{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:KDHWQUDSELZSXJBWMLB5VHOEA4","short_pith_number":"pith:KDHWQUDS","canonical_record":{"source":{"id":"1003.0621","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-03-02T15:57:24Z","cross_cats_sorted":[],"title_canon_sha256":"dcf68fe558861d9314739810ca75cdae1b8abb6d2be7199334be10a61496b59c","abstract_canon_sha256":"140f17144f392441a2e91d35bc9e616d9dcac4d5db9925d8e1e2bba7aa7d749b"},"schema_version":"1.0"},"canonical_sha256":"50cf68507222f32ba43662c3da9dc40711704eb21d5dcbf7c2fbf7a096d80431","source":{"kind":"arxiv","id":"1003.0621","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.0621","created_at":"2026-05-18T01:36:44Z"},{"alias_kind":"arxiv_version","alias_value":"1003.0621v1","created_at":"2026-05-18T01:36:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.0621","created_at":"2026-05-18T01:36:44Z"},{"alias_kind":"pith_short_12","alias_value":"KDHWQUDSELZS","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KDHWQUDSELZSXJBW","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KDHWQUDS","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:KDHWQUDSELZSXJBWMLB5VHOEA4","target":"record","payload":{"canonical_record":{"source":{"id":"1003.0621","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-03-02T15:57:24Z","cross_cats_sorted":[],"title_canon_sha256":"dcf68fe558861d9314739810ca75cdae1b8abb6d2be7199334be10a61496b59c","abstract_canon_sha256":"140f17144f392441a2e91d35bc9e616d9dcac4d5db9925d8e1e2bba7aa7d749b"},"schema_version":"1.0"},"canonical_sha256":"50cf68507222f32ba43662c3da9dc40711704eb21d5dcbf7c2fbf7a096d80431","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:36:44.207413Z","signature_b64":"8a/RQ3iwAkyYONaqHHgH4nUaiwgN0NnKB+0ci+oR56qSS8Q/tO980+vZPOnwjLR2t4u6jWChZuPghLzn8HY4Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"50cf68507222f32ba43662c3da9dc40711704eb21d5dcbf7c2fbf7a096d80431","last_reissued_at":"2026-05-18T01:36:44.206807Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:36:44.206807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1003.0621","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":"2026-05-18T01:36:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3xOhObrBQFQlzub9qQRsJEcHdmsPa03vikzR6QAy0MmwFOCEae7wDs920iO6Z97X4MbZP2EqCU5f1RKMH961BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T07:49:59.154369Z"},"content_sha256":"2d13fe5acf13ecc7cdbcf5bfc960cb9cf0900c6f852917812e5307d84215ccc8","schema_version":"1.0","event_id":"sha256:2d13fe5acf13ecc7cdbcf5bfc960cb9cf0900c6f852917812e5307d84215ccc8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:KDHWQUDSELZSXJBWMLB5VHOEA4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Synthesis and thermoelectric characterization of Bi2Te3 nanoparticles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andreas Kornowski, Christian Klinke, Horst Weller, Katrin Meier, Marcus Scheele, Niels Oeschler","submitted_at":"2010-03-02T15:57:24Z","abstract_excerpt":"We report a novel synthesis for near monodisperse, sub-10-nm Bi2Te3 nanoparticles. At first, a new reduction route to bismuth nanoparticles is described which are applied as starting materials in the formation of rhombohedral Bi2Te3 nanoparticles. After ligand removal by a novel hydrazine hydrate etching procedure, the nanoparticle powder is spark plasma sintered to a pellet with preserved crystal grain sizes. Unlike previous works on the properties of Bi2Te3 nanoparticles, the full thermoelectric characterization of such sintered pellets shows a highly reduced thermal conductivity and the sam"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.0621","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":"2026-05-18T01:36:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"54wpQOEMVsQhbD1zJ5+53KEGlgjYGQEQ93brVO+PcwTCFrGf72jPPCRct0J80rKW7yQRfRgDKa4GZyMXvtQVAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T07:49:59.154747Z"},"content_sha256":"f2bcd843930a436a251a7ed8f3a21b1d91d929e646e8fa1b10ad7926d37fa7c7","schema_version":"1.0","event_id":"sha256:f2bcd843930a436a251a7ed8f3a21b1d91d929e646e8fa1b10ad7926d37fa7c7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KDHWQUDSELZSXJBWMLB5VHOEA4/bundle.json","state_url":"https://pith.science/pith