{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:AURTA4ZK4ZBENQG6KIVBSCJTLZ","short_pith_number":"pith:AURTA4ZK","schema_version":"1.0","canonical_sha256":"052330732ae64246c0de522a1909335e407917f48e13b202ace38ced2dfb07b6","source":{"kind":"arxiv","id":"1908.05933","version":1},"attestation_state":"computed","paper":{"title":"Vibrational signatures of diamondoid dimers with large intramolecular London dispersion interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andrey A. Fokin, Christoph Tyborski, Janina Maultzsch, Nataylia A. Fokina, Peter R. Schreiner, Roland Gillen, Tobias Hueckstaedt, Tommy Ott","submitted_at":"2019-08-16T11:24:23Z","abstract_excerpt":"We analyze the vibrational properties of diamondoid compounds via Raman spectroscopy. The compounds are interconnected with carbon-carbon single bonds that exhibit exceptionally large bond lengths up to 1.71 A. Attractive dispersion interactions caused by well-aligned intramolecular H--H contact surfaces determine the overall structures of the diamondoid derivatives. The strong van-der-Waals interactions alter the vibrational properties of the compounds in comparison to pristine diamondoids. Supported by dispersion-corrected density functional theory (DFT) computations, we analyze and explain "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1908.05933","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-08-16T11:24:23Z","cross_cats_sorted":[],"title_canon_sha256":"e23cef8b6f4d02823aafa4a4a2465c7c5584576648d66f1231574b61134af99b","abstract_canon_sha256":"b6bc262d8b17dcf59b2abe75fb516633fa8e2d07902462cc338ba09dd0e3bf69"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:57:54.554210Z","signature_b64":"3T624yCAAls0w7MXt9R0tj3KtuBBqjT0mvdZ5UG5FmC16LyKuQSMZJNPxQ8lkyzzYetIE2Qs4BxlBC22w/HZBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"052330732ae64246c0de522a1909335e407917f48e13b202ace38ced2dfb07b6","last_reissued_at":"2026-07-04T23:57:54.553824Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:57:54.553824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Vibrational signatures of diamondoid dimers with large intramolecular London dispersion interactions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Andrey A. Fokin, Christoph Tyborski, Janina Maultzsch, Nataylia A. Fokina, Peter R. Schreiner, Roland Gillen, Tobias Hueckstaedt, Tommy Ott","submitted_at":"2019-08-16T11:24:23Z","abstract_excerpt":"We analyze the vibrational properties of diamondoid compounds via Raman spectroscopy. The compounds are interconnected with carbon-carbon single bonds that exhibit exceptionally large bond lengths up to 1.71 A. Attractive dispersion interactions caused by well-aligned intramolecular H--H contact surfaces determine the overall structures of the diamondoid derivatives. The strong van-der-Waals interactions alter the vibrational properties of the compounds in comparison to pristine diamondoids. Supported by dispersion-corrected density functional theory (DFT) computations, we analyze and explain "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.05933","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/1908.05933/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1908.05933","created_at":"2026-07-04T23:57:54.553880+00:00"},{"alias_kind":"arxiv_version","alias_value":"1908.05933v1","created_at":"2026-07-04T23:57:54.553880+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.05933","created_at":"2026-07-04T23:57:54.553880+00:00"},{"alias_kind":"pith_short_12","alias_value":"AURTA4ZK4ZBE","created_at":"2026-07-04T23:57:54.553880+00:00"},{"alias_kind":"pith_short_16","alias_value":"AURTA4ZK4ZBENQG6","created_at":"2026-07-04T23:57:54.553880+00:00"},{"alias_kind":"pith_short_8","alias_value":"AURTA4ZK","created_at":"2026-07-04T23:57:54.553880+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/AURTA4ZK4ZBENQG6KIVBSCJTLZ","json":"https://pith.science/pith/AURTA4ZK4ZBENQG6KIVBSCJTLZ.json","graph_json":"https://pith.science/api/pith-number/AURTA4ZK4ZBENQG6KIVBSCJTLZ/graph.json","events_json":"https://pith.science/api/pith-number/AURTA4ZK4ZBENQG6KIVBSCJTLZ/events.json","paper":"https://pith.science/paper/AURTA4ZK"},"agent_actions":{"view_html":"https://pith.science/pith/AURTA4ZK4ZBENQG6KIVBSCJTLZ","download_json":"https://pith.science/pith/AURTA4ZK4ZBENQG6KIVBSCJTLZ.json","view_paper":"https://pith.science/paper/AURTA4ZK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1908.05933&json=true","fetch_graph":"https://pith.science/api/pith-number/AURTA4ZK4ZBENQG6KIVBSCJTLZ/graph.json","fetch_events":"https://pith.science/api/pith-number/AURTA4ZK4ZBENQG6KIVBSCJTLZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/AURTA4ZK4ZBENQG6KIVBSCJTLZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/AURTA4ZK4ZBENQG6KIVBSCJTLZ/action/storage_attestation","attest_author":"https://pith.science/pith/AURTA4ZK4ZBENQG6KIVBSCJTLZ/action/author_attestation","sign_citation":"https://pith.science/pith/AURTA4ZK4ZBENQG6KIVBSCJTLZ/action/citation_signature","submit_replication":"https://pith.science/pith/AURTA4ZK4ZBENQG6KIVBSCJTLZ/action/replication_record"}},"created_at":"2026-07-04T23:57:54.553880+00:00","updated_at":"2026-07-04T23:57:54.553880+00:00"}