{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:FU6ZR52FXZCYQYJ5RKR4UG4DZC","short_pith_number":"pith:FU6ZR52F","canonical_record":{"source":{"id":"0912.2945","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-12-15T16:43:44Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"4a635ec5636be2cd9acfe450d256caba7297f1a9b4197b2e3fc9371ee6a95a3e","abstract_canon_sha256":"4410c57473e1fcf0ac8f2314d1c856f8d700c80a766fd4d062ad89553587be71"},"schema_version":"1.0"},"canonical_sha256":"2d3d98f745be4588613d8aa3ca1b83c8ae6ca8d707409edd907515522a01775b","source":{"kind":"arxiv","id":"0912.2945","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.2945","created_at":"2026-05-18T04:04:04Z"},{"alias_kind":"arxiv_version","alias_value":"0912.2945v1","created_at":"2026-05-18T04:04:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.2945","created_at":"2026-05-18T04:04:04Z"},{"alias_kind":"pith_short_12","alias_value":"FU6ZR52FXZCY","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"FU6ZR52FXZCYQYJ5","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"FU6ZR52F","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:FU6ZR52FXZCYQYJ5RKR4UG4DZC","target":"record","payload":{"canonical_record":{"source":{"id":"0912.2945","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-12-15T16:43:44Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"4a635ec5636be2cd9acfe450d256caba7297f1a9b4197b2e3fc9371ee6a95a3e","abstract_canon_sha256":"4410c57473e1fcf0ac8f2314d1c856f8d700c80a766fd4d062ad89553587be71"},"schema_version":"1.0"},"canonical_sha256":"2d3d98f745be4588613d8aa3ca1b83c8ae6ca8d707409edd907515522a01775b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:04:04.769707Z","signature_b64":"+cNQsdOZ/0EMY6wBujwNLo8wrdY25FW6eafmedHfIyzsh5ejXN1QFbRfnuRwdYT3/a4Qk1NzKnBcLXSPbZUBCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2d3d98f745be4588613d8aa3ca1b83c8ae6ca8d707409edd907515522a01775b","last_reissued_at":"2026-05-18T04:04:04.769265Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:04:04.769265Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0912.2945","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":"2026-05-18T04:04:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LS03SYK7XEBtIeEdbdL6BDmLt5xnCeqLKSKOXVstiHNHWbN4M2saRJarmgIn2UzAGXiHusb5n2wsRGaLJRNsBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:33:24.171556Z"},"content_sha256":"984a98ef5ef3ba7435d4c3df55abb00ce0a584c857662373d336aba09a54d572","schema_version":"1.0","event_id":"sha256:984a98ef5ef3ba7435d4c3df55abb00ce0a584c857662373d336aba09a54d572"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:FU6ZR52FXZCYQYJ5RKR4UG4DZC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermal effects on electron-phonon interaction in silicon nanostructures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mes-hall","authors_text":"A.K. Shukla, Rajesh Kumar, Vivek Kumar","submitted_at":"2009-12-15T16:43:44Z","abstract_excerpt":"Raman spectra from silicon nanostructures, recorded using excitation laser power density of 1.0 kW/cm^2, is employed here to reveal the dominance of thermal effects at temperatures higher than the room temperature. Room temperature Raman spectrum shows only phonon confinement and Fano effects. Raman spectra recorded at higher temperatures show increase in FWHM and decrease in asymmetry ratio with respect to its room temperature counterpart. Experimental Raman scattering data are analyzed successfully using theoretical Raman line-shape generated by incorporating the temperature dependence of ph"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.2945","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":"2026-05-18T04:04:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vjkvb/tT+CaeF856Oq3WChjcPNhYWDrkzUDf+GgkhgcC68dRLzLsNIDFwohovkbNV3Uluu5mH7Bm5DknLw+OCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T06:33:24.171912Z"},"content_sha256":"0d4f5b04e1c5901dc055227ab3321f136170683713ea01575aa643d1cd7dda94","schema_version":"1.0","event_id":"sha256:0d4f5b04e1c5901dc055227ab3321f136170683713ea01575aa643d1cd7dda94"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FU6ZR52FXZCYQYJ5RKR4UG4DZC/bundle.json","state_url":"https