{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:YG47YDUL5RATKXI5U5UJ6G2JSC","short_pith_number":"pith:YG47YDUL","canonical_record":{"source":{"id":"0911.3858","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-11-19T18:06:18Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"f5768c629d5232bcea5863d350b7d6974fd36ba0bb46ede03aed33e75cd0bf63","abstract_canon_sha256":"00aa76df832037d29850a2e07bdb98b7b49ed169ece7eb0402906203c944b521"},"schema_version":"1.0"},"canonical_sha256":"c1b9fc0e8bec41355d1da7689f1b49908f331d00fb36a71a9234fe48a455f22f","source":{"kind":"arxiv","id":"0911.3858","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.3858","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"arxiv_version","alias_value":"0911.3858v1","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.3858","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"pith_short_12","alias_value":"YG47YDUL5RAT","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"YG47YDUL5RATKXI5","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"YG47YDUL","created_at":"2026-07-04T17:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:YG47YDUL5RATKXI5U5UJ6G2JSC","target":"record","payload":{"canonical_record":{"source":{"id":"0911.3858","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-11-19T18:06:18Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"f5768c629d5232bcea5863d350b7d6974fd36ba0bb46ede03aed33e75cd0bf63","abstract_canon_sha256":"00aa76df832037d29850a2e07bdb98b7b49ed169ece7eb0402906203c944b521"},"schema_version":"1.0"},"canonical_sha256":"c1b9fc0e8bec41355d1da7689f1b49908f331d00fb36a71a9234fe48a455f22f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:30:12.628962Z","signature_b64":"jMo64m51ZU/xPJaOJktQreKwf3stH7sLGuDr3vKN6bbNiwurarsa/eGQFf5SQV6LDltUrwEi5RIrBiLNUCkwAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c1b9fc0e8bec41355d1da7689f1b49908f331d00fb36a71a9234fe48a455f22f","last_reissued_at":"2026-07-04T17:30:12.628560Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:30:12.628560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0911.3858","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":"2026-07-04T17:30:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pVLkQotAoXerECHbas92aMHCFRczn3cHZde074nlhcgzvRjfBL2XtaxIsRRQKvOSET+Frd72U/tlg2Qb+0oADg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:23:50.738367Z"},"content_sha256":"a464f028c5d73f24f3389f25ab2818a328e515d1ced4c8e13c93f5a961c21910","schema_version":"1.0","event_id":"sha256:a464f028c5d73f24f3389f25ab2818a328e515d1ced4c8e13c93f5a961c21910"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:YG47YDUL5RATKXI5U5UJ6G2JSC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Origin of Low-Energy Excitations in Charge-Ordered Manganites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.str-el","authors_text":"A.S. Prokhorov, B. Gorshunov, D. Wu, E.G. Maksimov, E. Zhukova, M. Dressel, T. Zhang., V.I. Torgashev","submitted_at":"2009-11-19T18:06:18Z","abstract_excerpt":"The low-energy excitations in the charge-ordered phase of polycrystalline La0.25Ca0.75MnO3 are explored by frequency-domain terahertz spectroscopy. In the frequency range from 4 cm^-1 to 700 cm^-1 (energies 0.4 meV to 90 meV) and at temperatures down to 5 K, we do not detect any feature that can be associated with the collective response of the spatially modulated charge continuum. In the antiferromagnetically ordered phase, broad absorption bands appear in the conductivity and permittivity spectra around 30 cm^-1 and 100 cm^-1 which are assigned to former acoustic phonons optically activated "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.3858","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0911.3858/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T17:30:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7GYJe1rT9ttFl9A53/rIOuMsUYOs8Zr0CUVoTwoBzanCjJG11ojgOhmQqEvIHslF/B7jRAvmbn3oGbCTELTPAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:23:50.738752Z"},"content_sha256":"0e7a390ba336cbfc4bf2d8f6ec09bacb9ddf7e1ee4960dfc270d22a49cc188b3","schema_version":"1.0","event_id":"sha256:0e7a390ba336cbfc4bf2d8f6ec09bacb9ddf7e1ee4960dfc270d22a49cc188b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YG47YDUL5RATKXI5U5UJ6G2JSC/bundle.json","state_url":"https://pith.science/pith