/KDHWQUDSELZSXJBWMLB5VHOEA4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KDHWQUDSELZSXJBWMLB5VHOEA4/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":"2026-06-22T07:49:59Z","links":{"resolver":"https://pith.science/pith/KDHWQUDSELZSXJBWMLB5VHOEA4","bundle":"https://pith.science/pith/KDHWQUDSELZSXJBWMLB5VHOEA4/bundle.json","state":"https://pith.science/pith/KDHWQUDSELZSXJBWMLB5VHOEA4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KDHWQUDSELZSXJBWMLB5VHOEA4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:KDHWQUDSELZSXJBWMLB5VHOEA4","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":"140f17144f392441a2e91d35bc9e616d9dcac4d5db9925d8e1e2bba7aa7d749b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-03-02T15:57:24Z","title_canon_sha256":"dcf68fe558861d9314739810ca75cdae1b8abb6d2be7199334be10a61496b59c"},"schema_version":"1.0","source":{"id":"1003.0621","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1003.0621","created_at":"2026-05-18T01:36:44Z"},{"alias_kind":"arxiv_version","alias_value":"1003.0621v1","created_at":"2026-05-18T01:36:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1003.0621","created_at":"2026-05-18T01:36:44Z"},{"alias_kind":"pith_short_12","alias_value":"KDHWQUDSELZS","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KDHWQUDSELZSXJBW","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KDHWQUDS","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:f2bcd843930a436a251a7ed8f3a21b1d91d929e646e8fa1b10ad7926d37fa7c7","target":"graph","created_at":"2026-05-18T01:36:44Z","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 report a novel synthesis for near monodisperse, sub-10-nm Bi2Te3 nanoparticles. At first, a new reduction route to bismuth nanoparticles is described which are applied as starting materials in the formation of rhombohedral Bi2Te3 nanoparticles. After ligand removal by a novel hydrazine hydrate etching procedure, the nanoparticle powder is spark plasma sintered to a pellet with preserved crystal grain sizes. Unlike previous works on the properties of Bi2Te3 nanoparticles, the full thermoelectric characterization of such sintered pellets shows a highly reduced thermal conductivity and the sam","authors_text":"Andreas Kornowski, Christian Klinke, Horst Weller, Katrin Meier, Marcus Scheele, Niels Oeschler","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-03-02T15:57:24Z","title":"Synthesis and thermoelectric characterization of Bi2Te3 nanoparticles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1003.0621","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":"sha256:2d13fe5acf13ecc7cdbcf5bfc960cb9cf0900c6f852917812e5307d84215ccc8","target":"record","created_at":"2026-05-18T01:36:44Z","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":"140f17144f392441a2e91d35bc9e616d9dcac4d5db9925d8e1e2bba7aa7d749b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-03-02T15:57:24Z","title_canon_sha256":"dcf68fe558861d9314739810ca75cdae1b8abb6d2be7199334be10a61496b59c"},"schema_version":"1.0","source":{"id":"1003.0621","kind":"arxiv","version":1}},"canonical_sha256":"50cf68507222f32ba43662c3da9dc40711704eb21d5dcbf7c2fbf7a096d80431","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"50cf68507222f32ba43662c3da9dc40711704eb21d5dcbf7c2fbf7a096d80431","first_computed_at":"2026-05-18T01:36:44.206807Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:36:44.206807Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8a/RQ3iwAkyYONaqHHgH4nUaiwgN0NnKB+0ci+oR56qSS8Q/tO980+vZPOnwjLR2t4u6jWChZuPghLzn8HY4Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:36:44.207413Z","signed_message":"canonical_sha256_bytes"},"source_id":"1003.0621","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2d13fe5acf13ecc7cdbcf5bfc960cb9cf0900c6f852917812e5307d84215ccc8","sha256:f2bcd843930a436a251a7ed8f3a21b1d91d929e646e8fa1b10ad7926d37fa7c7"],"state_sha256":"b0a61d21ffc70dcf5ec35a4e329aa3deaaa4508bbddbe7cb2a97df3a746c5da4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IPV8s1VIMCaUFpxC5OG4rqngQ6zbAUe/hfe0Hn78FNgo+l3wY7QSWE6IHdTs8IiCm7FEDiqd47PyCAzDq35BDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T07:49:59.156767Z","bundle_sha256":"3f899459f14c45d8cfd80a14123ea0925bbfaa32884fa216549be544dac8f2c5"}}