{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:ONUENW7DI6GRIV5TTD5NAUFEER","short_pith_number":"pith:ONUENW7D","canonical_record":{"source":{"id":"cond-mat/0202325","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2002-02-19T21:07:02Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"91ec6e9ef0b64c13acac147f33378fa041336def25aae15da2372b690aa6d491","abstract_canon_sha256":"5aa0a6c6632fc5de384cc9f813e3bb72b456e4ec3f0569a147db6596921583c6"},"schema_version":"1.0"},"canonical_sha256":"736846dbe3478d1457b398fad050a4245e34473bd136c5b033868294f62c4e3b","source":{"kind":"arxiv","id":"cond-mat/0202325","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0202325","created_at":"2026-07-04T16:31:43Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0202325v1","created_at":"2026-07-04T16:31:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0202325","created_at":"2026-07-04T16:31:43Z"},{"alias_kind":"pith_short_12","alias_value":"ONUENW7DI6GR","created_at":"2026-07-04T16:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"ONUENW7DI6GRIV5T","created_at":"2026-07-04T16:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"ONUENW7D","created_at":"2026-07-04T16:31:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:ONUENW7DI6GRIV5TTD5NAUFEER","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0202325","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2002-02-19T21:07:02Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"91ec6e9ef0b64c13acac147f33378fa041336def25aae15da2372b690aa6d491","abstract_canon_sha256":"5aa0a6c6632fc5de384cc9f813e3bb72b456e4ec3f0569a147db6596921583c6"},"schema_version":"1.0"},"canonical_sha256":"736846dbe3478d1457b398fad050a4245e34473bd136c5b033868294f62c4e3b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:31:43.055577Z","signature_b64":"6H+Xr1aW4S0IlrvqAXiDq3vgSvfQOUTIdJfWh9LFgC9QzBP1zRMa2M4ObYga1mAlApTA16UCrj7Id6e+u6ZBBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"736846dbe3478d1457b398fad050a4245e34473bd136c5b033868294f62c4e3b","last_reissued_at":"2026-07-04T16:31:43.055200Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:31:43.055200Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0202325","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":"2026-07-04T16:31:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+g+dR3aCEaBPOfrS5mDieM+o/qyuuObnrJhn4aOT91RWwJfubNPBWm8R1/GKniw7R4x1oZ9Xrwz1rEkBtTw1BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:54:31.057136Z"},"content_sha256":"8372974df281690daf8bbd200714a096f4c48634626fbcdd73ee4295eb9e6073","schema_version":"1.0","event_id":"sha256:8372974df281690daf8bbd200714a096f4c48634626fbcdd73ee4295eb9e6073"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:ONUENW7DI6GRIV5TTD5NAUFEER","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phonons in a Nanoparticle Mechanically Coupled to a Substrate","license":"","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Kelly R. Patton, Michael R. Geller","submitted_at":"2002-02-19T21:07:02Z","abstract_excerpt":"The discrete nature of the vibrational modes of an isolated nanometer-scale solid dramatically modifies its low-energy electron and phonon dynamics from that of a bulk crystal. However, nanocrystals are usually coupled--even if only weakly--to an environment consisting of other nanocrystals, a support matrix, or a solid substrate, and this environmental interaction will modify the vibrational properties at low frequencies. In this paper we investigate the modification of the vibrational modes of an insulating spherical nanoparticle caused by a weak {\\it mechanical} coupling to a semi-infinite "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0202325","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/cond-mat/0202325/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":"2026-07-04T16:31:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uZwFx+d5MafLTtXUZFw2PwroDniivf0EuETawBZzI2nvIbKPa1hv8iuG1NdS5JxGKXLipIRBQRR1GouWBVSaDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:54:31.057834Z"},"content_sha256":"568eba98e54b9f994a973c8d462023b70ea340f32f548604f64ec2a27d20473e","schema_version":"1.0","event_id":"sha256:568eba98e54b9f994a973c8d462023b70ea340f32f548604f64ec2a27d20473e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ONUENW7DI6GRIV5TTD5NAUFEER/bundle.json","state_url":"https://pith.science/pith/ONUENW7DI6GRIV5TTD