/YG47YDUL5RATKXI5U5UJ6G2JSC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YG47YDUL5RATKXI5U5UJ6G2JSC/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":"2026-07-07T09:23:50Z","links":{"resolver":"https://pith.science/pith/YG47YDUL5RATKXI5U5UJ6G2JSC","bundle":"https://pith.science/pith/YG47YDUL5RATKXI5U5UJ6G2JSC/bundle.json","state":"https://pith.science/pith/YG47YDUL5RATKXI5U5UJ6G2JSC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YG47YDUL5RATKXI5U5UJ6G2JSC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:YG47YDUL5RATKXI5U5UJ6G2JSC","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":"00aa76df832037d29850a2e07bdb98b7b49ed169ece7eb0402906203c944b521","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-11-19T18:06:18Z","title_canon_sha256":"f5768c629d5232bcea5863d350b7d6974fd36ba0bb46ede03aed33e75cd0bf63"},"schema_version":"1.0","source":{"id":"0911.3858","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.3858","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"arxiv_version","alias_value":"0911.3858v1","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.3858","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"pith_short_12","alias_value":"YG47YDUL5RAT","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"YG47YDUL5RATKXI5","created_at":"2026-07-04T17:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"YG47YDUL","created_at":"2026-07-04T17:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:0e7a390ba336cbfc4bf2d8f6ec09bacb9ddf7e1ee4960dfc270d22a49cc188b3","target":"graph","created_at":"2026-07-04T17:30:12Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0911.3858/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The low-energy excitations in the charge-ordered phase of polycrystalline La0.25Ca0.75MnO3 are explored by frequency-domain terahertz spectroscopy. In the frequency range from 4 cm^-1 to 700 cm^-1 (energies 0.4 meV to 90 meV) and at temperatures down to 5 K, we do not detect any feature that can be associated with the collective response of the spatially modulated charge continuum. In the antiferromagnetically ordered phase, broad absorption bands appear in the conductivity and permittivity spectra around 30 cm^-1 and 100 cm^-1 which are assigned to former acoustic phonons optically activated ","authors_text":"A.S. Prokhorov, B. Gorshunov, D. Wu, E.G. Maksimov, E. Zhukova, M. Dressel, T. Zhang., V.I. Torgashev","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-11-19T18:06:18Z","title":"Origin of Low-Energy Excitations in Charge-Ordered Manganites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.3858","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:a464f028c5d73f24f3389f25ab2818a328e515d1ced4c8e13c93f5a961c21910","target":"record","created_at":"2026-07-04T17:30:12Z","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":"00aa76df832037d29850a2e07bdb98b7b49ed169ece7eb0402906203c944b521","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2009-11-19T18:06:18Z","title_canon_sha256":"f5768c629d5232bcea5863d350b7d6974fd36ba0bb46ede03aed33e75cd0bf63"},"schema_version":"1.0","source":{"id":"0911.3858","kind":"arxiv","version":1}},"canonical_sha256":"c1b9fc0e8bec41355d1da7689f1b49908f331d00fb36a71a9234fe48a455f22f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c1b9fc0e8bec41355d1da7689f1b49908f331d00fb36a71a9234fe48a455f22f","first_computed_at":"2026-07-04T17:30:12.628560Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:30:12.628560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jMo64m51ZU/xPJaOJktQreKwf3stH7sLGuDr3vKN6bbNiwurarsa/eGQFf5SQV6LDltUrwEi5RIrBiLNUCkwAA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:30:12.628962Z","signed_message":"canonical_sha256_bytes"},"source_id":"0911.3858","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a464f028c5d73f24f3389f25ab2818a328e515d1ced4c8e13c93f5a961c21910","sha256:0e7a390ba336cbfc4bf2d8f6ec09bacb9ddf7e1ee4960dfc270d22a49cc188b3"],"state_sha256":"6b67cfd325350b67b6d73bcd565eab25ffa3fd8fa1e76612bf1f10d170a1144c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gx1cAhiEyxZSIO+dq1aQXTwJj6zvz6+eH0cPW7KJYeNZU9AtPPAai9PiTK8O7eQvMADD4WZ5l3o1ccsqFZc7Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T09:23:50.740706Z","bundle_sha256":"7c6c8b09370cd15151e9506144c6a0edc3faffec580f82d381b69affd0715389"}}