"rJSsS+gDdEdjelVX9aCxMftSGtZyOB7nlFrzCpsr97HBXpWrw70aXb/1xk85fPZeYGRA+ElfaWf5qIBxAqiRCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e26a588b10a555da7f3e04cb349290bb689a5e94a840a997c3b6fb40863ed44d","last_reissued_at":"2026-05-18T03:02:34.848654Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:02:34.848654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.5545","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":"2026-05-18T03:02:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9R4bgBvdqyhYzEvXFqEbi+YQ69WAitOiG34eBH1slYrOrYCZac8h+DXGmpMGSS61z8KYNSodqtDaIonuDYjXAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T02:44:43.627089Z"},"content_sha256":"dbfcb2671c0f2b845316978993edc3595d2371aa59264b35f973c44c240faf20","schema_version":"1.0","event_id":"sha256:dbfcb2671c0f2b845316978993edc3595d2371aa59264b35f973c44c240faf20"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4JVFRCYQUVK5U7Z6ATFTJEUQXN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Leggett modes in iron-based superconductors as a probe of Time Reversal Symmetry Breaking","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.supr-con","authors_text":"C. Castellani, L. Benfatto, L. Fanfarillo, M. Marciani","submitted_at":"2013-06-24T09:19:37Z","abstract_excerpt":"Since their discovery, it has been suggested that pairing in pnictides can be mediated by spin fluctuations between hole and electron bands. In this view, multiband superconductivity would substantially differ from other systems like MgB2, where pairing is predominantly intraband. Indeed, interband-dominated pairing leads to the coexistence of bonding and antibonding superconducting channels. Here we show that this has profound consequences on the nature of the low-energy superconducting collective modes. In particular, the so-called Leggett mode for phase fluctuations is absent in the usual t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5545","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":"2026-05-18T03:02:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l4mBrK72h0vjtIE3sIIVVZzniZQi3ElcHKtr8wKSO4tfmXw9WG9FetyqdyEeE+8ps8avwrefp6t9/l0DEQk+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T02:44:43.627738Z"},"content_sha256":"e46ad78e33d06812e887a6270e04aac65750f903bba4ede4de19add9f3181752","schema_version":"1.0","event_id":"sha256:e46ad78e33d06812e887a6270e04aac65750f903bba4ede4de19add9f3181752"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4JVFRCYQUVK5U7Z6ATFTJEUQXN/bundle.json","state_url":"https://pith.science/pith/4JVFRCYQUVK5U7Z6ATFTJEUQXN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4JVFRCYQUVK5U7Z6ATFTJEUQXN/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":"2026-06-07T02:44:43Z","links":{"resolver":"https://pith.science/pith/4JVFRCYQUVK5U7Z6ATFTJEUQXN","bundle":"https://pith.science/pith/4JVFRCYQUVK5U7Z6ATFTJEUQXN/bundle.json","state":"https://pith.science/pith/4JVFRCYQUVK5U7Z6ATFTJEUQXN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4JVFRCYQUVK5U7Z6ATFTJEUQXN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4JVFRCYQUVK5U7Z6ATFTJEUQXN","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":"3e6513cacb5192b8f6196f6a0902e421eb73c4240eab65ce3ec70adbd3167bc9","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-06-24T09:19:37Z","title_canon_sha256":"e62a5dec71fce7e83ce6de1e4297b3b7c806bdafc4496a2de45fd137d8f86e71"},"schema_version":"1.0","source":{"id":"1306.5545","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.5545","created_at":"2026-05-18T03:02:34Z"},{"alias_kind":"arxiv_version","alias_value":"1306.5545v2","created_at":"2026-05-18T03:02:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.5545","created_at":"2026-05-18T03:02:34Z"},{"alias_kind":"pith_short_12","alias_value":"4JVFRCYQUVK5","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4JVFRCYQUVK5U7Z6","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4JVFRCYQ","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:e46ad78e33d06812e887a6270e04aac65750f903bba4ede4de19add9f3181752","target":"graph","created_at":"2026-05-18T03:02:34Z","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":"Since their discovery, it has been suggested that pairing in pnictides can be mediated by spin fluctuations between hole and electron bands. In this view, multiband superconductivity would substantially differ from other systems like MgB2, where pairing is predominantly intraband. Indeed, interband-dominated pairing leads to the coexistence of bonding and antibonding superconducting channels. Here we show that this has profound consequences on the nature of the low-energy superconducting collective modes. In particular, the so-called Leggett mode for phase fluctuations is absent in the usual t","authors_text":"C. Castellani, L. Benfatto, L. Fanfarillo, M. Marciani","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-06-24T09:19:37Z","title":"Leggett modes in iron-based superconductors as a probe of Time Reversal Symmetry Breaking"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.5545","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:dbfcb2671c0f2b845316978993edc3595d2371aa59264b35f973c44c240faf20","target":"record","created_at":"2026-05-18T03:02:34Z","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":"3e6513cacb5192b8f6196f6a0902e421eb73c4240eab65ce3ec70adbd3167bc9","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2013-06-24T09:19:37Z","title_canon_sha256":"e62a5dec71fce7e83ce6de1e4297b3b7c806bdafc4496a2de45fd137d8f86e71"},"schema_version":"1.0","source":{"id":"1306.5545","kind":"arxiv","version":2}},"canonical_sha256":"e26a588b10a555da7f3e04cb349290bb689a5e94a840a997c3b6fb40863ed44d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e26a588b10a555da7f3e04cb349290bb689a5e94a840a997c3b6fb40863ed44d","first_computed_at":"2026-05-18T03:02:34.848654Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:02:34.848654Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"rJSsS+gDdEdjelVX9aCxMftSGtZyOB7nlFrzCpsr97HBXpWrw70aXb/1xk85fPZeYGRA+ElfaWf5qIBxAqiRCg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:02:34.849155Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.5545","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dbfcb2671c0f2b845316978993edc3595d2371aa59264b35f973c44c240faf20","sha256:e46ad78e33d06812e887a6270e04aac65750f903bba4ede4de19add9f3181752"],"state_sha256":"922a66d7c4c8c8ee7163fc4c0664cf6a932b75dc806978d0ea4b31f2e8385026"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lnXtHBIK17Dd7WOG3i+4RvVqY4xPhTGsBYfLGkCSdUR3zg0KRWWlOl3TDKKcmg2I5ia304SswmX4xF87U9IDBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T02:44:43.630981Z","bundle_sha256":"856a35a65897c8de311d4b937af33f58804989e9b25c3e38c4378d6d0acc1fb1"}}