{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:2PEWFECTLZFLZIKTOCWH5UFZRJ","short_pith_number":"pith:2PEWFECT","canonical_record":{"source":{"id":"1612.06192","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-12-19T14:21:43Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"bb10493de8ea722698b82d203cb48cf32bb22266f538a0d3f81d591dae97fab6","abstract_canon_sha256":"4999e897dcaca693f9e42402a12b007a22a09f714ae0d72d7a17be4bc07cba43"},"schema_version":"1.0"},"canonical_sha256":"d3c96290535e4abca15370ac7ed0b98a712138831c207fe612c7823acf870da1","source":{"kind":"arxiv","id":"1612.06192","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.06192","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"arxiv_version","alias_value":"1612.06192v1","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.06192","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"pith_short_12","alias_value":"2PEWFECTLZFL","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"2PEWFECTLZFLZIKT","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"2PEWFECT","created_at":"2026-05-18T12:29:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:2PEWFECTLZFLZIKTOCWH5UFZRJ","target":"record","payload":{"canonical_record":{"source":{"id":"1612.06192","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-12-19T14:21:43Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"bb10493de8ea722698b82d203cb48cf32bb22266f538a0d3f81d591dae97fab6","abstract_canon_sha256":"4999e897dcaca693f9e42402a12b007a22a09f714ae0d72d7a17be4bc07cba43"},"schema_version":"1.0"},"canonical_sha256":"d3c96290535e4abca15370ac7ed0b98a712138831c207fe612c7823acf870da1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:02.296229Z","signature_b64":"28aCwbdUMK/oNP16KT9Uek9hLEWaeveFaLgxlM/4IUhuJq9iEp/0YJnOutnILVKXuCkDZNunevpeqnsbur4RAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d3c96290535e4abca15370ac7ed0b98a712138831c207fe612c7823acf870da1","last_reissued_at":"2026-05-18T00:42:02.295657Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:02.295657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.06192","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":"2026-05-18T00:42:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QXP2IlL20gTHlKShcEcn/nURnDmLCOpN8tBpjsjx+CItjvDKdOp++xyTljiPwagKRRA4cR9qbeFMgsqiRo/4AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:49:58.041878Z"},"content_sha256":"93352a912ec66829917d24d788bae0931782c94bf8905eb2e091a677297e0985","schema_version":"1.0","event_id":"sha256:93352a912ec66829917d24d788bae0931782c94bf8905eb2e091a677297e0985"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:2PEWFECTLZFLZIKTOCWH5UFZRJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonlinear electron-phonon coupling in doped manganites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.str-el","authors_text":"H. Lemke, J.M. Glownia, M. Chollet, M. Fechner, M. F\\\"orst, M. Kawasaki, M. Nakamura, P. Beaud, R. Mankowsky, U. Staub, V. Esposito, Y. Tokura","submitted_at":"2016-12-19T14:21:43Z","abstract_excerpt":"We employ time-resolved resonant x-ray diffraction to study the melting of charge order and the associated insulator-metal transition in the doped manganite Pr$_{0.5}$Ca$_{0.5}$MnO$_3$ after resonant excitation of a high-frequency infrared-active lattice mode. We find that the charge order reduces promptly and highly nonlinearly as function of excitation fluence. Density functional theory calculations suggest that direct anharmonic coupling between the excited lattice mode and the electronic structure drive these dynamics, highlighting a new avenue of nonlinear phonon control."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.06192","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":"2026-05-18T00:42:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x8xbA/1q7kw8OsDePHhYOtLnrrV7GjOMM9+BVjrVUXM9juQC9CcB3rbtnq6rixFs+TN5o6c+F3GPxfclz68uDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T10:49:58.042235Z"},"content_sha256":"a74088afc333389e417ec737730d92da0230facdadc579f3fab74fb1fcee46e2","schema_version":"1.0","event_id":"sha256:a74088afc333389e417ec737730d92da0230facdadc579f3fab74fb1fcee46e2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2PEWFECTLZFLZIKTOCWH5UFZRJ/bundle.json","state_url":"