{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:VEUYDIASRBACXXF2HHZ4LDYF2I","short_pith_number":"pith:VEUYDIAS","canonical_record":{"source":{"id":"0801.3737","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2008-01-24T20:58:12Z","cross_cats_sorted":[],"title_canon_sha256":"74e63add3cba205ee45da51c722e0887f3fc9cfe1f724274b7741acd2a2977ca","abstract_canon_sha256":"60c9a12c0a6b71c14e1d4fbff347769e00944840d22365a2b40fd33f7de47ead"},"schema_version":"1.0"},"canonical_sha256":"a92981a01288402bdcba39f3c58f05d2102fc670b85390732392d02f1d1eaed4","source":{"kind":"arxiv","id":"0801.3737","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0801.3737","created_at":"2026-05-18T01:09:24Z"},{"alias_kind":"arxiv_version","alias_value":"0801.3737v1","created_at":"2026-05-18T01:09:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0801.3737","created_at":"2026-05-18T01:09:24Z"},{"alias_kind":"pith_short_12","alias_value":"VEUYDIASRBAC","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"VEUYDIASRBACXXF2","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"VEUYDIAS","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:VEUYDIASRBACXXF2HHZ4LDYF2I","target":"record","payload":{"canonical_record":{"source":{"id":"0801.3737","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2008-01-24T20:58:12Z","cross_cats_sorted":[],"title_canon_sha256":"74e63add3cba205ee45da51c722e0887f3fc9cfe1f724274b7741acd2a2977ca","abstract_canon_sha256":"60c9a12c0a6b71c14e1d4fbff347769e00944840d22365a2b40fd33f7de47ead"},"schema_version":"1.0"},"canonical_sha256":"a92981a01288402bdcba39f3c58f05d2102fc670b85390732392d02f1d1eaed4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:24.544347Z","signature_b64":"bTlCtfRjeYeZXtCnlDdTD4byU/Nle2h90mqRtMWZk8WR22wM52mmQv/YpzH67irwmMTxWIbIC+LpidSChecLDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a92981a01288402bdcba39f3c58f05d2102fc670b85390732392d02f1d1eaed4","last_reissued_at":"2026-05-18T01:09:24.543966Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:24.543966Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0801.3737","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":"2026-05-18T01:09:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RpC36ILj9YhGYGHhzOhI8a+o0Mg7Gk9plgE+kDuKOkZ9JZe7wDj0VvCZBBgxvqxUBgYwTR76PKEGHxHOjYoWAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:28:40.791526Z"},"content_sha256":"fa58c8c1b9d3197fc3f65fa9888d57aab63b0edb6f86d40905cf375e9da3a7b7","schema_version":"1.0","event_id":"sha256:fa58c8c1b9d3197fc3f65fa9888d57aab63b0edb6f86d40905cf375e9da3a7b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:VEUYDIASRBACXXF2HHZ4LDYF2I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Raman scattering studies of temperature- and field-induced melting of charge order in (La,Pr,Ca)MnO$_{3}$","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"C. L. Zhang, E. Fradkin, H. Barath, M. Kim, M. R\\\"ubhausen, P. Abbamonte, S.L. Cooper, S-W. Cheong","submitted_at":"2008-01-24T20:58:12Z","abstract_excerpt":"We present Raman scattering studies of the structural and magnetic phases that accompany temperature- and field-dependent melting of charge- and orbital-order (COO) in La0.5Ca0.5MnO3 and La0.25Pr0.375Ca0.375MnO3. Our results show that thermal and field-induced COO melting in La0.5Ca0.5MnO3 exhibits three stages in a heterogeneous melting process associated with a structural change: a long-range, strongly JT distorted/COO regime; a coexistence regime; and weakly JT distorted/PM or FM phase. We provide a complete structural phase diagram of La0.5Ca0.5MnO3 for the temperature and field ranges 6<="},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0801.3737","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":"2026-05-18T01:09:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AFPo/Pi43NFIGcKiEsAxwUp2xnRxgynDmKahJ+eKL2v52NtL/b5Jxf7c9qWskKCiWvQZPTpxdHfqQwAXAQ7vDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:28:40.792162Z"},"content_sha256":"2a447f3bd8d23e7f61997bb56291e22665646c623971bcad344e91ff9dbd1d1c","schema_version":"1.0","event_id":"sha256:2a447f3bd8d23e7f61997bb56291e22665646c623971bcad344e91ff9dbd1d1c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VEUYDIASRBACXXF2HHZ4LDYF2I/bundle.json","state_url":"https://pith.science/pith/VEUYDIASRBACXXF