{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:O6V4PQHAI24Q6IJGUEBJQ7BSMN","short_pith_number":"pith:O6V4PQHA","canonical_record":{"source":{"id":"1504.06841","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-04-26T16:13:40Z","cross_cats_sorted":[],"title_canon_sha256":"e1ef6ccce1e79b82ed6f8730715f43e6cc0309b823934799d386fc9b30d48334","abstract_canon_sha256":"a692a9991b657b91ab02fd1c7c0a29408a386310929d617bd15980855be26b25"},"schema_version":"1.0"},"canonical_sha256":"77abc7c0e046b90f2126a102987c32636fd643f6f9eceebcb26e50abe01c0356","source":{"kind":"arxiv","id":"1504.06841","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.06841","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"arxiv_version","alias_value":"1504.06841v2","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.06841","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"pith_short_12","alias_value":"O6V4PQHAI24Q","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"O6V4PQHAI24Q6IJG","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"O6V4PQHA","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:O6V4PQHAI24Q6IJGUEBJQ7BSMN","target":"record","payload":{"canonical_record":{"source":{"id":"1504.06841","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-04-26T16:13:40Z","cross_cats_sorted":[],"title_canon_sha256":"e1ef6ccce1e79b82ed6f8730715f43e6cc0309b823934799d386fc9b30d48334","abstract_canon_sha256":"a692a9991b657b91ab02fd1c7c0a29408a386310929d617bd15980855be26b25"},"schema_version":"1.0"},"canonical_sha256":"77abc7c0e046b90f2126a102987c32636fd643f6f9eceebcb26e50abe01c0356","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:34:23.315537Z","signature_b64":"pQnZvqzl5+j3ejTeo7RiDq8QGh8CIlkrv4vZQclpa4X/AwGrTzOmPsAFzSGU1PTYkw21GPv+4LZYO9Ol315sAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"77abc7c0e046b90f2126a102987c32636fd643f6f9eceebcb26e50abe01c0356","last_reissued_at":"2026-05-18T01:34:23.314850Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:34:23.314850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.06841","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":"2026-05-18T01:34:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g/cKHnsbyN860TtyJyBYUppOS4I1PbMa1LChcyUhisCOCfKYVPwp2IRUqlQ3ShknlT8IkqscFHf3UOSQfIVPBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:39:01.023534Z"},"content_sha256":"3e863bb8cc120ddb0a69b4b8b9f5d9c2c9f92dc75c008dccc59ad8f62ba1fe02","schema_version":"1.0","event_id":"sha256:3e863bb8cc120ddb0a69b4b8b9f5d9c2c9f92dc75c008dccc59ad8f62ba1fe02"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:O6V4PQHAI24Q6IJGUEBJQ7BSMN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Manifestation of nematic degrees of freedom in the Raman response function of iron pnictides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Florian Kretzschmar, Indranil Paul, Joerg Schmalian, Rudi Hackl, Thomas Boehm, Una Karahasanovic, Yann Gallais","submitted_at":"2015-04-26T16:13:40Z","abstract_excerpt":"We establish a relation between the Raman response function in the $B_{1g}$ channel and the electronic contribution to the nematic susceptibility within the spin-driven approach to electron nematicity of the iron based superconductors. The spin-driven nematic phase, characterized by the broken $C_4$ symmetry, but unbroken $O(3$) spin-rotational symmetry, is generated by the presence of magnetic fluctuations associated with the striped phase. It occurs as a separate phase between $T_N$ and $T_s$ in systems where the structural and magnetic phase transitions are separated. Detecting the presence"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.06841","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":"2026-05-18T01:34:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1AGtKfhl8f7ZYBkvqN1viP2vZJB7YRSPP4MQMWWT2by024XBlNGn7tYNm5+mEZOYxiBllLdIY3BAu7ZJFm7GCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T19:39:01.024293Z"},"content_sha256":"f762fd891814dcf3e8c2883600afb8eedd15d0f36cfbfc8f62b6fa1cd6092b23","schema_version":"1.0","event_id":"sha256:f762fd891814dcf3e8c2883600afb8eedd15d0f36cfbfc8f62b6fa1cd6092b23"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O6V4PQHAI24Q6IJGUEBJQ7BSMN/bundle.json","state_url":"https://pith.science/pith/O6V4PQHAI24Q6IJGUEBJQ7BSMN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O6V4PQHAI24Q6IJGUEBJQ7BSMN/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":"2026-05-29T19:39:01Z","links":{"resolver":"https://pith.science/pith/O6V4PQHAI24Q6IJGUEBJQ7BSMN","bundle":"https://pith.science/pith/O6V4PQHAI24Q6IJGUEBJQ7BSMN/bundle.json","state":"https://pith.science/pith/O6V4PQHAI24Q6IJGUEBJQ7BSMN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O6V4PQHAI24Q6IJGUEBJQ7BSMN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:O6V4PQHAI24Q6IJGUEBJQ7BSMN","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":"a692a9991b657b91ab02fd1c7c0a29408a386310929d617bd15980855be26b25","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-04-26T16:13:40Z","title_canon_sha256":"e1ef6ccce1e79b82ed6f8730715f43e6cc0309b823934799d386fc9b30d48334"},"schema_version":"1.0","source":{"id":"1504.06841","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.06841","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"arxiv_version","alias_value":"1504.06841v2","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.06841","created_at":"2026-05-18T01:34:23Z"},{"alias_kind":"pith_short_12","alias_value":"O6V4PQHAI24Q","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"O6V4PQHAI24Q6IJG","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"O6V4PQHA","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:f762fd891814dcf3e8c2883600afb8eedd15d0f36cfbfc8f62b6fa1cd6092b23","target":"graph","created_at":"2026-05-18T01:34:23Z","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 establish a relation between the Raman response function in the $B_{1g}$ channel and the electronic contribution to the nematic susceptibility within the spin-driven approach to electron nematicity of the iron based superconductors. The spin-driven nematic phase, characterized by the broken $C_4$ symmetry, but unbroken $O(3$) spin-rotational symmetry, is generated by the presence of magnetic fluctuations associated with the striped phase. It occurs as a separate phase between $T_N$ and $T_s$ in systems where the structural and magnetic phase transitions are separated. Detecting the presence","authors_text":"Florian Kretzschmar, Indranil Paul, Joerg Schmalian, Rudi Hackl, Thomas Boehm, Una Karahasanovic, Yann Gallais","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-04-26T16:13:40Z","title":"Manifestation of nematic degrees of freedom in the Raman response function of iron pnictides"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.06841","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":"sha256:3e863bb8cc120ddb0a69b4b8b9f5d9c2c9f92dc75c008dccc59ad8f62ba1fe02","target":"record","created_at":"2026-05-18T01:34:23Z","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":"a692a9991b657b91ab02fd1c7c0a29408a386310929d617bd15980855be26b25","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2015-04-26T16:13:40Z","title_canon_sha256":"e1ef6ccce1e79b82ed6f8730715f43e6cc0309b823934799d386fc9b30d48334"},"schema_version":"1.0","source":{"id":"1504.06841","kind":"arxiv","version":2}},"canonical_sha256":"77abc7c0e046b90f2126a102987c32636fd643f6f9eceebcb26e50abe01c0356","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"77abc7c0e046b90f2126a102987c32636fd643f6f9eceebcb26e50abe01c0356","first_computed_at":"2026-05-18T01:34:23.314850Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:34:23.314850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pQnZvqzl5+j3ejTeo7RiDq8QGh8CIlkrv4vZQclpa4X/AwGrTzOmPsAFzSGU1PTYkw21GPv+4LZYO9Ol315sAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:34:23.315537Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.06841","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3e863bb8cc120ddb0a69b4b8b9f5d9c2c9f92dc75c008dccc59ad8f62ba1fe02","sha256:f762fd891814dcf3e8c2883600afb8eedd15d0f36cfbfc8f62b6fa1cd6092b23"],"state_sha256":"fad96c7c56e34a75d0abb09484ed2bc57f14d8d81668dce20bb9b626203a0269"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3Ee2ta/Lj/saKCXUhYLFFIAScBa75BwqxknY2D30XiegmDooNmU2xUATz8vVrkUnRs5cEShgTWzMBTjz/kEZCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T19:39:01.028278Z","bundle_sha256":"bc3b1df3708b6df96427213dabadb0b3011d47dc0a699e0061dfd13a8e8bebc6"}}