https://pith.science/pith/2PEWFECTLZFLZIKTOCWH5UFZRJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2PEWFECTLZFLZIKTOCWH5UFZRJ/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":"2026-05-28T10:49:58Z","links":{"resolver":"https://pith.science/pith/2PEWFECTLZFLZIKTOCWH5UFZRJ","bundle":"https://pith.science/pith/2PEWFECTLZFLZIKTOCWH5UFZRJ/bundle.json","state":"https://pith.science/pith/2PEWFECTLZFLZIKTOCWH5UFZRJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2PEWFECTLZFLZIKTOCWH5UFZRJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:2PEWFECTLZFLZIKTOCWH5UFZRJ","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":"4999e897dcaca693f9e42402a12b007a22a09f714ae0d72d7a17be4bc07cba43","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-12-19T14:21:43Z","title_canon_sha256":"bb10493de8ea722698b82d203cb48cf32bb22266f538a0d3f81d591dae97fab6"},"schema_version":"1.0","source":{"id":"1612.06192","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.06192","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"arxiv_version","alias_value":"1612.06192v1","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.06192","created_at":"2026-05-18T00:42:02Z"},{"alias_kind":"pith_short_12","alias_value":"2PEWFECTLZFL","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"2PEWFECTLZFLZIKT","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"2PEWFECT","created_at":"2026-05-18T12:29:55Z"}],"graph_snapshots":[{"event_id":"sha256:a74088afc333389e417ec737730d92da0230facdadc579f3fab74fb1fcee46e2","target":"graph","created_at":"2026-05-18T00:42:02Z","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 employ time-resolved resonant x-ray diffraction to study the melting of charge order and the associated insulator-metal transition in the doped manganite Pr$_{0.5}$Ca$_{0.5}$MnO$_3$ after resonant excitation of a high-frequency infrared-active lattice mode. We find that the charge order reduces promptly and highly nonlinearly as function of excitation fluence. Density functional theory calculations suggest that direct anharmonic coupling between the excited lattice mode and the electronic structure drive these dynamics, highlighting a new avenue of nonlinear phonon control.","authors_text":"H. Lemke, J.M. Glownia, M. Chollet, M. Fechner, M. F\\\"orst, M. Kawasaki, M. Nakamura, P. Beaud, R. Mankowsky, U. Staub, V. Esposito, Y. Tokura","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-12-19T14:21:43Z","title":"Nonlinear electron-phonon coupling in doped manganites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.06192","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":"sha256:93352a912ec66829917d24d788bae0931782c94bf8905eb2e091a677297e0985","target":"record","created_at":"2026-05-18T00:42:02Z","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":"4999e897dcaca693f9e42402a12b007a22a09f714ae0d72d7a17be4bc07cba43","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2016-12-19T14:21:43Z","title_canon_sha256":"bb10493de8ea722698b82d203cb48cf32bb22266f538a0d3f81d591dae97fab6"},"schema_version":"1.0","source":{"id":"1612.06192","kind":"arxiv","version":1}},"canonical_sha256":"d3c96290535e4abca15370ac7ed0b98a712138831c207fe612c7823acf870da1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d3c96290535e4abca15370ac7ed0b98a712138831c207fe612c7823acf870da1","first_computed_at":"2026-05-18T00:42:02.295657Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:02.295657Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"28aCwbdUMK/oNP16KT9Uek9hLEWaeveFaLgxlM/4IUhuJq9iEp/0YJnOutnILVKXuCkDZNunevpeqnsbur4RAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:02.296229Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.06192","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:93352a912ec66829917d24d788bae0931782c94bf8905eb2e091a677297e0985","sha256:a74088afc333389e417ec737730d92da0230facdadc579f3fab74fb1fcee46e2"],"state_sha256":"4bb43882f83454fd4d1f4bd0ed6648e1ae5342d865e62e343821395c1af34bca"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b5eDxWFpSG5NNbWCyCtlp3aRBe+pR+ztI8ZW3n94vkHdH/HMqN7oQ+xst02QzES04ox+Lv7atZG+2OpeEt7xCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T10:49:58.044209Z","bundle_sha256":"d94ba32fef27fb3b57304ca28a4f2d38188d27c5a90efd47e4da5617dde0c54c"}}