://pith.science/pith/FU6ZR52FXZCYQYJ5RKR4UG4DZC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FU6ZR52FXZCYQYJ5RKR4UG4DZC/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":"2026-06-05T06:33:24Z","links":{"resolver":"https://pith.science/pith/FU6ZR52FXZCYQYJ5RKR4UG4DZC","bundle":"https://pith.science/pith/FU6ZR52FXZCYQYJ5RKR4UG4DZC/bundle.json","state":"https://pith.science/pith/FU6ZR52FXZCYQYJ5RKR4UG4DZC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FU6ZR52FXZCYQYJ5RKR4UG4DZC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:FU6ZR52FXZCYQYJ5RKR4UG4DZC","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":"4410c57473e1fcf0ac8f2314d1c856f8d700c80a766fd4d062ad89553587be71","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-12-15T16:43:44Z","title_canon_sha256":"4a635ec5636be2cd9acfe450d256caba7297f1a9b4197b2e3fc9371ee6a95a3e"},"schema_version":"1.0","source":{"id":"0912.2945","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.2945","created_at":"2026-05-18T04:04:04Z"},{"alias_kind":"arxiv_version","alias_value":"0912.2945v1","created_at":"2026-05-18T04:04:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.2945","created_at":"2026-05-18T04:04:04Z"},{"alias_kind":"pith_short_12","alias_value":"FU6ZR52FXZCY","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"FU6ZR52FXZCYQYJ5","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"FU6ZR52F","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:0d4f5b04e1c5901dc055227ab3321f136170683713ea01575aa643d1cd7dda94","target":"graph","created_at":"2026-05-18T04:04:04Z","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":"Raman spectra from silicon nanostructures, recorded using excitation laser power density of 1.0 kW/cm^2, is employed here to reveal the dominance of thermal effects at temperatures higher than the room temperature. Room temperature Raman spectrum shows only phonon confinement and Fano effects. Raman spectra recorded at higher temperatures show increase in FWHM and decrease in asymmetry ratio with respect to its room temperature counterpart. Experimental Raman scattering data are analyzed successfully using theoretical Raman line-shape generated by incorporating the temperature dependence of ph","authors_text":"A.K. Shukla, Rajesh Kumar, Vivek Kumar","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-12-15T16:43:44Z","title":"Thermal effects on electron-phonon interaction in silicon nanostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.2945","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":"sha256:984a98ef5ef3ba7435d4c3df55abb00ce0a584c857662373d336aba09a54d572","target":"record","created_at":"2026-05-18T04:04:04Z","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":"4410c57473e1fcf0ac8f2314d1c856f8d700c80a766fd4d062ad89553587be71","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-12-15T16:43:44Z","title_canon_sha256":"4a635ec5636be2cd9acfe450d256caba7297f1a9b4197b2e3fc9371ee6a95a3e"},"schema_version":"1.0","source":{"id":"0912.2945","kind":"arxiv","version":1}},"canonical_sha256":"2d3d98f745be4588613d8aa3ca1b83c8ae6ca8d707409edd907515522a01775b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2d3d98f745be4588613d8aa3ca1b83c8ae6ca8d707409edd907515522a01775b","first_computed_at":"2026-05-18T04:04:04.769265Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:04:04.769265Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+cNQsdOZ/0EMY6wBujwNLo8wrdY25FW6eafmedHfIyzsh5ejXN1QFbRfnuRwdYT3/a4Qk1NzKnBcLXSPbZUBCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:04:04.769707Z","signed_message":"canonical_sha256_bytes"},"source_id":"0912.2945","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:984a98ef5ef3ba7435d4c3df55abb00ce0a584c857662373d336aba09a54d572","sha256:0d4f5b04e1c5901dc055227ab3321f136170683713ea01575aa643d1cd7dda94"],"state_sha256":"1adc036671f7803015c1e55966a36aab6e0c3dde23188019ff93ee07664772a8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IVnvKinDOu9Nm2kohv3djT5ZGEZ0J/Jh5SeuOqxghiLQCPWbaZh9eYajXqpJd6V+UAQ7AsFCjWXEYnVN+LKABQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T06:33:24.173911Z","bundle_sha256":"cc55c80b3bc19dee8521f5a9c22eab368314a9e50bb90697e005cc566e8179ab"}}