5NAUFEER/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ONUENW7DI6GRIV5TTD5NAUFEER/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":"2026-08-06T01:54:31Z","links":{"resolver":"https://pith.science/pith/ONUENW7DI6GRIV5TTD5NAUFEER","bundle":"https://pith.science/pith/ONUENW7DI6GRIV5TTD5NAUFEER/bundle.json","state":"https://pith.science/pith/ONUENW7DI6GRIV5TTD5NAUFEER/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ONUENW7DI6GRIV5TTD5NAUFEER/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:ONUENW7DI6GRIV5TTD5NAUFEER","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":"5aa0a6c6632fc5de384cc9f813e3bb72b456e4ec3f0569a147db6596921583c6","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2002-02-19T21:07:02Z","title_canon_sha256":"91ec6e9ef0b64c13acac147f33378fa041336def25aae15da2372b690aa6d491"},"schema_version":"1.0","source":{"id":"cond-mat/0202325","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0202325","created_at":"2026-07-04T16:31:43Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0202325v1","created_at":"2026-07-04T16:31:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0202325","created_at":"2026-07-04T16:31:43Z"},{"alias_kind":"pith_short_12","alias_value":"ONUENW7DI6GR","created_at":"2026-07-04T16:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"ONUENW7DI6GRIV5T","created_at":"2026-07-04T16:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"ONUENW7D","created_at":"2026-07-04T16:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:568eba98e54b9f994a973c8d462023b70ea340f32f548604f64ec2a27d20473e","target":"graph","created_at":"2026-07-04T16:31:43Z","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/cond-mat/0202325/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The discrete nature of the vibrational modes of an isolated nanometer-scale solid dramatically modifies its low-energy electron and phonon dynamics from that of a bulk crystal. However, nanocrystals are usually coupled--even if only weakly--to an environment consisting of other nanocrystals, a support matrix, or a solid substrate, and this environmental interaction will modify the vibrational properties at low frequencies. In this paper we investigate the modification of the vibrational modes of an insulating spherical nanoparticle caused by a weak {\\it mechanical} coupling to a semi-infinite ","authors_text":"Kelly R. Patton, Michael R. Geller","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2002-02-19T21:07:02Z","title":"Phonons in a Nanoparticle Mechanically Coupled to a Substrate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0202325","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":"sha256:8372974df281690daf8bbd200714a096f4c48634626fbcdd73ee4295eb9e6073","target":"record","created_at":"2026-07-04T16:31:43Z","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":"5aa0a6c6632fc5de384cc9f813e3bb72b456e4ec3f0569a147db6596921583c6","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"","primary_cat":"cond-mat.mes-hall","submitted_at":"2002-02-19T21:07:02Z","title_canon_sha256":"91ec6e9ef0b64c13acac147f33378fa041336def25aae15da2372b690aa6d491"},"schema_version":"1.0","source":{"id":"cond-mat/0202325","kind":"arxiv","version":1}},"canonical_sha256":"736846dbe3478d1457b398fad050a4245e34473bd136c5b033868294f62c4e3b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"736846dbe3478d1457b398fad050a4245e34473bd136c5b033868294f62c4e3b","first_computed_at":"2026-07-04T16:31:43.055200Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:31:43.055200Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6H+Xr1aW4S0IlrvqAXiDq3vgSvfQOUTIdJfWh9LFgC9QzBP1zRMa2M4ObYga1mAlApTA16UCrj7Id6e+u6ZBBA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:31:43.055577Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0202325","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8372974df281690daf8bbd200714a096f4c48634626fbcdd73ee4295eb9e6073","sha256:568eba98e54b9f994a973c8d462023b70ea340f32f548604f64ec2a27d20473e"],"state_sha256":"f79cc054722c8fff3d0393ba707ccf19b5669312850760492bf904c9d4497a28"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QHRDxMZbDbki2nlioksN8n82Gvvwl/cOipHh1dGO634JfICX+HXJPIDgvxtZgClLOI7FkY9nccIZixRHpCJrDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T01:54:31.062180Z","bundle_sha256":"125b4c2041882e056eff156ed43c5186ec17acf36e8081999519b0650e99080f"}}