2HHZ4LDYF2I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VEUYDIASRBACXXF2HHZ4LDYF2I/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":"2026-05-27T17:28:40Z","links":{"resolver":"https://pith.science/pith/VEUYDIASRBACXXF2HHZ4LDYF2I","bundle":"https://pith.science/pith/VEUYDIASRBACXXF2HHZ4LDYF2I/bundle.json","state":"https://pith.science/pith/VEUYDIASRBACXXF2HHZ4LDYF2I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VEUYDIASRBACXXF2HHZ4LDYF2I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:VEUYDIASRBACXXF2HHZ4LDYF2I","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":"60c9a12c0a6b71c14e1d4fbff347769e00944840d22365a2b40fd33f7de47ead","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2008-01-24T20:58:12Z","title_canon_sha256":"74e63add3cba205ee45da51c722e0887f3fc9cfe1f724274b7741acd2a2977ca"},"schema_version":"1.0","source":{"id":"0801.3737","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0801.3737","created_at":"2026-05-18T01:09:24Z"},{"alias_kind":"arxiv_version","alias_value":"0801.3737v1","created_at":"2026-05-18T01:09:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0801.3737","created_at":"2026-05-18T01:09:24Z"},{"alias_kind":"pith_short_12","alias_value":"VEUYDIASRBAC","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"VEUYDIASRBACXXF2","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"VEUYDIAS","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:2a447f3bd8d23e7f61997bb56291e22665646c623971bcad344e91ff9dbd1d1c","target":"graph","created_at":"2026-05-18T01:09:24Z","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 Raman scattering studies of the structural and magnetic phases that accompany temperature- and field-dependent melting of charge- and orbital-order (COO) in La0.5Ca0.5MnO3 and La0.25Pr0.375Ca0.375MnO3. Our results show that thermal and field-induced COO melting in La0.5Ca0.5MnO3 exhibits three stages in a heterogeneous melting process associated with a structural change: a long-range, strongly JT distorted/COO regime; a coexistence regime; and weakly JT distorted/PM or FM phase. We provide a complete structural phase diagram of La0.5Ca0.5MnO3 for the temperature and field ranges 6<=","authors_text":"C. L. Zhang, E. Fradkin, H. Barath, M. Kim, M. R\\\"ubhausen, P. Abbamonte, S.L. Cooper, S-W. Cheong","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.str-el","submitted_at":"2008-01-24T20:58:12Z","title":"Raman scattering studies of temperature- and field-induced melting of charge order in (La,Pr,Ca)MnO$_{3}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0801.3737","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:fa58c8c1b9d3197fc3f65fa9888d57aab63b0edb6f86d40905cf375e9da3a7b7","target":"record","created_at":"2026-05-18T01:09:24Z","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":"60c9a12c0a6b71c14e1d4fbff347769e00944840d22365a2b40fd33f7de47ead","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.str-el","submitted_at":"2008-01-24T20:58:12Z","title_canon_sha256":"74e63add3cba205ee45da51c722e0887f3fc9cfe1f724274b7741acd2a2977ca"},"schema_version":"1.0","source":{"id":"0801.3737","kind":"arxiv","version":1}},"canonical_sha256":"a92981a01288402bdcba39f3c58f05d2102fc670b85390732392d02f1d1eaed4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a92981a01288402bdcba39f3c58f05d2102fc670b85390732392d02f1d1eaed4","first_computed_at":"2026-05-18T01:09:24.543966Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:24.543966Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bTlCtfRjeYeZXtCnlDdTD4byU/Nle2h90mqRtMWZk8WR22wM52mmQv/YpzH67irwmMTxWIbIC+LpidSChecLDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:24.544347Z","signed_message":"canonical_sha256_bytes"},"source_id":"0801.3737","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fa58c8c1b9d3197fc3f65fa9888d57aab63b0edb6f86d40905cf375e9da3a7b7","sha256:2a447f3bd8d23e7f61997bb56291e22665646c623971bcad344e91ff9dbd1d1c"],"state_sha256":"478b8a9a1a6f16911c48f693e2f25d14f16ff8fa6a0ebe13330b8b44b4267d0e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kqRujcmwmUOngu84l45ARYLiCqPKJf2GZPe/qsZ4Jd83lyqPYhg07dmjIPhmuMFlaSmRkC4JuzPW3/3zOx0RDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T17:28:40.795386Z","bundle_sha256":"437a8c58e00d2ac3dafc065b24203349b790b8a478bb6b6731feed4080d7b443"}}